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paulbsd:1.1.5
paulbsd:1.1.4
paulbsd:1.1.3
paulbsd:1.1.2
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paulbsd:1.1.0
paulbsd:1.0.3
paulbsd:1.0.2
paulbsd:1.0.1
paulbsd:1.0.0

9 Commits
master ... xorm

Author SHA1 Message Date
Paul Lecuq
99636d5d02 test build with drone on arm64 on coronafana/xorm
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2021-11-06 15:39:10 +01:00
Paul Lecuq
f0aa63c7a6 misc updates on coronafana/xorm
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2021-11-06 14:14:58 +01:00
Paul Lecuq
a102b58576 updates on xorm branch
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2021-10-17 13:35:17 +02:00
Paul Lecuq
d7d813624c updated README.md
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2021-01-13 20:42:20 +01:00
Paul Lecuq
9c1f47da0b update on ci-build.sh
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2020-12-04 22:32:36 +01:00
Paul Lecuq
0b3ae7a32e updated dependencies
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2020-12-04 20:51:28 +01:00
Paul Lecuq
bdf7f6195e updated xorm branch with tor support
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2020-11-14 12:14:31 +01:00
Paul Lecuq
ecacc1963e added support for postgresql
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2020-09-12 18:16:07 +02:00
Paul Lecuq
31ee241de4 converted coronafana to xorm ORM
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2020-09-12 17:52:06 +02:00
539 changed files with 103372 additions and 18482 deletions
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102
.drone.yml
View File

@ -1,74 +1,20 @@
--- ---
kind: pipeline kind: pipeline
type: docker type: docker
name: build-linux name: default-linux-amd64
platform:
os: linux
arсh: amd64
steps: steps:
- name: build-linux-amd64 - name: build
image: golang image: golang
commands: commands:
- go build -o $PROJECTNAME $GOOPTIONS $SRCFILES - ./ci-build.sh build
environment: environment:
GOOS: linux GOOS: linux
GOARCH: amd64 GOARCH: amd64
GOOPTIONS: -mod=vendor
SRCFILES: cmd/coronafana/*.go
PROJECTNAME: coronafana
when:
event:
exclude:
- tag
- name: build-linux-arm64
image: golang
commands:
- go build -o $PROJECTNAME $GOOPTIONS $SRCFILES
environment:
GOOS: linux
GOARCH: arm64
GOOPTIONS: -mod=vendor
SRCFILES: cmd/coronafana/*.go
PROJECTNAME: coronafana
when:
event:
exclude:
- tag
---
kind: pipeline
type: docker
name: gitea-release-linux
steps:
- name: build-linux-amd64
image: golang
commands:
- go build -o $PROJECTNAME $GOOPTIONS $SRCFILES
- tar -czvf $PROJECTNAME-$DRONE_TAG-$GOOS-$GOARCH.tar.gz $PROJECTNAME
- echo $PROJECTNAME $DRONE_TAG > VERSION
environment:
GOOS: linux
GOARCH: amd64
GOOPTIONS: -mod=vendor
SRCFILES: cmd/coronafana/*.go
PROJECTNAME: coronafana
when:
event:
- tag
- name: build-linux-arm64
image: golang
commands:
- go build -o $PROJECTNAME $GOOPTIONS $SRCFILES
- tar -czvf $PROJECTNAME-$DRONE_TAG-$GOOS-$GOARCH.tar.gz $PROJECTNAME
- echo $PROJECTNAME $DRONE_TAG > VERSION
environment:
GOOS: linux
GOARCH: arm64
GOOPTIONS: -mod=vendor
SRCFILES: cmd/coronafana/*.go
PROJECTNAME: coronafana
when:
event:
- tag
- name: release - name: release
image: plugins/gitea-release image: plugins/gitea-release
settings: settings:
@ -79,7 +25,35 @@ steps:
checksum: checksum:
- sha256 - sha256
- sha512 - sha512
title: VERSION
when: when:
event: event: tag
- tag
---
kind: pipeline
type: docker
name: default-linux-arm64
platform:
os: linux
arсh: arm64
steps:
- name: build
image: golang
commands:
- ./ci-build.sh build
environment:
GOOS: linux
GOARCH: arm64
- name: release
image: plugins/gitea-release
settings:
base_url: https://git.paulbsd.com
api_key:
from_secret: gitea_token
files: "*.tar.gz"
checksum:
- sha256
- sha512
when:
event: tag

1
.gitignore vendored
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@ -3,4 +3,3 @@
/*.json /*.json
/dist /dist
/data-dir* /data-dir*
*.swp

19
Makefile Normal file
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@ -0,0 +1,19 @@
# coronafana Makefile
GOCMD=go
GOBUILDCMD=${GOCMD} build
GOOPTIONS=-mod=vendor -ldflags="-s -w"
PACKRCMD=${GOPATH}/bin/packr2
RMCMD=rm
BINNAME=coronafana
SRCFILES=cmd/coronafana/*.go
all: build
build:
${GOBUILDCMD} ${GOOPTIONS} ${SRCFILES}
clean:
${RMCMD} -f ${BINNAME}

6
README.md
View File

@ -1,9 +1,9 @@
# coronafana # coronafana
[![Build Status](https://drone.paulbsd.com/api/badges/paulbsd/coronafana/status.svg)](https://drone.paulbsd.com/paulbsd/coronafana)
## Summary ## Summary
coronafana is quick and dirty small program that fetch informations about covid19, and store them to MariaDB database coronafana is a small program that fetch informations about covid19 statistics, and store them to SQL database using xorm.
Input data sources available from French government.
## Howto ## Howto
@ -17,11 +17,11 @@ make
```ini ```ini
[coronafana] [coronafana]
diffdays=2
db_hostname="hostname" db_hostname="hostname"
db_name="db" db_name="db"
db_username="user" db_username="user"
db_password="pass" db_password="pass"
corona_url="https://coronavirus.politologue.com/data/coronavirus/coronacsv.aspx?format=json"
``` ```
### Run ### Run

46
ci-build.sh Executable file
View File

@ -0,0 +1,46 @@
#!/bin/bash
set -e
PROJECTNAME=coronafana
RELEASENAME=${PROJECTNAME}
VERSION="0"
GOOPTIONS="-mod=vendor"
SRCFILES=cmd/coronafana/*.go
build() {
if [[ ! -z $DRONE_TAG ]]
then
VERSION=$DRONE_TAG
elif [[ ! -z $DRONE_TAG ]]
then
VERSION=$DRONE_COMMIT
fi
if [[ ! -z $VERSION && ! -z $GOOS && ! -z $GOARCH ]]
then
RELEASENAME=${PROJECTNAME}-${VERSION}-${GOOS}-${GOARCH}
fi
go build -o ${PROJECTNAME} ${GOOPTIONS} ${SRCFILES}
if [[ ! -z $DRONE_TAG ]]
then
tar -czvf ${RELEASENAME}.tar.gz ${PROJECTNAME}
fi
rm ${PROJECTNAME}
}
clean() {
rm -rf $RELEASEDIR
}
case $1 in
"build")
build
;;
"clean")
clean
;;
*)
;;
esac

81
cmd/coronafana/coronafana.go
View File

@ -1,14 +1,16 @@
package main package main
import ( import (
"fmt"
"log" "log"
"os"
"os/signal"
"syscall"
"git.paulbsd.com/paulbsd/coronafana/src/config" "git.paulbsd.com/paulbsd/coronafana/src/config"
"git.paulbsd.com/paulbsd/coronafana/src/coronafana" "git.paulbsd.com/paulbsd/coronafana/src/coronafana"
"git.paulbsd.com/paulbsd/coronafana/src/database"
"git.paulbsd.com/paulbsd/coronafana/src/network" "git.paulbsd.com/paulbsd/coronafana/src/network"
_ "github.com/go-sql-driver/mysql" _ "github.com/lib/pq"
"github.com/jmoiron/sqlx"
) )
func main() { func main() {
@ -16,66 +18,43 @@ func main() {
var cr coronafana.Coronafana var cr coronafana.Coronafana
var err error var err error
c := make(chan os.Signal)
signal.Notify(c, os.Interrupt, syscall.SIGTERM)
go func() {
<-c
network.CleanUp()
}()
defer network.CleanUp()
err = cfg.GetConfig() err = cfg.GetConfig()
if err != nil { if err != nil {
log.Fatalln(err) log.Fatalln(err)
} }
db, err := sqlx.Connect("mysql", err = database.InitDatabase(&cfg)
fmt.Sprintf("%s:%s@tcp(%s)/%s",
cfg.DbUsername,
cfg.DbPassword,
cfg.DbHostname,
cfg.DbName))
if err != nil { if err != nil {
log.Println(err) log.Fatalln(err)
return }
defer cfg.Db.Close()
t, d, dc, err := network.InitTorSession()
if err != nil {
log.Fatalln(err)
} }
_, err = db.Exec(cfg.DbSchemaGlobal) defer dc()
defer t.Close()
cr, err = coronafana.GetData(cfg, d)
if err != nil { if err != nil {
log.Println(err) log.Fatalln(err)
return
} }
_, err = db.Exec(cfg.DbSchemaPays) // Process global / pays data
for _, data := range []interface{}{cr.Coronaglobaldata, cr.Coronapaysdata} {
err = coronafana.InsertData(cfg, data)
if err != nil { if err != nil {
log.Println(err) log.Println(err)
return }
}
tr, dialer, dialerctx, err := network.InitTorSession()
defer dialerctx()
defer tr.Close()
if err != nil {
log.Println(err)
return
}
cr, err = coronafana.GetData(cfg, dialer)
if err != nil {
log.Println(err)
return
}
err = cr.GetMaxDates(cfg, *db)
if err != nil {
log.Println(err)
return
}
// Processes data for 'Global'
err = cr.InsertGlobalData(cfg, *db)
if err != nil {
log.Println(err)
return
}
// Processes data for 'Pays'
err = cr.InsertPaysData(cfg, *db)
if err != nil {
log.Println(err)
return
} }
} }

2
coronafana.ini.sample
View File

@ -1,6 +1,6 @@
[coronafana] [coronafana]
diffdays=2
db_hostname="hostname" db_hostname="hostname"
db_name="db" db_name="db"
db_username="user" db_username="user"
db_password="pass" db_password="pass"
corona_url="https://coronavirus.politologue.com/data/coronavirus/coronacsv.aspx?format=json"

35
go.mod
View File

@ -1,22 +1,27 @@
module git.paulbsd.com/paulbsd/coronafana module git.paulbsd.com/paulbsd/coronafana
go 1.21 go 1.17
require ( require (
github.com/cretz/bine v0.2.0 github.com/cretz/bine v0.2.0
github.com/davecgh/go-spew v1.1.1 // indirect github.com/lib/pq v1.10.3
github.com/denisenkom/go-mssqldb v0.12.3 // indirect gopkg.in/ini.v1 v1.63.2
github.com/go-sql-driver/mysql v1.7.1 xorm.io/xorm v1.2.5
github.com/jinzhu/gorm v1.9.16
github.com/jinzhu/now v1.1.5 // indirect
github.com/jmoiron/sqlx v1.3.5
github.com/lib/pq v1.10.7 // indirect
github.com/mattn/go-sqlite3 v2.0.3+incompatible // indirect
golang.org/x/crypto v0.13.0 // indirect
golang.org/x/net v0.15.0 // indirect
golang.org/x/sys v0.12.0 // indirect
gopkg.in/ini.v1 v1.67.0
gopkg.in/yaml.v3 v3.0.1 // indirect
) )
require github.com/jinzhu/inflection v1.0.0 // indirect require (
github.com/goccy/go-json v0.7.10 // indirect
github.com/golang/snappy v0.0.4 // indirect
github.com/json-iterator/go v1.1.12 // indirect
github.com/mattn/go-sqlite3 v2.0.3+incompatible // indirect
github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
github.com/modern-go/reflect2 v1.0.2 // indirect
github.com/onsi/ginkgo v1.16.5 // indirect
github.com/onsi/gomega v1.16.0 // indirect
github.com/syndtr/goleveldb v1.0.0 // indirect
golang.org/x/crypto v0.0.0-20210921155107-089bfa567519 // indirect
golang.org/x/net v0.0.0-20211015210444-4f30a5c0130f // indirect
golang.org/x/sys v0.0.0-20211015200801-69063c4bb744 // indirect
gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
xorm.io/builder v0.3.9 // indirect
)

646
go.sum
View File

@ -1,103 +1,619 @@
github.com/Azure/azure-sdk-for-go/sdk/azcore v0.19.0/go.mod h1:h6H6c8enJmmocHUbLiiGY6sx7f9i+X3m1CHdd5c6Rdw= cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
github.com/Azure/azure-sdk-for-go/sdk/azidentity v0.11.0/go.mod h1:HcM1YX14R7CJcghJGOYCgdezslRSVzqwLf/q+4Y2r/0= cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
github.com/Azure/azure-sdk-for-go/sdk/internal v0.7.0/go.mod h1:yqy467j36fJxcRV2TzfVZ1pCb5vxm4BtZPUdYWe/Xo8= gitea.com/xorm/sqlfiddle v0.0.0-20180821085327-62ce714f951a h1:lSA0F4e9A2NcQSqGqTOXqu2aRi/XEQxDCBwM8yJtE6s=
github.com/PuerkitoBio/goquery v1.5.1/go.mod h1:GsLWisAFVj4WgDibEWF4pvYnkVQBpKBKeU+7zCJoLcc= gitea.com/xorm/sqlfiddle v0.0.0-20180821085327-62ce714f951a/go.mod h1:EXuID2Zs0pAQhH8yz+DNjUbjppKQzKFAn28TMYPB6IU=
github.com/andybalholm/cascadia v1.1.0/go.mod h1:GsXiBklL0woXo1j/WYWtSYYC4ouU9PqHO0sqidkEA4Y= github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
github.com/Masterminds/semver/v3 v3.1.1/go.mod h1:VPu/7SZ7ePZ3QOrcuXROw5FAcLl4a0cBrbBpGY/8hQs=
github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g=
github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5/go.mod h1:SkGFH1ia65gfNATL8TAiHDNxPzPdmEL5uirI2Uyuz6c=
github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
github.com/apache/thrift v0.13.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
github.com/aryann/difflib v0.0.0-20170710044230-e206f873d14a/go.mod h1:DAHtR1m6lCRdSC2Tm3DSWRPvIPr6xNKyeHdqDQSQT+A=
github.com/aws/aws-lambda-go v1.13.3/go.mod h1:4UKl9IzQMoD+QF79YdCuzCwp8VbmG4VAQwij/eHl5CU=
github.com/aws/aws-sdk-go v1.27.0/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
github.com/aws/aws-sdk-go-v2 v0.18.0/go.mod h1:JWVYvqSMppoMJC0x5wdwiImzgXTI9FuZwxzkQq9wy+g=
github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
github.com/casbin/casbin/v2 v2.1.2/go.mod h1:YcPU1XXisHhLzuxH9coDNf2FbKpjGlbCg3n9yuLkIJQ=
github.com/cenkalti/backoff v2.2.1+incompatible/go.mod h1:90ReRw6GdpyfrHakVjL/QHaoyV4aDUVVkXQJJJ3NXXM=
github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
github.com/clbanning/x2j v0.0.0-20191024224557-825249438eec/go.mod h1:jMjuTZXRI4dUb/I5gc9Hdhagfvm9+RyrPryS/auMzxE=
github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
github.com/cockroachdb/apd v1.1.0/go.mod h1:8Sl8LxpKi29FqWXR16WEFZRNSz3SoPzUzeMeY4+DwBQ=
github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE/e/2PUdi/liOCUjSTXgM1o87ZssimdTWN964YiIeI=
github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
github.com/coreos/go-systemd v0.0.0-20180511133405-39ca1b05acc7/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
github.com/coreos/go-systemd v0.0.0-20190321100706-95778dfbb74e/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
github.com/coreos/go-systemd v0.0.0-20190719114852-fd7a80b32e1f/go.mod h1:F5haX7vjVVG0kc13fIWeqUViNPyEJxv/OmvnBo0Yme4=
github.com/coreos/pkg v0.0.0-20160727233714-3ac0863d7acf/go.mod h1:E3G3o1h8I7cfcXa63jLwjI0eiQQMgzzUDFVpN/nH/eA=
github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
github.com/cretz/bine v0.2.0 h1:8GiDRGlTgz+o8H9DSnsl+5MeBK4HsExxgl6WgzOCuZo= github.com/cretz/bine v0.2.0 h1:8GiDRGlTgz+o8H9DSnsl+5MeBK4HsExxgl6WgzOCuZo=
github.com/cretz/bine v0.2.0/go.mod h1:WU4o9QR9wWp8AVKtTM1XD5vUHkEqnf2vVSo6dBqbetI= github.com/cretz/bine v0.2.0/go.mod h1:WU4o9QR9wWp8AVKtTM1XD5vUHkEqnf2vVSo6dBqbetI=
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gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
lukechampine.com/uint128 v1.1.1 h1:pnxCASz787iMf+02ssImqk6OLt+Z5QHMoZyUXR4z6JU=
lukechampine.com/uint128 v1.1.1/go.mod h1:c4eWIwlEGaxC/+H1VguhU4PHXNWDCDMUlWdIWl2j1gk=
modernc.org/cc/v3 v3.33.6 h1:r63dgSzVzRxUpAJFPQWHy1QeZeY1ydNENUDaBx1GqYc=
modernc.org/cc/v3 v3.33.6/go.mod h1:iPJg1pkwXqAV16SNgFBVYmggfMg6xhs+2oiO0vclK3g=
modernc.org/ccgo/v3 v3.9.5 h1:dEuUSf8WN51rDkprFuAqjfchKEzN0WttP/Py3enBwjk=
modernc.org/ccgo/v3 v3.9.5/go.mod h1:umuo2EP2oDSBnD3ckjaVUXMrmeAw8C8OSICVa0iFf60=
modernc.org/httpfs v1.0.6/go.mod h1:7dosgurJGp0sPaRanU53W4xZYKh14wfzX420oZADeHM=
modernc.org/libc v1.7.13-0.20210308123627-12f642a52bb8/go.mod h1:U1eq8YWr/Kc1RWCMFUWEdkTg8OTcfLw2kY8EDwl039w=
modernc.org/libc v1.9.8/go.mod h1:U1eq8YWr/Kc1RWCMFUWEdkTg8OTcfLw2kY8EDwl039w=
modernc.org/libc v1.9.11 h1:QUxZMs48Ahg2F7SN41aERvMfGLY2HU/ADnB9DC4Yts8=
modernc.org/libc v1.9.11/go.mod h1:NyF3tsA5ArIjJ83XB0JlqhjTabTCHm9aX4XMPHyQn0Q=
modernc.org/mathutil v1.1.1/go.mod h1:mZW8CKdRPY1v87qxC/wUdX5O1qDzXMP5TH3wjfpga6E=
modernc.org/mathutil v1.2.2/go.mod h1:mZW8CKdRPY1v87qxC/wUdX5O1qDzXMP5TH3wjfpga6E=
modernc.org/mathutil v1.4.0 h1:GCjoRaBew8ECCKINQA2nYjzvufFW9YiEuuB+rQ9bn2E=
modernc.org/mathutil v1.4.0/go.mod h1:mZW8CKdRPY1v87qxC/wUdX5O1qDzXMP5TH3wjfpga6E=
modernc.org/memory v1.0.4 h1:utMBrFcpnQDdNsmM6asmyH/FM9TqLPS7XF7otpJmrwM=
modernc.org/memory v1.0.4/go.mod h1:nV2OApxradM3/OVbs2/0OsP6nPfakXpi50C7dcoHXlc=
modernc.org/opt v0.1.1 h1:/0RX92k9vwVeDXj+Xn23DKp2VJubL7k8qNffND6qn3A=
modernc.org/opt v0.1.1/go.mod h1:WdSiB5evDcignE70guQKxYUl14mgWtbClRi5wmkkTX0=
modernc.org/sqlite v1.11.2 h1:ShWQpeD3ag/bmx6TqidBlIWonWmQaSQKls3aenCbt+w=
modernc.org/sqlite v1.11.2/go.mod h1:+mhs/P1ONd+6G7hcAs6irwDi/bjTQ7nLW6LHRBsEa3A=
modernc.org/strutil v1.1.1 h1:xv+J1BXY3Opl2ALrBwyfEikFAj8pmqcpnfmuwUwcozs=
modernc.org/strutil v1.1.1/go.mod h1:DE+MQQ/hjKBZS2zNInV5hhcipt5rLPWkmpbGeW5mmdw=
modernc.org/tcl v1.5.5/go.mod h1:ADkaTUuwukkrlhqwERyq0SM8OvyXo7+TjFz7yAF56EI=
modernc.org/token v1.0.0 h1:a0jaWiNMDhDUtqOj09wvjWWAqd3q7WpBulmL9H2egsk=
modernc.org/token v1.0.0/go.mod h1:UGzOrNV1mAFSEB63lOFHIpNRUVMvYTc6yu1SMY/XTDM=
modernc.org/z v1.0.1/go.mod h1:8/SRk5C/HgiQWCgXdfpb+1RvhORdkz5sw72d3jjtyqA=
sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU=
xorm.io/builder v0.3.9 h1:Sd65/LdWyO7LR8+Cbd+e7mm3sK/7U9k0jS3999IDHMc=
xorm.io/builder v0.3.9/go.mod h1:aUW0S9eb9VCaPohFCH3j7czOx1PMW3i1HrSzbLYGBSE=
xorm.io/xorm v1.2.5 h1:tqN7OhN8P9xi52qBb76I8m5maAJMz/SSbgK2RGPCPbo=
xorm.io/xorm v1.2.5/go.mod h1:fTG8tSjk6O1BYxwuohZUK+S1glnRycsCF05L1qQyEU0=

75
src/config/main.go
View File

@ -5,15 +5,18 @@ import (
"git.paulbsd.com/paulbsd/coronafana/utils" "git.paulbsd.com/paulbsd/coronafana/utils"
"gopkg.in/ini.v1" "gopkg.in/ini.v1"
"xorm.io/xorm"
) )
// GetConfig fetch configuration // GetConfig fetch configuration
func (config *Config) GetConfig() (err error) { func (config *Config) GetConfig() (err error) {
var configfile string var configfile string
var debug bool
flag.Usage = utils.Usage flag.Usage = utils.Usage
flag.StringVar(&configfile, "configfile", "coronafana.ini", "Config file to use with coronafana section") flag.StringVar(&configfile, "configfile", "coronafana.ini", "Config file to use with coronafana section")
flag.BoolVar(&debug, "debug", false, "Set debug flag")
flag.Parse() flag.Parse()
cfg, err := ini.Load(configfile) cfg, err := ini.Load(configfile)
@ -22,11 +25,14 @@ func (config *Config) GetConfig() (err error) {
} }
*config = Config{ *config = Config{
Debug: debug,
Diffdays: 3,
DbHostname: "localhost", DbHostname: "localhost",
DbName: "database", DbName: "database",
DbUsername: "username", DbUsername: "username",
DbPassword: "password", DbPassword: "password",
DbTable: "corona", DbTable: "coronafana",
DbSSL: "disable",
CoronaURL: "https://coronavirus.politologue.com/data/coronavirus/coronacsv.aspx?format=json", CoronaURL: "https://coronavirus.politologue.com/data/coronavirus/coronacsv.aspx?format=json",
} }
@ -35,78 +41,21 @@ func (config *Config) GetConfig() (err error) {
return return
} }
config.DbSchemaGlobal = `
CREATE TABLE IF NOT EXISTS coronaglobaldata
(
id int(8) NOT NULL AUTO_INCREMENT,
date datetime NOT NULL,
infection int(8) DEFAULT NULL,
deces int(8) DEFAULT NULL,
guerisons varchar(50) DEFAULT NULL,
tauxdeces float(10) DEFAULT NULL,
tauxguerison float(10) DEFAULT NULL,
tauxinfection float(10) DEFAULT NULL,
PRIMARY KEY (id),
UNIQUE KEY date (date) USING BTREE
)
ENGINE=InnoDB DEFAULT CHARSET=utf8;
`
config.DbInsertGlobal = `
INSERT INTO coronaglobaldata (date, infection, deces, guerisons, tauxdeces, tauxguerison, tauxinfection)
VALUES (:date, :infection, :deces, :guerisons, :tauxdeces, :tauxguerison, :tauxinfection)
ON DUPLICATE KEY UPDATE date=:date,infection=:infection, deces=:deces, guerisons=:guerisons, tauxdeces=:tauxdeces, tauxguerison=:tauxguerison, tauxinfection=:tauxinfection;
`
config.DbMaxDateGlobal = `
SELECT IFNULL(SUBDATE(MAX(date), INTERVAL 3 DAY), "0001-01-01 00:00:00")
FROM coronaglobaldata;
`
config.DbSchemaPays = `
CREATE TABLE IF NOT EXISTS coronapaysdata
(
id int(8) NOT NULL AUTO_INCREMENT,
date datetime NOT NULL,
pays varchar(50) NOT NULL,
infection int(8) DEFAULT NULL,
deces int(8) DEFAULT NULL,
guerisons varchar(50) DEFAULT NULL,
tauxdeces float(10) DEFAULT NULL,
tauxguerison float(10) DEFAULT NULL,
tauxinfection float(10) DEFAULT NULL,
PRIMARY KEY (id),
UNIQUE KEY date (date,pays) USING BTREE
)
ENGINE=InnoDB DEFAULT CHARSET=utf8;
`
config.DbInsertPays = `
INSERT INTO coronapaysdata (date, pays, infection, deces, guerisons, tauxdeces, tauxguerison, tauxinfection)
VALUES (:date, :pays, :infection, :deces, :guerisons, :tauxdeces, :tauxguerison, :tauxinfection)
ON DUPLICATE KEY UPDATE date=:date, pays=:pays,infection=:infection, deces=:deces, guerisons=:guerisons, tauxdeces=:tauxdeces, tauxguerison=:tauxguerison, tauxinfection=:tauxinfection;
`
config.DbMaxDatePays = `
SELECT IFNULL(SUBDATE(MAX(date), INTERVAL 3 DAY), "0001-01-01 00:00:00")
FROM coronapaysdata;
`
return return
} }
// Config is the global config of g2g // Config is the global config of g2g
type Config struct { type Config struct {
CoronaURL string
Db *xorm.Engine
Debug bool
Diffdays int `ini:"diffdays"`
DbHostname string `ini:"db_hostname"` DbHostname string `ini:"db_hostname"`
DbName string `ini:"db_name"` DbName string `ini:"db_name"`
DbUsername string `ini:"db_username"` DbUsername string `ini:"db_username"`
DbPassword string `ini:"db_password"` DbPassword string `ini:"db_password"`
DbTable string `ini:"db_table"` DbTable string `ini:"db_table"`
DbSchemaGlobal string DbSSL string `ini:"db_ssl"`
DbInsertGlobal string
DbMaxDateGlobal string DbMaxDateGlobal string
DbSchemaPays string
DbInsertPays string
DbMaxDatePays string DbMaxDatePays string
CoronaURL string
} }

192
src/coronafana/main.go
View File

@ -3,24 +3,23 @@ package coronafana
import ( import (
"encoding/json" "encoding/json"
"fmt" "fmt"
"io" "io/ioutil"
"log" "log"
"net/http" "net/http"
"strings" "reflect"
"time" "time"
"git.paulbsd.com/paulbsd/coronafana/src/config" "git.paulbsd.com/paulbsd/coronafana/src/config"
"github.com/cretz/bine/tor" "github.com/cretz/bine/tor"
"github.com/jinzhu/gorm" "xorm.io/xorm"
"github.com/jmoiron/sqlx"
) )
// GetData fetch data from open data portal // GetData fetch data from open data portal
func GetData(cfg config.Config, d *tor.Dialer) (cr Coronafana, err error) { func GetData(cfg config.Config, d *tor.Dialer) (cr Coronafana, err error) {
var client = &http.Client{Transport: &http.Transport{DialContext: d.DialContext}}
log.Println("Getting JSON file ...") log.Println("Getting JSON file ...")
var client = &http.Client{Transport: &http.Transport{DialContext: d.DialContext}}
if cfg.CoronaURL == "" { if cfg.CoronaURL == "" {
err = fmt.Errorf("CoronaURL is not defined") err = fmt.Errorf("CoronaURL is not defined")
return return
@ -31,7 +30,7 @@ func GetData(cfg config.Config, d *tor.Dialer) (cr Coronafana, err error) {
return return
} }
body, err := io.ReadAll(resp.Body) body, err := ioutil.ReadAll(resp.Body)
if err != nil { if err != nil {
return return
} }
@ -47,22 +46,58 @@ func GetData(cfg config.Config, d *tor.Dialer) (cr Coronafana, err error) {
return return
} }
// InsertGlobalData insert data to MySQL / MariaDB // InsertData insert data to MySQL / MariaDB
func (cr Coronafana) InsertGlobalData(cfg config.Config, db sqlx.DB) (err error) { func InsertData(cfg config.Config, data interface{}) (err error) {
var tx *sqlx.Tx var tx *xorm.Session
var i int var numentries int = 0
var parseddate time.Time
log.Println("Start inserting global data ...") tx = cfg.Db.NewSession()
tx = db.MustBegin() defer tx.Close()
txStmtglobal, err := tx.PrepareNamed(cfg.DbInsertGlobal)
for _, dt := range cr.GlobalData { log.Println("Getting max dates")
if t, _ := GetParsedDate(dt.Date); t.After(cr.MaxDateGlobal) {
_, err = txStmtglobal.Exec(&dt) switch reflect.TypeOf(data).String() {
case "[]coronafana.Coronaglobaldata":
var datac []Coronaglobaldata
if err = cfg.Db.Desc("date").Limit(1, cfg.Diffdays).Find(&datac); len(datac) > 0 {
parseddate = datac[0].Date
}
case "[]coronafana.Coronapaysdata":
var datac []Coronapaysdata
if err = cfg.Db.Desc("date").Limit(1, cfg.Diffdays).Find(&datac); len(datac) > 0 {
parseddate = datac[0].Date
}
}
if err != nil { if err != nil {
return return
} }
i++
tx.Begin()
log.Println("Start inserting data ...")
for idx := range make([]int, reflect.ValueOf(data).Len()-1) {
datestring := reflect.ValueOf(data).Index(idx).FieldByName("DateString").Interface().(string)
date, _ := GetParsedDate(datestring)
reflect.ValueOf(data).Index(idx).FieldByName("Date").Set(reflect.ValueOf(date))
if date.After(parseddate) {
switch reflect.TypeOf(data).String() {
case "[]coronafana.Coronaglobaldata":
dt := reflect.ValueOf(data).Index(idx).Interface().(Coronaglobaldata)
_, err := tx.Insert(&dt)
if err != nil {
tx.Rollback()
continue
}
case "[]coronafana.Coronapaysdata":
dt := reflect.ValueOf(data).Index(idx).Interface().(Coronapaysdata)
_, err := tx.Insert(&dt)
if err != nil {
tx.Rollback()
continue
}
}
numentries++
} }
} }
@ -71,8 +106,8 @@ func (cr Coronafana) InsertGlobalData(cfg config.Config, db sqlx.DB) (err error)
return return
} }
if i > 0 { if numentries > 0 {
log.Println(fmt.Sprintf("%d global entries to insert", i)) log.Println(fmt.Sprintf("%d entries inserted", numentries))
} else { } else {
log.Println("No entry inserted") log.Println("No entry inserted")
} }
@ -80,70 +115,6 @@ func (cr Coronafana) InsertGlobalData(cfg config.Config, db sqlx.DB) (err error)
return return
} }
// InsertPaysData insert data to MySQL / MariaDB
func (cr Coronafana) InsertPaysData(cfg config.Config, db sqlx.DB) (err error) {
var tx *sqlx.Tx
var i int
log.Println("Start inserting country data ...")
tx = db.MustBegin()
cr.ReplacePaysQuotes()
txStmtpays, err := tx.PrepareNamed(cfg.DbInsertPays)
for _, dt := range cr.PaysData {
if t, _ := GetParsedDate(dt.Date); t.After(cr.MaxDatePays) {
_, err = txStmtpays.Exec(&dt)
if err != nil {
return
}
i++
}
}
err = tx.Commit()
if err != nil {
return
}
if i > 0 {
log.Println(fmt.Sprintf("%d global entries to insert", i))
} else {
log.Println("No entry inserted")
}
return
}
// ReplacePaysQuotes escapes quotes in Pays names
func (cr *Coronafana) ReplacePaysQuotes() (err error) {
for _, pdata := range cr.PaysData {
pdata.Pays = strings.Replace(pdata.Pays, `'`, `\'`, -1)
}
return
}
// GetMaxDates get max dates on table
func (cr *Coronafana) GetMaxDates(cfg config.Config, db sqlx.DB) (err error) {
var maxDateGlobal, maxDatePays string
err = db.Get(&maxDateGlobal, cfg.DbMaxDateGlobal)
if err != nil {
return
}
err = db.Get(&maxDatePays, cfg.DbMaxDatePays)
if err != nil {
return
}
cr.MaxDateGlobal, err = time.Parse("2006-01-02 15:04:05", maxDateGlobal)
cr.MaxDatePays, err = time.Parse("2006-01-02 15:04:05", maxDatePays)
return
}
// GetParsedDate returns parsed date as time.Time // GetParsedDate returns parsed date as time.Time
func GetParsedDate(date string) (res time.Time, err error) { func GetParsedDate(date string) (res time.Time, err error) {
res, err = time.Parse("2006-01-02T15:04:05", date) res, err = time.Parse("2006-01-02T15:04:05", date)
@ -152,29 +123,42 @@ func GetParsedDate(date string) (res time.Time, err error) {
// Coronafana is the main struct // Coronafana is the main struct
type Coronafana struct { type Coronafana struct {
gorm.Model
Source string `json:"Source"` Source string `json:"Source"`
Information string `json:"Information"` Information string `json:"Information"`
Utilisation string `json:"Utilisation"` Utilisation string `json:"Utilisation"`
MaxDateGlobal time.Time MaxDateGlobal time.Time
MaxDatePays time.Time MaxDatePays time.Time
GlobalData []struct { Coronaglobaldata []Coronaglobaldata `json:"GlobalData"`
Date string `json:"Date" gorm:"primary_key" db:"date"` Coronapaysdata []Coronapaysdata `json:"PaysData"`
Infection int `json:"Infection" db:"infection"` }
Deces int `json:"Deces" db:"deces"`
Guerisons int `json:"Guerisons" db:"guerisons"` // Coronaglobaldata relates to global data
TauxDeces float64 `json:"TauxDeces" db:"tauxdeces"` type Coronaglobaldata struct {
TauxGuerison float64 `json:"TauxGuerison" db:"tauxguerison"` ID int `xorm:"not null pk autoincr INT(8)"`
TauxInfection float64 `json:"TauxInfection" db:"tauxinfection"` Date time.Time `xorm:"not null unique(date) DATETIME"`
} `json:"GlobalData"` Infection int `json:"Infection" xorm:"INT(8)"`
PaysData []struct { Deces int `json:"Deces" xorm:"INT(8)"`
Date string `json:"Date" gorm:"primary_key" db:"date"` Guerisons int `json:"Guerisons" xorm:"INT(8)"`
Pays string `json:"Pays" db:"pays"` Tauxdeces float64 `json:"TauxDeces"`
Infection int `json:"Infection" db:"infection"` Tauxguerison float64 `json:"TauxGuerison"`
Deces int `json:"Deces" db:"deces"` Tauxinfection float64 `json:"TauxInfection"`
Guerisons int `json:"Guerisons" db:"guerisons"` DateString string `json:"Date" xorm:"-"`
TauxDeces float64 `json:"TauxDeces" db:"tauxdeces"` }
TauxGuerison float64 `json:"TauxGuerison" db:"tauxguerison"`
TauxInfection float64 `json:"TauxInfection" db:"tauxinfection"` // Coronapaysdata relates to country data
} `json:"PaysData"` type Coronapaysdata struct {
ID int `xorm:"not null pk autoincr INT(8)"`
Date time.Time `xorm:"not null unique(date) DATETIME"`
Pays string `json:"Pays" xorm:"not null unique(date) VARCHAR(50)"`
Infection int `json:"Infection" xorm:"INT(8)"`
Deces int `json:"Deces" xorm:"INT(8)"`
Guerisons int `json:"Guerisons" xorm:"INT(8)"`
Tauxdeces float64 `json:"TauxDeces" xorm:"FLOAT"`
Tauxguerison float64 `json:"TauxGuerison" xorm:"FLOAT"`
Tauxinfection float64 `json:"TauxInfection" xorm:"FLOAT"`
DateString string `json:"Date" xorm:"-"`
}
type calc interface {
GetMaxDate() time.Time
} }

42
src/database/main.go Normal file
View File

@ -0,0 +1,42 @@
package database
import (
"fmt"
"log"
"git.paulbsd.com/paulbsd/coronafana/src/config"
"git.paulbsd.com/paulbsd/coronafana/src/coronafana"
"xorm.io/xorm"
"xorm.io/xorm/names"
)
// InitDatabase ...
func InitDatabase(cfg *config.Config) (err error) {
log.Println("Initializing database ...")
var tables = []interface{}{
new(coronafana.Coronaglobaldata),
new(coronafana.Coronapaysdata),
}
cfg.Db, err = xorm.NewEngine("postgres",
fmt.Sprintf("user=%s password=%s host=%s dbname=%s sslmode=%s",
cfg.DbUsername,
cfg.DbPassword,
cfg.DbHostname,
cfg.DbName,
cfg.DbSSL))
if err != nil {
return
}
cfg.Db.SetMapper(names.GonicMapper{})
cfg.Db.ShowSQL(cfg.Debug)
for _, object := range tables {
err = cfg.Db.Sync2(object)
if err != nil {
return
}
}
return
}

20
src/network/main.go
View File

@ -2,7 +2,10 @@ package network
import ( import (
"context" "context"
"fmt"
"log" "log"
"os"
"path/filepath"
"time" "time"
"github.com/cretz/bine/tor" "github.com/cretz/bine/tor"
@ -10,12 +13,14 @@ import (
// InitTorSession initialize a tor session // InitTorSession initialize a tor session
func InitTorSession() (t *tor.Tor, dialer *tor.Dialer, dialCancel context.CancelFunc, err error) { func InitTorSession() (t *tor.Tor, dialer *tor.Dialer, dialCancel context.CancelFunc, err error) {
log.Println("Initializing hidden network ...")
t, err = tor.Start(nil, nil) t, err = tor.Start(nil, nil)
if err != nil { if err != nil {
log.Panicf("Failed to start tor: %v", err) log.Panicf("Failed to start tor: %v", err)
} }
// Wait at most a minute to start network and get // Wait at most 30 seconds to start network and get
dialCtx, dialCancel := context.WithTimeout(context.Background(), time.Minute) log.Println("Wait for network to initilize for 30 seconds ...")
dialCtx, dialCancel := context.WithTimeout(context.Background(), time.Second*30)
dialer, err = t.Dialer(dialCtx, nil) dialer, err = t.Dialer(dialCtx, nil)
if err != nil { if err != nil {
@ -23,3 +28,14 @@ func InitTorSession() (t *tor.Tor, dialer *tor.Dialer, dialCancel context.Cancel
} }
return return
} }
func CleanUp() {
rm, err := filepath.Glob("data-dir*")
if err != nil {
log.Println(err)
}
for _, f := range rm {
fmt.Printf("Removing %s\n", f)
os.RemoveAll(f)
}
}

9
vendor/github.com/go-sql-driver/mysql/.gitignore generated vendored
View File

@ -1,9 +0,0 @@
.DS_Store
.DS_Store?
._*
.Spotlight-V100
.Trashes
Icon?
ehthumbs.db
Thumbs.db
.idea

126
vendor/github.com/go-sql-driver/mysql/AUTHORS generated vendored
View File

@ -1,126 +0,0 @@
# This is the official list of Go-MySQL-Driver authors for copyright purposes.
# If you are submitting a patch, please add your name or the name of the
# organization which holds the copyright to this list in alphabetical order.
# Names should be added to this file as
# Name <email address>
# The email address is not required for organizations.
# Please keep the list sorted.
# Individual Persons
Aaron Hopkins <go-sql-driver at die.net>
Achille Roussel <achille.roussel at gmail.com>
Alex Snast <alexsn at fb.com>
Alexey Palazhchenko <alexey.palazhchenko at gmail.com>
Andrew Reid <andrew.reid at tixtrack.com>
Animesh Ray <mail.rayanimesh at gmail.com>
Arne Hormann <arnehormann at gmail.com>
Ariel Mashraki <ariel at mashraki.co.il>
Asta Xie <xiemengjun at gmail.com>
Bulat Gaifullin <gaifullinbf at gmail.com>
Caine Jette <jette at alum.mit.edu>
Carlos Nieto <jose.carlos at menteslibres.net>
Chris Kirkland <chriskirkland at github.com>
Chris Moos <chris at tech9computers.com>
Craig Wilson <craiggwilson at gmail.com>
Daniel Montoya <dsmontoyam at gmail.com>
Daniel Nichter <nil at codenode.com>
Daniël van Eeden <git at myname.nl>
Dave Protasowski <dprotaso at gmail.com>
DisposaBoy <disposaboy at dby.me>
Egor Smolyakov <egorsmkv at gmail.com>
Erwan Martin <hello at erwan.io>
Evan Shaw <evan at vendhq.com>
Frederick Mayle <frederickmayle at gmail.com>
Gustavo Kristic <gkristic at gmail.com>
Hajime Nakagami <nakagami at gmail.com>
Hanno Braun <mail at hannobraun.com>
Henri Yandell <flamefew at gmail.com>
Hirotaka Yamamoto <ymmt2005 at gmail.com>
Huyiguang <hyg at webterren.com>
ICHINOSE Shogo <shogo82148 at gmail.com>
Ilia Cimpoes <ichimpoesh at gmail.com>
INADA Naoki <songofacandy at gmail.com>
Jacek Szwec <szwec.jacek at gmail.com>
James Harr <james.harr at gmail.com>
Janek Vedock <janekvedock at comcast.net>
Jeff Hodges <jeff at somethingsimilar.com>
Jeffrey Charles <jeffreycharles at gmail.com>
Jerome Meyer <jxmeyer at gmail.com>
Jiajia Zhong <zhong2plus at gmail.com>
Jian Zhen <zhenjl at gmail.com>
Joshua Prunier <joshua.prunier at gmail.com>
Julien Lefevre <julien.lefevr at gmail.com>
Julien Schmidt <go-sql-driver at julienschmidt.com>
Justin Li <jli at j-li.net>
Justin Nuß <nuss.justin at gmail.com>
Kamil Dziedzic <kamil at klecza.pl>
Kei Kamikawa <x00.x7f.x86 at gmail.com>
Kevin Malachowski <kevin at chowski.com>
Kieron Woodhouse <kieron.woodhouse at infosum.com>
Lance Tian <lance6716 at gmail.com>
Lennart Rudolph <lrudolph at hmc.edu>
Leonardo YongUk Kim <dalinaum at gmail.com>
Linh Tran Tuan <linhduonggnu at gmail.com>
Lion Yang <lion at aosc.xyz>
Luca Looz <luca.looz92 at gmail.com>
Lucas Liu <extrafliu at gmail.com>
Lunny Xiao <xiaolunwen at gmail.com>
Luke Scott <luke at webconnex.com>
Maciej Zimnoch <maciej.zimnoch at codilime.com>
Michael Woolnough <michael.woolnough at gmail.com>
Nathanial Murphy <nathanial.murphy at gmail.com>
Nicola Peduzzi <thenikso at gmail.com>
Olivier Mengué <dolmen at cpan.org>
oscarzhao <oscarzhaosl at gmail.com>
Paul Bonser <misterpib at gmail.com>
Peter Schultz <peter.schultz at classmarkets.com>
Phil Porada <philporada at gmail.com>
Rebecca Chin <rchin at pivotal.io>
Reed Allman <rdallman10 at gmail.com>
Richard Wilkes <wilkes at me.com>
Robert Russell <robert at rrbrussell.com>
Runrioter Wung <runrioter at gmail.com>
Samantha Frank <hello at entropy.cat>
Santhosh Kumar Tekuri <santhosh.tekuri at gmail.com>
Sho Iizuka <sho.i518 at gmail.com>
Sho Ikeda <suicaicoca at gmail.com>
Shuode Li <elemount at qq.com>
Simon J Mudd <sjmudd at pobox.com>
Soroush Pour <me at soroushjp.com>
Stan Putrya <root.vagner at gmail.com>
Stanley Gunawan <gunawan.stanley at gmail.com>
Steven Hartland <steven.hartland at multiplay.co.uk>
Tan Jinhua <312841925 at qq.com>
Thomas Wodarek <wodarekwebpage at gmail.com>
Tim Ruffles <timruffles at gmail.com>
Tom Jenkinson <tom at tjenkinson.me>
Vladimir Kovpak <cn007b at gmail.com>
Vladyslav Zhelezniak <zhvladi at gmail.com>
Xiangyu Hu <xiangyu.hu at outlook.com>
Xiaobing Jiang <s7v7nislands at gmail.com>
Xiuming Chen <cc at cxm.cc>
Xuehong Chan <chanxuehong at gmail.com>
Zhenye Xie <xiezhenye at gmail.com>
Zhixin Wen <john.wenzhixin at gmail.com>
Ziheng Lyu <zihenglv at gmail.com>
# Organizations
Barracuda Networks, Inc.
Counting Ltd.
DigitalOcean Inc.
dyves labs AG
Facebook Inc.
GitHub Inc.
Google Inc.
InfoSum Ltd.
Keybase Inc.
Multiplay Ltd.
Percona LLC
Pivotal Inc.
Stripe Inc.
Zendesk Inc.

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@ -1,266 +0,0 @@
## Version 1.7.1 (2023-04-25)
Changes:
- bump actions/checkout@v3 and actions/setup-go@v3 (#1375)
- Add go1.20 and mariadb10.11 to the testing matrix (#1403)
- Increase default maxAllowedPacket size. (#1411)
Bugfixes:
- Use SET syntax as specified in the MySQL documentation (#1402)
## Version 1.7 (2022-11-29)
Changes:
- Drop support of Go 1.12 (#1211)
- Refactoring `(*textRows).readRow` in a more clear way (#1230)
- util: Reduce boundary check in escape functions. (#1316)
- enhancement for mysqlConn handleAuthResult (#1250)
New Features:
- support Is comparison on MySQLError (#1210)
- return unsigned in database type name when necessary (#1238)
- Add API to express like a --ssl-mode=PREFERRED MySQL client (#1370)
- Add SQLState to MySQLError (#1321)
Bugfixes:
- Fix parsing 0 year. (#1257)
## Version 1.6 (2021-04-01)
Changes:
- Migrate the CI service from travis-ci to GitHub Actions (#1176, #1183, #1190)
- `NullTime` is deprecated (#960, #1144)
- Reduce allocations when building SET command (#1111)
- Performance improvement for time formatting (#1118)
- Performance improvement for time parsing (#1098, #1113)
New Features:
- Implement `driver.Validator` interface (#1106, #1174)
- Support returning `uint64` from `Valuer` in `ConvertValue` (#1143)
- Add `json.RawMessage` for converter and prepared statement (#1059)
- Interpolate `json.RawMessage` as `string` (#1058)
- Implements `CheckNamedValue` (#1090)
Bugfixes:
- Stop rounding times (#1121, #1172)
- Put zero filler into the SSL handshake packet (#1066)
- Fix checking cancelled connections back into the connection pool (#1095)
- Fix remove last 0 byte for mysql_old_password when password is empty (#1133)
## Version 1.5 (2020-01-07)
Changes:
- Dropped support Go 1.9 and lower (#823, #829, #886, #1016, #1017)
- Improve buffer handling (#890)
- Document potentially insecure TLS configs (#901)
- Use a double-buffering scheme to prevent data races (#943)
- Pass uint64 values without converting them to string (#838, #955)
- Update collations and make utf8mb4 default (#877, #1054)
- Make NullTime compatible with sql.NullTime in Go 1.13+ (#995)
- Removed CloudSQL support (#993, #1007)
- Add Go Module support (#1003)
New Features:
- Implement support of optional TLS (#900)
- Check connection liveness (#934, #964, #997, #1048, #1051, #1052)
- Implement Connector Interface (#941, #958, #1020, #1035)
Bugfixes:
- Mark connections as bad on error during ping (#875)
- Mark connections as bad on error during dial (#867)
- Fix connection leak caused by rapid context cancellation (#1024)
- Mark connections as bad on error during Conn.Prepare (#1030)
## Version 1.4.1 (2018-11-14)
Bugfixes:
- Fix TIME format for binary columns (#818)
- Fix handling of empty auth plugin names (#835)
- Fix caching_sha2_password with empty password (#826)
- Fix canceled context broke mysqlConn (#862)
- Fix OldAuthSwitchRequest support (#870)
- Fix Auth Response packet for cleartext password (#887)
## Version 1.4 (2018-06-03)
Changes:
- Documentation fixes (#530, #535, #567)
- Refactoring (#575, #579, #580, #581, #603, #615, #704)
- Cache column names (#444)
- Sort the DSN parameters in DSNs generated from a config (#637)
- Allow native password authentication by default (#644)
- Use the default port if it is missing in the DSN (#668)
- Removed the `strict` mode (#676)
- Do not query `max_allowed_packet` by default (#680)
- Dropped support Go 1.6 and lower (#696)
- Updated `ConvertValue()` to match the database/sql/driver implementation (#760)
- Document the usage of `0000-00-00T00:00:00` as the time.Time zero value (#783)
- Improved the compatibility of the authentication system (#807)
New Features:
- Multi-Results support (#537)
- `rejectReadOnly` DSN option (#604)
- `context.Context` support (#608, #612, #627, #761)
- Transaction isolation level support (#619, #744)
- Read-Only transactions support (#618, #634)
- `NewConfig` function which initializes a config with default values (#679)
- Implemented the `ColumnType` interfaces (#667, #724)
- Support for custom string types in `ConvertValue` (#623)
- Implemented `NamedValueChecker`, improving support for uint64 with high bit set (#690, #709, #710)
- `caching_sha2_password` authentication plugin support (#794, #800, #801, #802)
- Implemented `driver.SessionResetter` (#779)
- `sha256_password` authentication plugin support (#808)
Bugfixes:
- Use the DSN hostname as TLS default ServerName if `tls=true` (#564, #718)
- Fixed LOAD LOCAL DATA INFILE for empty files (#590)
- Removed columns definition cache since it sometimes cached invalid data (#592)
- Don't mutate registered TLS configs (#600)
- Make RegisterTLSConfig concurrency-safe (#613)
- Handle missing auth data in the handshake packet correctly (#646)
- Do not retry queries when data was written to avoid data corruption (#302, #736)
- Cache the connection pointer for error handling before invalidating it (#678)
- Fixed imports for appengine/cloudsql (#700)
- Fix sending STMT_LONG_DATA for 0 byte data (#734)
- Set correct capacity for []bytes read from length-encoded strings (#766)
- Make RegisterDial concurrency-safe (#773)
## Version 1.3 (2016-12-01)
Changes:
- Go 1.1 is no longer supported
- Use decimals fields in MySQL to format time types (#249)
- Buffer optimizations (#269)
- TLS ServerName defaults to the host (#283)
- Refactoring (#400, #410, #437)
- Adjusted documentation for second generation CloudSQL (#485)
- Documented DSN system var quoting rules (#502)
- Made statement.Close() calls idempotent to avoid errors in Go 1.6+ (#512)
New Features:
- Enable microsecond resolution on TIME, DATETIME and TIMESTAMP (#249)
- Support for returning table alias on Columns() (#289, #359, #382)
- Placeholder interpolation, can be actived with the DSN parameter `interpolateParams=true` (#309, #318, #490)
- Support for uint64 parameters with high bit set (#332, #345)
- Cleartext authentication plugin support (#327)
- Exported ParseDSN function and the Config struct (#403, #419, #429)
- Read / Write timeouts (#401)
- Support for JSON field type (#414)
- Support for multi-statements and multi-results (#411, #431)
- DSN parameter to set the driver-side max_allowed_packet value manually (#489)
- Native password authentication plugin support (#494, #524)
Bugfixes:
- Fixed handling of queries without columns and rows (#255)
- Fixed a panic when SetKeepAlive() failed (#298)
- Handle ERR packets while reading rows (#321)
- Fixed reading NULL length-encoded integers in MySQL 5.6+ (#349)
- Fixed absolute paths support in LOAD LOCAL DATA INFILE (#356)
- Actually zero out bytes in handshake response (#378)
- Fixed race condition in registering LOAD DATA INFILE handler (#383)
- Fixed tests with MySQL 5.7.9+ (#380)
- QueryUnescape TLS config names (#397)
- Fixed "broken pipe" error by writing to closed socket (#390)
- Fixed LOAD LOCAL DATA INFILE buffering (#424)
- Fixed parsing of floats into float64 when placeholders are used (#434)
- Fixed DSN tests with Go 1.7+ (#459)
- Handle ERR packets while waiting for EOF (#473)
- Invalidate connection on error while discarding additional results (#513)
- Allow terminating packets of length 0 (#516)
## Version 1.2 (2014-06-03)
Changes:
- We switched back to a "rolling release". `go get` installs the current master branch again
- Version v1 of the driver will not be maintained anymore. Go 1.0 is no longer supported by this driver
- Exported errors to allow easy checking from application code
- Enabled TCP Keepalives on TCP connections
- Optimized INFILE handling (better buffer size calculation, lazy init, ...)
- The DSN parser also checks for a missing separating slash
- Faster binary date / datetime to string formatting
- Also exported the MySQLWarning type
- mysqlConn.Close returns the first error encountered instead of ignoring all errors
- writePacket() automatically writes the packet size to the header
- readPacket() uses an iterative approach instead of the recursive approach to merge splitted packets
New Features:
- `RegisterDial` allows the usage of a custom dial function to establish the network connection
- Setting the connection collation is possible with the `collation` DSN parameter. This parameter should be preferred over the `charset` parameter
- Logging of critical errors is configurable with `SetLogger`
- Google CloudSQL support
Bugfixes:
- Allow more than 32 parameters in prepared statements
- Various old_password fixes
- Fixed TestConcurrent test to pass Go's race detection
- Fixed appendLengthEncodedInteger for large numbers
- Renamed readLengthEnodedString to readLengthEncodedString and skipLengthEnodedString to skipLengthEncodedString (fixed typo)
## Version 1.1 (2013-11-02)
Changes:
- Go-MySQL-Driver now requires Go 1.1
- Connections now use the collation `utf8_general_ci` by default. Adding `&charset=UTF8` to the DSN should not be necessary anymore
- Made closing rows and connections error tolerant. This allows for example deferring rows.Close() without checking for errors
- `[]byte(nil)` is now treated as a NULL value. Before, it was treated like an empty string / `[]byte("")`
- DSN parameter values must now be url.QueryEscape'ed. This allows text values to contain special characters, such as '&'.
- Use the IO buffer also for writing. This results in zero allocations (by the driver) for most queries
- Optimized the buffer for reading
- stmt.Query now caches column metadata
- New Logo
- Changed the copyright header to include all contributors
- Improved the LOAD INFILE documentation
- The driver struct is now exported to make the driver directly accessible
- Refactored the driver tests
- Added more benchmarks and moved all to a separate file
- Other small refactoring
New Features:
- Added *old_passwords* support: Required in some cases, but must be enabled by adding `allowOldPasswords=true` to the DSN since it is insecure
- Added a `clientFoundRows` parameter: Return the number of matching rows instead of the number of rows changed on UPDATEs
- Added TLS/SSL support: Use a TLS/SSL encrypted connection to the server. Custom TLS configs can be registered and used
Bugfixes:
- Fixed MySQL 4.1 support: MySQL 4.1 sends packets with lengths which differ from the specification
- Convert to DB timezone when inserting `time.Time`
- Splitted packets (more than 16MB) are now merged correctly
- Fixed false positive `io.EOF` errors when the data was fully read
- Avoid panics on reuse of closed connections
- Fixed empty string producing false nil values
- Fixed sign byte for positive TIME fields
## Version 1.0 (2013-05-14)
Initial Release

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Mozilla Public License Version 2.0
==================================
1. Definitions
--------------
1.1. "Contributor"
means each individual or legal entity that creates, contributes to
the creation of, or owns Covered Software.
1.2. "Contributor Version"
means the combination of the Contributions of others (if any) used
by a Contributor and that particular Contributor's Contribution.
1.3. "Contribution"
means Covered Software of a particular Contributor.
1.4. "Covered Software"
means Source Code Form to which the initial Contributor has attached
the notice in Exhibit A, the Executable Form of such Source Code
Form, and Modifications of such Source Code Form, in each case
including portions thereof.
1.5. "Incompatible With Secondary Licenses"
means
(a) that the initial Contributor has attached the notice described
in Exhibit B to the Covered Software; or
(b) that the Covered Software was made available under the terms of
version 1.1 or earlier of the License, but not also under the
terms of a Secondary License.
1.6. "Executable Form"
means any form of the work other than Source Code Form.
1.7. "Larger Work"
means a work that combines Covered Software with other material, in
a separate file or files, that is not Covered Software.
1.8. "License"
means this document.
1.9. "Licensable"
means having the right to grant, to the maximum extent possible,
whether at the time of the initial grant or subsequently, any and
all of the rights conveyed by this License.
1.10. "Modifications"
means any of the following:
(a) any file in Source Code Form that results from an addition to,
deletion from, or modification of the contents of Covered
Software; or
(b) any new file in Source Code Form that contains any Covered
Software.
1.11. "Patent Claims" of a Contributor
means any patent claim(s), including without limitation, method,
process, and apparatus claims, in any patent Licensable by such
Contributor that would be infringed, but for the grant of the
License, by the making, using, selling, offering for sale, having
made, import, or transfer of either its Contributions or its
Contributor Version.
1.12. "Secondary License"
means either the GNU General Public License, Version 2.0, the GNU
Lesser General Public License, Version 2.1, the GNU Affero General
Public License, Version 3.0, or any later versions of those
licenses.
1.13. "Source Code Form"
means the form of the work preferred for making modifications.
1.14. "You" (or "Your")
means an individual or a legal entity exercising rights under this
License. For legal entities, "You" includes any entity that
controls, is controlled by, or is under common control with You. For
purposes of this definition, "control" means (a) the power, direct
or indirect, to cause the direction or management of such entity,
whether by contract or otherwise, or (b) ownership of more than
fifty percent (50%) of the outstanding shares or beneficial
ownership of such entity.
2. License Grants and Conditions
--------------------------------
2.1. Grants
Each Contributor hereby grants You a world-wide, royalty-free,
non-exclusive license:
(a) under intellectual property rights (other than patent or trademark)
Licensable by such Contributor to use, reproduce, make available,
modify, display, perform, distribute, and otherwise exploit its
Contributions, either on an unmodified basis, with Modifications, or
as part of a Larger Work; and
(b) under Patent Claims of such Contributor to make, use, sell, offer
for sale, have made, import, and otherwise transfer either its
Contributions or its Contributor Version.
2.2. Effective Date
The licenses granted in Section 2.1 with respect to any Contribution
become effective for each Contribution on the date the Contributor first
distributes such Contribution.
2.3. Limitations on Grant Scope
The licenses granted in this Section 2 are the only rights granted under
this License. No additional rights or licenses will be implied from the
distribution or licensing of Covered Software under this License.
Notwithstanding Section 2.1(b) above, no patent license is granted by a
Contributor:
(a) for any code that a Contributor has removed from Covered Software;
or
(b) for infringements caused by: (i) Your and any other third party's
modifications of Covered Software, or (ii) the combination of its
Contributions with other software (except as part of its Contributor
Version); or
(c) under Patent Claims infringed by Covered Software in the absence of
its Contributions.
This License does not grant any rights in the trademarks, service marks,
or logos of any Contributor (except as may be necessary to comply with
the notice requirements in Section 3.4).
2.4. Subsequent Licenses
No Contributor makes additional grants as a result of Your choice to
distribute the Covered Software under a subsequent version of this
License (see Section 10.2) or under the terms of a Secondary License (if
permitted under the terms of Section 3.3).
2.5. Representation
Each Contributor represents that the Contributor believes its
Contributions are its original creation(s) or it has sufficient rights
to grant the rights to its Contributions conveyed by this License.
2.6. Fair Use
This License is not intended to limit any rights You have under
applicable copyright doctrines of fair use, fair dealing, or other
equivalents.
2.7. Conditions
Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted
in Section 2.1.
3. Responsibilities
-------------------
3.1. Distribution of Source Form
All distribution of Covered Software in Source Code Form, including any
Modifications that You create or to which You contribute, must be under
the terms of this License. You must inform recipients that the Source
Code Form of the Covered Software is governed by the terms of this
License, and how they can obtain a copy of this License. You may not
attempt to alter or restrict the recipients' rights in the Source Code
Form.
3.2. Distribution of Executable Form
If You distribute Covered Software in Executable Form then:
(a) such Covered Software must also be made available in Source Code
Form, as described in Section 3.1, and You must inform recipients of
the Executable Form how they can obtain a copy of such Source Code
Form by reasonable means in a timely manner, at a charge no more
than the cost of distribution to the recipient; and
(b) You may distribute such Executable Form under the terms of this
License, or sublicense it under different terms, provided that the
license for the Executable Form does not attempt to limit or alter
the recipients' rights in the Source Code Form under this License.
3.3. Distribution of a Larger Work
You may create and distribute a Larger Work under terms of Your choice,
provided that You also comply with the requirements of this License for
the Covered Software. If the Larger Work is a combination of Covered
Software with a work governed by one or more Secondary Licenses, and the
Covered Software is not Incompatible With Secondary Licenses, this
License permits You to additionally distribute such Covered Software
under the terms of such Secondary License(s), so that the recipient of
the Larger Work may, at their option, further distribute the Covered
Software under the terms of either this License or such Secondary
License(s).
3.4. Notices
You may not remove or alter the substance of any license notices
(including copyright notices, patent notices, disclaimers of warranty,
or limitations of liability) contained within the Source Code Form of
the Covered Software, except that You may alter any license notices to
the extent required to remedy known factual inaccuracies.
3.5. Application of Additional Terms
You may choose to offer, and to charge a fee for, warranty, support,
indemnity or liability obligations to one or more recipients of Covered
Software. However, You may do so only on Your own behalf, and not on
behalf of any Contributor. You must make it absolutely clear that any
such warranty, support, indemnity, or liability obligation is offered by
You alone, and You hereby agree to indemnify every Contributor for any
liability incurred by such Contributor as a result of warranty, support,
indemnity or liability terms You offer. You may include additional
disclaimers of warranty and limitations of liability specific to any
jurisdiction.
4. Inability to Comply Due to Statute or Regulation
---------------------------------------------------
If it is impossible for You to comply with any of the terms of this
License with respect to some or all of the Covered Software due to
statute, judicial order, or regulation then You must: (a) comply with
the terms of this License to the maximum extent possible; and (b)
describe the limitations and the code they affect. Such description must
be placed in a text file included with all distributions of the Covered
Software under this License. Except to the extent prohibited by statute
or regulation, such description must be sufficiently detailed for a
recipient of ordinary skill to be able to understand it.
5. Termination
--------------
5.1. The rights granted under this License will terminate automatically
if You fail to comply with any of its terms. However, if You become
compliant, then the rights granted under this License from a particular
Contributor are reinstated (a) provisionally, unless and until such
Contributor explicitly and finally terminates Your grants, and (b) on an
ongoing basis, if such Contributor fails to notify You of the
non-compliance by some reasonable means prior to 60 days after You have
come back into compliance. Moreover, Your grants from a particular
Contributor are reinstated on an ongoing basis if such Contributor
notifies You of the non-compliance by some reasonable means, this is the
first time You have received notice of non-compliance with this License
from such Contributor, and You become compliant prior to 30 days after
Your receipt of the notice.
5.2. If You initiate litigation against any entity by asserting a patent
infringement claim (excluding declaratory judgment actions,
counter-claims, and cross-claims) alleging that a Contributor Version
directly or indirectly infringes any patent, then the rights granted to
You by any and all Contributors for the Covered Software under Section
2.1 of this License shall terminate.
5.3. In the event of termination under Sections 5.1 or 5.2 above, all
end user license agreements (excluding distributors and resellers) which
have been validly granted by You or Your distributors under this License
prior to termination shall survive termination.
************************************************************************
* *
* 6. Disclaimer of Warranty *
* ------------------------- *
* *
* Covered Software is provided under this License on an "as is" *
* basis, without warranty of any kind, either expressed, implied, or *
* statutory, including, without limitation, warranties that the *
* Covered Software is free of defects, merchantable, fit for a *
* particular purpose or non-infringing. The entire risk as to the *
* quality and performance of the Covered Software is with You. *
* Should any Covered Software prove defective in any respect, You *
* (not any Contributor) assume the cost of any necessary servicing, *
* repair, or correction. This disclaimer of warranty constitutes an *
* essential part of this License. No use of any Covered Software is *
* authorized under this License except under this disclaimer. *
* *
************************************************************************
************************************************************************
* *
* 7. Limitation of Liability *
* -------------------------- *
* *
* Under no circumstances and under no legal theory, whether tort *
* (including negligence), contract, or otherwise, shall any *
* Contributor, or anyone who distributes Covered Software as *
* permitted above, be liable to You for any direct, indirect, *
* special, incidental, or consequential damages of any character *
* including, without limitation, damages for lost profits, loss of *
* goodwill, work stoppage, computer failure or malfunction, or any *
* and all other commercial damages or losses, even if such party *
* shall have been informed of the possibility of such damages. This *
* limitation of liability shall not apply to liability for death or *
* personal injury resulting from such party's negligence to the *
* extent applicable law prohibits such limitation. Some *
* jurisdictions do not allow the exclusion or limitation of *
* incidental or consequential damages, so this exclusion and *
* limitation may not apply to You. *
* *
************************************************************************
8. Litigation
-------------
Any litigation relating to this License may be brought only in the
courts of a jurisdiction where the defendant maintains its principal
place of business and such litigation shall be governed by laws of that
jurisdiction, without reference to its conflict-of-law provisions.
Nothing in this Section shall prevent a party's ability to bring
cross-claims or counter-claims.
9. Miscellaneous
----------------
This License represents the complete agreement concerning the subject
matter hereof. If any provision of this License is held to be
unenforceable, such provision shall be reformed only to the extent
necessary to make it enforceable. Any law or regulation which provides
that the language of a contract shall be construed against the drafter
shall not be used to construe this License against a Contributor.
10. Versions of the License
---------------------------
10.1. New Versions
Mozilla Foundation is the license steward. Except as provided in Section
10.3, no one other than the license steward has the right to modify or
publish new versions of this License. Each version will be given a
distinguishing version number.
10.2. Effect of New Versions
You may distribute the Covered Software under the terms of the version
of the License under which You originally received the Covered Software,
or under the terms of any subsequent version published by the license
steward.
10.3. Modified Versions
If you create software not governed by this License, and you want to
create a new license for such software, you may create and use a
modified version of this License if you rename the license and remove
any references to the name of the license steward (except to note that
such modified license differs from this License).
10.4. Distributing Source Code Form that is Incompatible With Secondary
Licenses
If You choose to distribute Source Code Form that is Incompatible With
Secondary Licenses under the terms of this version of the License, the
notice described in Exhibit B of this License must be attached.
Exhibit A - Source Code Form License Notice
-------------------------------------------
This Source Code Form is subject to the terms of the Mozilla Public
License, v. 2.0. If a copy of the MPL was not distributed with this
file, You can obtain one at http://mozilla.org/MPL/2.0/.
If it is not possible or desirable to put the notice in a particular
file, then You may include the notice in a location (such as a LICENSE
file in a relevant directory) where a recipient would be likely to look
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---------------------------------------------------------
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defined by the Mozilla Public License, v. 2.0.

531
vendor/github.com/go-sql-driver/mysql/README.md generated vendored
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@ -1,531 +0,0 @@
# Go-MySQL-Driver
A MySQL-Driver for Go's [database/sql](https://golang.org/pkg/database/sql/) package
![Go-MySQL-Driver logo](https://raw.github.com/wiki/go-sql-driver/mysql/gomysql_m.png "Golang Gopher holding the MySQL Dolphin")
---------------------------------------
* [Features](#features)
* [Requirements](#requirements)
* [Installation](#installation)
* [Usage](#usage)
* [DSN (Data Source Name)](#dsn-data-source-name)
* [Password](#password)
* [Protocol](#protocol)
* [Address](#address)
* [Parameters](#parameters)
* [Examples](#examples)
* [Connection pool and timeouts](#connection-pool-and-timeouts)
* [context.Context Support](#contextcontext-support)
* [ColumnType Support](#columntype-support)
* [LOAD DATA LOCAL INFILE support](#load-data-local-infile-support)
* [time.Time support](#timetime-support)
* [Unicode support](#unicode-support)
* [Testing / Development](#testing--development)
* [License](#license)
---------------------------------------
## Features
* Lightweight and [fast](https://github.com/go-sql-driver/sql-benchmark "golang MySQL-Driver performance")
* Native Go implementation. No C-bindings, just pure Go
* Connections over TCP/IPv4, TCP/IPv6, Unix domain sockets or [custom protocols](https://godoc.org/github.com/go-sql-driver/mysql#DialFunc)
* Automatic handling of broken connections
* Automatic Connection Pooling *(by database/sql package)*
* Supports queries larger than 16MB
* Full [`sql.RawBytes`](https://golang.org/pkg/database/sql/#RawBytes) support.
* Intelligent `LONG DATA` handling in prepared statements
* Secure `LOAD DATA LOCAL INFILE` support with file allowlisting and `io.Reader` support
* Optional `time.Time` parsing
* Optional placeholder interpolation
## Requirements
* Go 1.13 or higher. We aim to support the 3 latest versions of Go.
* MySQL (4.1+), MariaDB, Percona Server, Google CloudSQL or Sphinx (2.2.3+)
---------------------------------------
## Installation
Simple install the package to your [$GOPATH](https://github.com/golang/go/wiki/GOPATH "GOPATH") with the [go tool](https://golang.org/cmd/go/ "go command") from shell:
```bash
$ go get -u github.com/go-sql-driver/mysql
```
Make sure [Git is installed](https://git-scm.com/downloads) on your machine and in your system's `PATH`.
## Usage
_Go MySQL Driver_ is an implementation of Go's `database/sql/driver` interface. You only need to import the driver and can use the full [`database/sql`](https://golang.org/pkg/database/sql/) API then.
Use `mysql` as `driverName` and a valid [DSN](#dsn-data-source-name) as `dataSourceName`:
```go
import (
"database/sql"
"time"
_ "github.com/go-sql-driver/mysql"
)
// ...
db, err := sql.Open("mysql", "user:password@/dbname")
if err != nil {
panic(err)
}
// See "Important settings" section.
db.SetConnMaxLifetime(time.Minute * 3)
db.SetMaxOpenConns(10)
db.SetMaxIdleConns(10)
```
[Examples are available in our Wiki](https://github.com/go-sql-driver/mysql/wiki/Examples "Go-MySQL-Driver Examples").
### Important settings
`db.SetConnMaxLifetime()` is required to ensure connections are closed by the driver safely before connection is closed by MySQL server, OS, or other middlewares. Since some middlewares close idle connections by 5 minutes, we recommend timeout shorter than 5 minutes. This setting helps load balancing and changing system variables too.
`db.SetMaxOpenConns()` is highly recommended to limit the number of connection used by the application. There is no recommended limit number because it depends on application and MySQL server.
`db.SetMaxIdleConns()` is recommended to be set same to `db.SetMaxOpenConns()`. When it is smaller than `SetMaxOpenConns()`, connections can be opened and closed much more frequently than you expect. Idle connections can be closed by the `db.SetConnMaxLifetime()`. If you want to close idle connections more rapidly, you can use `db.SetConnMaxIdleTime()` since Go 1.15.
### DSN (Data Source Name)
The Data Source Name has a common format, like e.g. [PEAR DB](http://pear.php.net/manual/en/package.database.db.intro-dsn.php) uses it, but without type-prefix (optional parts marked by squared brackets):
```
[username[:password]@][protocol[(address)]]/dbname[?param1=value1&...&paramN=valueN]
```
A DSN in its fullest form:
```
username:password@protocol(address)/dbname?param=value
```
Except for the databasename, all values are optional. So the minimal DSN is:
```
/dbname
```
If you do not want to preselect a database, leave `dbname` empty:
```
/
```
This has the same effect as an empty DSN string:
```
```
Alternatively, [Config.FormatDSN](https://godoc.org/github.com/go-sql-driver/mysql#Config.FormatDSN) can be used to create a DSN string by filling a struct.
#### Password
Passwords can consist of any character. Escaping is **not** necessary.
#### Protocol
See [net.Dial](https://golang.org/pkg/net/#Dial) for more information which networks are available.
In general you should use an Unix domain socket if available and TCP otherwise for best performance.
#### Address
For TCP and UDP networks, addresses have the form `host[:port]`.
If `port` is omitted, the default port will be used.
If `host` is a literal IPv6 address, it must be enclosed in square brackets.
The functions [net.JoinHostPort](https://golang.org/pkg/net/#JoinHostPort) and [net.SplitHostPort](https://golang.org/pkg/net/#SplitHostPort) manipulate addresses in this form.
For Unix domain sockets the address is the absolute path to the MySQL-Server-socket, e.g. `/var/run/mysqld/mysqld.sock` or `/tmp/mysql.sock`.
#### Parameters
*Parameters are case-sensitive!*
Notice that any of `true`, `TRUE`, `True` or `1` is accepted to stand for a true boolean value. Not surprisingly, false can be specified as any of: `false`, `FALSE`, `False` or `0`.
##### `allowAllFiles`
```
Type: bool
Valid Values: true, false
Default: false
```
`allowAllFiles=true` disables the file allowlist for `LOAD DATA LOCAL INFILE` and allows *all* files.
[*Might be insecure!*](http://dev.mysql.com/doc/refman/5.7/en/load-data-local.html)
##### `allowCleartextPasswords`
```
Type: bool
Valid Values: true, false
Default: false
```
`allowCleartextPasswords=true` allows using the [cleartext client side plugin](https://dev.mysql.com/doc/en/cleartext-pluggable-authentication.html) if required by an account, such as one defined with the [PAM authentication plugin](http://dev.mysql.com/doc/en/pam-authentication-plugin.html). Sending passwords in clear text may be a security problem in some configurations. To avoid problems if there is any possibility that the password would be intercepted, clients should connect to MySQL Server using a method that protects the password. Possibilities include [TLS / SSL](#tls), IPsec, or a private network.
##### `allowFallbackToPlaintext`
```
Type: bool
Valid Values: true, false
Default: false
```
`allowFallbackToPlaintext=true` acts like a `--ssl-mode=PREFERRED` MySQL client as described in [Command Options for Connecting to the Server](https://dev.mysql.com/doc/refman/5.7/en/connection-options.html#option_general_ssl-mode)
##### `allowNativePasswords`
```
Type: bool
Valid Values: true, false
Default: true
```
`allowNativePasswords=false` disallows the usage of MySQL native password method.
##### `allowOldPasswords`
```
Type: bool
Valid Values: true, false
Default: false
```
`allowOldPasswords=true` allows the usage of the insecure old password method. This should be avoided, but is necessary in some cases. See also [the old_passwords wiki page](https://github.com/go-sql-driver/mysql/wiki/old_passwords).
##### `charset`
```
Type: string
Valid Values: <name>
Default: none
```
Sets the charset used for client-server interaction (`"SET NAMES <value>"`). If multiple charsets are set (separated by a comma), the following charset is used if setting the charset failes. This enables for example support for `utf8mb4` ([introduced in MySQL 5.5.3](http://dev.mysql.com/doc/refman/5.5/en/charset-unicode-utf8mb4.html)) with fallback to `utf8` for older servers (`charset=utf8mb4,utf8`).
Usage of the `charset` parameter is discouraged because it issues additional queries to the server.
Unless you need the fallback behavior, please use `collation` instead.
##### `checkConnLiveness`
```
Type: bool
Valid Values: true, false
Default: true
```
On supported platforms connections retrieved from the connection pool are checked for liveness before using them. If the check fails, the respective connection is marked as bad and the query retried with another connection.
`checkConnLiveness=false` disables this liveness check of connections.
##### `collation`
```
Type: string
Valid Values: <name>
Default: utf8mb4_general_ci
```
Sets the collation used for client-server interaction on connection. In contrast to `charset`, `collation` does not issue additional queries. If the specified collation is unavailable on the target server, the connection will fail.
A list of valid charsets for a server is retrievable with `SHOW COLLATION`.
The default collation (`utf8mb4_general_ci`) is supported from MySQL 5.5. You should use an older collation (e.g. `utf8_general_ci`) for older MySQL.
Collations for charset "ucs2", "utf16", "utf16le", and "utf32" can not be used ([ref](https://dev.mysql.com/doc/refman/5.7/en/charset-connection.html#charset-connection-impermissible-client-charset)).
##### `clientFoundRows`
```
Type: bool
Valid Values: true, false
Default: false
```
`clientFoundRows=true` causes an UPDATE to return the number of matching rows instead of the number of rows changed.
##### `columnsWithAlias`
```
Type: bool
Valid Values: true, false
Default: false
```
When `columnsWithAlias` is true, calls to `sql.Rows.Columns()` will return the table alias and the column name separated by a dot. For example:
```
SELECT u.id FROM users as u
```
will return `u.id` instead of just `id` if `columnsWithAlias=true`.
##### `interpolateParams`
```
Type: bool
Valid Values: true, false
Default: false
```
If `interpolateParams` is true, placeholders (`?`) in calls to `db.Query()` and `db.Exec()` are interpolated into a single query string with given parameters. This reduces the number of roundtrips, since the driver has to prepare a statement, execute it with given parameters and close the statement again with `interpolateParams=false`.
*This can not be used together with the multibyte encodings BIG5, CP932, GB2312, GBK or SJIS. These are rejected as they may [introduce a SQL injection vulnerability](http://stackoverflow.com/a/12118602/3430118)!*
##### `loc`
```
Type: string
Valid Values: <escaped name>
Default: UTC
```
Sets the location for time.Time values (when using `parseTime=true`). *"Local"* sets the system's location. See [time.LoadLocation](https://golang.org/pkg/time/#LoadLocation) for details.
Note that this sets the location for time.Time values but does not change MySQL's [time_zone setting](https://dev.mysql.com/doc/refman/5.5/en/time-zone-support.html). For that see the [time_zone system variable](#system-variables), which can also be set as a DSN parameter.
Please keep in mind, that param values must be [url.QueryEscape](https://golang.org/pkg/net/url/#QueryEscape)'ed. Alternatively you can manually replace the `/` with `%2F`. For example `US/Pacific` would be `loc=US%2FPacific`.
##### `maxAllowedPacket`
```
Type: decimal number
Default: 64*1024*1024
```
Max packet size allowed in bytes. The default value is 64 MiB and should be adjusted to match the server settings. `maxAllowedPacket=0` can be used to automatically fetch the `max_allowed_packet` variable from server *on every connection*.
##### `multiStatements`
```
Type: bool
Valid Values: true, false
Default: false
```
Allow multiple statements in one query. While this allows batch queries, it also greatly increases the risk of SQL injections. Only the result of the first query is returned, all other results are silently discarded.
When `multiStatements` is used, `?` parameters must only be used in the first statement.
##### `parseTime`
```
Type: bool
Valid Values: true, false
Default: false
```
`parseTime=true` changes the output type of `DATE` and `DATETIME` values to `time.Time` instead of `[]byte` / `string`
The date or datetime like `0000-00-00 00:00:00` is converted into zero value of `time.Time`.
##### `readTimeout`
```
Type: duration
Default: 0
```
I/O read timeout. The value must be a decimal number with a unit suffix (*"ms"*, *"s"*, *"m"*, *"h"*), such as *"30s"*, *"0.5m"* or *"1m30s"*.
##### `rejectReadOnly`
```
Type: bool
Valid Values: true, false
Default: false
```
`rejectReadOnly=true` causes the driver to reject read-only connections. This
is for a possible race condition during an automatic failover, where the mysql
client gets connected to a read-only replica after the failover.
Note that this should be a fairly rare case, as an automatic failover normally
happens when the primary is down, and the race condition shouldn't happen
unless it comes back up online as soon as the failover is kicked off. On the
other hand, when this happens, a MySQL application can get stuck on a
read-only connection until restarted. It is however fairly easy to reproduce,
for example, using a manual failover on AWS Aurora's MySQL-compatible cluster.
If you are not relying on read-only transactions to reject writes that aren't
supposed to happen, setting this on some MySQL providers (such as AWS Aurora)
is safer for failovers.
Note that ERROR 1290 can be returned for a `read-only` server and this option will
cause a retry for that error. However the same error number is used for some
other cases. You should ensure your application will never cause an ERROR 1290
except for `read-only` mode when enabling this option.
##### `serverPubKey`
```
Type: string
Valid Values: <name>
Default: none
```
Server public keys can be registered with [`mysql.RegisterServerPubKey`](https://godoc.org/github.com/go-sql-driver/mysql#RegisterServerPubKey), which can then be used by the assigned name in the DSN.
Public keys are used to transmit encrypted data, e.g. for authentication.
If the server's public key is known, it should be set manually to avoid expensive and potentially insecure transmissions of the public key from the server to the client each time it is required.
##### `timeout`
```
Type: duration
Default: OS default
```
Timeout for establishing connections, aka dial timeout. The value must be a decimal number with a unit suffix (*"ms"*, *"s"*, *"m"*, *"h"*), such as *"30s"*, *"0.5m"* or *"1m30s"*.
##### `tls`
```
Type: bool / string
Valid Values: true, false, skip-verify, preferred, <name>
Default: false
```
`tls=true` enables TLS / SSL encrypted connection to the server. Use `skip-verify` if you want to use a self-signed or invalid certificate (server side) or use `preferred` to use TLS only when advertised by the server. This is similar to `skip-verify`, but additionally allows a fallback to a connection which is not encrypted. Neither `skip-verify` nor `preferred` add any reliable security. You can use a custom TLS config after registering it with [`mysql.RegisterTLSConfig`](https://godoc.org/github.com/go-sql-driver/mysql#RegisterTLSConfig).
##### `writeTimeout`
```
Type: duration
Default: 0
```
I/O write timeout. The value must be a decimal number with a unit suffix (*"ms"*, *"s"*, *"m"*, *"h"*), such as *"30s"*, *"0.5m"* or *"1m30s"*.
##### System Variables
Any other parameters are interpreted as system variables:
* `<boolean_var>=<value>`: `SET <boolean_var>=<value>`
* `<enum_var>=<value>`: `SET <enum_var>=<value>`
* `<string_var>=%27<value>%27`: `SET <string_var>='<value>'`
Rules:
* The values for string variables must be quoted with `'`.
* The values must also be [url.QueryEscape](http://golang.org/pkg/net/url/#QueryEscape)'ed!
(which implies values of string variables must be wrapped with `%27`).
Examples:
* `autocommit=1`: `SET autocommit=1`
* [`time_zone=%27Europe%2FParis%27`](https://dev.mysql.com/doc/refman/5.5/en/time-zone-support.html): `SET time_zone='Europe/Paris'`
* [`transaction_isolation=%27REPEATABLE-READ%27`](https://dev.mysql.com/doc/refman/5.7/en/server-system-variables.html#sysvar_transaction_isolation): `SET transaction_isolation='REPEATABLE-READ'`
#### Examples
```
user@unix(/path/to/socket)/dbname
```
```
root:pw@unix(/tmp/mysql.sock)/myDatabase?loc=Local
```
```
user:password@tcp(localhost:5555)/dbname?tls=skip-verify&autocommit=true
```
Treat warnings as errors by setting the system variable [`sql_mode`](https://dev.mysql.com/doc/refman/5.7/en/sql-mode.html):
```
user:password@/dbname?sql_mode=TRADITIONAL
```
TCP via IPv6:
```
user:password@tcp([de:ad:be:ef::ca:fe]:80)/dbname?timeout=90s&collation=utf8mb4_unicode_ci
```
TCP on a remote host, e.g. Amazon RDS:
```
id:password@tcp(your-amazonaws-uri.com:3306)/dbname
```
Google Cloud SQL on App Engine:
```
user:password@unix(/cloudsql/project-id:region-name:instance-name)/dbname
```
TCP using default port (3306) on localhost:
```
user:password@tcp/dbname?charset=utf8mb4,utf8&sys_var=esc%40ped
```
Use the default protocol (tcp) and host (localhost:3306):
```
user:password@/dbname
```
No Database preselected:
```
user:password@/
```
### Connection pool and timeouts
The connection pool is managed by Go's database/sql package. For details on how to configure the size of the pool and how long connections stay in the pool see `*DB.SetMaxOpenConns`, `*DB.SetMaxIdleConns`, and `*DB.SetConnMaxLifetime` in the [database/sql documentation](https://golang.org/pkg/database/sql/). The read, write, and dial timeouts for each individual connection are configured with the DSN parameters [`readTimeout`](#readtimeout), [`writeTimeout`](#writetimeout), and [`timeout`](#timeout), respectively.
## `ColumnType` Support
This driver supports the [`ColumnType` interface](https://golang.org/pkg/database/sql/#ColumnType) introduced in Go 1.8, with the exception of [`ColumnType.Length()`](https://golang.org/pkg/database/sql/#ColumnType.Length), which is currently not supported. All Unsigned database type names will be returned `UNSIGNED ` with `INT`, `TINYINT`, `SMALLINT`, `BIGINT`.
## `context.Context` Support
Go 1.8 added `database/sql` support for `context.Context`. This driver supports query timeouts and cancellation via contexts.
See [context support in the database/sql package](https://golang.org/doc/go1.8#database_sql) for more details.
### `LOAD DATA LOCAL INFILE` support
For this feature you need direct access to the package. Therefore you must change the import path (no `_`):
```go
import "github.com/go-sql-driver/mysql"
```
Files must be explicitly allowed by registering them with `mysql.RegisterLocalFile(filepath)` (recommended) or the allowlist check must be deactivated by using the DSN parameter `allowAllFiles=true` ([*Might be insecure!*](http://dev.mysql.com/doc/refman/5.7/en/load-data-local.html)).
To use a `io.Reader` a handler function must be registered with `mysql.RegisterReaderHandler(name, handler)` which returns a `io.Reader` or `io.ReadCloser`. The Reader is available with the filepath `Reader::<name>` then. Choose different names for different handlers and `DeregisterReaderHandler` when you don't need it anymore.
See the [godoc of Go-MySQL-Driver](https://godoc.org/github.com/go-sql-driver/mysql "golang mysql driver documentation") for details.
### `time.Time` support
The default internal output type of MySQL `DATE` and `DATETIME` values is `[]byte` which allows you to scan the value into a `[]byte`, `string` or `sql.RawBytes` variable in your program.
However, many want to scan MySQL `DATE` and `DATETIME` values into `time.Time` variables, which is the logical equivalent in Go to `DATE` and `DATETIME` in MySQL. You can do that by changing the internal output type from `[]byte` to `time.Time` with the DSN parameter `parseTime=true`. You can set the default [`time.Time` location](https://golang.org/pkg/time/#Location) with the `loc` DSN parameter.
**Caution:** As of Go 1.1, this makes `time.Time` the only variable type you can scan `DATE` and `DATETIME` values into. This breaks for example [`sql.RawBytes` support](https://github.com/go-sql-driver/mysql/wiki/Examples#rawbytes).
### Unicode support
Since version 1.5 Go-MySQL-Driver automatically uses the collation ` utf8mb4_general_ci` by default.
Other collations / charsets can be set using the [`collation`](#collation) DSN parameter.
Version 1.0 of the driver recommended adding `&charset=utf8` (alias for `SET NAMES utf8`) to the DSN to enable proper UTF-8 support. This is not necessary anymore. The [`collation`](#collation) parameter should be preferred to set another collation / charset than the default.
See http://dev.mysql.com/doc/refman/8.0/en/charset-unicode.html for more details on MySQL's Unicode support.
## Testing / Development
To run the driver tests you may need to adjust the configuration. See the [Testing Wiki-Page](https://github.com/go-sql-driver/mysql/wiki/Testing "Testing") for details.
Go-MySQL-Driver is not feature-complete yet. Your help is very appreciated.
If you want to contribute, you can work on an [open issue](https://github.com/go-sql-driver/mysql/issues?state=open) or review a [pull request](https://github.com/go-sql-driver/mysql/pulls).
See the [Contribution Guidelines](https://github.com/go-sql-driver/mysql/blob/master/.github/CONTRIBUTING.md) for details.
---------------------------------------
## License
Go-MySQL-Driver is licensed under the [Mozilla Public License Version 2.0](https://raw.github.com/go-sql-driver/mysql/master/LICENSE)
Mozilla summarizes the license scope as follows:
> MPL: The copyleft applies to any files containing MPLed code.
That means:
* You can **use** the **unchanged** source code both in private and commercially.
* When distributing, you **must publish** the source code of any **changed files** licensed under the MPL 2.0 under a) the MPL 2.0 itself or b) a compatible license (e.g. GPL 3.0 or Apache License 2.0).
* You **needn't publish** the source code of your library as long as the files licensed under the MPL 2.0 are **unchanged**.
Please read the [MPL 2.0 FAQ](https://www.mozilla.org/en-US/MPL/2.0/FAQ/) if you have further questions regarding the license.
You can read the full terms here: [LICENSE](https://raw.github.com/go-sql-driver/mysql/master/LICENSE).
![Go Gopher and MySQL Dolphin](https://raw.github.com/wiki/go-sql-driver/mysql/go-mysql-driver_m.jpg "Golang Gopher transporting the MySQL Dolphin in a wheelbarrow")

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// Go MySQL Driver - A MySQL-Driver for Go's database/sql package.
//
// Copyright 2022 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
//go:build go1.19
// +build go1.19
package mysql
import "sync/atomic"
/******************************************************************************
* Sync utils *
******************************************************************************/
type atomicBool = atomic.Bool

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// Go MySQL Driver - A MySQL-Driver for Go's database/sql package.
//
// Copyright 2022 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
//go:build !go1.19
// +build !go1.19
package mysql
import "sync/atomic"
/******************************************************************************
* Sync utils *
******************************************************************************/
// atomicBool is an implementation of atomic.Bool for older version of Go.
// it is a wrapper around uint32 for usage as a boolean value with
// atomic access.
type atomicBool struct {
_ noCopy
value uint32
}
// Load returns whether the current boolean value is true
func (ab *atomicBool) Load() bool {
return atomic.LoadUint32(&ab.value) > 0
}
// Store sets the value of the bool regardless of the previous value
func (ab *atomicBool) Store(value bool) {
if value {
atomic.StoreUint32(&ab.value, 1)
} else {
atomic.StoreUint32(&ab.value, 0)
}
}
// Swap sets the value of the bool and returns the old value.
func (ab *atomicBool) Swap(value bool) bool {
if value {
return atomic.SwapUint32(&ab.value, 1) > 0
}
return atomic.SwapUint32(&ab.value, 0) > 0
}

437
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@ -1,437 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2018 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"crypto/rand"
"crypto/rsa"
"crypto/sha1"
"crypto/sha256"
"crypto/x509"
"encoding/pem"
"fmt"
"sync"
)
// server pub keys registry
var (
serverPubKeyLock sync.RWMutex
serverPubKeyRegistry map[string]*rsa.PublicKey
)
// RegisterServerPubKey registers a server RSA public key which can be used to
// send data in a secure manner to the server without receiving the public key
// in a potentially insecure way from the server first.
// Registered keys can afterwards be used adding serverPubKey=<name> to the DSN.
//
// Note: The provided rsa.PublicKey instance is exclusively owned by the driver
// after registering it and may not be modified.
//
// data, err := ioutil.ReadFile("mykey.pem")
// if err != nil {
// log.Fatal(err)
// }
//
// block, _ := pem.Decode(data)
// if block == nil || block.Type != "PUBLIC KEY" {
// log.Fatal("failed to decode PEM block containing public key")
// }
//
// pub, err := x509.ParsePKIXPublicKey(block.Bytes)
// if err != nil {
// log.Fatal(err)
// }
//
// if rsaPubKey, ok := pub.(*rsa.PublicKey); ok {
// mysql.RegisterServerPubKey("mykey", rsaPubKey)
// } else {
// log.Fatal("not a RSA public key")
// }
func RegisterServerPubKey(name string, pubKey *rsa.PublicKey) {
serverPubKeyLock.Lock()
if serverPubKeyRegistry == nil {
serverPubKeyRegistry = make(map[string]*rsa.PublicKey)
}
serverPubKeyRegistry[name] = pubKey
serverPubKeyLock.Unlock()
}
// DeregisterServerPubKey removes the public key registered with the given name.
func DeregisterServerPubKey(name string) {
serverPubKeyLock.Lock()
if serverPubKeyRegistry != nil {
delete(serverPubKeyRegistry, name)
}
serverPubKeyLock.Unlock()
}
func getServerPubKey(name string) (pubKey *rsa.PublicKey) {
serverPubKeyLock.RLock()
if v, ok := serverPubKeyRegistry[name]; ok {
pubKey = v
}
serverPubKeyLock.RUnlock()
return
}
// Hash password using pre 4.1 (old password) method
// https://github.com/atcurtis/mariadb/blob/master/mysys/my_rnd.c
type myRnd struct {
seed1, seed2 uint32
}
const myRndMaxVal = 0x3FFFFFFF
// Pseudo random number generator
func newMyRnd(seed1, seed2 uint32) *myRnd {
return &myRnd{
seed1: seed1 % myRndMaxVal,
seed2: seed2 % myRndMaxVal,
}
}
// Tested to be equivalent to MariaDB's floating point variant
// http://play.golang.org/p/QHvhd4qved
// http://play.golang.org/p/RG0q4ElWDx
func (r *myRnd) NextByte() byte {
r.seed1 = (r.seed1*3 + r.seed2) % myRndMaxVal
r.seed2 = (r.seed1 + r.seed2 + 33) % myRndMaxVal
return byte(uint64(r.seed1) * 31 / myRndMaxVal)
}
// Generate binary hash from byte string using insecure pre 4.1 method
func pwHash(password []byte) (result [2]uint32) {
var add uint32 = 7
var tmp uint32
result[0] = 1345345333
result[1] = 0x12345671
for _, c := range password {
// skip spaces and tabs in password
if c == ' ' || c == '\t' {
continue
}
tmp = uint32(c)
result[0] ^= (((result[0] & 63) + add) * tmp) + (result[0] << 8)
result[1] += (result[1] << 8) ^ result[0]
add += tmp
}
// Remove sign bit (1<<31)-1)
result[0] &= 0x7FFFFFFF
result[1] &= 0x7FFFFFFF
return
}
// Hash password using insecure pre 4.1 method
func scrambleOldPassword(scramble []byte, password string) []byte {
scramble = scramble[:8]
hashPw := pwHash([]byte(password))
hashSc := pwHash(scramble)
r := newMyRnd(hashPw[0]^hashSc[0], hashPw[1]^hashSc[1])
var out [8]byte
for i := range out {
out[i] = r.NextByte() + 64
}
mask := r.NextByte()
for i := range out {
out[i] ^= mask
}
return out[:]
}
// Hash password using 4.1+ method (SHA1)
func scramblePassword(scramble []byte, password string) []byte {
if len(password) == 0 {
return nil
}
// stage1Hash = SHA1(password)
crypt := sha1.New()
crypt.Write([]byte(password))
stage1 := crypt.Sum(nil)
// scrambleHash = SHA1(scramble + SHA1(stage1Hash))
// inner Hash
crypt.Reset()
crypt.Write(stage1)
hash := crypt.Sum(nil)
// outer Hash
crypt.Reset()
crypt.Write(scramble)
crypt.Write(hash)
scramble = crypt.Sum(nil)
// token = scrambleHash XOR stage1Hash
for i := range scramble {
scramble[i] ^= stage1[i]
}
return scramble
}
// Hash password using MySQL 8+ method (SHA256)
func scrambleSHA256Password(scramble []byte, password string) []byte {
if len(password) == 0 {
return nil
}
// XOR(SHA256(password), SHA256(SHA256(SHA256(password)), scramble))
crypt := sha256.New()
crypt.Write([]byte(password))
message1 := crypt.Sum(nil)
crypt.Reset()
crypt.Write(message1)
message1Hash := crypt.Sum(nil)
crypt.Reset()
crypt.Write(message1Hash)
crypt.Write(scramble)
message2 := crypt.Sum(nil)
for i := range message1 {
message1[i] ^= message2[i]
}
return message1
}
func encryptPassword(password string, seed []byte, pub *rsa.PublicKey) ([]byte, error) {
plain := make([]byte, len(password)+1)
copy(plain, password)
for i := range plain {
j := i % len(seed)
plain[i] ^= seed[j]
}
sha1 := sha1.New()
return rsa.EncryptOAEP(sha1, rand.Reader, pub, plain, nil)
}
func (mc *mysqlConn) sendEncryptedPassword(seed []byte, pub *rsa.PublicKey) error {
enc, err := encryptPassword(mc.cfg.Passwd, seed, pub)
if err != nil {
return err
}
return mc.writeAuthSwitchPacket(enc)
}
func (mc *mysqlConn) auth(authData []byte, plugin string) ([]byte, error) {
switch plugin {
case "caching_sha2_password":
authResp := scrambleSHA256Password(authData, mc.cfg.Passwd)
return authResp, nil
case "mysql_old_password":
if !mc.cfg.AllowOldPasswords {
return nil, ErrOldPassword
}
if len(mc.cfg.Passwd) == 0 {
return nil, nil
}
// Note: there are edge cases where this should work but doesn't;
// this is currently "wontfix":
// https://github.com/go-sql-driver/mysql/issues/184
authResp := append(scrambleOldPassword(authData[:8], mc.cfg.Passwd), 0)
return authResp, nil
case "mysql_clear_password":
if !mc.cfg.AllowCleartextPasswords {
return nil, ErrCleartextPassword
}
// http://dev.mysql.com/doc/refman/5.7/en/cleartext-authentication-plugin.html
// http://dev.mysql.com/doc/refman/5.7/en/pam-authentication-plugin.html
return append([]byte(mc.cfg.Passwd), 0), nil
case "mysql_native_password":
if !mc.cfg.AllowNativePasswords {
return nil, ErrNativePassword
}
// https://dev.mysql.com/doc/internals/en/secure-password-authentication.html
// Native password authentication only need and will need 20-byte challenge.
authResp := scramblePassword(authData[:20], mc.cfg.Passwd)
return authResp, nil
case "sha256_password":
if len(mc.cfg.Passwd) == 0 {
return []byte{0}, nil
}
// unlike caching_sha2_password, sha256_password does not accept
// cleartext password on unix transport.
if mc.cfg.TLS != nil {
// write cleartext auth packet
return append([]byte(mc.cfg.Passwd), 0), nil
}
pubKey := mc.cfg.pubKey
if pubKey == nil {
// request public key from server
return []byte{1}, nil
}
// encrypted password
enc, err := encryptPassword(mc.cfg.Passwd, authData, pubKey)
return enc, err
default:
errLog.Print("unknown auth plugin:", plugin)
return nil, ErrUnknownPlugin
}
}
func (mc *mysqlConn) handleAuthResult(oldAuthData []byte, plugin string) error {
// Read Result Packet
authData, newPlugin, err := mc.readAuthResult()
if err != nil {
return err
}
// handle auth plugin switch, if requested
if newPlugin != "" {
// If CLIENT_PLUGIN_AUTH capability is not supported, no new cipher is
// sent and we have to keep using the cipher sent in the init packet.
if authData == nil {
authData = oldAuthData
} else {
// copy data from read buffer to owned slice
copy(oldAuthData, authData)
}
plugin = newPlugin
authResp, err := mc.auth(authData, plugin)
if err != nil {
return err
}
if err = mc.writeAuthSwitchPacket(authResp); err != nil {
return err
}
// Read Result Packet
authData, newPlugin, err = mc.readAuthResult()
if err != nil {
return err
}
// Do not allow to change the auth plugin more than once
if newPlugin != "" {
return ErrMalformPkt
}
}
switch plugin {
// https://insidemysql.com/preparing-your-community-connector-for-mysql-8-part-2-sha256/
case "caching_sha2_password":
switch len(authData) {
case 0:
return nil // auth successful
case 1:
switch authData[0] {
case cachingSha2PasswordFastAuthSuccess:
if err = mc.readResultOK(); err == nil {
return nil // auth successful
}
case cachingSha2PasswordPerformFullAuthentication:
if mc.cfg.TLS != nil || mc.cfg.Net == "unix" {
// write cleartext auth packet
err = mc.writeAuthSwitchPacket(append([]byte(mc.cfg.Passwd), 0))
if err != nil {
return err
}
} else {
pubKey := mc.cfg.pubKey
if pubKey == nil {
// request public key from server
data, err := mc.buf.takeSmallBuffer(4 + 1)
if err != nil {
return err
}
data[4] = cachingSha2PasswordRequestPublicKey
err = mc.writePacket(data)
if err != nil {
return err
}
if data, err = mc.readPacket(); err != nil {
return err
}
if data[0] != iAuthMoreData {
return fmt.Errorf("unexpect resp from server for caching_sha2_password perform full authentication")
}
// parse public key
block, rest := pem.Decode(data[1:])
if block == nil {
return fmt.Errorf("No Pem data found, data: %s", rest)
}
pkix, err := x509.ParsePKIXPublicKey(block.Bytes)
if err != nil {
return err
}
pubKey = pkix.(*rsa.PublicKey)
}
// send encrypted password
err = mc.sendEncryptedPassword(oldAuthData, pubKey)
if err != nil {
return err
}
}
return mc.readResultOK()
default:
return ErrMalformPkt
}
default:
return ErrMalformPkt
}
case "sha256_password":
switch len(authData) {
case 0:
return nil // auth successful
default:
block, _ := pem.Decode(authData)
if block == nil {
return fmt.Errorf("no Pem data found, data: %s", authData)
}
pub, err := x509.ParsePKIXPublicKey(block.Bytes)
if err != nil {
return err
}
// send encrypted password
err = mc.sendEncryptedPassword(oldAuthData, pub.(*rsa.PublicKey))
if err != nil {
return err
}
return mc.readResultOK()
}
default:
return nil // auth successful
}
return err
}

182
vendor/github.com/go-sql-driver/mysql/buffer.go generated vendored
View File

@ -1,182 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2013 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"io"
"net"
"time"
)
const defaultBufSize = 4096
const maxCachedBufSize = 256 * 1024
// A buffer which is used for both reading and writing.
// This is possible since communication on each connection is synchronous.
// In other words, we can't write and read simultaneously on the same connection.
// The buffer is similar to bufio.Reader / Writer but zero-copy-ish
// Also highly optimized for this particular use case.
// This buffer is backed by two byte slices in a double-buffering scheme
type buffer struct {
buf []byte // buf is a byte buffer who's length and capacity are equal.
nc net.Conn
idx int
length int
timeout time.Duration
dbuf [2][]byte // dbuf is an array with the two byte slices that back this buffer
flipcnt uint // flipccnt is the current buffer counter for double-buffering
}
// newBuffer allocates and returns a new buffer.
func newBuffer(nc net.Conn) buffer {
fg := make([]byte, defaultBufSize)
return buffer{
buf: fg,
nc: nc,
dbuf: [2][]byte{fg, nil},
}
}
// flip replaces the active buffer with the background buffer
// this is a delayed flip that simply increases the buffer counter;
// the actual flip will be performed the next time we call `buffer.fill`
func (b *buffer) flip() {
b.flipcnt += 1
}
// fill reads into the buffer until at least _need_ bytes are in it
func (b *buffer) fill(need int) error {
n := b.length
// fill data into its double-buffering target: if we've called
// flip on this buffer, we'll be copying to the background buffer,
// and then filling it with network data; otherwise we'll just move
// the contents of the current buffer to the front before filling it
dest := b.dbuf[b.flipcnt&1]
// grow buffer if necessary to fit the whole packet.
if need > len(dest) {
// Round up to the next multiple of the default size
dest = make([]byte, ((need/defaultBufSize)+1)*defaultBufSize)
// if the allocated buffer is not too large, move it to backing storage
// to prevent extra allocations on applications that perform large reads
if len(dest) <= maxCachedBufSize {
b.dbuf[b.flipcnt&1] = dest
}
}
// if we're filling the fg buffer, move the existing data to the start of it.
// if we're filling the bg buffer, copy over the data
if n > 0 {
copy(dest[:n], b.buf[b.idx:])
}
b.buf = dest
b.idx = 0
for {
if b.timeout > 0 {
if err := b.nc.SetReadDeadline(time.Now().Add(b.timeout)); err != nil {
return err
}
}
nn, err := b.nc.Read(b.buf[n:])
n += nn
switch err {
case nil:
if n < need {
continue
}
b.length = n
return nil
case io.EOF:
if n >= need {
b.length = n
return nil
}
return io.ErrUnexpectedEOF
default:
return err
}
}
}
// returns next N bytes from buffer.
// The returned slice is only guaranteed to be valid until the next read
func (b *buffer) readNext(need int) ([]byte, error) {
if b.length < need {
// refill
if err := b.fill(need); err != nil {
return nil, err
}
}
offset := b.idx
b.idx += need
b.length -= need
return b.buf[offset:b.idx], nil
}
// takeBuffer returns a buffer with the requested size.
// If possible, a slice from the existing buffer is returned.
// Otherwise a bigger buffer is made.
// Only one buffer (total) can be used at a time.
func (b *buffer) takeBuffer(length int) ([]byte, error) {
if b.length > 0 {
return nil, ErrBusyBuffer
}
// test (cheap) general case first
if length <= cap(b.buf) {
return b.buf[:length], nil
}
if length < maxPacketSize {
b.buf = make([]byte, length)
return b.buf, nil
}
// buffer is larger than we want to store.
return make([]byte, length), nil
}
// takeSmallBuffer is shortcut which can be used if length is
// known to be smaller than defaultBufSize.
// Only one buffer (total) can be used at a time.
func (b *buffer) takeSmallBuffer(length int) ([]byte, error) {
if b.length > 0 {
return nil, ErrBusyBuffer
}
return b.buf[:length], nil
}
// takeCompleteBuffer returns the complete existing buffer.
// This can be used if the necessary buffer size is unknown.
// cap and len of the returned buffer will be equal.
// Only one buffer (total) can be used at a time.
func (b *buffer) takeCompleteBuffer() ([]byte, error) {
if b.length > 0 {
return nil, ErrBusyBuffer
}
return b.buf, nil
}
// store stores buf, an updated buffer, if its suitable to do so.
func (b *buffer) store(buf []byte) error {
if b.length > 0 {
return ErrBusyBuffer
} else if cap(buf) <= maxPacketSize && cap(buf) > cap(b.buf) {
b.buf = buf[:cap(buf)]
}
return nil
}

266
vendor/github.com/go-sql-driver/mysql/collations.go generated vendored
View File

@ -1,266 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2014 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
const defaultCollation = "utf8mb4_general_ci"
const binaryCollation = "binary"
// A list of available collations mapped to the internal ID.
// To update this map use the following MySQL query:
//
// SELECT COLLATION_NAME, ID FROM information_schema.COLLATIONS WHERE ID<256 ORDER BY ID
//
// Handshake packet have only 1 byte for collation_id. So we can't use collations with ID > 255.
//
// ucs2, utf16, and utf32 can't be used for connection charset.
// https://dev.mysql.com/doc/refman/5.7/en/charset-connection.html#charset-connection-impermissible-client-charset
// They are commented out to reduce this map.
var collations = map[string]byte{
"big5_chinese_ci": 1,
"latin2_czech_cs": 2,
"dec8_swedish_ci": 3,
"cp850_general_ci": 4,
"latin1_german1_ci": 5,
"hp8_english_ci": 6,
"koi8r_general_ci": 7,
"latin1_swedish_ci": 8,
"latin2_general_ci": 9,
"swe7_swedish_ci": 10,
"ascii_general_ci": 11,
"ujis_japanese_ci": 12,
"sjis_japanese_ci": 13,
"cp1251_bulgarian_ci": 14,
"latin1_danish_ci": 15,
"hebrew_general_ci": 16,
"tis620_thai_ci": 18,
"euckr_korean_ci": 19,
"latin7_estonian_cs": 20,
"latin2_hungarian_ci": 21,
"koi8u_general_ci": 22,
"cp1251_ukrainian_ci": 23,
"gb2312_chinese_ci": 24,
"greek_general_ci": 25,
"cp1250_general_ci": 26,
"latin2_croatian_ci": 27,
"gbk_chinese_ci": 28,
"cp1257_lithuanian_ci": 29,
"latin5_turkish_ci": 30,
"latin1_german2_ci": 31,
"armscii8_general_ci": 32,
"utf8_general_ci": 33,
"cp1250_czech_cs": 34,
//"ucs2_general_ci": 35,
"cp866_general_ci": 36,
"keybcs2_general_ci": 37,
"macce_general_ci": 38,
"macroman_general_ci": 39,
"cp852_general_ci": 40,
"latin7_general_ci": 41,
"latin7_general_cs": 42,
"macce_bin": 43,
"cp1250_croatian_ci": 44,
"utf8mb4_general_ci": 45,
"utf8mb4_bin": 46,
"latin1_bin": 47,
"latin1_general_ci": 48,
"latin1_general_cs": 49,
"cp1251_bin": 50,
"cp1251_general_ci": 51,
"cp1251_general_cs": 52,
"macroman_bin": 53,
//"utf16_general_ci": 54,
//"utf16_bin": 55,
//"utf16le_general_ci": 56,
"cp1256_general_ci": 57,
"cp1257_bin": 58,
"cp1257_general_ci": 59,
//"utf32_general_ci": 60,
//"utf32_bin": 61,
//"utf16le_bin": 62,
"binary": 63,
"armscii8_bin": 64,
"ascii_bin": 65,
"cp1250_bin": 66,
"cp1256_bin": 67,
"cp866_bin": 68,
"dec8_bin": 69,
"greek_bin": 70,
"hebrew_bin": 71,
"hp8_bin": 72,
"keybcs2_bin": 73,
"koi8r_bin": 74,
"koi8u_bin": 75,
"utf8_tolower_ci": 76,
"latin2_bin": 77,
"latin5_bin": 78,
"latin7_bin": 79,
"cp850_bin": 80,
"cp852_bin": 81,
"swe7_bin": 82,
"utf8_bin": 83,
"big5_bin": 84,
"euckr_bin": 85,
"gb2312_bin": 86,
"gbk_bin": 87,
"sjis_bin": 88,
"tis620_bin": 89,
//"ucs2_bin": 90,
"ujis_bin": 91,
"geostd8_general_ci": 92,
"geostd8_bin": 93,
"latin1_spanish_ci": 94,
"cp932_japanese_ci": 95,
"cp932_bin": 96,
"eucjpms_japanese_ci": 97,
"eucjpms_bin": 98,
"cp1250_polish_ci": 99,
//"utf16_unicode_ci": 101,
//"utf16_icelandic_ci": 102,
//"utf16_latvian_ci": 103,
//"utf16_romanian_ci": 104,
//"utf16_slovenian_ci": 105,
//"utf16_polish_ci": 106,
//"utf16_estonian_ci": 107,
//"utf16_spanish_ci": 108,
//"utf16_swedish_ci": 109,
//"utf16_turkish_ci": 110,
//"utf16_czech_ci": 111,
//"utf16_danish_ci": 112,
//"utf16_lithuanian_ci": 113,
//"utf16_slovak_ci": 114,
//"utf16_spanish2_ci": 115,
//"utf16_roman_ci": 116,
//"utf16_persian_ci": 117,
//"utf16_esperanto_ci": 118,
//"utf16_hungarian_ci": 119,
//"utf16_sinhala_ci": 120,
//"utf16_german2_ci": 121,
//"utf16_croatian_ci": 122,
//"utf16_unicode_520_ci": 123,
//"utf16_vietnamese_ci": 124,
//"ucs2_unicode_ci": 128,
//"ucs2_icelandic_ci": 129,
//"ucs2_latvian_ci": 130,
//"ucs2_romanian_ci": 131,
//"ucs2_slovenian_ci": 132,
//"ucs2_polish_ci": 133,
//"ucs2_estonian_ci": 134,
//"ucs2_spanish_ci": 135,
//"ucs2_swedish_ci": 136,
//"ucs2_turkish_ci": 137,
//"ucs2_czech_ci": 138,
//"ucs2_danish_ci": 139,
//"ucs2_lithuanian_ci": 140,
//"ucs2_slovak_ci": 141,
//"ucs2_spanish2_ci": 142,
//"ucs2_roman_ci": 143,
//"ucs2_persian_ci": 144,
//"ucs2_esperanto_ci": 145,
//"ucs2_hungarian_ci": 146,
//"ucs2_sinhala_ci": 147,
//"ucs2_german2_ci": 148,
//"ucs2_croatian_ci": 149,
//"ucs2_unicode_520_ci": 150,
//"ucs2_vietnamese_ci": 151,
//"ucs2_general_mysql500_ci": 159,
//"utf32_unicode_ci": 160,
//"utf32_icelandic_ci": 161,
//"utf32_latvian_ci": 162,
//"utf32_romanian_ci": 163,
//"utf32_slovenian_ci": 164,
//"utf32_polish_ci": 165,
//"utf32_estonian_ci": 166,
//"utf32_spanish_ci": 167,
//"utf32_swedish_ci": 168,
//"utf32_turkish_ci": 169,
//"utf32_czech_ci": 170,
//"utf32_danish_ci": 171,
//"utf32_lithuanian_ci": 172,
//"utf32_slovak_ci": 173,
//"utf32_spanish2_ci": 174,
//"utf32_roman_ci": 175,
//"utf32_persian_ci": 176,
//"utf32_esperanto_ci": 177,
//"utf32_hungarian_ci": 178,
//"utf32_sinhala_ci": 179,
//"utf32_german2_ci": 180,
//"utf32_croatian_ci": 181,
//"utf32_unicode_520_ci": 182,
//"utf32_vietnamese_ci": 183,
"utf8_unicode_ci": 192,
"utf8_icelandic_ci": 193,
"utf8_latvian_ci": 194,
"utf8_romanian_ci": 195,
"utf8_slovenian_ci": 196,
"utf8_polish_ci": 197,
"utf8_estonian_ci": 198,
"utf8_spanish_ci": 199,
"utf8_swedish_ci": 200,
"utf8_turkish_ci": 201,
"utf8_czech_ci": 202,
"utf8_danish_ci": 203,
"utf8_lithuanian_ci": 204,
"utf8_slovak_ci": 205,
"utf8_spanish2_ci": 206,
"utf8_roman_ci": 207,
"utf8_persian_ci": 208,
"utf8_esperanto_ci": 209,
"utf8_hungarian_ci": 210,
"utf8_sinhala_ci": 211,
"utf8_german2_ci": 212,
"utf8_croatian_ci": 213,
"utf8_unicode_520_ci": 214,
"utf8_vietnamese_ci": 215,
"utf8_general_mysql500_ci": 223,
"utf8mb4_unicode_ci": 224,
"utf8mb4_icelandic_ci": 225,
"utf8mb4_latvian_ci": 226,
"utf8mb4_romanian_ci": 227,
"utf8mb4_slovenian_ci": 228,
"utf8mb4_polish_ci": 229,
"utf8mb4_estonian_ci": 230,
"utf8mb4_spanish_ci": 231,
"utf8mb4_swedish_ci": 232,
"utf8mb4_turkish_ci": 233,
"utf8mb4_czech_ci": 234,
"utf8mb4_danish_ci": 235,
"utf8mb4_lithuanian_ci": 236,
"utf8mb4_slovak_ci": 237,
"utf8mb4_spanish2_ci": 238,
"utf8mb4_roman_ci": 239,
"utf8mb4_persian_ci": 240,
"utf8mb4_esperanto_ci": 241,
"utf8mb4_hungarian_ci": 242,
"utf8mb4_sinhala_ci": 243,
"utf8mb4_german2_ci": 244,
"utf8mb4_croatian_ci": 245,
"utf8mb4_unicode_520_ci": 246,
"utf8mb4_vietnamese_ci": 247,
"gb18030_chinese_ci": 248,
"gb18030_bin": 249,
"gb18030_unicode_520_ci": 250,
"utf8mb4_0900_ai_ci": 255,
}
// A denylist of collations which is unsafe to interpolate parameters.
// These multibyte encodings may contains 0x5c (`\`) in their trailing bytes.
var unsafeCollations = map[string]bool{
"big5_chinese_ci": true,
"sjis_japanese_ci": true,
"gbk_chinese_ci": true,
"big5_bin": true,
"gb2312_bin": true,
"gbk_bin": true,
"sjis_bin": true,
"cp932_japanese_ci": true,
"cp932_bin": true,
"gb18030_chinese_ci": true,
"gb18030_bin": true,
"gb18030_unicode_520_ci": true,
}

55
vendor/github.com/go-sql-driver/mysql/conncheck.go generated vendored
View File

@ -1,55 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2019 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
//go:build linux || darwin || dragonfly || freebsd || netbsd || openbsd || solaris || illumos
// +build linux darwin dragonfly freebsd netbsd openbsd solaris illumos
package mysql
import (
"errors"
"io"
"net"
"syscall"
)
var errUnexpectedRead = errors.New("unexpected read from socket")
func connCheck(conn net.Conn) error {
var sysErr error
sysConn, ok := conn.(syscall.Conn)
if !ok {
return nil
}
rawConn, err := sysConn.SyscallConn()
if err != nil {
return err
}
err = rawConn.Read(func(fd uintptr) bool {
var buf [1]byte
n, err := syscall.Read(int(fd), buf[:])
switch {
case n == 0 && err == nil:
sysErr = io.EOF
case n > 0:
sysErr = errUnexpectedRead
case err == syscall.EAGAIN || err == syscall.EWOULDBLOCK:
sysErr = nil
default:
sysErr = err
}
return true
})
if err != nil {
return err
}
return sysErr
}

18
vendor/github.com/go-sql-driver/mysql/conncheck_dummy.go generated vendored
View File

@ -1,18 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2019 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
//go:build !linux && !darwin && !dragonfly && !freebsd && !netbsd && !openbsd && !solaris && !illumos
// +build !linux,!darwin,!dragonfly,!freebsd,!netbsd,!openbsd,!solaris,!illumos
package mysql
import "net"
func connCheck(conn net.Conn) error {
return nil
}

650
vendor/github.com/go-sql-driver/mysql/connection.go generated vendored
View File

@ -1,650 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"context"
"database/sql"
"database/sql/driver"
"encoding/json"
"io"
"net"
"strconv"
"strings"
"time"
)
type mysqlConn struct {
buf buffer
netConn net.Conn
rawConn net.Conn // underlying connection when netConn is TLS connection.
affectedRows uint64
insertId uint64
cfg *Config
maxAllowedPacket int
maxWriteSize int
writeTimeout time.Duration
flags clientFlag
status statusFlag
sequence uint8
parseTime bool
reset bool // set when the Go SQL package calls ResetSession
// for context support (Go 1.8+)
watching bool
watcher chan<- context.Context
closech chan struct{}
finished chan<- struct{}
canceled atomicError // set non-nil if conn is canceled
closed atomicBool // set when conn is closed, before closech is closed
}
// Handles parameters set in DSN after the connection is established
func (mc *mysqlConn) handleParams() (err error) {
var cmdSet strings.Builder
for param, val := range mc.cfg.Params {
switch param {
// Charset: character_set_connection, character_set_client, character_set_results
case "charset":
charsets := strings.Split(val, ",")
for i := range charsets {
// ignore errors here - a charset may not exist
err = mc.exec("SET NAMES " + charsets[i])
if err == nil {
break
}
}
if err != nil {
return
}
// Other system vars accumulated in a single SET command
default:
if cmdSet.Len() == 0 {
// Heuristic: 29 chars for each other key=value to reduce reallocations
cmdSet.Grow(4 + len(param) + 1 + len(val) + 30*(len(mc.cfg.Params)-1))
cmdSet.WriteString("SET ")
} else {
cmdSet.WriteString(", ")
}
cmdSet.WriteString(param)
cmdSet.WriteString(" = ")
cmdSet.WriteString(val)
}
}
if cmdSet.Len() > 0 {
err = mc.exec(cmdSet.String())
if err != nil {
return
}
}
return
}
func (mc *mysqlConn) markBadConn(err error) error {
if mc == nil {
return err
}
if err != errBadConnNoWrite {
return err
}
return driver.ErrBadConn
}
func (mc *mysqlConn) Begin() (driver.Tx, error) {
return mc.begin(false)
}
func (mc *mysqlConn) begin(readOnly bool) (driver.Tx, error) {
if mc.closed.Load() {
errLog.Print(ErrInvalidConn)
return nil, driver.ErrBadConn
}
var q string
if readOnly {
q = "START TRANSACTION READ ONLY"
} else {
q = "START TRANSACTION"
}
err := mc.exec(q)
if err == nil {
return &mysqlTx{mc}, err
}
return nil, mc.markBadConn(err)
}
func (mc *mysqlConn) Close() (err error) {
// Makes Close idempotent
if !mc.closed.Load() {
err = mc.writeCommandPacket(comQuit)
}
mc.cleanup()
return
}
// Closes the network connection and unsets internal variables. Do not call this
// function after successfully authentication, call Close instead. This function
// is called before auth or on auth failure because MySQL will have already
// closed the network connection.
func (mc *mysqlConn) cleanup() {
if mc.closed.Swap(true) {
return
}
// Makes cleanup idempotent
close(mc.closech)
if mc.netConn == nil {
return
}
if err := mc.netConn.Close(); err != nil {
errLog.Print(err)
}
}
func (mc *mysqlConn) error() error {
if mc.closed.Load() {
if err := mc.canceled.Value(); err != nil {
return err
}
return ErrInvalidConn
}
return nil
}
func (mc *mysqlConn) Prepare(query string) (driver.Stmt, error) {
if mc.closed.Load() {
errLog.Print(ErrInvalidConn)
return nil, driver.ErrBadConn
}
// Send command
err := mc.writeCommandPacketStr(comStmtPrepare, query)
if err != nil {
// STMT_PREPARE is safe to retry. So we can return ErrBadConn here.
errLog.Print(err)
return nil, driver.ErrBadConn
}
stmt := &mysqlStmt{
mc: mc,
}
// Read Result
columnCount, err := stmt.readPrepareResultPacket()
if err == nil {
if stmt.paramCount > 0 {
if err = mc.readUntilEOF(); err != nil {
return nil, err
}
}
if columnCount > 0 {
err = mc.readUntilEOF()
}
}
return stmt, err
}
func (mc *mysqlConn) interpolateParams(query string, args []driver.Value) (string, error) {
// Number of ? should be same to len(args)
if strings.Count(query, "?") != len(args) {
return "", driver.ErrSkip
}
buf, err := mc.buf.takeCompleteBuffer()
if err != nil {
// can not take the buffer. Something must be wrong with the connection
errLog.Print(err)
return "", ErrInvalidConn
}
buf = buf[:0]
argPos := 0
for i := 0; i < len(query); i++ {
q := strings.IndexByte(query[i:], '?')
if q == -1 {
buf = append(buf, query[i:]...)
break
}
buf = append(buf, query[i:i+q]...)
i += q
arg := args[argPos]
argPos++
if arg == nil {
buf = append(buf, "NULL"...)
continue
}
switch v := arg.(type) {
case int64:
buf = strconv.AppendInt(buf, v, 10)
case uint64:
// Handle uint64 explicitly because our custom ConvertValue emits unsigned values
buf = strconv.AppendUint(buf, v, 10)
case float64:
buf = strconv.AppendFloat(buf, v, 'g', -1, 64)
case bool:
if v {
buf = append(buf, '1')
} else {
buf = append(buf, '0')
}
case time.Time:
if v.IsZero() {
buf = append(buf, "'0000-00-00'"...)
} else {
buf = append(buf, '\'')
buf, err = appendDateTime(buf, v.In(mc.cfg.Loc))
if err != nil {
return "", err
}
buf = append(buf, '\'')
}
case json.RawMessage:
buf = append(buf, '\'')
if mc.status&statusNoBackslashEscapes == 0 {
buf = escapeBytesBackslash(buf, v)
} else {
buf = escapeBytesQuotes(buf, v)
}
buf = append(buf, '\'')
case []byte:
if v == nil {
buf = append(buf, "NULL"...)
} else {
buf = append(buf, "_binary'"...)
if mc.status&statusNoBackslashEscapes == 0 {
buf = escapeBytesBackslash(buf, v)
} else {
buf = escapeBytesQuotes(buf, v)
}
buf = append(buf, '\'')
}
case string:
buf = append(buf, '\'')
if mc.status&statusNoBackslashEscapes == 0 {
buf = escapeStringBackslash(buf, v)
} else {
buf = escapeStringQuotes(buf, v)
}
buf = append(buf, '\'')
default:
return "", driver.ErrSkip
}
if len(buf)+4 > mc.maxAllowedPacket {
return "", driver.ErrSkip
}
}
if argPos != len(args) {
return "", driver.ErrSkip
}
return string(buf), nil
}
func (mc *mysqlConn) Exec(query string, args []driver.Value) (driver.Result, error) {
if mc.closed.Load() {
errLog.Print(ErrInvalidConn)
return nil, driver.ErrBadConn
}
if len(args) != 0 {
if !mc.cfg.InterpolateParams {
return nil, driver.ErrSkip
}
// try to interpolate the parameters to save extra roundtrips for preparing and closing a statement
prepared, err := mc.interpolateParams(query, args)
if err != nil {
return nil, err
}
query = prepared
}
mc.affectedRows = 0
mc.insertId = 0
err := mc.exec(query)
if err == nil {
return &mysqlResult{
affectedRows: int64(mc.affectedRows),
insertId: int64(mc.insertId),
}, err
}
return nil, mc.markBadConn(err)
}
// Internal function to execute commands
func (mc *mysqlConn) exec(query string) error {
// Send command
if err := mc.writeCommandPacketStr(comQuery, query); err != nil {
return mc.markBadConn(err)
}
// Read Result
resLen, err := mc.readResultSetHeaderPacket()
if err != nil {
return err
}
if resLen > 0 {
// columns
if err := mc.readUntilEOF(); err != nil {
return err
}
// rows
if err := mc.readUntilEOF(); err != nil {
return err
}
}
return mc.discardResults()
}
func (mc *mysqlConn) Query(query string, args []driver.Value) (driver.Rows, error) {
return mc.query(query, args)
}
func (mc *mysqlConn) query(query string, args []driver.Value) (*textRows, error) {
if mc.closed.Load() {
errLog.Print(ErrInvalidConn)
return nil, driver.ErrBadConn
}
if len(args) != 0 {
if !mc.cfg.InterpolateParams {
return nil, driver.ErrSkip
}
// try client-side prepare to reduce roundtrip
prepared, err := mc.interpolateParams(query, args)
if err != nil {
return nil, err
}
query = prepared
}
// Send command
err := mc.writeCommandPacketStr(comQuery, query)
if err == nil {
// Read Result
var resLen int
resLen, err = mc.readResultSetHeaderPacket()
if err == nil {
rows := new(textRows)
rows.mc = mc
if resLen == 0 {
rows.rs.done = true
switch err := rows.NextResultSet(); err {
case nil, io.EOF:
return rows, nil
default:
return nil, err
}
}
// Columns
rows.rs.columns, err = mc.readColumns(resLen)
return rows, err
}
}
return nil, mc.markBadConn(err)
}
// Gets the value of the given MySQL System Variable
// The returned byte slice is only valid until the next read
func (mc *mysqlConn) getSystemVar(name string) ([]byte, error) {
// Send command
if err := mc.writeCommandPacketStr(comQuery, "SELECT @@"+name); err != nil {
return nil, err
}
// Read Result
resLen, err := mc.readResultSetHeaderPacket()
if err == nil {
rows := new(textRows)
rows.mc = mc
rows.rs.columns = []mysqlField{{fieldType: fieldTypeVarChar}}
if resLen > 0 {
// Columns
if err := mc.readUntilEOF(); err != nil {
return nil, err
}
}
dest := make([]driver.Value, resLen)
if err = rows.readRow(dest); err == nil {
return dest[0].([]byte), mc.readUntilEOF()
}
}
return nil, err
}
// finish is called when the query has canceled.
func (mc *mysqlConn) cancel(err error) {
mc.canceled.Set(err)
mc.cleanup()
}
// finish is called when the query has succeeded.
func (mc *mysqlConn) finish() {
if !mc.watching || mc.finished == nil {
return
}
select {
case mc.finished <- struct{}{}:
mc.watching = false
case <-mc.closech:
}
}
// Ping implements driver.Pinger interface
func (mc *mysqlConn) Ping(ctx context.Context) (err error) {
if mc.closed.Load() {
errLog.Print(ErrInvalidConn)
return driver.ErrBadConn
}
if err = mc.watchCancel(ctx); err != nil {
return
}
defer mc.finish()
if err = mc.writeCommandPacket(comPing); err != nil {
return mc.markBadConn(err)
}
return mc.readResultOK()
}
// BeginTx implements driver.ConnBeginTx interface
func (mc *mysqlConn) BeginTx(ctx context.Context, opts driver.TxOptions) (driver.Tx, error) {
if mc.closed.Load() {
return nil, driver.ErrBadConn
}
if err := mc.watchCancel(ctx); err != nil {
return nil, err
}
defer mc.finish()
if sql.IsolationLevel(opts.Isolation) != sql.LevelDefault {
level, err := mapIsolationLevel(opts.Isolation)
if err != nil {
return nil, err
}
err = mc.exec("SET TRANSACTION ISOLATION LEVEL " + level)
if err != nil {
return nil, err
}
}
return mc.begin(opts.ReadOnly)
}
func (mc *mysqlConn) QueryContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Rows, error) {
dargs, err := namedValueToValue(args)
if err != nil {
return nil, err
}
if err := mc.watchCancel(ctx); err != nil {
return nil, err
}
rows, err := mc.query(query, dargs)
if err != nil {
mc.finish()
return nil, err
}
rows.finish = mc.finish
return rows, err
}
func (mc *mysqlConn) ExecContext(ctx context.Context, query string, args []driver.NamedValue) (driver.Result, error) {
dargs, err := namedValueToValue(args)
if err != nil {
return nil, err
}
if err := mc.watchCancel(ctx); err != nil {
return nil, err
}
defer mc.finish()
return mc.Exec(query, dargs)
}
func (mc *mysqlConn) PrepareContext(ctx context.Context, query string) (driver.Stmt, error) {
if err := mc.watchCancel(ctx); err != nil {
return nil, err
}
stmt, err := mc.Prepare(query)
mc.finish()
if err != nil {
return nil, err
}
select {
default:
case <-ctx.Done():
stmt.Close()
return nil, ctx.Err()
}
return stmt, nil
}
func (stmt *mysqlStmt) QueryContext(ctx context.Context, args []driver.NamedValue) (driver.Rows, error) {
dargs, err := namedValueToValue(args)
if err != nil {
return nil, err
}
if err := stmt.mc.watchCancel(ctx); err != nil {
return nil, err
}
rows, err := stmt.query(dargs)
if err != nil {
stmt.mc.finish()
return nil, err
}
rows.finish = stmt.mc.finish
return rows, err
}
func (stmt *mysqlStmt) ExecContext(ctx context.Context, args []driver.NamedValue) (driver.Result, error) {
dargs, err := namedValueToValue(args)
if err != nil {
return nil, err
}
if err := stmt.mc.watchCancel(ctx); err != nil {
return nil, err
}
defer stmt.mc.finish()
return stmt.Exec(dargs)
}
func (mc *mysqlConn) watchCancel(ctx context.Context) error {
if mc.watching {
// Reach here if canceled,
// so the connection is already invalid
mc.cleanup()
return nil
}
// When ctx is already cancelled, don't watch it.
if err := ctx.Err(); err != nil {
return err
}
// When ctx is not cancellable, don't watch it.
if ctx.Done() == nil {
return nil
}
// When watcher is not alive, can't watch it.
if mc.watcher == nil {
return nil
}
mc.watching = true
mc.watcher <- ctx
return nil
}
func (mc *mysqlConn) startWatcher() {
watcher := make(chan context.Context, 1)
mc.watcher = watcher
finished := make(chan struct{})
mc.finished = finished
go func() {
for {
var ctx context.Context
select {
case ctx = <-watcher:
case <-mc.closech:
return
}
select {
case <-ctx.Done():
mc.cancel(ctx.Err())
case <-finished:
case <-mc.closech:
return
}
}
}()
}
func (mc *mysqlConn) CheckNamedValue(nv *driver.NamedValue) (err error) {
nv.Value, err = converter{}.ConvertValue(nv.Value)
return
}
// ResetSession implements driver.SessionResetter.
// (From Go 1.10)
func (mc *mysqlConn) ResetSession(ctx context.Context) error {
if mc.closed.Load() {
return driver.ErrBadConn
}
mc.reset = true
return nil
}
// IsValid implements driver.Validator interface
// (From Go 1.15)
func (mc *mysqlConn) IsValid() bool {
return !mc.closed.Load()
}

146
vendor/github.com/go-sql-driver/mysql/connector.go generated vendored
View File

@ -1,146 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2018 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"context"
"database/sql/driver"
"net"
)
type connector struct {
cfg *Config // immutable private copy.
}
// Connect implements driver.Connector interface.
// Connect returns a connection to the database.
func (c *connector) Connect(ctx context.Context) (driver.Conn, error) {
var err error
// New mysqlConn
mc := &mysqlConn{
maxAllowedPacket: maxPacketSize,
maxWriteSize: maxPacketSize - 1,
closech: make(chan struct{}),
cfg: c.cfg,
}
mc.parseTime = mc.cfg.ParseTime
// Connect to Server
dialsLock.RLock()
dial, ok := dials[mc.cfg.Net]
dialsLock.RUnlock()
if ok {
dctx := ctx
if mc.cfg.Timeout > 0 {
var cancel context.CancelFunc
dctx, cancel = context.WithTimeout(ctx, c.cfg.Timeout)
defer cancel()
}
mc.netConn, err = dial(dctx, mc.cfg.Addr)
} else {
nd := net.Dialer{Timeout: mc.cfg.Timeout}
mc.netConn, err = nd.DialContext(ctx, mc.cfg.Net, mc.cfg.Addr)
}
if err != nil {
return nil, err
}
// Enable TCP Keepalives on TCP connections
if tc, ok := mc.netConn.(*net.TCPConn); ok {
if err := tc.SetKeepAlive(true); err != nil {
// Don't send COM_QUIT before handshake.
mc.netConn.Close()
mc.netConn = nil
return nil, err
}
}
// Call startWatcher for context support (From Go 1.8)
mc.startWatcher()
if err := mc.watchCancel(ctx); err != nil {
mc.cleanup()
return nil, err
}
defer mc.finish()
mc.buf = newBuffer(mc.netConn)
// Set I/O timeouts
mc.buf.timeout = mc.cfg.ReadTimeout
mc.writeTimeout = mc.cfg.WriteTimeout
// Reading Handshake Initialization Packet
authData, plugin, err := mc.readHandshakePacket()
if err != nil {
mc.cleanup()
return nil, err
}
if plugin == "" {
plugin = defaultAuthPlugin
}
// Send Client Authentication Packet
authResp, err := mc.auth(authData, plugin)
if err != nil {
// try the default auth plugin, if using the requested plugin failed
errLog.Print("could not use requested auth plugin '"+plugin+"': ", err.Error())
plugin = defaultAuthPlugin
authResp, err = mc.auth(authData, plugin)
if err != nil {
mc.cleanup()
return nil, err
}
}
if err = mc.writeHandshakeResponsePacket(authResp, plugin); err != nil {
mc.cleanup()
return nil, err
}
// Handle response to auth packet, switch methods if possible
if err = mc.handleAuthResult(authData, plugin); err != nil {
// Authentication failed and MySQL has already closed the connection
// (https://dev.mysql.com/doc/internals/en/authentication-fails.html).
// Do not send COM_QUIT, just cleanup and return the error.
mc.cleanup()
return nil, err
}
if mc.cfg.MaxAllowedPacket > 0 {
mc.maxAllowedPacket = mc.cfg.MaxAllowedPacket
} else {
// Get max allowed packet size
maxap, err := mc.getSystemVar("max_allowed_packet")
if err != nil {
mc.Close()
return nil, err
}
mc.maxAllowedPacket = stringToInt(maxap) - 1
}
if mc.maxAllowedPacket < maxPacketSize {
mc.maxWriteSize = mc.maxAllowedPacket
}
// Handle DSN Params
err = mc.handleParams()
if err != nil {
mc.Close()
return nil, err
}
return mc, nil
}
// Driver implements driver.Connector interface.
// Driver returns &MySQLDriver{}.
func (c *connector) Driver() driver.Driver {
return &MySQLDriver{}
}

174
vendor/github.com/go-sql-driver/mysql/const.go generated vendored
View File

@ -1,174 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
const (
defaultAuthPlugin = "mysql_native_password"
defaultMaxAllowedPacket = 64 << 20 // 64 MiB. See https://github.com/go-sql-driver/mysql/issues/1355
minProtocolVersion = 10
maxPacketSize = 1<<24 - 1
timeFormat = "2006-01-02 15:04:05.999999"
)
// MySQL constants documentation:
// http://dev.mysql.com/doc/internals/en/client-server-protocol.html
const (
iOK byte = 0x00
iAuthMoreData byte = 0x01
iLocalInFile byte = 0xfb
iEOF byte = 0xfe
iERR byte = 0xff
)
// https://dev.mysql.com/doc/internals/en/capability-flags.html#packet-Protocol::CapabilityFlags
type clientFlag uint32
const (
clientLongPassword clientFlag = 1 << iota
clientFoundRows
clientLongFlag
clientConnectWithDB
clientNoSchema
clientCompress
clientODBC
clientLocalFiles
clientIgnoreSpace
clientProtocol41
clientInteractive
clientSSL
clientIgnoreSIGPIPE
clientTransactions
clientReserved
clientSecureConn
clientMultiStatements
clientMultiResults
clientPSMultiResults
clientPluginAuth
clientConnectAttrs
clientPluginAuthLenEncClientData
clientCanHandleExpiredPasswords
clientSessionTrack
clientDeprecateEOF
)
const (
comQuit byte = iota + 1
comInitDB
comQuery
comFieldList
comCreateDB
comDropDB
comRefresh
comShutdown
comStatistics
comProcessInfo
comConnect
comProcessKill
comDebug
comPing
comTime
comDelayedInsert
comChangeUser
comBinlogDump
comTableDump
comConnectOut
comRegisterSlave
comStmtPrepare
comStmtExecute
comStmtSendLongData
comStmtClose
comStmtReset
comSetOption
comStmtFetch
)
// https://dev.mysql.com/doc/internals/en/com-query-response.html#packet-Protocol::ColumnType
type fieldType byte
const (
fieldTypeDecimal fieldType = iota
fieldTypeTiny
fieldTypeShort
fieldTypeLong
fieldTypeFloat
fieldTypeDouble
fieldTypeNULL
fieldTypeTimestamp
fieldTypeLongLong
fieldTypeInt24
fieldTypeDate
fieldTypeTime
fieldTypeDateTime
fieldTypeYear
fieldTypeNewDate
fieldTypeVarChar
fieldTypeBit
)
const (
fieldTypeJSON fieldType = iota + 0xf5
fieldTypeNewDecimal
fieldTypeEnum
fieldTypeSet
fieldTypeTinyBLOB
fieldTypeMediumBLOB
fieldTypeLongBLOB
fieldTypeBLOB
fieldTypeVarString
fieldTypeString
fieldTypeGeometry
)
type fieldFlag uint16
const (
flagNotNULL fieldFlag = 1 << iota
flagPriKey
flagUniqueKey
flagMultipleKey
flagBLOB
flagUnsigned
flagZeroFill
flagBinary
flagEnum
flagAutoIncrement
flagTimestamp
flagSet
flagUnknown1
flagUnknown2
flagUnknown3
flagUnknown4
)
// http://dev.mysql.com/doc/internals/en/status-flags.html
type statusFlag uint16
const (
statusInTrans statusFlag = 1 << iota
statusInAutocommit
statusReserved // Not in documentation
statusMoreResultsExists
statusNoGoodIndexUsed
statusNoIndexUsed
statusCursorExists
statusLastRowSent
statusDbDropped
statusNoBackslashEscapes
statusMetadataChanged
statusQueryWasSlow
statusPsOutParams
statusInTransReadonly
statusSessionStateChanged
)
const (
cachingSha2PasswordRequestPublicKey = 2
cachingSha2PasswordFastAuthSuccess = 3
cachingSha2PasswordPerformFullAuthentication = 4
)

107
vendor/github.com/go-sql-driver/mysql/driver.go generated vendored
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@ -1,107 +0,0 @@
// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
// Package mysql provides a MySQL driver for Go's database/sql package.
//
// The driver should be used via the database/sql package:
//
// import "database/sql"
// import _ "github.com/go-sql-driver/mysql"
//
// db, err := sql.Open("mysql", "user:password@/dbname")
//
// See https://github.com/go-sql-driver/mysql#usage for details
package mysql
import (
"context"
"database/sql"
"database/sql/driver"
"net"
"sync"
)
// MySQLDriver is exported to make the driver directly accessible.
// In general the driver is used via the database/sql package.
type MySQLDriver struct{}
// DialFunc is a function which can be used to establish the network connection.
// Custom dial functions must be registered with RegisterDial
//
// Deprecated: users should register a DialContextFunc instead
type DialFunc func(addr string) (net.Conn, error)
// DialContextFunc is a function which can be used to establish the network connection.
// Custom dial functions must be registered with RegisterDialContext
type DialContextFunc func(ctx context.Context, addr string) (net.Conn, error)
var (
dialsLock sync.RWMutex
dials map[string]DialContextFunc
)
// RegisterDialContext registers a custom dial function. It can then be used by the
// network address mynet(addr), where mynet is the registered new network.
// The current context for the connection and its address is passed to the dial function.
func RegisterDialContext(net string, dial DialContextFunc) {
dialsLock.Lock()
defer dialsLock.Unlock()
if dials == nil {
dials = make(map[string]DialContextFunc)
}
dials[net] = dial
}
// RegisterDial registers a custom dial function. It can then be used by the
// network address mynet(addr), where mynet is the registered new network.
// addr is passed as a parameter to the dial function.
//
// Deprecated: users should call RegisterDialContext instead
func RegisterDial(network string, dial DialFunc) {
RegisterDialContext(network, func(_ context.Context, addr string) (net.Conn, error) {
return dial(addr)
})
}
// Open new Connection.
// See https://github.com/go-sql-driver/mysql#dsn-data-source-name for how
// the DSN string is formatted
func (d MySQLDriver) Open(dsn string) (driver.Conn, error) {
cfg, err := ParseDSN(dsn)
if err != nil {
return nil, err
}
c := &connector{
cfg: cfg,
}
return c.Connect(context.Background())
}
func init() {
sql.Register("mysql", &MySQLDriver{})
}
// NewConnector returns new driver.Connector.
func NewConnector(cfg *Config) (driver.Connector, error) {
cfg = cfg.Clone()
// normalize the contents of cfg so calls to NewConnector have the same
// behavior as MySQLDriver.OpenConnector
if err := cfg.normalize(); err != nil {
return nil, err
}
return &connector{cfg: cfg}, nil
}
// OpenConnector implements driver.DriverContext.
func (d MySQLDriver) OpenConnector(dsn string) (driver.Connector, error) {
cfg, err := ParseDSN(dsn)
if err != nil {
return nil, err
}
return &connector{
cfg: cfg,
}, nil
}

577
vendor/github.com/go-sql-driver/mysql/dsn.go generated vendored
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@ -1,577 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2016 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"bytes"
"crypto/rsa"
"crypto/tls"
"errors"
"fmt"
"math/big"
"net"
"net/url"
"sort"
"strconv"
"strings"
"time"
)
var (
errInvalidDSNUnescaped = errors.New("invalid DSN: did you forget to escape a param value?")
errInvalidDSNAddr = errors.New("invalid DSN: network address not terminated (missing closing brace)")
errInvalidDSNNoSlash = errors.New("invalid DSN: missing the slash separating the database name")
errInvalidDSNUnsafeCollation = errors.New("invalid DSN: interpolateParams can not be used with unsafe collations")
)
// Config is a configuration parsed from a DSN string.
// If a new Config is created instead of being parsed from a DSN string,
// the NewConfig function should be used, which sets default values.
type Config struct {
User string // Username
Passwd string // Password (requires User)
Net string // Network type
Addr string // Network address (requires Net)
DBName string // Database name
Params map[string]string // Connection parameters
Collation string // Connection collation
Loc *time.Location // Location for time.Time values
MaxAllowedPacket int // Max packet size allowed
ServerPubKey string // Server public key name
pubKey *rsa.PublicKey // Server public key
TLSConfig string // TLS configuration name
TLS *tls.Config // TLS configuration, its priority is higher than TLSConfig
Timeout time.Duration // Dial timeout
ReadTimeout time.Duration // I/O read timeout
WriteTimeout time.Duration // I/O write timeout
AllowAllFiles bool // Allow all files to be used with LOAD DATA LOCAL INFILE
AllowCleartextPasswords bool // Allows the cleartext client side plugin
AllowFallbackToPlaintext bool // Allows fallback to unencrypted connection if server does not support TLS
AllowNativePasswords bool // Allows the native password authentication method
AllowOldPasswords bool // Allows the old insecure password method
CheckConnLiveness bool // Check connections for liveness before using them
ClientFoundRows bool // Return number of matching rows instead of rows changed
ColumnsWithAlias bool // Prepend table alias to column names
InterpolateParams bool // Interpolate placeholders into query string
MultiStatements bool // Allow multiple statements in one query
ParseTime bool // Parse time values to time.Time
RejectReadOnly bool // Reject read-only connections
}
// NewConfig creates a new Config and sets default values.
func NewConfig() *Config {
return &Config{
Collation: defaultCollation,
Loc: time.UTC,
MaxAllowedPacket: defaultMaxAllowedPacket,
AllowNativePasswords: true,
CheckConnLiveness: true,
}
}
func (cfg *Config) Clone() *Config {
cp := *cfg
if cp.TLS != nil {
cp.TLS = cfg.TLS.Clone()
}
if len(cp.Params) > 0 {
cp.Params = make(map[string]string, len(cfg.Params))
for k, v := range cfg.Params {
cp.Params[k] = v
}
}
if cfg.pubKey != nil {
cp.pubKey = &rsa.PublicKey{
N: new(big.Int).Set(cfg.pubKey.N),
E: cfg.pubKey.E,
}
}
return &cp
}
func (cfg *Config) normalize() error {
if cfg.InterpolateParams && unsafeCollations[cfg.Collation] {
return errInvalidDSNUnsafeCollation
}
// Set default network if empty
if cfg.Net == "" {
cfg.Net = "tcp"
}
// Set default address if empty
if cfg.Addr == "" {
switch cfg.Net {
case "tcp":
cfg.Addr = "127.0.0.1:3306"
case "unix":
cfg.Addr = "/tmp/mysql.sock"
default:
return errors.New("default addr for network '" + cfg.Net + "' unknown")
}
} else if cfg.Net == "tcp" {
cfg.Addr = ensureHavePort(cfg.Addr)
}
if cfg.TLS == nil {
switch cfg.TLSConfig {
case "false", "":
// don't set anything
case "true":
cfg.TLS = &tls.Config{}
case "skip-verify":
cfg.TLS = &tls.Config{InsecureSkipVerify: true}
case "preferred":
cfg.TLS = &tls.Config{InsecureSkipVerify: true}
cfg.AllowFallbackToPlaintext = true
default:
cfg.TLS = getTLSConfigClone(cfg.TLSConfig)
if cfg.TLS == nil {
return errors.New("invalid value / unknown config name: " + cfg.TLSConfig)
}
}
}
if cfg.TLS != nil && cfg.TLS.ServerName == "" && !cfg.TLS.InsecureSkipVerify {
host, _, err := net.SplitHostPort(cfg.Addr)
if err == nil {
cfg.TLS.ServerName = host
}
}
if cfg.ServerPubKey != "" {
cfg.pubKey = getServerPubKey(cfg.ServerPubKey)
if cfg.pubKey == nil {
return errors.New("invalid value / unknown server pub key name: " + cfg.ServerPubKey)
}
}
return nil
}
func writeDSNParam(buf *bytes.Buffer, hasParam *bool, name, value string) {
buf.Grow(1 + len(name) + 1 + len(value))
if !*hasParam {
*hasParam = true
buf.WriteByte('?')
} else {
buf.WriteByte('&')
}
buf.WriteString(name)
buf.WriteByte('=')
buf.WriteString(value)
}
// FormatDSN formats the given Config into a DSN string which can be passed to
// the driver.
func (cfg *Config) FormatDSN() string {
var buf bytes.Buffer
// [username[:password]@]
if len(cfg.User) > 0 {
buf.WriteString(cfg.User)
if len(cfg.Passwd) > 0 {
buf.WriteByte(':')
buf.WriteString(cfg.Passwd)
}
buf.WriteByte('@')
}
// [protocol[(address)]]
if len(cfg.Net) > 0 {
buf.WriteString(cfg.Net)
if len(cfg.Addr) > 0 {
buf.WriteByte('(')
buf.WriteString(cfg.Addr)
buf.WriteByte(')')
}
}
// /dbname
buf.WriteByte('/')
buf.WriteString(cfg.DBName)
// [?param1=value1&...&paramN=valueN]
hasParam := false
if cfg.AllowAllFiles {
hasParam = true
buf.WriteString("?allowAllFiles=true")
}
if cfg.AllowCleartextPasswords {
writeDSNParam(&buf, &hasParam, "allowCleartextPasswords", "true")
}
if cfg.AllowFallbackToPlaintext {
writeDSNParam(&buf, &hasParam, "allowFallbackToPlaintext", "true")
}
if !cfg.AllowNativePasswords {
writeDSNParam(&buf, &hasParam, "allowNativePasswords", "false")
}
if cfg.AllowOldPasswords {
writeDSNParam(&buf, &hasParam, "allowOldPasswords", "true")
}
if !cfg.CheckConnLiveness {
writeDSNParam(&buf, &hasParam, "checkConnLiveness", "false")
}
if cfg.ClientFoundRows {
writeDSNParam(&buf, &hasParam, "clientFoundRows", "true")
}
if col := cfg.Collation; col != defaultCollation && len(col) > 0 {
writeDSNParam(&buf, &hasParam, "collation", col)
}
if cfg.ColumnsWithAlias {
writeDSNParam(&buf, &hasParam, "columnsWithAlias", "true")
}
if cfg.InterpolateParams {
writeDSNParam(&buf, &hasParam, "interpolateParams", "true")
}
if cfg.Loc != time.UTC && cfg.Loc != nil {
writeDSNParam(&buf, &hasParam, "loc", url.QueryEscape(cfg.Loc.String()))
}
if cfg.MultiStatements {
writeDSNParam(&buf, &hasParam, "multiStatements", "true")
}
if cfg.ParseTime {
writeDSNParam(&buf, &hasParam, "parseTime", "true")
}
if cfg.ReadTimeout > 0 {
writeDSNParam(&buf, &hasParam, "readTimeout", cfg.ReadTimeout.String())
}
if cfg.RejectReadOnly {
writeDSNParam(&buf, &hasParam, "rejectReadOnly", "true")
}
if len(cfg.ServerPubKey) > 0 {
writeDSNParam(&buf, &hasParam, "serverPubKey", url.QueryEscape(cfg.ServerPubKey))
}
if cfg.Timeout > 0 {
writeDSNParam(&buf, &hasParam, "timeout", cfg.Timeout.String())
}
if len(cfg.TLSConfig) > 0 {
writeDSNParam(&buf, &hasParam, "tls", url.QueryEscape(cfg.TLSConfig))
}
if cfg.WriteTimeout > 0 {
writeDSNParam(&buf, &hasParam, "writeTimeout", cfg.WriteTimeout.String())
}
if cfg.MaxAllowedPacket != defaultMaxAllowedPacket {
writeDSNParam(&buf, &hasParam, "maxAllowedPacket", strconv.Itoa(cfg.MaxAllowedPacket))
}
// other params
if cfg.Params != nil {
var params []string
for param := range cfg.Params {
params = append(params, param)
}
sort.Strings(params)
for _, param := range params {
writeDSNParam(&buf, &hasParam, param, url.QueryEscape(cfg.Params[param]))
}
}
return buf.String()
}
// ParseDSN parses the DSN string to a Config
func ParseDSN(dsn string) (cfg *Config, err error) {
// New config with some default values
cfg = NewConfig()
// [user[:password]@][net[(addr)]]/dbname[?param1=value1&paramN=valueN]
// Find the last '/' (since the password or the net addr might contain a '/')
foundSlash := false
for i := len(dsn) - 1; i >= 0; i-- {
if dsn[i] == '/' {
foundSlash = true
var j, k int
// left part is empty if i <= 0
if i > 0 {
// [username[:password]@][protocol[(address)]]
// Find the last '@' in dsn[:i]
for j = i; j >= 0; j-- {
if dsn[j] == '@' {
// username[:password]
// Find the first ':' in dsn[:j]
for k = 0; k < j; k++ {
if dsn[k] == ':' {
cfg.Passwd = dsn[k+1 : j]
break
}
}
cfg.User = dsn[:k]
break
}
}
// [protocol[(address)]]
// Find the first '(' in dsn[j+1:i]
for k = j + 1; k < i; k++ {
if dsn[k] == '(' {
// dsn[i-1] must be == ')' if an address is specified
if dsn[i-1] != ')' {
if strings.ContainsRune(dsn[k+1:i], ')') {
return nil, errInvalidDSNUnescaped
}
return nil, errInvalidDSNAddr
}
cfg.Addr = dsn[k+1 : i-1]
break
}
}
cfg.Net = dsn[j+1 : k]
}
// dbname[?param1=value1&...&paramN=valueN]
// Find the first '?' in dsn[i+1:]
for j = i + 1; j < len(dsn); j++ {
if dsn[j] == '?' {
if err = parseDSNParams(cfg, dsn[j+1:]); err != nil {
return
}
break
}
}
cfg.DBName = dsn[i+1 : j]
break
}
}
if !foundSlash && len(dsn) > 0 {
return nil, errInvalidDSNNoSlash
}
if err = cfg.normalize(); err != nil {
return nil, err
}
return
}
// parseDSNParams parses the DSN "query string"
// Values must be url.QueryEscape'ed
func parseDSNParams(cfg *Config, params string) (err error) {
for _, v := range strings.Split(params, "&") {
param := strings.SplitN(v, "=", 2)
if len(param) != 2 {
continue
}
// cfg params
switch value := param[1]; param[0] {
// Disable INFILE allowlist / enable all files
case "allowAllFiles":
var isBool bool
cfg.AllowAllFiles, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// Use cleartext authentication mode (MySQL 5.5.10+)
case "allowCleartextPasswords":
var isBool bool
cfg.AllowCleartextPasswords, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// Allow fallback to unencrypted connection if server does not support TLS
case "allowFallbackToPlaintext":
var isBool bool
cfg.AllowFallbackToPlaintext, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// Use native password authentication
case "allowNativePasswords":
var isBool bool
cfg.AllowNativePasswords, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// Use old authentication mode (pre MySQL 4.1)
case "allowOldPasswords":
var isBool bool
cfg.AllowOldPasswords, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// Check connections for Liveness before using them
case "checkConnLiveness":
var isBool bool
cfg.CheckConnLiveness, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// Switch "rowsAffected" mode
case "clientFoundRows":
var isBool bool
cfg.ClientFoundRows, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// Collation
case "collation":
cfg.Collation = value
case "columnsWithAlias":
var isBool bool
cfg.ColumnsWithAlias, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// Compression
case "compress":
return errors.New("compression not implemented yet")
// Enable client side placeholder substitution
case "interpolateParams":
var isBool bool
cfg.InterpolateParams, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// Time Location
case "loc":
if value, err = url.QueryUnescape(value); err != nil {
return
}
cfg.Loc, err = time.LoadLocation(value)
if err != nil {
return
}
// multiple statements in one query
case "multiStatements":
var isBool bool
cfg.MultiStatements, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// time.Time parsing
case "parseTime":
var isBool bool
cfg.ParseTime, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// I/O read Timeout
case "readTimeout":
cfg.ReadTimeout, err = time.ParseDuration(value)
if err != nil {
return
}
// Reject read-only connections
case "rejectReadOnly":
var isBool bool
cfg.RejectReadOnly, isBool = readBool(value)
if !isBool {
return errors.New("invalid bool value: " + value)
}
// Server public key
case "serverPubKey":
name, err := url.QueryUnescape(value)
if err != nil {
return fmt.Errorf("invalid value for server pub key name: %v", err)
}
cfg.ServerPubKey = name
// Strict mode
case "strict":
panic("strict mode has been removed. See https://github.com/go-sql-driver/mysql/wiki/strict-mode")
// Dial Timeout
case "timeout":
cfg.Timeout, err = time.ParseDuration(value)
if err != nil {
return
}
// TLS-Encryption
case "tls":
boolValue, isBool := readBool(value)
if isBool {
if boolValue {
cfg.TLSConfig = "true"
} else {
cfg.TLSConfig = "false"
}
} else if vl := strings.ToLower(value); vl == "skip-verify" || vl == "preferred" {
cfg.TLSConfig = vl
} else {
name, err := url.QueryUnescape(value)
if err != nil {
return fmt.Errorf("invalid value for TLS config name: %v", err)
}
cfg.TLSConfig = name
}
// I/O write Timeout
case "writeTimeout":
cfg.WriteTimeout, err = time.ParseDuration(value)
if err != nil {
return
}
case "maxAllowedPacket":
cfg.MaxAllowedPacket, err = strconv.Atoi(value)
if err != nil {
return
}
default:
// lazy init
if cfg.Params == nil {
cfg.Params = make(map[string]string)
}
if cfg.Params[param[0]], err = url.QueryUnescape(value); err != nil {
return
}
}
}
return
}
func ensureHavePort(addr string) string {
if _, _, err := net.SplitHostPort(addr); err != nil {
return net.JoinHostPort(addr, "3306")
}
return addr
}

77
vendor/github.com/go-sql-driver/mysql/errors.go generated vendored
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@ -1,77 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2013 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"errors"
"fmt"
"log"
"os"
)
// Various errors the driver might return. Can change between driver versions.
var (
ErrInvalidConn = errors.New("invalid connection")
ErrMalformPkt = errors.New("malformed packet")
ErrNoTLS = errors.New("TLS requested but server does not support TLS")
ErrCleartextPassword = errors.New("this user requires clear text authentication. If you still want to use it, please add 'allowCleartextPasswords=1' to your DSN")
ErrNativePassword = errors.New("this user requires mysql native password authentication.")
ErrOldPassword = errors.New("this user requires old password authentication. If you still want to use it, please add 'allowOldPasswords=1' to your DSN. See also https://github.com/go-sql-driver/mysql/wiki/old_passwords")
ErrUnknownPlugin = errors.New("this authentication plugin is not supported")
ErrOldProtocol = errors.New("MySQL server does not support required protocol 41+")
ErrPktSync = errors.New("commands out of sync. You can't run this command now")
ErrPktSyncMul = errors.New("commands out of sync. Did you run multiple statements at once?")
ErrPktTooLarge = errors.New("packet for query is too large. Try adjusting the `Config.MaxAllowedPacket`")
ErrBusyBuffer = errors.New("busy buffer")
// errBadConnNoWrite is used for connection errors where nothing was sent to the database yet.
// If this happens first in a function starting a database interaction, it should be replaced by driver.ErrBadConn
// to trigger a resend.
// See https://github.com/go-sql-driver/mysql/pull/302
errBadConnNoWrite = errors.New("bad connection")
)
var errLog = Logger(log.New(os.Stderr, "[mysql] ", log.Ldate|log.Ltime|log.Lshortfile))
// Logger is used to log critical error messages.
type Logger interface {
Print(v ...interface{})
}
// SetLogger is used to set the logger for critical errors.
// The initial logger is os.Stderr.
func SetLogger(logger Logger) error {
if logger == nil {
return errors.New("logger is nil")
}
errLog = logger
return nil
}
// MySQLError is an error type which represents a single MySQL error
type MySQLError struct {
Number uint16
SQLState [5]byte
Message string
}
func (me *MySQLError) Error() string {
if me.SQLState != [5]byte{} {
return fmt.Sprintf("Error %d (%s): %s", me.Number, me.SQLState, me.Message)
}
return fmt.Sprintf("Error %d: %s", me.Number, me.Message)
}
func (me *MySQLError) Is(err error) bool {
if merr, ok := err.(*MySQLError); ok {
return merr.Number == me.Number
}
return false
}

206
vendor/github.com/go-sql-driver/mysql/fields.go generated vendored
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@ -1,206 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2017 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"database/sql"
"reflect"
)
func (mf *mysqlField) typeDatabaseName() string {
switch mf.fieldType {
case fieldTypeBit:
return "BIT"
case fieldTypeBLOB:
if mf.charSet != collations[binaryCollation] {
return "TEXT"
}
return "BLOB"
case fieldTypeDate:
return "DATE"
case fieldTypeDateTime:
return "DATETIME"
case fieldTypeDecimal:
return "DECIMAL"
case fieldTypeDouble:
return "DOUBLE"
case fieldTypeEnum:
return "ENUM"
case fieldTypeFloat:
return "FLOAT"
case fieldTypeGeometry:
return "GEOMETRY"
case fieldTypeInt24:
return "MEDIUMINT"
case fieldTypeJSON:
return "JSON"
case fieldTypeLong:
if mf.flags&flagUnsigned != 0 {
return "UNSIGNED INT"
}
return "INT"
case fieldTypeLongBLOB:
if mf.charSet != collations[binaryCollation] {
return "LONGTEXT"
}
return "LONGBLOB"
case fieldTypeLongLong:
if mf.flags&flagUnsigned != 0 {
return "UNSIGNED BIGINT"
}
return "BIGINT"
case fieldTypeMediumBLOB:
if mf.charSet != collations[binaryCollation] {
return "MEDIUMTEXT"
}
return "MEDIUMBLOB"
case fieldTypeNewDate:
return "DATE"
case fieldTypeNewDecimal:
return "DECIMAL"
case fieldTypeNULL:
return "NULL"
case fieldTypeSet:
return "SET"
case fieldTypeShort:
if mf.flags&flagUnsigned != 0 {
return "UNSIGNED SMALLINT"
}
return "SMALLINT"
case fieldTypeString:
if mf.charSet == collations[binaryCollation] {
return "BINARY"
}
return "CHAR"
case fieldTypeTime:
return "TIME"
case fieldTypeTimestamp:
return "TIMESTAMP"
case fieldTypeTiny:
if mf.flags&flagUnsigned != 0 {
return "UNSIGNED TINYINT"
}
return "TINYINT"
case fieldTypeTinyBLOB:
if mf.charSet != collations[binaryCollation] {
return "TINYTEXT"
}
return "TINYBLOB"
case fieldTypeVarChar:
if mf.charSet == collations[binaryCollation] {
return "VARBINARY"
}
return "VARCHAR"
case fieldTypeVarString:
if mf.charSet == collations[binaryCollation] {
return "VARBINARY"
}
return "VARCHAR"
case fieldTypeYear:
return "YEAR"
default:
return ""
}
}
var (
scanTypeFloat32 = reflect.TypeOf(float32(0))
scanTypeFloat64 = reflect.TypeOf(float64(0))
scanTypeInt8 = reflect.TypeOf(int8(0))
scanTypeInt16 = reflect.TypeOf(int16(0))
scanTypeInt32 = reflect.TypeOf(int32(0))
scanTypeInt64 = reflect.TypeOf(int64(0))
scanTypeNullFloat = reflect.TypeOf(sql.NullFloat64{})
scanTypeNullInt = reflect.TypeOf(sql.NullInt64{})
scanTypeNullTime = reflect.TypeOf(sql.NullTime{})
scanTypeUint8 = reflect.TypeOf(uint8(0))
scanTypeUint16 = reflect.TypeOf(uint16(0))
scanTypeUint32 = reflect.TypeOf(uint32(0))
scanTypeUint64 = reflect.TypeOf(uint64(0))
scanTypeRawBytes = reflect.TypeOf(sql.RawBytes{})
scanTypeUnknown = reflect.TypeOf(new(interface{}))
)
type mysqlField struct {
tableName string
name string
length uint32
flags fieldFlag
fieldType fieldType
decimals byte
charSet uint8
}
func (mf *mysqlField) scanType() reflect.Type {
switch mf.fieldType {
case fieldTypeTiny:
if mf.flags&flagNotNULL != 0 {
if mf.flags&flagUnsigned != 0 {
return scanTypeUint8
}
return scanTypeInt8
}
return scanTypeNullInt
case fieldTypeShort, fieldTypeYear:
if mf.flags&flagNotNULL != 0 {
if mf.flags&flagUnsigned != 0 {
return scanTypeUint16
}
return scanTypeInt16
}
return scanTypeNullInt
case fieldTypeInt24, fieldTypeLong:
if mf.flags&flagNotNULL != 0 {
if mf.flags&flagUnsigned != 0 {
return scanTypeUint32
}
return scanTypeInt32
}
return scanTypeNullInt
case fieldTypeLongLong:
if mf.flags&flagNotNULL != 0 {
if mf.flags&flagUnsigned != 0 {
return scanTypeUint64
}
return scanTypeInt64
}
return scanTypeNullInt
case fieldTypeFloat:
if mf.flags&flagNotNULL != 0 {
return scanTypeFloat32
}
return scanTypeNullFloat
case fieldTypeDouble:
if mf.flags&flagNotNULL != 0 {
return scanTypeFloat64
}
return scanTypeNullFloat
case fieldTypeDecimal, fieldTypeNewDecimal, fieldTypeVarChar,
fieldTypeBit, fieldTypeEnum, fieldTypeSet, fieldTypeTinyBLOB,
fieldTypeMediumBLOB, fieldTypeLongBLOB, fieldTypeBLOB,
fieldTypeVarString, fieldTypeString, fieldTypeGeometry, fieldTypeJSON,
fieldTypeTime:
return scanTypeRawBytes
case fieldTypeDate, fieldTypeNewDate,
fieldTypeTimestamp, fieldTypeDateTime:
// NullTime is always returned for more consistent behavior as it can
// handle both cases of parseTime regardless if the field is nullable.
return scanTypeNullTime
default:
return scanTypeUnknown
}
}

25
vendor/github.com/go-sql-driver/mysql/fuzz.go generated vendored
View File

@ -1,25 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package.
//
// Copyright 2020 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
//go:build gofuzz
// +build gofuzz
package mysql
import (
"database/sql"
)
func Fuzz(data []byte) int {
db, err := sql.Open("mysql", string(data))
if err != nil {
return 0
}
db.Close()
return 1
}

182
vendor/github.com/go-sql-driver/mysql/infile.go generated vendored
View File

@ -1,182 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2013 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"fmt"
"io"
"os"
"strings"
"sync"
)
var (
fileRegister map[string]bool
fileRegisterLock sync.RWMutex
readerRegister map[string]func() io.Reader
readerRegisterLock sync.RWMutex
)
// RegisterLocalFile adds the given file to the file allowlist,
// so that it can be used by "LOAD DATA LOCAL INFILE <filepath>".
// Alternatively you can allow the use of all local files with
// the DSN parameter 'allowAllFiles=true'
//
// filePath := "/home/gopher/data.csv"
// mysql.RegisterLocalFile(filePath)
// err := db.Exec("LOAD DATA LOCAL INFILE '" + filePath + "' INTO TABLE foo")
// if err != nil {
// ...
func RegisterLocalFile(filePath string) {
fileRegisterLock.Lock()
// lazy map init
if fileRegister == nil {
fileRegister = make(map[string]bool)
}
fileRegister[strings.Trim(filePath, `"`)] = true
fileRegisterLock.Unlock()
}
// DeregisterLocalFile removes the given filepath from the allowlist.
func DeregisterLocalFile(filePath string) {
fileRegisterLock.Lock()
delete(fileRegister, strings.Trim(filePath, `"`))
fileRegisterLock.Unlock()
}
// RegisterReaderHandler registers a handler function which is used
// to receive a io.Reader.
// The Reader can be used by "LOAD DATA LOCAL INFILE Reader::<name>".
// If the handler returns a io.ReadCloser Close() is called when the
// request is finished.
//
// mysql.RegisterReaderHandler("data", func() io.Reader {
// var csvReader io.Reader // Some Reader that returns CSV data
// ... // Open Reader here
// return csvReader
// })
// err := db.Exec("LOAD DATA LOCAL INFILE 'Reader::data' INTO TABLE foo")
// if err != nil {
// ...
func RegisterReaderHandler(name string, handler func() io.Reader) {
readerRegisterLock.Lock()
// lazy map init
if readerRegister == nil {
readerRegister = make(map[string]func() io.Reader)
}
readerRegister[name] = handler
readerRegisterLock.Unlock()
}
// DeregisterReaderHandler removes the ReaderHandler function with
// the given name from the registry.
func DeregisterReaderHandler(name string) {
readerRegisterLock.Lock()
delete(readerRegister, name)
readerRegisterLock.Unlock()
}
func deferredClose(err *error, closer io.Closer) {
closeErr := closer.Close()
if *err == nil {
*err = closeErr
}
}
const defaultPacketSize = 16 * 1024 // 16KB is small enough for disk readahead and large enough for TCP
func (mc *mysqlConn) handleInFileRequest(name string) (err error) {
var rdr io.Reader
var data []byte
packetSize := defaultPacketSize
if mc.maxWriteSize < packetSize {
packetSize = mc.maxWriteSize
}
if idx := strings.Index(name, "Reader::"); idx == 0 || (idx > 0 && name[idx-1] == '/') { // io.Reader
// The server might return an an absolute path. See issue #355.
name = name[idx+8:]
readerRegisterLock.RLock()
handler, inMap := readerRegister[name]
readerRegisterLock.RUnlock()
if inMap {
rdr = handler()
if rdr != nil {
if cl, ok := rdr.(io.Closer); ok {
defer deferredClose(&err, cl)
}
} else {
err = fmt.Errorf("Reader '%s' is <nil>", name)
}
} else {
err = fmt.Errorf("Reader '%s' is not registered", name)
}
} else { // File
name = strings.Trim(name, `"`)
fileRegisterLock.RLock()
fr := fileRegister[name]
fileRegisterLock.RUnlock()
if mc.cfg.AllowAllFiles || fr {
var file *os.File
var fi os.FileInfo
if file, err = os.Open(name); err == nil {
defer deferredClose(&err, file)
// get file size
if fi, err = file.Stat(); err == nil {
rdr = file
if fileSize := int(fi.Size()); fileSize < packetSize {
packetSize = fileSize
}
}
}
} else {
err = fmt.Errorf("local file '%s' is not registered", name)
}
}
// send content packets
// if packetSize == 0, the Reader contains no data
if err == nil && packetSize > 0 {
data := make([]byte, 4+packetSize)
var n int
for err == nil {
n, err = rdr.Read(data[4:])
if n > 0 {
if ioErr := mc.writePacket(data[:4+n]); ioErr != nil {
return ioErr
}
}
}
if err == io.EOF {
err = nil
}
}
// send empty packet (termination)
if data == nil {
data = make([]byte, 4)
}
if ioErr := mc.writePacket(data[:4]); ioErr != nil {
return ioErr
}
// read OK packet
if err == nil {
return mc.readResultOK()
}
mc.readPacket()
return err
}

71
vendor/github.com/go-sql-driver/mysql/nulltime.go generated vendored
View File

@ -1,71 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2013 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"database/sql"
"database/sql/driver"
"fmt"
"time"
)
// NullTime represents a time.Time that may be NULL.
// NullTime implements the Scanner interface so
// it can be used as a scan destination:
//
// var nt NullTime
// err := db.QueryRow("SELECT time FROM foo WHERE id=?", id).Scan(&nt)
// ...
// if nt.Valid {
// // use nt.Time
// } else {
// // NULL value
// }
//
// # This NullTime implementation is not driver-specific
//
// Deprecated: NullTime doesn't honor the loc DSN parameter.
// NullTime.Scan interprets a time as UTC, not the loc DSN parameter.
// Use sql.NullTime instead.
type NullTime sql.NullTime
// Scan implements the Scanner interface.
// The value type must be time.Time or string / []byte (formatted time-string),
// otherwise Scan fails.
func (nt *NullTime) Scan(value interface{}) (err error) {
if value == nil {
nt.Time, nt.Valid = time.Time{}, false
return
}
switch v := value.(type) {
case time.Time:
nt.Time, nt.Valid = v, true
return
case []byte:
nt.Time, err = parseDateTime(v, time.UTC)
nt.Valid = (err == nil)
return
case string:
nt.Time, err = parseDateTime([]byte(v), time.UTC)
nt.Valid = (err == nil)
return
}
nt.Valid = false
return fmt.Errorf("Can't convert %T to time.Time", value)
}
// Value implements the driver Valuer interface.
func (nt NullTime) Value() (driver.Value, error) {
if !nt.Valid {
return nil, nil
}
return nt.Time, nil
}

1349
vendor/github.com/go-sql-driver/mysql/packets.go generated vendored
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File diff suppressed because it is too large Load Diff

22
vendor/github.com/go-sql-driver/mysql/result.go generated vendored
View File

@ -1,22 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
type mysqlResult struct {
affectedRows int64
insertId int64
}
func (res *mysqlResult) LastInsertId() (int64, error) {
return res.insertId, nil
}
func (res *mysqlResult) RowsAffected() (int64, error) {
return res.affectedRows, nil
}

223
vendor/github.com/go-sql-driver/mysql/rows.go generated vendored
View File

@ -1,223 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"database/sql/driver"
"io"
"math"
"reflect"
)
type resultSet struct {
columns []mysqlField
columnNames []string
done bool
}
type mysqlRows struct {
mc *mysqlConn
rs resultSet
finish func()
}
type binaryRows struct {
mysqlRows
}
type textRows struct {
mysqlRows
}
func (rows *mysqlRows) Columns() []string {
if rows.rs.columnNames != nil {
return rows.rs.columnNames
}
columns := make([]string, len(rows.rs.columns))
if rows.mc != nil && rows.mc.cfg.ColumnsWithAlias {
for i := range columns {
if tableName := rows.rs.columns[i].tableName; len(tableName) > 0 {
columns[i] = tableName + "." + rows.rs.columns[i].name
} else {
columns[i] = rows.rs.columns[i].name
}
}
} else {
for i := range columns {
columns[i] = rows.rs.columns[i].name
}
}
rows.rs.columnNames = columns
return columns
}
func (rows *mysqlRows) ColumnTypeDatabaseTypeName(i int) string {
return rows.rs.columns[i].typeDatabaseName()
}
// func (rows *mysqlRows) ColumnTypeLength(i int) (length int64, ok bool) {
// return int64(rows.rs.columns[i].length), true
// }
func (rows *mysqlRows) ColumnTypeNullable(i int) (nullable, ok bool) {
return rows.rs.columns[i].flags&flagNotNULL == 0, true
}
func (rows *mysqlRows) ColumnTypePrecisionScale(i int) (int64, int64, bool) {
column := rows.rs.columns[i]
decimals := int64(column.decimals)
switch column.fieldType {
case fieldTypeDecimal, fieldTypeNewDecimal:
if decimals > 0 {
return int64(column.length) - 2, decimals, true
}
return int64(column.length) - 1, decimals, true
case fieldTypeTimestamp, fieldTypeDateTime, fieldTypeTime:
return decimals, decimals, true
case fieldTypeFloat, fieldTypeDouble:
if decimals == 0x1f {
return math.MaxInt64, math.MaxInt64, true
}
return math.MaxInt64, decimals, true
}
return 0, 0, false
}
func (rows *mysqlRows) ColumnTypeScanType(i int) reflect.Type {
return rows.rs.columns[i].scanType()
}
func (rows *mysqlRows) Close() (err error) {
if f := rows.finish; f != nil {
f()
rows.finish = nil
}
mc := rows.mc
if mc == nil {
return nil
}
if err := mc.error(); err != nil {
return err
}
// flip the buffer for this connection if we need to drain it.
// note that for a successful query (i.e. one where rows.next()
// has been called until it returns false), `rows.mc` will be nil
// by the time the user calls `(*Rows).Close`, so we won't reach this
// see: https://github.com/golang/go/commit/651ddbdb5056ded455f47f9c494c67b389622a47
mc.buf.flip()
// Remove unread packets from stream
if !rows.rs.done {
err = mc.readUntilEOF()
}
if err == nil {
if err = mc.discardResults(); err != nil {
return err
}
}
rows.mc = nil
return err
}
func (rows *mysqlRows) HasNextResultSet() (b bool) {
if rows.mc == nil {
return false
}
return rows.mc.status&statusMoreResultsExists != 0
}
func (rows *mysqlRows) nextResultSet() (int, error) {
if rows.mc == nil {
return 0, io.EOF
}
if err := rows.mc.error(); err != nil {
return 0, err
}
// Remove unread packets from stream
if !rows.rs.done {
if err := rows.mc.readUntilEOF(); err != nil {
return 0, err
}
rows.rs.done = true
}
if !rows.HasNextResultSet() {
rows.mc = nil
return 0, io.EOF
}
rows.rs = resultSet{}
return rows.mc.readResultSetHeaderPacket()
}
func (rows *mysqlRows) nextNotEmptyResultSet() (int, error) {
for {
resLen, err := rows.nextResultSet()
if err != nil {
return 0, err
}
if resLen > 0 {
return resLen, nil
}
rows.rs.done = true
}
}
func (rows *binaryRows) NextResultSet() error {
resLen, err := rows.nextNotEmptyResultSet()
if err != nil {
return err
}
rows.rs.columns, err = rows.mc.readColumns(resLen)
return err
}
func (rows *binaryRows) Next(dest []driver.Value) error {
if mc := rows.mc; mc != nil {
if err := mc.error(); err != nil {
return err
}
// Fetch next row from stream
return rows.readRow(dest)
}
return io.EOF
}
func (rows *textRows) NextResultSet() (err error) {
resLen, err := rows.nextNotEmptyResultSet()
if err != nil {
return err
}
rows.rs.columns, err = rows.mc.readColumns(resLen)
return err
}
func (rows *textRows) Next(dest []driver.Value) error {
if mc := rows.mc; mc != nil {
if err := mc.error(); err != nil {
return err
}
// Fetch next row from stream
return rows.readRow(dest)
}
return io.EOF
}

220
vendor/github.com/go-sql-driver/mysql/statement.go generated vendored
View File

@ -1,220 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"database/sql/driver"
"encoding/json"
"fmt"
"io"
"reflect"
)
type mysqlStmt struct {
mc *mysqlConn
id uint32
paramCount int
}
func (stmt *mysqlStmt) Close() error {
if stmt.mc == nil || stmt.mc.closed.Load() {
// driver.Stmt.Close can be called more than once, thus this function
// has to be idempotent.
// See also Issue #450 and golang/go#16019.
//errLog.Print(ErrInvalidConn)
return driver.ErrBadConn
}
err := stmt.mc.writeCommandPacketUint32(comStmtClose, stmt.id)
stmt.mc = nil
return err
}
func (stmt *mysqlStmt) NumInput() int {
return stmt.paramCount
}
func (stmt *mysqlStmt) ColumnConverter(idx int) driver.ValueConverter {
return converter{}
}
func (stmt *mysqlStmt) CheckNamedValue(nv *driver.NamedValue) (err error) {
nv.Value, err = converter{}.ConvertValue(nv.Value)
return
}
func (stmt *mysqlStmt) Exec(args []driver.Value) (driver.Result, error) {
if stmt.mc.closed.Load() {
errLog.Print(ErrInvalidConn)
return nil, driver.ErrBadConn
}
// Send command
err := stmt.writeExecutePacket(args)
if err != nil {
return nil, stmt.mc.markBadConn(err)
}
mc := stmt.mc
mc.affectedRows = 0
mc.insertId = 0
// Read Result
resLen, err := mc.readResultSetHeaderPacket()
if err != nil {
return nil, err
}
if resLen > 0 {
// Columns
if err = mc.readUntilEOF(); err != nil {
return nil, err
}
// Rows
if err := mc.readUntilEOF(); err != nil {
return nil, err
}
}
if err := mc.discardResults(); err != nil {
return nil, err
}
return &mysqlResult{
affectedRows: int64(mc.affectedRows),
insertId: int64(mc.insertId),
}, nil
}
func (stmt *mysqlStmt) Query(args []driver.Value) (driver.Rows, error) {
return stmt.query(args)
}
func (stmt *mysqlStmt) query(args []driver.Value) (*binaryRows, error) {
if stmt.mc.closed.Load() {
errLog.Print(ErrInvalidConn)
return nil, driver.ErrBadConn
}
// Send command
err := stmt.writeExecutePacket(args)
if err != nil {
return nil, stmt.mc.markBadConn(err)
}
mc := stmt.mc
// Read Result
resLen, err := mc.readResultSetHeaderPacket()
if err != nil {
return nil, err
}
rows := new(binaryRows)
if resLen > 0 {
rows.mc = mc
rows.rs.columns, err = mc.readColumns(resLen)
} else {
rows.rs.done = true
switch err := rows.NextResultSet(); err {
case nil, io.EOF:
return rows, nil
default:
return nil, err
}
}
return rows, err
}
var jsonType = reflect.TypeOf(json.RawMessage{})
type converter struct{}
// ConvertValue mirrors the reference/default converter in database/sql/driver
// with _one_ exception. We support uint64 with their high bit and the default
// implementation does not. This function should be kept in sync with
// database/sql/driver defaultConverter.ConvertValue() except for that
// deliberate difference.
func (c converter) ConvertValue(v interface{}) (driver.Value, error) {
if driver.IsValue(v) {
return v, nil
}
if vr, ok := v.(driver.Valuer); ok {
sv, err := callValuerValue(vr)
if err != nil {
return nil, err
}
if driver.IsValue(sv) {
return sv, nil
}
// A value returned from the Valuer interface can be "a type handled by
// a database driver's NamedValueChecker interface" so we should accept
// uint64 here as well.
if u, ok := sv.(uint64); ok {
return u, nil
}
return nil, fmt.Errorf("non-Value type %T returned from Value", sv)
}
rv := reflect.ValueOf(v)
switch rv.Kind() {
case reflect.Ptr:
// indirect pointers
if rv.IsNil() {
return nil, nil
} else {
return c.ConvertValue(rv.Elem().Interface())
}
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return rv.Int(), nil
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
return rv.Uint(), nil
case reflect.Float32, reflect.Float64:
return rv.Float(), nil
case reflect.Bool:
return rv.Bool(), nil
case reflect.Slice:
switch t := rv.Type(); {
case t == jsonType:
return v, nil
case t.Elem().Kind() == reflect.Uint8:
return rv.Bytes(), nil
default:
return nil, fmt.Errorf("unsupported type %T, a slice of %s", v, t.Elem().Kind())
}
case reflect.String:
return rv.String(), nil
}
return nil, fmt.Errorf("unsupported type %T, a %s", v, rv.Kind())
}
var valuerReflectType = reflect.TypeOf((*driver.Valuer)(nil)).Elem()
// callValuerValue returns vr.Value(), with one exception:
// If vr.Value is an auto-generated method on a pointer type and the
// pointer is nil, it would panic at runtime in the panicwrap
// method. Treat it like nil instead.
//
// This is so people can implement driver.Value on value types and
// still use nil pointers to those types to mean nil/NULL, just like
// string/*string.
//
// This is an exact copy of the same-named unexported function from the
// database/sql package.
func callValuerValue(vr driver.Valuer) (v driver.Value, err error) {
if rv := reflect.ValueOf(vr); rv.Kind() == reflect.Ptr &&
rv.IsNil() &&
rv.Type().Elem().Implements(valuerReflectType) {
return nil, nil
}
return vr.Value()
}

31
vendor/github.com/go-sql-driver/mysql/transaction.go generated vendored
View File

@ -1,31 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
type mysqlTx struct {
mc *mysqlConn
}
func (tx *mysqlTx) Commit() (err error) {
if tx.mc == nil || tx.mc.closed.Load() {
return ErrInvalidConn
}
err = tx.mc.exec("COMMIT")
tx.mc = nil
return
}
func (tx *mysqlTx) Rollback() (err error) {
if tx.mc == nil || tx.mc.closed.Load() {
return ErrInvalidConn
}
err = tx.mc.exec("ROLLBACK")
tx.mc = nil
return
}

834
vendor/github.com/go-sql-driver/mysql/utils.go generated vendored
View File

@ -1,834 +0,0 @@
// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
//
// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at http://mozilla.org/MPL/2.0/.
package mysql
import (
"crypto/tls"
"database/sql"
"database/sql/driver"
"encoding/binary"
"errors"
"fmt"
"io"
"strconv"
"strings"
"sync"
"sync/atomic"
"time"
)
// Registry for custom tls.Configs
var (
tlsConfigLock sync.RWMutex
tlsConfigRegistry map[string]*tls.Config
)
// RegisterTLSConfig registers a custom tls.Config to be used with sql.Open.
// Use the key as a value in the DSN where tls=value.
//
// Note: The provided tls.Config is exclusively owned by the driver after
// registering it.
//
// rootCertPool := x509.NewCertPool()
// pem, err := ioutil.ReadFile("/path/ca-cert.pem")
// if err != nil {
// log.Fatal(err)
// }
// if ok := rootCertPool.AppendCertsFromPEM(pem); !ok {
// log.Fatal("Failed to append PEM.")
// }
// clientCert := make([]tls.Certificate, 0, 1)
// certs, err := tls.LoadX509KeyPair("/path/client-cert.pem", "/path/client-key.pem")
// if err != nil {
// log.Fatal(err)
// }
// clientCert = append(clientCert, certs)
// mysql.RegisterTLSConfig("custom", &tls.Config{
// RootCAs: rootCertPool,
// Certificates: clientCert,
// })
// db, err := sql.Open("mysql", "user@tcp(localhost:3306)/test?tls=custom")
func RegisterTLSConfig(key string, config *tls.Config) error {
if _, isBool := readBool(key); isBool || strings.ToLower(key) == "skip-verify" || strings.ToLower(key) == "preferred" {
return fmt.Errorf("key '%s' is reserved", key)
}
tlsConfigLock.Lock()
if tlsConfigRegistry == nil {
tlsConfigRegistry = make(map[string]*tls.Config)
}
tlsConfigRegistry[key] = config
tlsConfigLock.Unlock()
return nil
}
// DeregisterTLSConfig removes the tls.Config associated with key.
func DeregisterTLSConfig(key string) {
tlsConfigLock.Lock()
if tlsConfigRegistry != nil {
delete(tlsConfigRegistry, key)
}
tlsConfigLock.Unlock()
}
func getTLSConfigClone(key string) (config *tls.Config) {
tlsConfigLock.RLock()
if v, ok := tlsConfigRegistry[key]; ok {
config = v.Clone()
}
tlsConfigLock.RUnlock()
return
}
// Returns the bool value of the input.
// The 2nd return value indicates if the input was a valid bool value
func readBool(input string) (value bool, valid bool) {
switch input {
case "1", "true", "TRUE", "True":
return true, true
case "0", "false", "FALSE", "False":
return false, true
}
// Not a valid bool value
return
}
/******************************************************************************
* Time related utils *
******************************************************************************/
func parseDateTime(b []byte, loc *time.Location) (time.Time, error) {
const base = "0000-00-00 00:00:00.000000"
switch len(b) {
case 10, 19, 21, 22, 23, 24, 25, 26: // up to "YYYY-MM-DD HH:MM:SS.MMMMMM"
if string(b) == base[:len(b)] {
return time.Time{}, nil
}
year, err := parseByteYear(b)
if err != nil {
return time.Time{}, err
}
if b[4] != '-' {
return time.Time{}, fmt.Errorf("bad value for field: `%c`", b[4])
}
m, err := parseByte2Digits(b[5], b[6])
if err != nil {
return time.Time{}, err
}
month := time.Month(m)
if b[7] != '-' {
return time.Time{}, fmt.Errorf("bad value for field: `%c`", b[7])
}
day, err := parseByte2Digits(b[8], b[9])
if err != nil {
return time.Time{}, err
}
if len(b) == 10 {
return time.Date(year, month, day, 0, 0, 0, 0, loc), nil
}
if b[10] != ' ' {
return time.Time{}, fmt.Errorf("bad value for field: `%c`", b[10])
}
hour, err := parseByte2Digits(b[11], b[12])
if err != nil {
return time.Time{}, err
}
if b[13] != ':' {
return time.Time{}, fmt.Errorf("bad value for field: `%c`", b[13])
}
min, err := parseByte2Digits(b[14], b[15])
if err != nil {
return time.Time{}, err
}
if b[16] != ':' {
return time.Time{}, fmt.Errorf("bad value for field: `%c`", b[16])
}
sec, err := parseByte2Digits(b[17], b[18])
if err != nil {
return time.Time{}, err
}
if len(b) == 19 {
return time.Date(year, month, day, hour, min, sec, 0, loc), nil
}
if b[19] != '.' {
return time.Time{}, fmt.Errorf("bad value for field: `%c`", b[19])
}
nsec, err := parseByteNanoSec(b[20:])
if err != nil {
return time.Time{}, err
}
return time.Date(year, month, day, hour, min, sec, nsec, loc), nil
default:
return time.Time{}, fmt.Errorf("invalid time bytes: %s", b)
}
}
func parseByteYear(b []byte) (int, error) {
year, n := 0, 1000
for i := 0; i < 4; i++ {
v, err := bToi(b[i])
if err != nil {
return 0, err
}
year += v * n
n /= 10
}
return year, nil
}
func parseByte2Digits(b1, b2 byte) (int, error) {
d1, err := bToi(b1)
if err != nil {
return 0, err
}
d2, err := bToi(b2)
if err != nil {
return 0, err
}
return d1*10 + d2, nil
}
func parseByteNanoSec(b []byte) (int, error) {
ns, digit := 0, 100000 // max is 6-digits
for i := 0; i < len(b); i++ {
v, err := bToi(b[i])
if err != nil {
return 0, err
}
ns += v * digit
digit /= 10
}
// nanoseconds has 10-digits. (needs to scale digits)
// 10 - 6 = 4, so we have to multiple 1000.
return ns * 1000, nil
}
func bToi(b byte) (int, error) {
if b < '0' || b > '9' {
return 0, errors.New("not [0-9]")
}
return int(b - '0'), nil
}
func parseBinaryDateTime(num uint64, data []byte, loc *time.Location) (driver.Value, error) {
switch num {
case 0:
return time.Time{}, nil
case 4:
return time.Date(
int(binary.LittleEndian.Uint16(data[:2])), // year
time.Month(data[2]), // month
int(data[3]), // day
0, 0, 0, 0,
loc,
), nil
case 7:
return time.Date(
int(binary.LittleEndian.Uint16(data[:2])), // year
time.Month(data[2]), // month
int(data[3]), // day
int(data[4]), // hour
int(data[5]), // minutes
int(data[6]), // seconds
0,
loc,
), nil
case 11:
return time.Date(
int(binary.LittleEndian.Uint16(data[:2])), // year
time.Month(data[2]), // month
int(data[3]), // day
int(data[4]), // hour
int(data[5]), // minutes
int(data[6]), // seconds
int(binary.LittleEndian.Uint32(data[7:11]))*1000, // nanoseconds
loc,
), nil
}
return nil, fmt.Errorf("invalid DATETIME packet length %d", num)
}
func appendDateTime(buf []byte, t time.Time) ([]byte, error) {
year, month, day := t.Date()
hour, min, sec := t.Clock()
nsec := t.Nanosecond()
if year < 1 || year > 9999 {
return buf, errors.New("year is not in the range [1, 9999]: " + strconv.Itoa(year)) // use errors.New instead of fmt.Errorf to avoid year escape to heap
}
year100 := year / 100
year1 := year % 100
var localBuf [len("2006-01-02T15:04:05.999999999")]byte // does not escape
localBuf[0], localBuf[1], localBuf[2], localBuf[3] = digits10[year100], digits01[year100], digits10[year1], digits01[year1]
localBuf[4] = '-'
localBuf[5], localBuf[6] = digits10[month], digits01[month]
localBuf[7] = '-'
localBuf[8], localBuf[9] = digits10[day], digits01[day]
if hour == 0 && min == 0 && sec == 0 && nsec == 0 {
return append(buf, localBuf[:10]...), nil
}
localBuf[10] = ' '
localBuf[11], localBuf[12] = digits10[hour], digits01[hour]
localBuf[13] = ':'
localBuf[14], localBuf[15] = digits10[min], digits01[min]
localBuf[16] = ':'
localBuf[17], localBuf[18] = digits10[sec], digits01[sec]
if nsec == 0 {
return append(buf, localBuf[:19]...), nil
}
nsec100000000 := nsec / 100000000
nsec1000000 := (nsec / 1000000) % 100
nsec10000 := (nsec / 10000) % 100
nsec100 := (nsec / 100) % 100
nsec1 := nsec % 100
localBuf[19] = '.'
// milli second
localBuf[20], localBuf[21], localBuf[22] =
digits01[nsec100000000], digits10[nsec1000000], digits01[nsec1000000]
// micro second
localBuf[23], localBuf[24], localBuf[25] =
digits10[nsec10000], digits01[nsec10000], digits10[nsec100]
// nano second
localBuf[26], localBuf[27], localBuf[28] =
digits01[nsec100], digits10[nsec1], digits01[nsec1]
// trim trailing zeros
n := len(localBuf)
for n > 0 && localBuf[n-1] == '0' {
n--
}
return append(buf, localBuf[:n]...), nil
}
// zeroDateTime is used in formatBinaryDateTime to avoid an allocation
// if the DATE or DATETIME has the zero value.
// It must never be changed.
// The current behavior depends on database/sql copying the result.
var zeroDateTime = []byte("0000-00-00 00:00:00.000000")
const digits01 = "0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789"
const digits10 = "0000000000111111111122222222223333333333444444444455555555556666666666777777777788888888889999999999"
func appendMicrosecs(dst, src []byte, decimals int) []byte {
if decimals <= 0 {
return dst
}
if len(src) == 0 {
return append(dst, ".000000"[:decimals+1]...)
}
microsecs := binary.LittleEndian.Uint32(src[:4])
p1 := byte(microsecs / 10000)
microsecs -= 10000 * uint32(p1)
p2 := byte(microsecs / 100)
microsecs -= 100 * uint32(p2)
p3 := byte(microsecs)
switch decimals {
default:
return append(dst, '.',
digits10[p1], digits01[p1],
digits10[p2], digits01[p2],
digits10[p3], digits01[p3],
)
case 1:
return append(dst, '.',
digits10[p1],
)
case 2:
return append(dst, '.',
digits10[p1], digits01[p1],
)
case 3:
return append(dst, '.',
digits10[p1], digits01[p1],
digits10[p2],
)
case 4:
return append(dst, '.',
digits10[p1], digits01[p1],
digits10[p2], digits01[p2],
)
case 5:
return append(dst, '.',
digits10[p1], digits01[p1],
digits10[p2], digits01[p2],
digits10[p3],
)
}
}
func formatBinaryDateTime(src []byte, length uint8) (driver.Value, error) {
// length expects the deterministic length of the zero value,
// negative time and 100+ hours are automatically added if needed
if len(src) == 0 {
return zeroDateTime[:length], nil
}
var dst []byte // return value
var p1, p2, p3 byte // current digit pair
switch length {
case 10, 19, 21, 22, 23, 24, 25, 26:
default:
t := "DATE"
if length > 10 {
t += "TIME"
}
return nil, fmt.Errorf("illegal %s length %d", t, length)
}
switch len(src) {
case 4, 7, 11:
default:
t := "DATE"
if length > 10 {
t += "TIME"
}
return nil, fmt.Errorf("illegal %s packet length %d", t, len(src))
}
dst = make([]byte, 0, length)
// start with the date
year := binary.LittleEndian.Uint16(src[:2])
pt := year / 100
p1 = byte(year - 100*uint16(pt))
p2, p3 = src[2], src[3]
dst = append(dst,
digits10[pt], digits01[pt],
digits10[p1], digits01[p1], '-',
digits10[p2], digits01[p2], '-',
digits10[p3], digits01[p3],
)
if length == 10 {
return dst, nil
}
if len(src) == 4 {
return append(dst, zeroDateTime[10:length]...), nil
}
dst = append(dst, ' ')
p1 = src[4] // hour
src = src[5:]
// p1 is 2-digit hour, src is after hour
p2, p3 = src[0], src[1]
dst = append(dst,
digits10[p1], digits01[p1], ':',
digits10[p2], digits01[p2], ':',
digits10[p3], digits01[p3],
)
return appendMicrosecs(dst, src[2:], int(length)-20), nil
}
func formatBinaryTime(src []byte, length uint8) (driver.Value, error) {
// length expects the deterministic length of the zero value,
// negative time and 100+ hours are automatically added if needed
if len(src) == 0 {
return zeroDateTime[11 : 11+length], nil
}
var dst []byte // return value
switch length {
case
8, // time (can be up to 10 when negative and 100+ hours)
10, 11, 12, 13, 14, 15: // time with fractional seconds
default:
return nil, fmt.Errorf("illegal TIME length %d", length)
}
switch len(src) {
case 8, 12:
default:
return nil, fmt.Errorf("invalid TIME packet length %d", len(src))
}
// +2 to enable negative time and 100+ hours
dst = make([]byte, 0, length+2)
if src[0] == 1 {
dst = append(dst, '-')
}
days := binary.LittleEndian.Uint32(src[1:5])
hours := int64(days)*24 + int64(src[5])
if hours >= 100 {
dst = strconv.AppendInt(dst, hours, 10)
} else {
dst = append(dst, digits10[hours], digits01[hours])
}
min, sec := src[6], src[7]
dst = append(dst, ':',
digits10[min], digits01[min], ':',
digits10[sec], digits01[sec],
)
return appendMicrosecs(dst, src[8:], int(length)-9), nil
}
/******************************************************************************
* Convert from and to bytes *
******************************************************************************/
func uint64ToBytes(n uint64) []byte {
return []byte{
byte(n),
byte(n >> 8),
byte(n >> 16),
byte(n >> 24),
byte(n >> 32),
byte(n >> 40),
byte(n >> 48),
byte(n >> 56),
}
}
func uint64ToString(n uint64) []byte {
var a [20]byte
i := 20
// U+0030 = 0
// ...
// U+0039 = 9
var q uint64
for n >= 10 {
i--
q = n / 10
a[i] = uint8(n-q*10) + 0x30
n = q
}
i--
a[i] = uint8(n) + 0x30
return a[i:]
}
// treats string value as unsigned integer representation
func stringToInt(b []byte) int {
val := 0
for i := range b {
val *= 10
val += int(b[i] - 0x30)
}
return val
}
// returns the string read as a bytes slice, whether the value is NULL,
// the number of bytes read and an error, in case the string is longer than
// the input slice
func readLengthEncodedString(b []byte) ([]byte, bool, int, error) {
// Get length
num, isNull, n := readLengthEncodedInteger(b)
if num < 1 {
return b[n:n], isNull, n, nil
}
n += int(num)
// Check data length
if len(b) >= n {
return b[n-int(num) : n : n], false, n, nil
}
return nil, false, n, io.EOF
}
// returns the number of bytes skipped and an error, in case the string is
// longer than the input slice
func skipLengthEncodedString(b []byte) (int, error) {
// Get length
num, _, n := readLengthEncodedInteger(b)
if num < 1 {
return n, nil
}
n += int(num)
// Check data length
if len(b) >= n {
return n, nil
}
return n, io.EOF
}
// returns the number read, whether the value is NULL and the number of bytes read
func readLengthEncodedInteger(b []byte) (uint64, bool, int) {
// See issue #349
if len(b) == 0 {
return 0, true, 1
}
switch b[0] {
// 251: NULL
case 0xfb:
return 0, true, 1
// 252: value of following 2
case 0xfc:
return uint64(b[1]) | uint64(b[2])<<8, false, 3
// 253: value of following 3
case 0xfd:
return uint64(b[1]) | uint64(b[2])<<8 | uint64(b[3])<<16, false, 4
// 254: value of following 8
case 0xfe:
return uint64(b[1]) | uint64(b[2])<<8 | uint64(b[3])<<16 |
uint64(b[4])<<24 | uint64(b[5])<<32 | uint64(b[6])<<40 |
uint64(b[7])<<48 | uint64(b[8])<<56,
false, 9
}
// 0-250: value of first byte
return uint64(b[0]), false, 1
}
// encodes a uint64 value and appends it to the given bytes slice
func appendLengthEncodedInteger(b []byte, n uint64) []byte {
switch {
case n <= 250:
return append(b, byte(n))
case n <= 0xffff:
return append(b, 0xfc, byte(n), byte(n>>8))
case n <= 0xffffff:
return append(b, 0xfd, byte(n), byte(n>>8), byte(n>>16))
}
return append(b, 0xfe, byte(n), byte(n>>8), byte(n>>16), byte(n>>24),
byte(n>>32), byte(n>>40), byte(n>>48), byte(n>>56))
}
// reserveBuffer checks cap(buf) and expand buffer to len(buf) + appendSize.
// If cap(buf) is not enough, reallocate new buffer.
func reserveBuffer(buf []byte, appendSize int) []byte {
newSize := len(buf) + appendSize
if cap(buf) < newSize {
// Grow buffer exponentially
newBuf := make([]byte, len(buf)*2+appendSize)
copy(newBuf, buf)
buf = newBuf
}
return buf[:newSize]
}
// escapeBytesBackslash escapes []byte with backslashes (\)
// This escapes the contents of a string (provided as []byte) by adding backslashes before special
// characters, and turning others into specific escape sequences, such as
// turning newlines into \n and null bytes into \0.
// https://github.com/mysql/mysql-server/blob/mysql-5.7.5/mysys/charset.c#L823-L932
func escapeBytesBackslash(buf, v []byte) []byte {
pos := len(buf)
buf = reserveBuffer(buf, len(v)*2)
for _, c := range v {
switch c {
case '\x00':
buf[pos+1] = '0'
buf[pos] = '\\'
pos += 2
case '\n':
buf[pos+1] = 'n'
buf[pos] = '\\'
pos += 2
case '\r':
buf[pos+1] = 'r'
buf[pos] = '\\'
pos += 2
case '\x1a':
buf[pos+1] = 'Z'
buf[pos] = '\\'
pos += 2
case '\'':
buf[pos+1] = '\''
buf[pos] = '\\'
pos += 2
case '"':
buf[pos+1] = '"'
buf[pos] = '\\'
pos += 2
case '\\':
buf[pos+1] = '\\'
buf[pos] = '\\'
pos += 2
default:
buf[pos] = c
pos++
}
}
return buf[:pos]
}
// escapeStringBackslash is similar to escapeBytesBackslash but for string.
func escapeStringBackslash(buf []byte, v string) []byte {
pos := len(buf)
buf = reserveBuffer(buf, len(v)*2)
for i := 0; i < len(v); i++ {
c := v[i]
switch c {
case '\x00':
buf[pos+1] = '0'
buf[pos] = '\\'
pos += 2
case '\n':
buf[pos+1] = 'n'
buf[pos] = '\\'
pos += 2
case '\r':
buf[pos+1] = 'r'
buf[pos] = '\\'
pos += 2
case '\x1a':
buf[pos+1] = 'Z'
buf[pos] = '\\'
pos += 2
case '\'':
buf[pos+1] = '\''
buf[pos] = '\\'
pos += 2
case '"':
buf[pos+1] = '"'
buf[pos] = '\\'
pos += 2
case '\\':
buf[pos+1] = '\\'
buf[pos] = '\\'
pos += 2
default:
buf[pos] = c
pos++
}
}
return buf[:pos]
}
// escapeBytesQuotes escapes apostrophes in []byte by doubling them up.
// This escapes the contents of a string by doubling up any apostrophes that
// it contains. This is used when the NO_BACKSLASH_ESCAPES SQL_MODE is in
// effect on the server.
// https://github.com/mysql/mysql-server/blob/mysql-5.7.5/mysys/charset.c#L963-L1038
func escapeBytesQuotes(buf, v []byte) []byte {
pos := len(buf)
buf = reserveBuffer(buf, len(v)*2)
for _, c := range v {
if c == '\'' {
buf[pos+1] = '\''
buf[pos] = '\''
pos += 2
} else {
buf[pos] = c
pos++
}
}
return buf[:pos]
}
// escapeStringQuotes is similar to escapeBytesQuotes but for string.
func escapeStringQuotes(buf []byte, v string) []byte {
pos := len(buf)
buf = reserveBuffer(buf, len(v)*2)
for i := 0; i < len(v); i++ {
c := v[i]
if c == '\'' {
buf[pos+1] = '\''
buf[pos] = '\''
pos += 2
} else {
buf[pos] = c
pos++
}
}
return buf[:pos]
}
/******************************************************************************
* Sync utils *
******************************************************************************/
// noCopy may be embedded into structs which must not be copied
// after the first use.
//
// See https://github.com/golang/go/issues/8005#issuecomment-190753527
// for details.
type noCopy struct{}
// Lock is a no-op used by -copylocks checker from `go vet`.
func (*noCopy) Lock() {}
// Unlock is a no-op used by -copylocks checker from `go vet`.
// noCopy should implement sync.Locker from Go 1.11
// https://github.com/golang/go/commit/c2eba53e7f80df21d51285879d51ab81bcfbf6bc
// https://github.com/golang/go/issues/26165
func (*noCopy) Unlock() {}
// atomicError is a wrapper for atomically accessed error values
type atomicError struct {
_ noCopy
value atomic.Value
}
// Set sets the error value regardless of the previous value.
// The value must not be nil
func (ae *atomicError) Set(value error) {
ae.value.Store(value)
}
// Value returns the current error value
func (ae *atomicError) Value() error {
if v := ae.value.Load(); v != nil {
// this will panic if the value doesn't implement the error interface
return v.(error)
}
return nil
}
func namedValueToValue(named []driver.NamedValue) ([]driver.Value, error) {
dargs := make([]driver.Value, len(named))
for n, param := range named {
if len(param.Name) > 0 {
// TODO: support the use of Named Parameters #561
return nil, errors.New("mysql: driver does not support the use of Named Parameters")
}
dargs[n] = param.Value
}
return dargs, nil
}
func mapIsolationLevel(level driver.IsolationLevel) (string, error) {
switch sql.IsolationLevel(level) {
case sql.LevelRepeatableRead:
return "REPEATABLE READ", nil
case sql.LevelReadCommitted:
return "READ COMMITTED", nil
case sql.LevelReadUncommitted:
return "READ UNCOMMITTED", nil
case sql.LevelSerializable:
return "SERIALIZABLE", nil
default:
return "", fmt.Errorf("mysql: unsupported isolation level: %v", level)
}
}

32
vendor/github.com/goccy/go-json/.codecov.yml generated vendored Normal file
View File

@ -0,0 +1,32 @@
codecov:
require_ci_to_pass: yes
coverage:
precision: 2
round: down
range: "70...100"
status:
project:
default:
target: 70%
threshold: 2%
patch: off
changes: no
parsers:
gcov:
branch_detection:
conditional: yes
loop: yes
method: no
macro: no
comment:
layout: "header,diff"
behavior: default
require_changes: no
ignore:
- internal/encoder/vm_color
- internal/encoder/vm_color_indent

2
vendor/github.com/goccy/go-json/.gitignore generated vendored Normal file
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@ -0,0 +1,2 @@
cover.html
cover.out

75
vendor/github.com/goccy/go-json/.golangci.yml generated vendored Normal file
View File

@ -0,0 +1,75 @@
run:
skip-files:
- encode_optype.go
- ".*_test\\.go$"
linters-settings:
govet:
enable-all: true
disable:
- shadow
linters:
enable-all: true
disable:
- dogsled
- dupl
- exhaustive
- exhaustivestruct
- errorlint
- forbidigo
- funlen
- gci
- gochecknoglobals
- gochecknoinits
- gocognit
- gocritic
- gocyclo
- godot
- godox
- goerr113
- gofumpt
- gomnd
- gosec
- ifshort
- lll
- makezero
- nakedret
- nestif
- nlreturn
- paralleltest
- testpackage
- thelper
- wrapcheck
- interfacer
- lll
- nakedret
- nestif
- nlreturn
- testpackage
- wsl
issues:
exclude-rules:
# not needed
- path: /*.go
text: "ST1003: should not use underscores in package names"
linters:
- stylecheck
- path: /*.go
text: "don't use an underscore in package name"
linters:
- golint
- path: rtype.go
linters:
- golint
- stylecheck
- path: error.go
linters:
- staticcheck
# Maximum issues count per one linter. Set to 0 to disable. Default is 50.
max-issues-per-linter: 0
# Maximum count of issues with the same text. Set to 0 to disable. Default is 3.
max-same-issues: 0

268
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# v0.7.10 - 2021/10/16
* Fix conversion from pointer to uint64 ( #294 )
# v0.7.9 - 2021/09/28
* Fix encoding of nil value about interface type that has method ( #291 )
# v0.7.8 - 2021/09/01
* Fix mapassign_faststr for indirect struct type ( #283 )
* Fix encoding of not empty interface type ( #284 )
* Fix encoding of empty struct interface type ( #286 )
# v0.7.7 - 2021/08/25
* Fix invalid utf8 on stream decoder ( #279 )
* Fix buffer length bug on string stream decoder ( #280 )
Thank you @orisano !!
# v0.7.6 - 2021/08/13
* Fix nil slice assignment ( #276 )
* Improve error message ( #277 )
# v0.7.5 - 2021/08/12
* Fix encoding of embedded struct with tags ( #265 )
* Fix encoding of embedded struct that isn't first field ( #272 )
* Fix decoding of binary type with escaped char ( #273 )
# v0.7.4 - 2021/07/06
* Fix encoding of indirect layout structure ( #264 )
# v0.7.3 - 2021/06/29
* Fix encoding of pointer type in empty interface ( #262 )
# v0.7.2 - 2021/06/26
### Fix decoder
* Add decoder for func type to fix decoding of nil function value ( #257 )
* Fix stream decoding of []byte type ( #258 )
### Performance
* Improve decoding performance of map[string]interface{} type ( use `mapassign_faststr` ) ( #256 )
* Improve encoding performance of empty interface type ( remove recursive calling of `vm.Run` ) ( #259 )
### Benchmark
* Add bytedance/sonic as benchmark target ( #254 )
# v0.7.1 - 2021/06/18
### Fix decoder
* Fix error when unmarshal empty array ( #253 )
# v0.7.0 - 2021/06/12
### Support context for MarshalJSON and UnmarshalJSON ( #248 )
* json.MarshalContext(context.Context, interface{}, ...json.EncodeOption) ([]byte, error)
* json.NewEncoder(io.Writer).EncodeContext(context.Context, interface{}, ...json.EncodeOption) error
* json.UnmarshalContext(context.Context, []byte, interface{}, ...json.DecodeOption) error
* json.NewDecoder(io.Reader).DecodeContext(context.Context, interface{}) error
```go
type MarshalerContext interface {
MarshalJSON(context.Context) ([]byte, error)
}
type UnmarshalerContext interface {
UnmarshalJSON(context.Context, []byte) error
}
```
### Add DecodeFieldPriorityFirstWin option ( #242 )
In the default behavior, go-json, like encoding/json, will reflect the result of the last evaluation when a field with the same name exists. I've added new options to allow you to change this behavior. `json.DecodeFieldPriorityFirstWin` option reflects the result of the first evaluation if a field with the same name exists. This behavior has a performance advantage as it allows the subsequent strings to be skipped if all fields have been evaluated.
### Fix encoder
* Fix indent number contains recursive type ( #249 )
* Fix encoding of using empty interface as map key ( #244 )
### Fix decoder
* Fix decoding fields containing escaped characters ( #237 )
### Refactor
* Move some tests to subdirectory ( #243 )
* Refactor package layout for decoder ( #238 )
# v0.6.1 - 2021/06/02
### Fix encoder
* Fix value of totalLength for encoding ( #236 )
# v0.6.0 - 2021/06/01
### Support Colorize option for encoding (#233)
```go
b, err := json.MarshalWithOption(v, json.Colorize(json.DefaultColorScheme))
if err != nil {
...
}
fmt.Println(string(b)) // print colored json
```
### Refactor
* Fix opcode layout - Adjust memory layout of the opcode to 128 bytes in a 64-bit environment ( #230 )
* Refactor encode option ( #231 )
* Refactor escape string ( #232 )
# v0.5.1 - 2021/5/20
### Optimization
* Add type addrShift to enable bigger encoder/decoder cache ( #213 )
### Fix decoder
* Keep original reference of slice element ( #229 )
### Refactor
* Refactor Debug mode for encoding ( #226 )
* Generate VM sources for encoding ( #227 )
* Refactor validator for null/true/false for decoding ( #221 )
# v0.5.0 - 2021/5/9
### Supports using omitempty and string tags at the same time ( #216 )
### Fix decoder
* Fix stream decoder for unicode char ( #215 )
* Fix decoding of slice element ( #219 )
* Fix calculating of buffer length for stream decoder ( #220 )
### Refactor
* replace skipWhiteSpace goto by loop ( #212 )
# v0.4.14 - 2021/5/4
### Benchmark
* Add valyala/fastjson to benchmark ( #193 )
* Add benchmark task for CI ( #211 )
### Fix decoder
* Fix decoding of slice with unmarshal json type ( #198 )
* Fix decoding of null value for interface type that does not implement Unmarshaler ( #205 )
* Fix decoding of null value to []byte by json.Unmarshal ( #206 )
* Fix decoding of backslash char at the end of string ( #207 )
* Fix stream decoder for null/true/false value ( #208 )
* Fix stream decoder for slow reader ( #211 )
### Performance
* If cap of slice is enough, reuse slice data for compatibility with encoding/json ( #200 )
# v0.4.13 - 2021/4/20
### Fix json.Compact and json.Indent
* Support validation the input buffer for json.Compact and json.Indent ( #189 )
* Optimize json.Compact and json.Indent ( improve memory footprint ) ( #190 )
# v0.4.12 - 2021/4/15
### Fix encoder
* Fix unnecessary indent for empty slice type ( #181 )
* Fix encoding of omitempty feature for the slice or interface type ( #183 )
* Fix encoding custom types zero values with omitempty when marshaller exists ( #187 )
### Fix decoder
* Fix decoder for invalid top level value ( #184 )
* Fix decoder for invalid number value ( #185 )
# v0.4.11 - 2021/4/3
* Improve decoder performance for interface type
# v0.4.10 - 2021/4/2
### Fix encoder
* Fixed a bug when encoding slice and map containing recursive structures
* Fixed a logic to determine if indirect reference
# v0.4.9 - 2021/3/29
### Add debug mode
If you use `json.MarshalWithOption(v, json.Debug())` and `panic` occurred in `go-json`, produces debug information to console.
### Support a new feature to compatible with encoding/json
- invalid UTF-8 is coerced to valid UTF-8 ( without performance down )
### Fix encoder
- Fixed handling of MarshalJSON of function type
### Fix decoding of slice of pointer type
If there is a pointer value, go-json will use it. (This behavior is necessary to achieve the ability to prioritize pre-filled values). However, since slices are reused internally, there was a bug that referred to the previous pointer value. Therefore, it is not necessary to refer to the pointer value in advance for the slice element, so we explicitly initialize slice element by `nil`.
# v0.4.8 - 2021/3/21
### Reduce memory usage at compile time
* go-json have used about 2GB of memory at compile time, but now it can compile with about less than 550MB.
### Fix any encoder's bug
* Add many test cases for encoder
* Fix composite type ( slice/array/map )
* Fix pointer types
* Fix encoding of MarshalJSON or MarshalText or json.Number type
### Refactor encoder
* Change package layout for reducing memory usage at compile
* Remove anonymous and only operation
* Remove root property from encodeCompileContext and opcode
### Fix CI
* Add Go 1.16
* Remove Go 1.13
* Fix `make cover` task
### Number/Delim/Token/RawMessage use the types defined in encoding/json by type alias
# v0.4.7 - 2021/02/22
### Fix decoder
* Fix decoding of deep recursive structure
* Fix decoding of embedded unexported pointer field
* Fix invalid test case
* Fix decoding of invalid value
* Fix decoding of prefilled value
* Fix not being able to return UnmarshalTypeError when it should be returned
* Fix decoding of null value
* Fix decoding of type of null string
* Use pre allocated pointer if exists it at decoding
### Reduce memory usage at compile
* Integrate int/int8/int16/int32/int64 and uint/uint8/uint16/uint32/uint64 operation to reduce memory usage at compile
### Remove unnecessary optype

4
vendor/github.com/jinzhu/inflection/LICENSE → vendor/github.com/goccy/go-json/LICENSE generated vendored
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@ -1,6 +1,6 @@
The MIT License (MIT) MIT License
Copyright (c) 2015 - Jinzhu Copyright (c) 2020 Masaaki Goshima
Permission is hereby granted, free of charge, to any person obtaining a copy Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal of this software and associated documentation files (the "Software"), to deal

39
vendor/github.com/goccy/go-json/Makefile generated vendored Normal file
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@ -0,0 +1,39 @@
PKG := github.com/goccy/go-json
BIN_DIR := $(CURDIR)/bin
PKGS := $(shell go list ./... | grep -v internal/cmd|grep -v test)
COVER_PKGS := $(foreach pkg,$(PKGS),$(subst $(PKG),.,$(pkg)))
COMMA := ,
EMPTY :=
SPACE := $(EMPTY) $(EMPTY)
COVERPKG_OPT := $(subst $(SPACE),$(COMMA),$(COVER_PKGS))
$(BIN_DIR):
@mkdir -p $(BIN_DIR)
.PHONY: cover
cover:
go test -coverpkg=$(COVERPKG_OPT) -coverprofile=cover.out ./...
.PHONY: cover-html
cover-html: cover
go tool cover -html=cover.out
.PHONY: lint
lint: golangci-lint
golangci-lint run
golangci-lint: | $(BIN_DIR)
@{ \
set -e; \
GOLANGCI_LINT_TMP_DIR=$$(mktemp -d); \
cd $$GOLANGCI_LINT_TMP_DIR; \
go mod init tmp; \
GOBIN=$(BIN_DIR) go get github.com/golangci/golangci-lint/cmd/golangci-lint@v1.36.0; \
rm -rf $$GOLANGCI_LINT_TMP_DIR; \
}
.PHONY: generate
generate:
go generate ./internal/...

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@ -0,0 +1,529 @@
# go-json
![Go](https://github.com/goccy/go-json/workflows/Go/badge.svg)
[![GoDoc](https://godoc.org/github.com/goccy/go-json?status.svg)](https://pkg.go.dev/github.com/goccy/go-json?tab=doc)
[![codecov](https://codecov.io/gh/goccy/go-json/branch/master/graph/badge.svg)](https://codecov.io/gh/goccy/go-json)
Fast JSON encoder/decoder compatible with encoding/json for Go
<img width="400px" src="https://user-images.githubusercontent.com/209884/92572337-42b42900-f2bf-11ea-973a-c74a359553a5.png"></img>
# Roadmap
```
* version ( expected release date )
* v0.7.0
|
| while maintaining compatibility with encoding/json, we will add convenient APIs
|
v
* v1.0.0
```
We are accepting requests for features that will be implemented between v0.7.0 and v.1.0.0.
If you have the API you need, please submit your issue [here](https://github.com/goccy/go-json/issues).
For example, I'm thinking of supporting `context.Context` of `json.Marshaler` and decoding using JSON Path.
# Features
- Drop-in replacement of `encoding/json`
- Fast ( See [Benchmark section](https://github.com/goccy/go-json#benchmarks) )
- Flexible customization with options
- Coloring the encoded string
- Can propagate context.Context to `MarshalJSON` or `UnmarshalJSON`
# Installation
```
go get github.com/goccy/go-json
```
# How to use
Replace import statement from `encoding/json` to `github.com/goccy/go-json`
```
-import "encoding/json"
+import "github.com/goccy/go-json"
```
# JSON library comparison
| name | encoder | decoder | compatible with `encoding/json` |
| :----: | :------: | :-----: | :-----------------------------: |
| encoding/json | yes | yes | N/A |
| [json-iterator/go](https://github.com/json-iterator/go) | yes | yes | partial |
| [easyjson](https://github.com/mailru/easyjson) | yes | yes | no |
| [gojay](https://github.com/francoispqt/gojay) | yes | yes | no |
| [segmentio/encoding/json](https://github.com/segmentio/encoding/tree/master/json) | yes | yes | partial |
| [jettison](https://github.com/wI2L/jettison) | yes | no | no |
| [simdjson-go](https://github.com/minio/simdjson-go) | no | yes | no |
| goccy/go-json | yes | yes | yes |
- `json-iterator/go` isn't compatible with `encoding/json` in many ways (e.g. https://github.com/json-iterator/go/issues/229 ), but it hasn't been supported for a long time.
- `segmentio/encoding/json` is well supported for encoders, but some are not supported for decoder APIs such as `Token` ( streaming decode )
## Other libraries
- [jingo](https://github.com/bet365/jingo)
I tried the benchmark but it didn't work.
Also, it seems to panic when it receives an unexpected value because there is no error handling...
- [ffjson](https://github.com/pquerna/ffjson)
Benchmarking gave very slow results.
It seems that it is assumed that the user will use the buffer pool properly.
Also, development seems to have already stopped
# Benchmarks
```
$ cd benchmarks
$ go test -bench .
```
## Encode
<img width="700px" src="https://user-images.githubusercontent.com/209884/107126758-0845cb00-68f5-11eb-8db7-086fcf9bcfaa.png"></img>
<img width="700px" src="https://user-images.githubusercontent.com/209884/107126757-07ad3480-68f5-11eb-87aa-858cc5eacfcb.png"></img>
## Decode
<img width="700" alt="" src="https://user-images.githubusercontent.com/209884/107979944-bd1d6d80-7002-11eb-944b-9d17b6674e3f.png">
<img width="700" alt="" src="https://user-images.githubusercontent.com/209884/107979931-b989e680-7002-11eb-87a0-66fc22d90dd4.png">
<img width="700" alt="" src="https://user-images.githubusercontent.com/209884/107979940-bc84d700-7002-11eb-9647-869bbc25c9d9.png">
# Fuzzing
[go-json-fuzz](https://github.com/goccy/go-json-fuzz) is the repository for fuzzing tests.
If you run the test in this repository and find a bug, please commit to corpus to go-json-fuzz and report the issue to [go-json](https://github.com/goccy/go-json/issues).
# How it works
`go-json` is very fast in both encoding and decoding compared to other libraries.
It's easier to implement by using automatic code generation for performance or by using a dedicated interface, but `go-json` dares to stick to compatibility with `encoding/json` and is the simple interface. Despite this, we are developing with the aim of being the fastest library.
Here, we explain the various speed-up techniques implemented by `go-json`.
## Basic technique
The techniques listed here are the ones used by most of the libraries listed above.
### Buffer reuse
Since the only value required for the result of `json.Marshal(interface{}) ([]byte, error)` is `[]byte`, the only value that must be allocated during encoding is the return value `[]byte` .
Also, as the number of allocations increases, the performance will be affected, so the number of allocations should be kept as low as possible when creating `[]byte`.
Therefore, there is a technique to reduce the number of times a new buffer must be allocated by reusing the buffer used for the previous encoding by using `sync.Pool`.
Finally, you allocate a buffer that is as long as the resulting buffer and copy the contents into it, you only need to allocate the buffer once in theory.
```go
type buffer struct {
data []byte
}
var bufPool = sync.Pool{
New: func() interface{} {
return &buffer{data: make([]byte, 0, 1024)}
},
}
buf := bufPool.Get().(*buffer)
data := encode(buf.data) // reuse buf.data
newBuf := make([]byte, len(data))
copy(newBuf, buf)
buf.data = data
bufPool.Put(buf)
```
### Elimination of reflection
As you know, the reflection operation is very slow.
Therefore, using the fact that the address position where the type information is stored is fixed for each binary ( we call this `typeptr` ),
we can use the address in the type information to call a pre-built optimized process.
For example, you can get the address to the type information from `interface{}` as follows and you can use that information to call a process that does not have reflection.
To process without reflection, pass a pointer (`unsafe.Pointer`) to the value is stored.
```go
type emptyInterface struct {
typ unsafe.Pointer
ptr unsafe.Pointer
}
var typeToEncoder = map[uintptr]func(unsafe.Pointer)([]byte, error){}
func Marshal(v interface{}) ([]byte, error) {
iface := (*emptyInterface)(unsafe.Pointer(&v)
typeptr := uintptr(iface.typ)
if enc, exists := typeToEncoder[typeptr]; exists {
return enc(iface.ptr)
}
...
}
```
※ In reality, `typeToEncoder` can be referenced by multiple goroutines, so exclusive control is required.
## Unique speed-up technique
## Encoder
### Do not escape arguments of `Marshal`
`json.Marshal` and `json.Unmarshal` receive `interface{}` value and they perform type determination dynamically to process.
In normal case, you need to use the `reflect` library to determine the type dynamically, but since `reflect.Type` is defined as `interface`, when you call the method of `reflect.Type`, The reflect's argument is escaped.
Therefore, the arguments for `Marshal` and `Unmarshal` are always escape to the heap.
However, `go-json` can use the feature of `reflect.Type` while avoiding escaping.
`reflect.Type` is defined as `interface`, but in reality `reflect.Type` is implemented only by the structure `rtype` defined in the `reflect` package.
For this reason, to date `reflect.Type` is the same as `*reflect.rtype`.
Therefore, by directly handling `*reflect.rtype`, which is an implementation of `reflect.Type`, it is possible to avoid escaping because it changes from `interface` to using `struct`.
The technique for working with `*reflect.rtype` directly from `go-json` is implemented at [rtype.go](https://github.com/goccy/go-json/blob/master/internal/runtime/rtype.go)
Also, the same technique is cut out as a library ( https://github.com/goccy/go-reflect )
Initially this feature was the default behavior of `go-json`.
But after careful testing, I found that I passed a large value to `json.Marshal()` and if the argument could not be assigned to the stack, it could not be properly escaped to the heap (a bug in the Go compiler).
Therefore, this feature will be provided as an **optional** until this issue is resolved.
To use it, add `NoEscape` like `MarshalNoEscape()`
### Encoding using opcode sequence
I explained that you can use `typeptr` to call a pre-built process from type information.
In other libraries, this dedicated process is processed by making it an function calling like anonymous function, but function calls are inherently slow processes and should be avoided as much as possible.
Therefore, `go-json` adopted the Instruction-based execution processing system, which is also used to implement virtual machines for programming language.
If it is the first type to encode, create the opcode ( instruction ) sequence required for encoding.
From the second time onward, use `typeptr` to get the cached pre-built opcode sequence and encode it based on it. An example of the opcode sequence is shown below.
```go
json.Marshal(struct{
X int `json:"x"`
Y string `json:"y"`
}{X: 1, Y: "hello"})
```
When encoding a structure like the one above, create a sequence of opcodes like this:
```
- opStructFieldHead ( `{` )
- opStructFieldInt ( `"x": 1,` )
- opStructFieldString ( `"y": "hello"` )
- opStructEnd ( `}` )
- opEnd
```
※ When processing each operation, write the letters on the right.
In addition, each opcode is managed by the following structure (
Pseudo code ).
```go
type opType int
const (
opStructFieldHead opType = iota
opStructFieldInt
opStructFieldStirng
opStructEnd
opEnd
)
type opcode struct {
op opType
key []byte
next *opcode
}
```
The process of encoding using the opcode sequence is roughly implemented as follows.
```go
func encode(code *opcode, b []byte, p unsafe.Pointer) ([]byte, error) {
for {
switch code.op {
case opStructFieldHead:
b = append(b, '{')
code = code.next
case opStructFieldInt:
b = append(b, code.key...)
b = appendInt((*int)(unsafe.Pointer(uintptr(p)+code.offset)))
code = code.next
case opStructFieldString:
b = append(b, code.key...)
b = appendString((*string)(unsafe.Pointer(uintptr(p)+code.offset)))
code = code.next
case opStructEnd:
b = append(b, '}')
code = code.next
case opEnd:
goto END
}
}
END:
return b, nil
}
```
In this way, the huge `switch-case` is used to encode by manipulating the linked list opcodes to avoid unnecessary function calls.
### Opcode sequence optimization
One of the advantages of encoding using the opcode sequence is the ease of optimization.
The opcode sequence mentioned above is actually converted into the following optimized operations and used.
```
- opStructFieldHeadInt ( `{"x": 1,` )
- opStructEndString ( `"y": "hello"}` )
- opEnd
```
It has been reduced from 5 opcodes to 3 opcodes !
Reducing the number of opcodees means reducing the number of branches with `switch-case`.
In other words, the closer the number of operations is to 1, the faster the processing can be performed.
In `go-json`, optimization to reduce the number of opcodes itself like the above and it speeds up by preparing opcodes with optimized paths.
### Change recursive call from CALL to JMP
Recursive processing is required during encoding if the type is defined recursively as follows:
```go
type T struct {
X int
U *U
}
type U struct {
T *T
}
b, err := json.Marshal(&T{
X: 1,
U: &U{
T: &T{
X: 2,
},
},
})
fmt.Println(string(b)) // {"X":1,"U":{"T":{"X":2,"U":null}}}
```
In `go-json`, recursive processing is processed by the operation type of ` opStructFieldRecursive`.
In this operation, after acquiring the opcode sequence used for recursive processing, the function is **not** called recursively as it is, but the necessary values ​​are saved by itself and implemented by moving to the next operation.
The technique of implementing recursive processing with the `JMP` operation while avoiding the `CALL` operation is a famous technique for implementing a high-speed virtual machine.
For more details, please refer to [the article](https://engineering.mercari.com/blog/entry/1599563768-081104c850) ( but Japanese only ).
### Dispatch by typeptr from map to slice
When retrieving the data cached from the type information by `typeptr`, we usually use map.
Map requires exclusive control, so use `sync.Map` for a naive implementation.
However, this is slow, so it's a good idea to use the `atomic` package for exclusive control as implemented by `segmentio/encoding/json` ( https://github.com/segmentio/encoding/blob/master/json/codec.go#L41-L55 ).
This implementation slows down the set instead of speeding up the get, but it works well because of the nature of the library, it encodes much more for the same type.
However, as a result of profiling, I noticed that `runtime.mapaccess2` accounts for a significant percentage of the execution time. So I thought if I could change the lookup from map to slice.
There is an API named `typelinks` defined in the `runtime` package that the `reflect` package uses internally.
This allows you to get all the type information defined in the binary at runtime.
The fact that all type information can be acquired means that by constructing slices in advance with the acquired total number of type information, it is possible to look up with the value of `typeptr` without worrying about out-of-range access.
However, if there is too much type information, it will use a lot of memory, so by default we will only use this optimization if the slice size fits within **2Mib** .
If this approach is not available, it will fall back to the `atomic` based process described above.
If you want to know more, please refer to the implementation [here](https://github.com/goccy/go-json/blob/master/internal/runtime/type.go#L36-L100)
## Decoder
### Dispatch by typeptr from map to slice
Like the encoder, the decoder also uses typeptr to call the dedicated process.
### Faster termination character inspection using NUL character
In order to decode, you have to traverse the input buffer character by position.
At that time, if you check whether the buffer has reached the end, it will be very slow.
`buf` : `[]byte` type variable. holds the string passed to the decoder
`cursor` : `int64` type variable. holds the current read position
```go
buflen := len(buf)
for ; cursor < buflen; cursor++ { // compare cursor and buflen at all times, it is so slow.
switch buf[cursor] {
case ' ', '\n', '\r', '\t':
}
}
```
Therefore, by adding the `NUL` (`\000`) character to the end of the read buffer as shown below, it is possible to check the termination character at the same time as other characters.
```go
for {
switch buf[cursor] {
case ' ', '\n', '\r', '\t':
case '\000':
return nil
}
cursor++
}
```
### Use Boundary Check Elimination
Due to the `NUL` character optimization, the Go compiler does a boundary check every time, even though `buf[cursor]` does not cause out-of-range access.
Therefore, `go-json` eliminates boundary check by fetching characters for hotspot by pointer operation. For example, the following code.
```go
func char(ptr unsafe.Pointer, offset int64) byte {
return *(*byte)(unsafe.Pointer(uintptr(ptr) + uintptr(offset)))
}
p := (*sliceHeader)(&unsafe.Pointer(buf)).data
for {
switch char(p, cursor) {
case ' ', '\n', '\r', '\t':
case '\000':
return nil
}
cursor++
}
```
### Checking the existence of fields of struct using Bitmaps
I found by the profiling result, in the struct decode, lookup process for field was taking a long time.
For example, consider decoding a string like `{"a":1,"b":2,"c":3}` into the following structure:
```go
type T struct {
A int `json:"a"`
B int `json:"b"`
C int `json:"c"`
}
```
At this time, it was found that it takes a lot of time to acquire the decoding process corresponding to the field from the field name as shown below during the decoding process.
```go
fieldName := decodeKey(buf, cursor) // "a" or "b" or "c"
decoder, exists := fieldToDecoderMap[fieldName] // so slow
if exists {
decoder(buf, cursor)
} else {
skipValue(buf, cursor)
}
```
To improve this process, `json-iterator/go` is optimized so that it can be branched by switch-case when the number of fields in the structure is 10 or less (switch-case is faster than map). However, there is a risk of hash collision because the value hashed by the FNV algorithm is used for conditional branching. Also, `gojay` processes this part at high speed by letting the library user yourself write `switch-case`.
`go-json` considers and implements a new approach that is different from these. I call this **bitmap field optimization**.
The range of values ​​per character can be represented by `[256]byte`. Also, if the number of fields in the structure is 8 or less, `int8` type can represent the state of each field.
In other words, it has the following structure.
- Base ( 8bit ): `00000000`
- Key "a": `00000001` ( assign key "a" to the first bit )
- Key "b": `00000010` ( assign key "b" to the second bit )
- Key "c": `00000100` ( assign key "c" to the third bit )
Bitmap structure is the following
```
| key index(0) |
------------------------
0 | 00000000 |
1 | 00000000 |
~~ | |
97 (a) | 00000001 |
98 (b) | 00000010 |
99 (c) | 00000100 |
~~ | |
255 | 00000000 |
```
You can think of this as a Bitmap with a height of `256` and a width of the maximum string length in the field name.
In other words, it can be represented by the following type .
```go
[maxFieldKeyLength][256]int8
```
When decoding a field character, check whether the corresponding character exists by referring to the pre-built bitmap like the following.
```go
var curBit int8 = math.MaxInt8 // 11111111
c := char(buf, cursor)
bit := bitmap[keyIdx][c]
curBit &= bit
if curBit == 0 {
// not found field
}
```
If `curBit` is not `0` until the end of the field string, then the string is
You may have hit one of the fields.
But the possibility is that if the decoded string is shorter than the field string, you will get a false hit.
- input: `{"a":1}`
```go
type T struct {
X int `json:"abc"`
}
```
※ Since `a` is shorter than `abc`, it can decode to the end of the field character without `curBit` being 0.
Rest assured. In this case, it doesn't matter because you can tell if you hit by comparing the string length of `a` with the string length of `abc`.
Finally, calculate the position of the bit where `1` is set and get the corresponding value, and you're done.
Using this technique, field lookups are possible with only bitwise operations and access to slices.
`go-json` uses a similar technique for fields with 9 or more and 16 or less fields. At this time, Bitmap is constructed as `[maxKeyLen][256]int16` type.
Currently, this optimization is not performed when the maximum length of the field name is long (specifically, 64 bytes or more) in addition to the limitation of the number of fields from the viewpoint of saving memory usage.
### Others
I have done a lot of other optimizations. I will find time to write about them. If you have any questions about what's written here or other optimizations, please visit the `#go-json` channel on `gophers.slack.com` .
## Reference
Regarding the story of go-json, there are the following articles in Japanese only.
- https://speakerdeck.com/goccy/zui-su-falsejsonraiburariwoqiu-mete
- https://engineering.mercari.com/blog/entry/1599563768-081104c850/
# Looking for Sponsors
I'm looking for sponsors this library. This library is being developed as a personal project in my spare time. If you want a quick response or problem resolution when using this library in your project, please register as a [sponsor](https://github.com/sponsors/goccy). I will cooperate as much as possible. Of course, this library is developed as an MIT license, so you can use it freely for free.
# License
MIT

68
vendor/github.com/goccy/go-json/color.go generated vendored Normal file
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@ -0,0 +1,68 @@
package json
import (
"fmt"
"github.com/goccy/go-json/internal/encoder"
)
type (
ColorFormat = encoder.ColorFormat
ColorScheme = encoder.ColorScheme
)
const escape = "\x1b"
type colorAttr int
//nolint:deadcode,varcheck
const (
fgBlackColor colorAttr = iota + 30
fgRedColor
fgGreenColor
fgYellowColor
fgBlueColor
fgMagentaColor
fgCyanColor
fgWhiteColor
)
//nolint:deadcode,varcheck
const (
fgHiBlackColor colorAttr = iota + 90
fgHiRedColor
fgHiGreenColor
fgHiYellowColor
fgHiBlueColor
fgHiMagentaColor
fgHiCyanColor
fgHiWhiteColor
)
func createColorFormat(attr colorAttr) ColorFormat {
return ColorFormat{
Header: wrapColor(attr),
Footer: resetColor(),
}
}
func wrapColor(attr colorAttr) string {
return fmt.Sprintf("%s[%dm", escape, attr)
}
func resetColor() string {
return wrapColor(colorAttr(0))
}
var (
DefaultColorScheme = &ColorScheme{
Int: createColorFormat(fgHiMagentaColor),
Uint: createColorFormat(fgHiMagentaColor),
Float: createColorFormat(fgHiMagentaColor),
Bool: createColorFormat(fgHiYellowColor),
String: createColorFormat(fgHiGreenColor),
Binary: createColorFormat(fgHiRedColor),
ObjectKey: createColorFormat(fgHiCyanColor),
Null: createColorFormat(fgBlueColor),
}
)

232
vendor/github.com/goccy/go-json/decode.go generated vendored Normal file
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@ -0,0 +1,232 @@
package json
import (
"context"
"fmt"
"io"
"reflect"
"unsafe"
"github.com/goccy/go-json/internal/decoder"
"github.com/goccy/go-json/internal/errors"
"github.com/goccy/go-json/internal/runtime"
)
type Decoder struct {
s *decoder.Stream
}
const (
nul = '\000'
)
type emptyInterface struct {
typ *runtime.Type
ptr unsafe.Pointer
}
func unmarshal(data []byte, v interface{}, optFuncs ...DecodeOptionFunc) error {
src := make([]byte, len(data)+1) // append nul byte to the end
copy(src, data)
header := (*emptyInterface)(unsafe.Pointer(&v))
if err := validateType(header.typ, uintptr(header.ptr)); err != nil {
return err
}
dec, err := decoder.CompileToGetDecoder(header.typ)
if err != nil {
return err
}
ctx := decoder.TakeRuntimeContext()
ctx.Buf = src
ctx.Option.Flags = 0
for _, optFunc := range optFuncs {
optFunc(ctx.Option)
}
cursor, err := dec.Decode(ctx, 0, 0, header.ptr)
if err != nil {
decoder.ReleaseRuntimeContext(ctx)
return err
}
decoder.ReleaseRuntimeContext(ctx)
return validateEndBuf(src, cursor)
}
func unmarshalContext(ctx context.Context, data []byte, v interface{}, optFuncs ...DecodeOptionFunc) error {
src := make([]byte, len(data)+1) // append nul byte to the end
copy(src, data)
header := (*emptyInterface)(unsafe.Pointer(&v))
if err := validateType(header.typ, uintptr(header.ptr)); err != nil {
return err
}
dec, err := decoder.CompileToGetDecoder(header.typ)
if err != nil {
return err
}
rctx := decoder.TakeRuntimeContext()
rctx.Buf = src
rctx.Option.Flags = 0
rctx.Option.Flags |= decoder.ContextOption
rctx.Option.Context = ctx
for _, optFunc := range optFuncs {
optFunc(rctx.Option)
}
cursor, err := dec.Decode(rctx, 0, 0, header.ptr)
if err != nil {
decoder.ReleaseRuntimeContext(rctx)
return err
}
decoder.ReleaseRuntimeContext(rctx)
return validateEndBuf(src, cursor)
}
func unmarshalNoEscape(data []byte, v interface{}, optFuncs ...DecodeOptionFunc) error {
src := make([]byte, len(data)+1) // append nul byte to the end
copy(src, data)
header := (*emptyInterface)(unsafe.Pointer(&v))
if err := validateType(header.typ, uintptr(header.ptr)); err != nil {
return err
}
dec, err := decoder.CompileToGetDecoder(header.typ)
if err != nil {
return err
}
ctx := decoder.TakeRuntimeContext()
ctx.Buf = src
ctx.Option.Flags = 0
for _, optFunc := range optFuncs {
optFunc(ctx.Option)
}
cursor, err := dec.Decode(ctx, 0, 0, noescape(header.ptr))
if err != nil {
decoder.ReleaseRuntimeContext(ctx)
return err
}
decoder.ReleaseRuntimeContext(ctx)
return validateEndBuf(src, cursor)
}
func validateEndBuf(src []byte, cursor int64) error {
for {
switch src[cursor] {
case ' ', '\t', '\n', '\r':
cursor++
continue
case nul:
return nil
}
return errors.ErrSyntax(
fmt.Sprintf("invalid character '%c' after top-level value", src[cursor]),
cursor+1,
)
}
}
//nolint:staticcheck
//go:nosplit
func noescape(p unsafe.Pointer) unsafe.Pointer {
x := uintptr(p)
return unsafe.Pointer(x ^ 0)
}
func validateType(typ *runtime.Type, p uintptr) error {
if typ == nil || typ.Kind() != reflect.Ptr || p == 0 {
return &InvalidUnmarshalError{Type: runtime.RType2Type(typ)}
}
return nil
}
// NewDecoder returns a new decoder that reads from r.
//
// The decoder introduces its own buffering and may
// read data from r beyond the JSON values requested.
func NewDecoder(r io.Reader) *Decoder {
s := decoder.NewStream(r)
return &Decoder{
s: s,
}
}
// Buffered returns a reader of the data remaining in the Decoder's
// buffer. The reader is valid until the next call to Decode.
func (d *Decoder) Buffered() io.Reader {
return d.s.Buffered()
}
// Decode reads the next JSON-encoded value from its
// input and stores it in the value pointed to by v.
//
// See the documentation for Unmarshal for details about
// the conversion of JSON into a Go value.
func (d *Decoder) Decode(v interface{}) error {
return d.DecodeWithOption(v)
}
// DecodeContext reads the next JSON-encoded value from its
// input and stores it in the value pointed to by v with context.Context.
func (d *Decoder) DecodeContext(ctx context.Context, v interface{}) error {
d.s.Option.Flags |= decoder.ContextOption
d.s.Option.Context = ctx
return d.DecodeWithOption(v)
}
func (d *Decoder) DecodeWithOption(v interface{}, optFuncs ...DecodeOptionFunc) error {
header := (*emptyInterface)(unsafe.Pointer(&v))
typ := header.typ
ptr := uintptr(header.ptr)
typeptr := uintptr(unsafe.Pointer(typ))
// noescape trick for header.typ ( reflect.*rtype )
copiedType := *(**runtime.Type)(unsafe.Pointer(&typeptr))
if err := validateType(copiedType, ptr); err != nil {
return err
}
dec, err := decoder.CompileToGetDecoder(typ)
if err != nil {
return err
}
if err := d.s.PrepareForDecode(); err != nil {
return err
}
s := d.s
for _, optFunc := range optFuncs {
optFunc(s.Option)
}
if err := dec.DecodeStream(s, 0, header.ptr); err != nil {
return err
}
s.Reset()
return nil
}
func (d *Decoder) More() bool {
return d.s.More()
}
func (d *Decoder) Token() (Token, error) {
return d.s.Token()
}
// DisallowUnknownFields causes the Decoder to return an error when the destination
// is a struct and the input contains object keys which do not match any
// non-ignored, exported fields in the destination.
func (d *Decoder) DisallowUnknownFields() {
d.s.DisallowUnknownFields = true
}
func (d *Decoder) InputOffset() int64 {
return d.s.TotalOffset()
}
// UseNumber causes the Decoder to unmarshal a number into an interface{} as a
// Number instead of as a float64.
func (d *Decoder) UseNumber() {
d.s.UseNumber = true
}

13
vendor/github.com/goccy/go-json/docker-compose.yml generated vendored Normal file
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@ -0,0 +1,13 @@
version: '2'
services:
go-json:
image: golang:1.17
volumes:
- '.:/go/src/go-json'
deploy:
resources:
limits:
memory: 620M
working_dir: /go/src/go-json
command: |
sh -c "go test -c . && ls go-json.test"

323
vendor/github.com/goccy/go-json/encode.go generated vendored Normal file
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@ -0,0 +1,323 @@
package json
import (
"context"
"io"
"unsafe"
"github.com/goccy/go-json/internal/encoder"
"github.com/goccy/go-json/internal/encoder/vm"
"github.com/goccy/go-json/internal/encoder/vm_color"
"github.com/goccy/go-json/internal/encoder/vm_color_indent"
"github.com/goccy/go-json/internal/encoder/vm_indent"
)
// An Encoder writes JSON values to an output stream.
type Encoder struct {
w io.Writer
enabledIndent bool
enabledHTMLEscape bool
prefix string
indentStr string
}
// NewEncoder returns a new encoder that writes to w.
func NewEncoder(w io.Writer) *Encoder {
return &Encoder{w: w, enabledHTMLEscape: true}
}
// Encode writes the JSON encoding of v to the stream, followed by a newline character.
//
// See the documentation for Marshal for details about the conversion of Go values to JSON.
func (e *Encoder) Encode(v interface{}) error {
return e.EncodeWithOption(v)
}
// EncodeWithOption call Encode with EncodeOption.
func (e *Encoder) EncodeWithOption(v interface{}, optFuncs ...EncodeOptionFunc) error {
ctx := encoder.TakeRuntimeContext()
ctx.Option.Flag = 0
err := e.encodeWithOption(ctx, v, optFuncs...)
encoder.ReleaseRuntimeContext(ctx)
return err
}
// EncodeContext call Encode with context.Context and EncodeOption.
func (e *Encoder) EncodeContext(ctx context.Context, v interface{}, optFuncs ...EncodeOptionFunc) error {
rctx := encoder.TakeRuntimeContext()
rctx.Option.Flag = 0
rctx.Option.Flag |= encoder.ContextOption
rctx.Option.Context = ctx
err := e.encodeWithOption(rctx, v, optFuncs...)
encoder.ReleaseRuntimeContext(rctx)
return err
}
func (e *Encoder) encodeWithOption(ctx *encoder.RuntimeContext, v interface{}, optFuncs ...EncodeOptionFunc) error {
if e.enabledHTMLEscape {
ctx.Option.Flag |= encoder.HTMLEscapeOption
}
for _, optFunc := range optFuncs {
optFunc(ctx.Option)
}
var (
buf []byte
err error
)
if e.enabledIndent {
buf, err = encodeIndent(ctx, v, e.prefix, e.indentStr)
} else {
buf, err = encode(ctx, v)
}
if err != nil {
return err
}
if e.enabledIndent {
buf = buf[:len(buf)-2]
} else {
buf = buf[:len(buf)-1]
}
buf = append(buf, '\n')
if _, err := e.w.Write(buf); err != nil {
return err
}
return nil
}
// SetEscapeHTML specifies whether problematic HTML characters should be escaped inside JSON quoted strings.
// The default behavior is to escape &, <, and > to \u0026, \u003c, and \u003e to avoid certain safety problems that can arise when embedding JSON in HTML.
//
// In non-HTML settings where the escaping interferes with the readability of the output, SetEscapeHTML(false) disables this behavior.
func (e *Encoder) SetEscapeHTML(on bool) {
e.enabledHTMLEscape = on
}
// SetIndent instructs the encoder to format each subsequent encoded value as if indented by the package-level function Indent(dst, src, prefix, indent).
// Calling SetIndent("", "") disables indentation.
func (e *Encoder) SetIndent(prefix, indent string) {
if prefix == "" && indent == "" {
e.enabledIndent = false
return
}
e.prefix = prefix
e.indentStr = indent
e.enabledIndent = true
}
func marshalContext(ctx context.Context, v interface{}, optFuncs ...EncodeOptionFunc) ([]byte, error) {
rctx := encoder.TakeRuntimeContext()
rctx.Option.Flag = 0
rctx.Option.Flag = encoder.HTMLEscapeOption | encoder.ContextOption
rctx.Option.Context = ctx
for _, optFunc := range optFuncs {
optFunc(rctx.Option)
}
buf, err := encode(rctx, v)
if err != nil {
encoder.ReleaseRuntimeContext(rctx)
return nil, err
}
// this line exists to escape call of `runtime.makeslicecopy` .
// if use `make([]byte, len(buf)-1)` and `copy(copied, buf)`,
// dst buffer size and src buffer size are differrent.
// in this case, compiler uses `runtime.makeslicecopy`, but it is slow.
buf = buf[:len(buf)-1]
copied := make([]byte, len(buf))
copy(copied, buf)
encoder.ReleaseRuntimeContext(rctx)
return copied, nil
}
func marshal(v interface{}, optFuncs ...EncodeOptionFunc) ([]byte, error) {
ctx := encoder.TakeRuntimeContext()
ctx.Option.Flag = 0
ctx.Option.Flag |= encoder.HTMLEscapeOption
for _, optFunc := range optFuncs {
optFunc(ctx.Option)
}
buf, err := encode(ctx, v)
if err != nil {
encoder.ReleaseRuntimeContext(ctx)
return nil, err
}
// this line exists to escape call of `runtime.makeslicecopy` .
// if use `make([]byte, len(buf)-1)` and `copy(copied, buf)`,
// dst buffer size and src buffer size are differrent.
// in this case, compiler uses `runtime.makeslicecopy`, but it is slow.
buf = buf[:len(buf)-1]
copied := make([]byte, len(buf))
copy(copied, buf)
encoder.ReleaseRuntimeContext(ctx)
return copied, nil
}
func marshalNoEscape(v interface{}) ([]byte, error) {
ctx := encoder.TakeRuntimeContext()
ctx.Option.Flag = 0
ctx.Option.Flag |= encoder.HTMLEscapeOption
buf, err := encodeNoEscape(ctx, v)
if err != nil {
encoder.ReleaseRuntimeContext(ctx)
return nil, err
}
// this line exists to escape call of `runtime.makeslicecopy` .
// if use `make([]byte, len(buf)-1)` and `copy(copied, buf)`,
// dst buffer size and src buffer size are differrent.
// in this case, compiler uses `runtime.makeslicecopy`, but it is slow.
buf = buf[:len(buf)-1]
copied := make([]byte, len(buf))
copy(copied, buf)
encoder.ReleaseRuntimeContext(ctx)
return copied, nil
}
func marshalIndent(v interface{}, prefix, indent string, optFuncs ...EncodeOptionFunc) ([]byte, error) {
ctx := encoder.TakeRuntimeContext()
ctx.Option.Flag = 0
ctx.Option.Flag |= (encoder.HTMLEscapeOption | encoder.IndentOption)
for _, optFunc := range optFuncs {
optFunc(ctx.Option)
}
buf, err := encodeIndent(ctx, v, prefix, indent)
if err != nil {
encoder.ReleaseRuntimeContext(ctx)
return nil, err
}
buf = buf[:len(buf)-2]
copied := make([]byte, len(buf))
copy(copied, buf)
encoder.ReleaseRuntimeContext(ctx)
return copied, nil
}
func encode(ctx *encoder.RuntimeContext, v interface{}) ([]byte, error) {
b := ctx.Buf[:0]
if v == nil {
b = encoder.AppendNull(ctx, b)
b = encoder.AppendComma(ctx, b)
return b, nil
}
header := (*emptyInterface)(unsafe.Pointer(&v))
typ := header.typ
typeptr := uintptr(unsafe.Pointer(typ))
codeSet, err := encoder.CompileToGetCodeSet(typeptr)
if err != nil {
return nil, err
}
p := uintptr(header.ptr)
ctx.Init(p, codeSet.CodeLength)
ctx.KeepRefs = append(ctx.KeepRefs, header.ptr)
buf, err := encodeRunCode(ctx, b, codeSet)
if err != nil {
return nil, err
}
ctx.Buf = buf
return buf, nil
}
func encodeNoEscape(ctx *encoder.RuntimeContext, v interface{}) ([]byte, error) {
b := ctx.Buf[:0]
if v == nil {
b = encoder.AppendNull(ctx, b)
b = encoder.AppendComma(ctx, b)
return b, nil
}
header := (*emptyInterface)(unsafe.Pointer(&v))
typ := header.typ
typeptr := uintptr(unsafe.Pointer(typ))
codeSet, err := encoder.CompileToGetCodeSet(typeptr)
if err != nil {
return nil, err
}
p := uintptr(header.ptr)
ctx.Init(p, codeSet.CodeLength)
buf, err := encodeRunCode(ctx, b, codeSet)
if err != nil {
return nil, err
}
ctx.Buf = buf
return buf, nil
}
func encodeIndent(ctx *encoder.RuntimeContext, v interface{}, prefix, indent string) ([]byte, error) {
b := ctx.Buf[:0]
if v == nil {
b = encoder.AppendNull(ctx, b)
b = encoder.AppendCommaIndent(ctx, b)
return b, nil
}
header := (*emptyInterface)(unsafe.Pointer(&v))
typ := header.typ
typeptr := uintptr(unsafe.Pointer(typ))
codeSet, err := encoder.CompileToGetCodeSet(typeptr)
if err != nil {
return nil, err
}
p := uintptr(header.ptr)
ctx.Init(p, codeSet.CodeLength)
buf, err := encodeRunIndentCode(ctx, b, codeSet, prefix, indent)
ctx.KeepRefs = append(ctx.KeepRefs, header.ptr)
if err != nil {
return nil, err
}
ctx.Buf = buf
return buf, nil
}
func encodeRunCode(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]byte, error) {
if (ctx.Option.Flag & encoder.DebugOption) != 0 {
if (ctx.Option.Flag & encoder.ColorizeOption) != 0 {
return vm_color.DebugRun(ctx, b, codeSet)
}
return vm.DebugRun(ctx, b, codeSet)
}
if (ctx.Option.Flag & encoder.ColorizeOption) != 0 {
return vm_color.Run(ctx, b, codeSet)
}
return vm.Run(ctx, b, codeSet)
}
func encodeRunIndentCode(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet, prefix, indent string) ([]byte, error) {
ctx.Prefix = []byte(prefix)
ctx.IndentStr = []byte(indent)
if (ctx.Option.Flag & encoder.DebugOption) != 0 {
if (ctx.Option.Flag & encoder.ColorizeOption) != 0 {
return vm_color_indent.DebugRun(ctx, b, codeSet)
}
return vm_indent.DebugRun(ctx, b, codeSet)
}
if (ctx.Option.Flag & encoder.ColorizeOption) != 0 {
return vm_color_indent.Run(ctx, b, codeSet)
}
return vm_indent.Run(ctx, b, codeSet)
}

39
vendor/github.com/goccy/go-json/error.go generated vendored Normal file
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@ -0,0 +1,39 @@
package json
import (
"github.com/goccy/go-json/internal/errors"
)
// Before Go 1.2, an InvalidUTF8Error was returned by Marshal when
// attempting to encode a string value with invalid UTF-8 sequences.
// As of Go 1.2, Marshal instead coerces the string to valid UTF-8 by
// replacing invalid bytes with the Unicode replacement rune U+FFFD.
//
// Deprecated: No longer used; kept for compatibility.
type InvalidUTF8Error = errors.InvalidUTF8Error
// An InvalidUnmarshalError describes an invalid argument passed to Unmarshal.
// (The argument to Unmarshal must be a non-nil pointer.)
type InvalidUnmarshalError = errors.InvalidUnmarshalError
// A MarshalerError represents an error from calling a MarshalJSON or MarshalText method.
type MarshalerError = errors.MarshalerError
// A SyntaxError is a description of a JSON syntax error.
type SyntaxError = errors.SyntaxError
// An UnmarshalFieldError describes a JSON object key that
// led to an unexported (and therefore unwritable) struct field.
//
// Deprecated: No longer used; kept for compatibility.
type UnmarshalFieldError = errors.UnmarshalFieldError
// An UnmarshalTypeError describes a JSON value that was
// not appropriate for a value of a specific Go type.
type UnmarshalTypeError = errors.UnmarshalTypeError
// An UnsupportedTypeError is returned by Marshal when attempting
// to encode an unsupported value type.
type UnsupportedTypeError = errors.UnsupportedTypeError
type UnsupportedValueError = errors.UnsupportedValueError

37
vendor/github.com/goccy/go-json/internal/decoder/anonymous_field.go generated vendored Normal file
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@ -0,0 +1,37 @@
package decoder
import (
"unsafe"
"github.com/goccy/go-json/internal/runtime"
)
type anonymousFieldDecoder struct {
structType *runtime.Type
offset uintptr
dec Decoder
}
func newAnonymousFieldDecoder(structType *runtime.Type, offset uintptr, dec Decoder) *anonymousFieldDecoder {
return &anonymousFieldDecoder{
structType: structType,
offset: offset,
dec: dec,
}
}
func (d *anonymousFieldDecoder) DecodeStream(s *Stream, depth int64, p unsafe.Pointer) error {
if *(*unsafe.Pointer)(p) == nil {
*(*unsafe.Pointer)(p) = unsafe_New(d.structType)
}
p = *(*unsafe.Pointer)(p)
return d.dec.DecodeStream(s, depth, unsafe.Pointer(uintptr(p)+d.offset))
}
func (d *anonymousFieldDecoder) Decode(ctx *RuntimeContext, cursor, depth int64, p unsafe.Pointer) (int64, error) {
if *(*unsafe.Pointer)(p) == nil {
*(*unsafe.Pointer)(p) = unsafe_New(d.structType)
}
p = *(*unsafe.Pointer)(p)
return d.dec.Decode(ctx, cursor, depth, unsafe.Pointer(uintptr(p)+d.offset))
}

169
vendor/github.com/goccy/go-json/internal/decoder/array.go generated vendored Normal file
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@ -0,0 +1,169 @@
package decoder
import (
"unsafe"
"github.com/goccy/go-json/internal/errors"
"github.com/goccy/go-json/internal/runtime"
)
type arrayDecoder struct {
elemType *runtime.Type
size uintptr
valueDecoder Decoder
alen int
structName string
fieldName string
zeroValue unsafe.Pointer
}
func newArrayDecoder(dec Decoder, elemType *runtime.Type, alen int, structName, fieldName string) *arrayDecoder {
zeroValue := *(*unsafe.Pointer)(unsafe_New(elemType))
return &arrayDecoder{
valueDecoder: dec,
elemType: elemType,
size: elemType.Size(),
alen: alen,
structName: structName,
fieldName: fieldName,
zeroValue: zeroValue,
}
}
func (d *arrayDecoder) DecodeStream(s *Stream, depth int64, p unsafe.Pointer) error {
depth++
if depth > maxDecodeNestingDepth {
return errors.ErrExceededMaxDepth(s.char(), s.cursor)
}
for {
switch s.char() {
case ' ', '\n', '\t', '\r':
case 'n':
if err := nullBytes(s); err != nil {
return err
}
return nil
case '[':
idx := 0
s.cursor++
if s.skipWhiteSpace() == ']' {
for idx < d.alen {
*(*unsafe.Pointer)(unsafe.Pointer(uintptr(p) + uintptr(idx)*d.size)) = d.zeroValue
idx++
}
s.cursor++
return nil
}
for {
if idx < d.alen {
if err := d.valueDecoder.DecodeStream(s, depth, unsafe.Pointer(uintptr(p)+uintptr(idx)*d.size)); err != nil {
return err
}
} else {
if err := s.skipValue(depth); err != nil {
return err
}
}
idx++
switch s.skipWhiteSpace() {
case ']':
for idx < d.alen {
*(*unsafe.Pointer)(unsafe.Pointer(uintptr(p) + uintptr(idx)*d.size)) = d.zeroValue
idx++
}
s.cursor++
return nil
case ',':
s.cursor++
continue
case nul:
if s.read() {
s.cursor++
continue
}
goto ERROR
default:
goto ERROR
}
}
case nul:
if s.read() {
continue
}
goto ERROR
default:
goto ERROR
}
s.cursor++
}
ERROR:
return errors.ErrUnexpectedEndOfJSON("array", s.totalOffset())
}
func (d *arrayDecoder) Decode(ctx *RuntimeContext, cursor, depth int64, p unsafe.Pointer) (int64, error) {
buf := ctx.Buf
depth++
if depth > maxDecodeNestingDepth {
return 0, errors.ErrExceededMaxDepth(buf[cursor], cursor)
}
for {
switch buf[cursor] {
case ' ', '\n', '\t', '\r':
cursor++
continue
case 'n':
if err := validateNull(buf, cursor); err != nil {
return 0, err
}
cursor += 4
return cursor, nil
case '[':
idx := 0
cursor++
cursor = skipWhiteSpace(buf, cursor)
if buf[cursor] == ']' {
for idx < d.alen {
*(*unsafe.Pointer)(unsafe.Pointer(uintptr(p) + uintptr(idx)*d.size)) = d.zeroValue
idx++
}
cursor++
return cursor, nil
}
for {
if idx < d.alen {
c, err := d.valueDecoder.Decode(ctx, cursor, depth, unsafe.Pointer(uintptr(p)+uintptr(idx)*d.size))
if err != nil {
return 0, err
}
cursor = c
} else {
c, err := skipValue(buf, cursor, depth)
if err != nil {
return 0, err
}
cursor = c
}
idx++
cursor = skipWhiteSpace(buf, cursor)
switch buf[cursor] {
case ']':
for idx < d.alen {
*(*unsafe.Pointer)(unsafe.Pointer(uintptr(p) + uintptr(idx)*d.size)) = d.zeroValue
idx++
}
cursor++
return cursor, nil
case ',':
cursor++
continue
default:
return 0, errors.ErrInvalidCharacter(buf[cursor], "array", cursor)
}
}
default:
return 0, errors.ErrUnexpectedEndOfJSON("array", cursor)
}
}
}

78
vendor/github.com/goccy/go-json/internal/decoder/bool.go generated vendored Normal file
View File

@ -0,0 +1,78 @@
package decoder
import (
"unsafe"
"github.com/goccy/go-json/internal/errors"
)
type boolDecoder struct {
structName string
fieldName string
}
func newBoolDecoder(structName, fieldName string) *boolDecoder {
return &boolDecoder{structName: structName, fieldName: fieldName}
}
func (d *boolDecoder) DecodeStream(s *Stream, depth int64, p unsafe.Pointer) error {
c := s.skipWhiteSpace()
for {
switch c {
case 't':
if err := trueBytes(s); err != nil {
return err
}
**(**bool)(unsafe.Pointer(&p)) = true
return nil
case 'f':
if err := falseBytes(s); err != nil {
return err
}
**(**bool)(unsafe.Pointer(&p)) = false
return nil
case 'n':
if err := nullBytes(s); err != nil {
return err
}
return nil
case nul:
if s.read() {
c = s.char()
continue
}
goto ERROR
}
break
}
ERROR:
return errors.ErrUnexpectedEndOfJSON("bool", s.totalOffset())
}
func (d *boolDecoder) Decode(ctx *RuntimeContext, cursor, depth int64, p unsafe.Pointer) (int64, error) {
buf := ctx.Buf
cursor = skipWhiteSpace(buf, cursor)
switch buf[cursor] {
case 't':
if err := validateTrue(buf, cursor); err != nil {
return 0, err
}
cursor += 4
**(**bool)(unsafe.Pointer(&p)) = true
return cursor, nil
case 'f':
if err := validateFalse(buf, cursor); err != nil {
return 0, err
}
cursor += 5
**(**bool)(unsafe.Pointer(&p)) = false
return cursor, nil
case 'n':
if err := validateNull(buf, cursor); err != nil {
return 0, err
}
cursor += 4
return cursor, nil
}
return 0, errors.ErrUnexpectedEndOfJSON("bool", cursor)
}

114
vendor/github.com/goccy/go-json/internal/decoder/bytes.go generated vendored Normal file
View File

@ -0,0 +1,114 @@
package decoder
import (
"encoding/base64"
"unsafe"
"github.com/goccy/go-json/internal/errors"
"github.com/goccy/go-json/internal/runtime"
)
type bytesDecoder struct {
typ *runtime.Type
sliceDecoder Decoder
stringDecoder *stringDecoder
structName string
fieldName string
}
func byteUnmarshalerSliceDecoder(typ *runtime.Type, structName string, fieldName string) Decoder {
var unmarshalDecoder Decoder
switch {
case runtime.PtrTo(typ).Implements(unmarshalJSONType):
unmarshalDecoder = newUnmarshalJSONDecoder(runtime.PtrTo(typ), structName, fieldName)
case runtime.PtrTo(typ).Implements(unmarshalTextType):
unmarshalDecoder = newUnmarshalTextDecoder(runtime.PtrTo(typ), structName, fieldName)
}
if unmarshalDecoder == nil {
return nil
}
return newSliceDecoder(unmarshalDecoder, typ, 1, structName, fieldName)
}
func newBytesDecoder(typ *runtime.Type, structName string, fieldName string) *bytesDecoder {
return &bytesDecoder{
typ: typ,
sliceDecoder: byteUnmarshalerSliceDecoder(typ, structName, fieldName),
stringDecoder: newStringDecoder(structName, fieldName),
structName: structName,
fieldName: fieldName,
}
}
func (d *bytesDecoder) DecodeStream(s *Stream, depth int64, p unsafe.Pointer) error {
bytes, err := d.decodeStreamBinary(s, depth, p)
if err != nil {
return err
}
if bytes == nil {
s.reset()
return nil
}
decodedLen := base64.StdEncoding.DecodedLen(len(bytes))
buf := make([]byte, decodedLen)
n, err := base64.StdEncoding.Decode(buf, bytes)
if err != nil {
return err
}
*(*[]byte)(p) = buf[:n]
s.reset()
return nil
}
func (d *bytesDecoder) Decode(ctx *RuntimeContext, cursor, depth int64, p unsafe.Pointer) (int64, error) {
bytes, c, err := d.decodeBinary(ctx, cursor, depth, p)
if err != nil {
return 0, err
}
if bytes == nil {
return c, nil
}
cursor = c
decodedLen := base64.StdEncoding.DecodedLen(len(bytes))
b := make([]byte, decodedLen)
n, err := base64.StdEncoding.Decode(b, bytes)
if err != nil {
return 0, err
}
*(*[]byte)(p) = b[:n]
return cursor, nil
}
func (d *bytesDecoder) decodeStreamBinary(s *Stream, depth int64, p unsafe.Pointer) ([]byte, error) {
c := s.skipWhiteSpace()
if c == '[' {
if d.sliceDecoder == nil {
return nil, &errors.UnmarshalTypeError{
Type: runtime.RType2Type(d.typ),
Offset: s.totalOffset(),
}
}
err := d.sliceDecoder.DecodeStream(s, depth, p)
return nil, err
}
return d.stringDecoder.decodeStreamByte(s)
}
func (d *bytesDecoder) decodeBinary(ctx *RuntimeContext, cursor, depth int64, p unsafe.Pointer) ([]byte, int64, error) {
buf := ctx.Buf
cursor = skipWhiteSpace(buf, cursor)
if buf[cursor] == '[' {
if d.sliceDecoder == nil {
return nil, 0, &errors.UnmarshalTypeError{
Type: runtime.RType2Type(d.typ),
Offset: cursor,
}
}
c, err := d.sliceDecoder.Decode(ctx, cursor, depth, p)
if err != nil {
return nil, 0, err
}
return nil, c, nil
}
return d.stringDecoder.decodeByte(buf, cursor)
}

510
vendor/github.com/goccy/go-json/internal/decoder/compile.go generated vendored Normal file
View File

@ -0,0 +1,510 @@
package decoder
import (
"encoding/json"
"fmt"
"reflect"
"strings"
"sync/atomic"
"unicode"
"unsafe"
"github.com/goccy/go-json/internal/errors"
"github.com/goccy/go-json/internal/runtime"
)
var (
jsonNumberType = reflect.TypeOf(json.Number(""))
typeAddr *runtime.TypeAddr
cachedDecoderMap unsafe.Pointer // map[uintptr]decoder
cachedDecoder []Decoder
)
func init() {
typeAddr = runtime.AnalyzeTypeAddr()
if typeAddr == nil {
typeAddr = &runtime.TypeAddr{}
}
cachedDecoder = make([]Decoder, typeAddr.AddrRange>>typeAddr.AddrShift)
}
func loadDecoderMap() map[uintptr]Decoder {
p := atomic.LoadPointer(&cachedDecoderMap)
return *(*map[uintptr]Decoder)(unsafe.Pointer(&p))
}
func storeDecoder(typ uintptr, dec Decoder, m map[uintptr]Decoder) {
newDecoderMap := make(map[uintptr]Decoder, len(m)+1)
newDecoderMap[typ] = dec
for k, v := range m {
newDecoderMap[k] = v
}
atomic.StorePointer(&cachedDecoderMap, *(*unsafe.Pointer)(unsafe.Pointer(&newDecoderMap)))
}
func compileToGetDecoderSlowPath(typeptr uintptr, typ *runtime.Type) (Decoder, error) {
decoderMap := loadDecoderMap()
if dec, exists := decoderMap[typeptr]; exists {
return dec, nil
}
dec, err := compileHead(typ, map[uintptr]Decoder{})
if err != nil {
return nil, err
}
storeDecoder(typeptr, dec, decoderMap)
return dec, nil
}
func compileHead(typ *runtime.Type, structTypeToDecoder map[uintptr]Decoder) (Decoder, error) {
switch {
case implementsUnmarshalJSONType(runtime.PtrTo(typ)):
return newUnmarshalJSONDecoder(runtime.PtrTo(typ), "", ""), nil
case runtime.PtrTo(typ).Implements(unmarshalTextType):
return newUnmarshalTextDecoder(runtime.PtrTo(typ), "", ""), nil
}
return compile(typ.Elem(), "", "", structTypeToDecoder)
}
func compile(typ *runtime.Type, structName, fieldName string, structTypeToDecoder map[uintptr]Decoder) (Decoder, error) {
switch {
case implementsUnmarshalJSONType(runtime.PtrTo(typ)):
return newUnmarshalJSONDecoder(runtime.PtrTo(typ), structName, fieldName), nil
case runtime.PtrTo(typ).Implements(unmarshalTextType):
return newUnmarshalTextDecoder(runtime.PtrTo(typ), structName, fieldName), nil
}
switch typ.Kind() {
case reflect.Ptr:
return compilePtr(typ, structName, fieldName, structTypeToDecoder)
case reflect.Struct:
return compileStruct(typ, structName, fieldName, structTypeToDecoder)
case reflect.Slice:
elem := typ.Elem()
if elem.Kind() == reflect.Uint8 {
return compileBytes(elem, structName, fieldName)
}
return compileSlice(typ, structName, fieldName, structTypeToDecoder)
case reflect.Array:
return compileArray(typ, structName, fieldName, structTypeToDecoder)
case reflect.Map:
return compileMap(typ, structName, fieldName, structTypeToDecoder)
case reflect.Interface:
return compileInterface(typ, structName, fieldName)
case reflect.Uintptr:
return compileUint(typ, structName, fieldName)
case reflect.Int:
return compileInt(typ, structName, fieldName)
case reflect.Int8:
return compileInt8(typ, structName, fieldName)
case reflect.Int16:
return compileInt16(typ, structName, fieldName)
case reflect.Int32:
return compileInt32(typ, structName, fieldName)
case reflect.Int64:
return compileInt64(typ, structName, fieldName)
case reflect.Uint:
return compileUint(typ, structName, fieldName)
case reflect.Uint8:
return compileUint8(typ, structName, fieldName)
case reflect.Uint16:
return compileUint16(typ, structName, fieldName)
case reflect.Uint32:
return compileUint32(typ, structName, fieldName)
case reflect.Uint64:
return compileUint64(typ, structName, fieldName)
case reflect.String:
return compileString(typ, structName, fieldName)
case reflect.Bool:
return compileBool(structName, fieldName)
case reflect.Float32:
return compileFloat32(structName, fieldName)
case reflect.Float64:
return compileFloat64(structName, fieldName)
case reflect.Func:
return compileFunc(typ, structName, fieldName)
}
return nil, &errors.UnmarshalTypeError{
Value: "object",
Type: runtime.RType2Type(typ),
Offset: 0,
Struct: structName,
Field: fieldName,
}
}
func isStringTagSupportedType(typ *runtime.Type) bool {
switch {
case implementsUnmarshalJSONType(runtime.PtrTo(typ)):
return false
case runtime.PtrTo(typ).Implements(unmarshalTextType):
return false
}
switch typ.Kind() {
case reflect.Map:
return false
case reflect.Slice:
return false
case reflect.Array:
return false
case reflect.Struct:
return false
case reflect.Interface:
return false
}
return true
}
func compileMapKey(typ *runtime.Type, structName, fieldName string, structTypeToDecoder map[uintptr]Decoder) (Decoder, error) {
if runtime.PtrTo(typ).Implements(unmarshalTextType) {
return newUnmarshalTextDecoder(runtime.PtrTo(typ), structName, fieldName), nil
}
dec, err := compile(typ, structName, fieldName, structTypeToDecoder)
if err != nil {
return nil, err
}
for {
switch t := dec.(type) {
case *stringDecoder, *interfaceDecoder:
return dec, nil
case *boolDecoder, *intDecoder, *uintDecoder, *numberDecoder:
return newWrappedStringDecoder(typ, dec, structName, fieldName), nil
case *ptrDecoder:
dec = t.dec
default:
goto ERROR
}
}
ERROR:
return nil, &errors.UnmarshalTypeError{
Value: "object",
Type: runtime.RType2Type(typ),
Offset: 0,
Struct: structName,
Field: fieldName,
}
}
func compilePtr(typ *runtime.Type, structName, fieldName string, structTypeToDecoder map[uintptr]Decoder) (Decoder, error) {
dec, err := compile(typ.Elem(), structName, fieldName, structTypeToDecoder)
if err != nil {
return nil, err
}
return newPtrDecoder(dec, typ.Elem(), structName, fieldName), nil
}
func compileInt(typ *runtime.Type, structName, fieldName string) (Decoder, error) {
return newIntDecoder(typ, structName, fieldName, func(p unsafe.Pointer, v int64) {
*(*int)(p) = int(v)
}), nil
}
func compileInt8(typ *runtime.Type, structName, fieldName string) (Decoder, error) {
return newIntDecoder(typ, structName, fieldName, func(p unsafe.Pointer, v int64) {
*(*int8)(p) = int8(v)
}), nil
}
func compileInt16(typ *runtime.Type, structName, fieldName string) (Decoder, error) {
return newIntDecoder(typ, structName, fieldName, func(p unsafe.Pointer, v int64) {
*(*int16)(p) = int16(v)
}), nil
}
func compileInt32(typ *runtime.Type, structName, fieldName string) (Decoder, error) {
return newIntDecoder(typ, structName, fieldName, func(p unsafe.Pointer, v int64) {
*(*int32)(p) = int32(v)
}), nil
}
func compileInt64(typ *runtime.Type, structName, fieldName string) (Decoder, error) {
return newIntDecoder(typ, structName, fieldName, func(p unsafe.Pointer, v int64) {
*(*int64)(p) = v
}), nil
}
func compileUint(typ *runtime.Type, structName, fieldName string) (Decoder, error) {
return newUintDecoder(typ, structName, fieldName, func(p unsafe.Pointer, v uint64) {
*(*uint)(p) = uint(v)
}), nil
}
func compileUint8(typ *runtime.Type, structName, fieldName string) (Decoder, error) {
return newUintDecoder(typ, structName, fieldName, func(p unsafe.Pointer, v uint64) {
*(*uint8)(p) = uint8(v)
}), nil
}
func compileUint16(typ *runtime.Type, structName, fieldName string) (Decoder, error) {
return newUintDecoder(typ, structName, fieldName, func(p unsafe.Pointer, v uint64) {
*(*uint16)(p) = uint16(v)
}), nil
}
func compileUint32(typ *runtime.Type, structName, fieldName string) (Decoder, error) {
return newUintDecoder(typ, structName, fieldName, func(p unsafe.Pointer, v uint64) {
*(*uint32)(p) = uint32(v)
}), nil
}
func compileUint64(typ *runtime.Type, structName, fieldName string) (Decoder, error) {
return newUintDecoder(typ, structName, fieldName, func(p unsafe.Pointer, v uint64) {
*(*uint64)(p) = v
}), nil
}
func compileFloat32(structName, fieldName string) (Decoder, error) {
return newFloatDecoder(structName, fieldName, func(p unsafe.Pointer, v float64) {
*(*float32)(p) = float32(v)
}), nil
}
func compileFloat64(structName, fieldName string) (Decoder, error) {
return newFloatDecoder(structName, fieldName, func(p unsafe.Pointer, v float64) {
*(*float64)(p) = v
}), nil
}
func compileString(typ *runtime.Type, structName, fieldName string) (Decoder, error) {
if typ == runtime.Type2RType(jsonNumberType) {
return newNumberDecoder(structName, fieldName, func(p unsafe.Pointer, v json.Number) {
*(*json.Number)(p) = v
}), nil
}
return newStringDecoder(structName, fieldName), nil
}
func compileBool(structName, fieldName string) (Decoder, error) {
return newBoolDecoder(structName, fieldName), nil
}
func compileBytes(typ *runtime.Type, structName, fieldName string) (Decoder, error) {
return newBytesDecoder(typ, structName, fieldName), nil
}
func compileSlice(typ *runtime.Type, structName, fieldName string, structTypeToDecoder map[uintptr]Decoder) (Decoder, error) {
elem := typ.Elem()
decoder, err := compile(elem, structName, fieldName, structTypeToDecoder)
if err != nil {
return nil, err
}
return newSliceDecoder(decoder, elem, elem.Size(), structName, fieldName), nil
}
func compileArray(typ *runtime.Type, structName, fieldName string, structTypeToDecoder map[uintptr]Decoder) (Decoder, error) {
elem := typ.Elem()
decoder, err := compile(elem, structName, fieldName, structTypeToDecoder)
if err != nil {
return nil, err
}
return newArrayDecoder(decoder, elem, typ.Len(), structName, fieldName), nil
}
func compileMap(typ *runtime.Type, structName, fieldName string, structTypeToDecoder map[uintptr]Decoder) (Decoder, error) {
keyDec, err := compileMapKey(typ.Key(), structName, fieldName, structTypeToDecoder)
if err != nil {
return nil, err
}
valueDec, err := compile(typ.Elem(), structName, fieldName, structTypeToDecoder)
if err != nil {
return nil, err
}
return newMapDecoder(typ, typ.Key(), keyDec, typ.Elem(), valueDec, structName, fieldName), nil
}
func compileInterface(typ *runtime.Type, structName, fieldName string) (Decoder, error) {
return newInterfaceDecoder(typ, structName, fieldName), nil
}
func compileFunc(typ *runtime.Type, strutName, fieldName string) (Decoder, error) {
return newFuncDecoder(typ, strutName, fieldName), nil
}
func removeConflictFields(fieldMap map[string]*structFieldSet, conflictedMap map[string]struct{}, dec *structDecoder, field reflect.StructField) {
for k, v := range dec.fieldMap {
if _, exists := conflictedMap[k]; exists {
// already conflicted key
continue
}
set, exists := fieldMap[k]
if !exists {
fieldSet := &structFieldSet{
dec: v.dec,
offset: field.Offset + v.offset,
isTaggedKey: v.isTaggedKey,
key: k,
keyLen: int64(len(k)),
}
fieldMap[k] = fieldSet
lower := strings.ToLower(k)
if _, exists := fieldMap[lower]; !exists {
fieldMap[lower] = fieldSet
}
continue
}
if set.isTaggedKey {
if v.isTaggedKey {
// conflict tag key
delete(fieldMap, k)
delete(fieldMap, strings.ToLower(k))
conflictedMap[k] = struct{}{}
conflictedMap[strings.ToLower(k)] = struct{}{}
}
} else {
if v.isTaggedKey {
fieldSet := &structFieldSet{
dec: v.dec,
offset: field.Offset + v.offset,
isTaggedKey: v.isTaggedKey,
key: k,
keyLen: int64(len(k)),
}
fieldMap[k] = fieldSet
lower := strings.ToLower(k)
if _, exists := fieldMap[lower]; !exists {
fieldMap[lower] = fieldSet
}
} else {
// conflict tag key
delete(fieldMap, k)
delete(fieldMap, strings.ToLower(k))
conflictedMap[k] = struct{}{}
conflictedMap[strings.ToLower(k)] = struct{}{}
}
}
}
}
func compileStruct(typ *runtime.Type, structName, fieldName string, structTypeToDecoder map[uintptr]Decoder) (Decoder, error) {
fieldNum := typ.NumField()
conflictedMap := map[string]struct{}{}
fieldMap := map[string]*structFieldSet{}
typeptr := uintptr(unsafe.Pointer(typ))
if dec, exists := structTypeToDecoder[typeptr]; exists {
return dec, nil
}
structDec := newStructDecoder(structName, fieldName, fieldMap)
structTypeToDecoder[typeptr] = structDec
structName = typ.Name()
for i := 0; i < fieldNum; i++ {
field := typ.Field(i)
if runtime.IsIgnoredStructField(field) {
continue
}
isUnexportedField := unicode.IsLower([]rune(field.Name)[0])
tag := runtime.StructTagFromField(field)
dec, err := compile(runtime.Type2RType(field.Type), structName, field.Name, structTypeToDecoder)
if err != nil {
return nil, err
}
if field.Anonymous && !tag.IsTaggedKey {
if stDec, ok := dec.(*structDecoder); ok {
if runtime.Type2RType(field.Type) == typ {
// recursive definition
continue
}
removeConflictFields(fieldMap, conflictedMap, stDec, field)
} else if pdec, ok := dec.(*ptrDecoder); ok {
contentDec := pdec.contentDecoder()
if pdec.typ == typ {
// recursive definition
continue
}
var fieldSetErr error
if isUnexportedField {
fieldSetErr = fmt.Errorf(
"json: cannot set embedded pointer to unexported struct: %v",
field.Type.Elem(),
)
}
if dec, ok := contentDec.(*structDecoder); ok {
for k, v := range dec.fieldMap {
if _, exists := conflictedMap[k]; exists {
// already conflicted key
continue
}
set, exists := fieldMap[k]
if !exists {
fieldSet := &structFieldSet{
dec: newAnonymousFieldDecoder(pdec.typ, v.offset, v.dec),
offset: field.Offset,
isTaggedKey: v.isTaggedKey,
key: k,
keyLen: int64(len(k)),
err: fieldSetErr,
}
fieldMap[k] = fieldSet
lower := strings.ToLower(k)
if _, exists := fieldMap[lower]; !exists {
fieldMap[lower] = fieldSet
}
continue
}
if set.isTaggedKey {
if v.isTaggedKey {
// conflict tag key
delete(fieldMap, k)
delete(fieldMap, strings.ToLower(k))
conflictedMap[k] = struct{}{}
conflictedMap[strings.ToLower(k)] = struct{}{}
}
} else {
if v.isTaggedKey {
fieldSet := &structFieldSet{
dec: newAnonymousFieldDecoder(pdec.typ, v.offset, v.dec),
offset: field.Offset,
isTaggedKey: v.isTaggedKey,
key: k,
keyLen: int64(len(k)),
err: fieldSetErr,
}
fieldMap[k] = fieldSet
lower := strings.ToLower(k)
if _, exists := fieldMap[lower]; !exists {
fieldMap[lower] = fieldSet
}
} else {
// conflict tag key
delete(fieldMap, k)
delete(fieldMap, strings.ToLower(k))
conflictedMap[k] = struct{}{}
conflictedMap[strings.ToLower(k)] = struct{}{}
}
}
}
}
}
} else {
if tag.IsString && isStringTagSupportedType(runtime.Type2RType(field.Type)) {
dec = newWrappedStringDecoder(runtime.Type2RType(field.Type), dec, structName, field.Name)
}
var key string
if tag.Key != "" {
key = tag.Key
} else {
key = field.Name
}
fieldSet := &structFieldSet{
dec: dec,
offset: field.Offset,
isTaggedKey: tag.IsTaggedKey,
key: key,
keyLen: int64(len(key)),
}
fieldMap[key] = fieldSet
lower := strings.ToLower(key)
if _, exists := fieldMap[lower]; !exists {
fieldMap[lower] = fieldSet
}
}
}
delete(structTypeToDecoder, typeptr)
structDec.tryOptimize()
return structDec, nil
}
func implementsUnmarshalJSONType(typ *runtime.Type) bool {
return typ.Implements(unmarshalJSONType) || typ.Implements(unmarshalJSONContextType)
}

28
vendor/github.com/goccy/go-json/internal/decoder/compile_norace.go generated vendored Normal file
View File

@ -0,0 +1,28 @@
// +build !race
package decoder
import (
"unsafe"
"github.com/goccy/go-json/internal/runtime"
)
func CompileToGetDecoder(typ *runtime.Type) (Decoder, error) {
typeptr := uintptr(unsafe.Pointer(typ))
if typeptr > typeAddr.MaxTypeAddr {
return compileToGetDecoderSlowPath(typeptr, typ)
}
index := (typeptr - typeAddr.BaseTypeAddr) >> typeAddr.AddrShift
if dec := cachedDecoder[index]; dec != nil {
return dec, nil
}
dec, err := compileHead(typ, map[uintptr]Decoder{})
if err != nil {
return nil, err
}
cachedDecoder[index] = dec
return dec, nil
}

36
vendor/github.com/goccy/go-json/internal/decoder/compile_race.go generated vendored Normal file
View File

@ -0,0 +1,36 @@
// +build race
package decoder
import (
"sync"
"unsafe"
"github.com/goccy/go-json/internal/runtime"
)
var decMu sync.RWMutex
func CompileToGetDecoder(typ *runtime.Type) (Decoder, error) {
typeptr := uintptr(unsafe.Pointer(typ))
if typeptr > typeAddr.MaxTypeAddr {
return compileToGetDecoderSlowPath(typeptr, typ)
}
index := (typeptr - typeAddr.BaseTypeAddr) >> typeAddr.AddrShift
decMu.RLock()
if dec := cachedDecoder[index]; dec != nil {
decMu.RUnlock()
return dec, nil
}
decMu.RUnlock()
dec, err := compileHead(typ, map[uintptr]Decoder{})
if err != nil {
return nil, err
}
decMu.Lock()
cachedDecoder[index] = dec
decMu.Unlock()
return dec, nil
}

254
vendor/github.com/goccy/go-json/internal/decoder/context.go generated vendored Normal file
View File

@ -0,0 +1,254 @@
package decoder
import (
"sync"
"unsafe"
"github.com/goccy/go-json/internal/errors"
)
type RuntimeContext struct {
Buf []byte
Option *Option
}
var (
runtimeContextPool = sync.Pool{
New: func() interface{} {
return &RuntimeContext{
Option: &Option{},
}
},
}
)
func TakeRuntimeContext() *RuntimeContext {
return runtimeContextPool.Get().(*RuntimeContext)
}
func ReleaseRuntimeContext(ctx *RuntimeContext) {
runtimeContextPool.Put(ctx)
}
var (
isWhiteSpace = [256]bool{}
)
func init() {
isWhiteSpace[' '] = true
isWhiteSpace['\n'] = true
isWhiteSpace['\t'] = true
isWhiteSpace['\r'] = true
}
func char(ptr unsafe.Pointer, offset int64) byte {
return *(*byte)(unsafe.Pointer(uintptr(ptr) + uintptr(offset)))
}
func skipWhiteSpace(buf []byte, cursor int64) int64 {
for isWhiteSpace[buf[cursor]] {
cursor++
}
return cursor
}
func skipObject(buf []byte, cursor, depth int64) (int64, error) {
braceCount := 1
for {
switch buf[cursor] {
case '{':
braceCount++
depth++
if depth > maxDecodeNestingDepth {
return 0, errors.ErrExceededMaxDepth(buf[cursor], cursor)
}
case '}':
depth--
braceCount--
if braceCount == 0 {
return cursor + 1, nil
}
case '[':
depth++
if depth > maxDecodeNestingDepth {
return 0, errors.ErrExceededMaxDepth(buf[cursor], cursor)
}
case ']':
depth--
case '"':
for {
cursor++
switch buf[cursor] {
case '\\':
cursor++
if buf[cursor] == nul {
return 0, errors.ErrUnexpectedEndOfJSON("string of object", cursor)
}
case '"':
goto SWITCH_OUT
case nul:
return 0, errors.ErrUnexpectedEndOfJSON("string of object", cursor)
}
}
case nul:
return 0, errors.ErrUnexpectedEndOfJSON("object of object", cursor)
}
SWITCH_OUT:
cursor++
}
}
func skipArray(buf []byte, cursor, depth int64) (int64, error) {
bracketCount := 1
for {
switch buf[cursor] {
case '[':
bracketCount++
depth++
if depth > maxDecodeNestingDepth {
return 0, errors.ErrExceededMaxDepth(buf[cursor], cursor)
}
case ']':
bracketCount--
depth--
if bracketCount == 0 {
return cursor + 1, nil
}
case '{':
depth++
if depth > maxDecodeNestingDepth {
return 0, errors.ErrExceededMaxDepth(buf[cursor], cursor)
}
case '}':
depth--
case '"':
for {
cursor++
switch buf[cursor] {
case '\\':
cursor++
if buf[cursor] == nul {
return 0, errors.ErrUnexpectedEndOfJSON("string of object", cursor)
}
case '"':
goto SWITCH_OUT
case nul:
return 0, errors.ErrUnexpectedEndOfJSON("string of object", cursor)
}
}
case nul:
return 0, errors.ErrUnexpectedEndOfJSON("array of object", cursor)
}
SWITCH_OUT:
cursor++
}
}
func skipValue(buf []byte, cursor, depth int64) (int64, error) {
for {
switch buf[cursor] {
case ' ', '\t', '\n', '\r':
cursor++
continue
case '{':
return skipObject(buf, cursor+1, depth+1)
case '[':
return skipArray(buf, cursor+1, depth+1)
case '"':
for {
cursor++
switch buf[cursor] {
case '\\':
cursor++
if buf[cursor] == nul {
return 0, errors.ErrUnexpectedEndOfJSON("string of object", cursor)
}
case '"':
return cursor + 1, nil
case nul:
return 0, errors.ErrUnexpectedEndOfJSON("string of object", cursor)
}
}
case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
for {
cursor++
if floatTable[buf[cursor]] {
continue
}
break
}
return cursor, nil
case 't':
if err := validateTrue(buf, cursor); err != nil {
return 0, err
}
cursor += 4
return cursor, nil
case 'f':
if err := validateFalse(buf, cursor); err != nil {
return 0, err
}
cursor += 5
return cursor, nil
case 'n':
if err := validateNull(buf, cursor); err != nil {
return 0, err
}
cursor += 4
return cursor, nil
default:
return cursor, errors.ErrUnexpectedEndOfJSON("null", cursor)
}
}
}
func validateTrue(buf []byte, cursor int64) error {
if cursor+3 >= int64(len(buf)) {
return errors.ErrUnexpectedEndOfJSON("true", cursor)
}
if buf[cursor+1] != 'r' {
return errors.ErrInvalidCharacter(buf[cursor+1], "true", cursor)
}
if buf[cursor+2] != 'u' {
return errors.ErrInvalidCharacter(buf[cursor+2], "true", cursor)
}
if buf[cursor+3] != 'e' {
return errors.ErrInvalidCharacter(buf[cursor+3], "true", cursor)
}
return nil
}
func validateFalse(buf []byte, cursor int64) error {
if cursor+4 >= int64(len(buf)) {
return errors.ErrUnexpectedEndOfJSON("false", cursor)
}
if buf[cursor+1] != 'a' {
return errors.ErrInvalidCharacter(buf[cursor+1], "false", cursor)
}
if buf[cursor+2] != 'l' {
return errors.ErrInvalidCharacter(buf[cursor+2], "false", cursor)
}
if buf[cursor+3] != 's' {
return errors.ErrInvalidCharacter(buf[cursor+3], "false", cursor)
}
if buf[cursor+4] != 'e' {
return errors.ErrInvalidCharacter(buf[cursor+4], "false", cursor)
}
return nil
}
func validateNull(buf []byte, cursor int64) error {
if cursor+3 >= int64(len(buf)) {
return errors.ErrUnexpectedEndOfJSON("null", cursor)
}
if buf[cursor+1] != 'u' {
return errors.ErrInvalidCharacter(buf[cursor+1], "null", cursor)
}
if buf[cursor+2] != 'l' {
return errors.ErrInvalidCharacter(buf[cursor+2], "null", cursor)
}
if buf[cursor+3] != 'l' {
return errors.ErrInvalidCharacter(buf[cursor+3], "null", cursor)
}
return nil
}

158
vendor/github.com/goccy/go-json/internal/decoder/float.go generated vendored Normal file
View File

@ -0,0 +1,158 @@
package decoder
import (
"strconv"
"unsafe"
"github.com/goccy/go-json/internal/errors"
)
type floatDecoder struct {
op func(unsafe.Pointer, float64)
structName string
fieldName string
}
func newFloatDecoder(structName, fieldName string, op func(unsafe.Pointer, float64)) *floatDecoder {
return &floatDecoder{op: op, structName: structName, fieldName: fieldName}
}
var (
floatTable = [256]bool{
'0': true,
'1': true,
'2': true,
'3': true,
'4': true,
'5': true,
'6': true,
'7': true,
'8': true,
'9': true,
'.': true,
'e': true,
'E': true,
'+': true,
'-': true,
}
validEndNumberChar = [256]bool{
nul: true,
' ': true,
'\t': true,
'\r': true,
'\n': true,
',': true,
':': true,
'}': true,
']': true,
}
)
func floatBytes(s *Stream) []byte {
start := s.cursor
for {
s.cursor++
if floatTable[s.char()] {
continue
} else if s.char() == nul {
if s.read() {
s.cursor-- // for retry current character
continue
}
}
break
}
return s.buf[start:s.cursor]
}
func (d *floatDecoder) decodeStreamByte(s *Stream) ([]byte, error) {
for {
switch s.char() {
case ' ', '\n', '\t', '\r':
s.cursor++
continue
case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
return floatBytes(s), nil
case 'n':
if err := nullBytes(s); err != nil {
return nil, err
}
return nil, nil
case nul:
if s.read() {
continue
}
goto ERROR
default:
goto ERROR
}
}
ERROR:
return nil, errors.ErrUnexpectedEndOfJSON("float", s.totalOffset())
}
func (d *floatDecoder) decodeByte(buf []byte, cursor int64) ([]byte, int64, error) {
for {
switch buf[cursor] {
case ' ', '\n', '\t', '\r':
cursor++
continue
case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
start := cursor
cursor++
for floatTable[buf[cursor]] {
cursor++
}
num := buf[start:cursor]
return num, cursor, nil
case 'n':
if err := validateNull(buf, cursor); err != nil {
return nil, 0, err
}
cursor += 4
return nil, cursor, nil
default:
return nil, 0, errors.ErrUnexpectedEndOfJSON("float", cursor)
}
}
}
func (d *floatDecoder) DecodeStream(s *Stream, depth int64, p unsafe.Pointer) error {
bytes, err := d.decodeStreamByte(s)
if err != nil {
return err
}
if bytes == nil {
return nil
}
str := *(*string)(unsafe.Pointer(&bytes))
f64, err := strconv.ParseFloat(str, 64)
if err != nil {
return errors.ErrSyntax(err.Error(), s.totalOffset())
}
d.op(p, f64)
return nil
}
func (d *floatDecoder) Decode(ctx *RuntimeContext, cursor, depth int64, p unsafe.Pointer) (int64, error) {
buf := ctx.Buf
bytes, c, err := d.decodeByte(buf, cursor)
if err != nil {
return 0, err
}
if bytes == nil {
return c, nil
}
cursor = c
if !validEndNumberChar[buf[cursor]] {
return 0, errors.ErrUnexpectedEndOfJSON("float", cursor)
}
s := *(*string)(unsafe.Pointer(&bytes))
f64, err := strconv.ParseFloat(s, 64)
if err != nil {
return 0, errors.ErrSyntax(err.Error(), cursor)
}
d.op(p, f64)
return cursor, nil
}

141
vendor/github.com/goccy/go-json/internal/decoder/func.go generated vendored Normal file
View File

@ -0,0 +1,141 @@
package decoder
import (
"bytes"
"unsafe"
"github.com/goccy/go-json/internal/errors"
"github.com/goccy/go-json/internal/runtime"
)
type funcDecoder struct {
typ *runtime.Type
structName string
fieldName string
}
func newFuncDecoder(typ *runtime.Type, structName, fieldName string) *funcDecoder {
fnDecoder := &funcDecoder{typ, structName, fieldName}
return fnDecoder
}
func (d *funcDecoder) DecodeStream(s *Stream, depth int64, p unsafe.Pointer) error {
s.skipWhiteSpace()
start := s.cursor
if err := s.skipValue(depth); err != nil {
return err
}
src := s.buf[start:s.cursor]
if len(src) > 0 {
switch src[0] {
case '"':
return &errors.UnmarshalTypeError{
Value: "string",
Type: runtime.RType2Type(d.typ),
Offset: s.totalOffset(),
}
case '[':
return &errors.UnmarshalTypeError{
Value: "array",
Type: runtime.RType2Type(d.typ),
Offset: s.totalOffset(),
}
case '{':
return &errors.UnmarshalTypeError{
Value: "object",
Type: runtime.RType2Type(d.typ),
Offset: s.totalOffset(),
}
case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
return &errors.UnmarshalTypeError{
Value: "number",
Type: runtime.RType2Type(d.typ),
Offset: s.totalOffset(),
}
case 'n':
if err := nullBytes(s); err != nil {
return err
}
*(*unsafe.Pointer)(p) = nil
return nil
case 't':
if err := trueBytes(s); err == nil {
return &errors.UnmarshalTypeError{
Value: "boolean",
Type: runtime.RType2Type(d.typ),
Offset: s.totalOffset(),
}
}
case 'f':
if err := falseBytes(s); err == nil {
return &errors.UnmarshalTypeError{
Value: "boolean",
Type: runtime.RType2Type(d.typ),
Offset: s.totalOffset(),
}
}
}
}
return errors.ErrInvalidBeginningOfValue(s.buf[s.cursor], s.totalOffset())
}
func (d *funcDecoder) Decode(ctx *RuntimeContext, cursor, depth int64, p unsafe.Pointer) (int64, error) {
buf := ctx.Buf
cursor = skipWhiteSpace(buf, cursor)
start := cursor
end, err := skipValue(buf, cursor, depth)
if err != nil {
return 0, err
}
src := buf[start:end]
if len(src) > 0 {
switch src[0] {
case '"':
return 0, &errors.UnmarshalTypeError{
Value: "string",
Type: runtime.RType2Type(d.typ),
Offset: start,
}
case '[':
return 0, &errors.UnmarshalTypeError{
Value: "array",
Type: runtime.RType2Type(d.typ),
Offset: start,
}
case '{':
return 0, &errors.UnmarshalTypeError{
Value: "object",
Type: runtime.RType2Type(d.typ),
Offset: start,
}
case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
return 0, &errors.UnmarshalTypeError{
Value: "number",
Type: runtime.RType2Type(d.typ),
Offset: start,
}
case 'n':
if bytes.Equal(src, nullbytes) {
*(*unsafe.Pointer)(p) = nil
return end, nil
}
case 't':
if err := validateTrue(buf, start); err == nil {
return 0, &errors.UnmarshalTypeError{
Value: "boolean",
Type: runtime.RType2Type(d.typ),
Offset: start,
}
}
case 'f':
if err := validateFalse(buf, start); err == nil {
return 0, &errors.UnmarshalTypeError{
Value: "boolean",
Type: runtime.RType2Type(d.typ),
Offset: start,
}
}
}
}
return cursor, errors.ErrInvalidBeginningOfValue(buf[cursor], cursor)
}

242
vendor/github.com/goccy/go-json/internal/decoder/int.go generated vendored Normal file
View File

@ -0,0 +1,242 @@
package decoder
import (
"fmt"
"reflect"
"unsafe"
"github.com/goccy/go-json/internal/errors"
"github.com/goccy/go-json/internal/runtime"
)
type intDecoder struct {
typ *runtime.Type
kind reflect.Kind
op func(unsafe.Pointer, int64)
structName string
fieldName string
}
func newIntDecoder(typ *runtime.Type, structName, fieldName string, op func(unsafe.Pointer, int64)) *intDecoder {
return &intDecoder{
typ: typ,
kind: typ.Kind(),
op: op,
structName: structName,
fieldName: fieldName,
}
}
func (d *intDecoder) typeError(buf []byte, offset int64) *errors.UnmarshalTypeError {
return &errors.UnmarshalTypeError{
Value: fmt.Sprintf("number %s", string(buf)),
Type: runtime.RType2Type(d.typ),
Struct: d.structName,
Field: d.fieldName,
Offset: offset,
}
}
var (
pow10i64 = [...]int64{
1e00, 1e01, 1e02, 1e03, 1e04, 1e05, 1e06, 1e07, 1e08, 1e09,
1e10, 1e11, 1e12, 1e13, 1e14, 1e15, 1e16, 1e17, 1e18,
}
pow10i64Len = len(pow10i64)
)
func (d *intDecoder) parseInt(b []byte) (int64, error) {
isNegative := false
if b[0] == '-' {
b = b[1:]
isNegative = true
}
maxDigit := len(b)
if maxDigit > pow10i64Len {
return 0, fmt.Errorf("invalid length of number")
}
sum := int64(0)
for i := 0; i < maxDigit; i++ {
c := int64(b[i]) - 48
digitValue := pow10i64[maxDigit-i-1]
sum += c * digitValue
}
if isNegative {
return -1 * sum, nil
}
return sum, nil
}
var (
numTable = [256]bool{
'0': true,
'1': true,
'2': true,
'3': true,
'4': true,
'5': true,
'6': true,
'7': true,
'8': true,
'9': true,
}
)
var (
numZeroBuf = []byte{'0'}
)
func (d *intDecoder) decodeStreamByte(s *Stream) ([]byte, error) {
for {
switch s.char() {
case ' ', '\n', '\t', '\r':
s.cursor++
continue
case '-':
start := s.cursor
for {
s.cursor++
if numTable[s.char()] {
continue
} else if s.char() == nul {
if s.read() {
s.cursor-- // for retry current character
continue
}
}
break
}
num := s.buf[start:s.cursor]
if len(num) < 2 {
goto ERROR
}
return num, nil
case '0':
s.cursor++
return numZeroBuf, nil
case '1', '2', '3', '4', '5', '6', '7', '8', '9':
start := s.cursor
for {
s.cursor++
if numTable[s.char()] {
continue
} else if s.char() == nul {
if s.read() {
s.cursor-- // for retry current character
continue
}
}
break
}
num := s.buf[start:s.cursor]
return num, nil
case 'n':
if err := nullBytes(s); err != nil {
return nil, err
}
return nil, nil
case nul:
if s.read() {
continue
}
goto ERROR
default:
return nil, d.typeError([]byte{s.char()}, s.totalOffset())
}
}
ERROR:
return nil, errors.ErrUnexpectedEndOfJSON("number(integer)", s.totalOffset())
}
func (d *intDecoder) decodeByte(buf []byte, cursor int64) ([]byte, int64, error) {
b := (*sliceHeader)(unsafe.Pointer(&buf)).data
for {
switch char(b, cursor) {
case ' ', '\n', '\t', '\r':
cursor++
continue
case '0':
cursor++
return numZeroBuf, cursor, nil
case '-', '1', '2', '3', '4', '5', '6', '7', '8', '9':
start := cursor
cursor++
for numTable[char(b, cursor)] {
cursor++
}
num := buf[start:cursor]
return num, cursor, nil
case 'n':
if err := validateNull(buf, cursor); err != nil {
return nil, 0, err
}
cursor += 4
return nil, cursor, nil
default:
return nil, 0, d.typeError([]byte{char(b, cursor)}, cursor)
}
}
}
func (d *intDecoder) DecodeStream(s *Stream, depth int64, p unsafe.Pointer) error {
bytes, err := d.decodeStreamByte(s)
if err != nil {
return err
}
if bytes == nil {
return nil
}
i64, err := d.parseInt(bytes)
if err != nil {
return d.typeError(bytes, s.totalOffset())
}
switch d.kind {
case reflect.Int8:
if i64 <= -1*(1<<7) || (1<<7) <= i64 {
return d.typeError(bytes, s.totalOffset())
}
case reflect.Int16:
if i64 <= -1*(1<<15) || (1<<15) <= i64 {
return d.typeError(bytes, s.totalOffset())
}
case reflect.Int32:
if i64 <= -1*(1<<31) || (1<<31) <= i64 {
return d.typeError(bytes, s.totalOffset())
}
}
d.op(p, i64)
s.reset()
return nil
}
func (d *intDecoder) Decode(ctx *RuntimeContext, cursor, depth int64, p unsafe.Pointer) (int64, error) {
bytes, c, err := d.decodeByte(ctx.Buf, cursor)
if err != nil {
return 0, err
}
if bytes == nil {
return c, nil
}
cursor = c
i64, err := d.parseInt(bytes)
if err != nil {
return 0, d.typeError(bytes, cursor)
}
switch d.kind {
case reflect.Int8:
if i64 <= -1*(1<<7) || (1<<7) <= i64 {
return 0, d.typeError(bytes, cursor)
}
case reflect.Int16:
if i64 <= -1*(1<<15) || (1<<15) <= i64 {
return 0, d.typeError(bytes, cursor)
}
case reflect.Int32:
if i64 <= -1*(1<<31) || (1<<31) <= i64 {
return 0, d.typeError(bytes, cursor)
}
}
d.op(p, i64)
return cursor, nil
}

458
vendor/github.com/goccy/go-json/internal/decoder/interface.go generated vendored Normal file
View File

@ -0,0 +1,458 @@
package decoder
import (
"bytes"
"encoding"
"encoding/json"
"reflect"
"unsafe"
"github.com/goccy/go-json/internal/errors"
"github.com/goccy/go-json/internal/runtime"
)
type interfaceDecoder struct {
typ *runtime.Type
structName string
fieldName string
sliceDecoder *sliceDecoder
mapDecoder *mapDecoder
floatDecoder *floatDecoder
numberDecoder *numberDecoder
stringDecoder *stringDecoder
}
func newEmptyInterfaceDecoder(structName, fieldName string) *interfaceDecoder {
ifaceDecoder := &interfaceDecoder{
typ: emptyInterfaceType,
structName: structName,
fieldName: fieldName,
floatDecoder: newFloatDecoder(structName, fieldName, func(p unsafe.Pointer, v float64) {
*(*interface{})(p) = v
}),
numberDecoder: newNumberDecoder(structName, fieldName, func(p unsafe.Pointer, v json.Number) {
*(*interface{})(p) = v
}),
stringDecoder: newStringDecoder(structName, fieldName),
}
ifaceDecoder.sliceDecoder = newSliceDecoder(
ifaceDecoder,
emptyInterfaceType,
emptyInterfaceType.Size(),
structName, fieldName,
)
ifaceDecoder.mapDecoder = newMapDecoder(
interfaceMapType,
stringType,
ifaceDecoder.stringDecoder,
interfaceMapType.Elem(),
ifaceDecoder,
structName,
fieldName,
)
return ifaceDecoder
}
func newInterfaceDecoder(typ *runtime.Type, structName, fieldName string) *interfaceDecoder {
emptyIfaceDecoder := newEmptyInterfaceDecoder(structName, fieldName)
stringDecoder := newStringDecoder(structName, fieldName)
return &interfaceDecoder{
typ: typ,
structName: structName,
fieldName: fieldName,
sliceDecoder: newSliceDecoder(
emptyIfaceDecoder,
emptyInterfaceType,
emptyInterfaceType.Size(),
structName, fieldName,
),
mapDecoder: newMapDecoder(
interfaceMapType,
stringType,
stringDecoder,
interfaceMapType.Elem(),
emptyIfaceDecoder,
structName,
fieldName,
),
floatDecoder: newFloatDecoder(structName, fieldName, func(p unsafe.Pointer, v float64) {
*(*interface{})(p) = v
}),
numberDecoder: newNumberDecoder(structName, fieldName, func(p unsafe.Pointer, v json.Number) {
*(*interface{})(p) = v
}),
stringDecoder: stringDecoder,
}
}
func (d *interfaceDecoder) numDecoder(s *Stream) Decoder {
if s.UseNumber {
return d.numberDecoder
}
return d.floatDecoder
}
var (
emptyInterfaceType = runtime.Type2RType(reflect.TypeOf((*interface{})(nil)).Elem())
interfaceMapType = runtime.Type2RType(
reflect.TypeOf((*map[string]interface{})(nil)).Elem(),
)
stringType = runtime.Type2RType(
reflect.TypeOf(""),
)
)
func decodeStreamUnmarshaler(s *Stream, depth int64, unmarshaler json.Unmarshaler) error {
start := s.cursor
if err := s.skipValue(depth); err != nil {
return err
}
src := s.buf[start:s.cursor]
dst := make([]byte, len(src))
copy(dst, src)
if err := unmarshaler.UnmarshalJSON(dst); err != nil {
return err
}
return nil
}
func decodeStreamUnmarshalerContext(s *Stream, depth int64, unmarshaler unmarshalerContext) error {
start := s.cursor
if err := s.skipValue(depth); err != nil {
return err
}
src := s.buf[start:s.cursor]
dst := make([]byte, len(src))
copy(dst, src)
if err := unmarshaler.UnmarshalJSON(s.Option.Context, dst); err != nil {
return err
}
return nil
}
func decodeUnmarshaler(buf []byte, cursor, depth int64, unmarshaler json.Unmarshaler) (int64, error) {
cursor = skipWhiteSpace(buf, cursor)
start := cursor
end, err := skipValue(buf, cursor, depth)
if err != nil {
return 0, err
}
src := buf[start:end]
dst := make([]byte, len(src))
copy(dst, src)
if err := unmarshaler.UnmarshalJSON(dst); err != nil {
return 0, err
}
return end, nil
}
func decodeUnmarshalerContext(ctx *RuntimeContext, buf []byte, cursor, depth int64, unmarshaler unmarshalerContext) (int64, error) {
cursor = skipWhiteSpace(buf, cursor)
start := cursor
end, err := skipValue(buf, cursor, depth)
if err != nil {
return 0, err
}
src := buf[start:end]
dst := make([]byte, len(src))
copy(dst, src)
if err := unmarshaler.UnmarshalJSON(ctx.Option.Context, dst); err != nil {
return 0, err
}
return end, nil
}
func decodeStreamTextUnmarshaler(s *Stream, depth int64, unmarshaler encoding.TextUnmarshaler, p unsafe.Pointer) error {
start := s.cursor
if err := s.skipValue(depth); err != nil {
return err
}
src := s.buf[start:s.cursor]
if bytes.Equal(src, nullbytes) {
*(*unsafe.Pointer)(p) = nil
return nil
}
dst := make([]byte, len(src))
copy(dst, src)
if err := unmarshaler.UnmarshalText(dst); err != nil {
return err
}
return nil
}
func decodeTextUnmarshaler(buf []byte, cursor, depth int64, unmarshaler encoding.TextUnmarshaler, p unsafe.Pointer) (int64, error) {
cursor = skipWhiteSpace(buf, cursor)
start := cursor
end, err := skipValue(buf, cursor, depth)
if err != nil {
return 0, err
}
src := buf[start:end]
if bytes.Equal(src, nullbytes) {
*(*unsafe.Pointer)(p) = nil
return end, nil
}
if s, ok := unquoteBytes(src); ok {
src = s
}
if err := unmarshaler.UnmarshalText(src); err != nil {
return 0, err
}
return end, nil
}
func (d *interfaceDecoder) decodeStreamEmptyInterface(s *Stream, depth int64, p unsafe.Pointer) error {
c := s.skipWhiteSpace()
for {
switch c {
case '{':
var v map[string]interface{}
ptr := unsafe.Pointer(&v)
if err := d.mapDecoder.DecodeStream(s, depth, ptr); err != nil {
return err
}
*(*interface{})(p) = v
return nil
case '[':
var v []interface{}
ptr := unsafe.Pointer(&v)
if err := d.sliceDecoder.DecodeStream(s, depth, ptr); err != nil {
return err
}
*(*interface{})(p) = v
return nil
case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
return d.numDecoder(s).DecodeStream(s, depth, p)
case '"':
s.cursor++
start := s.cursor
for {
switch s.char() {
case '\\':
if _, err := decodeEscapeString(s, nil); err != nil {
return err
}
case '"':
literal := s.buf[start:s.cursor]
s.cursor++
*(*interface{})(p) = string(literal)
return nil
case nul:
if s.read() {
continue
}
return errors.ErrUnexpectedEndOfJSON("string", s.totalOffset())
}
s.cursor++
}
case 't':
if err := trueBytes(s); err != nil {
return err
}
**(**interface{})(unsafe.Pointer(&p)) = true
return nil
case 'f':
if err := falseBytes(s); err != nil {
return err
}
**(**interface{})(unsafe.Pointer(&p)) = false
return nil
case 'n':
if err := nullBytes(s); err != nil {
return err
}
*(*interface{})(p) = nil
return nil
case nul:
if s.read() {
c = s.char()
continue
}
}
break
}
return errors.ErrInvalidBeginningOfValue(c, s.totalOffset())
}
type emptyInterface struct {
typ *runtime.Type
ptr unsafe.Pointer
}
func (d *interfaceDecoder) DecodeStream(s *Stream, depth int64, p unsafe.Pointer) error {
runtimeInterfaceValue := *(*interface{})(unsafe.Pointer(&emptyInterface{
typ: d.typ,
ptr: p,
}))
rv := reflect.ValueOf(runtimeInterfaceValue)
if rv.NumMethod() > 0 && rv.CanInterface() {
if u, ok := rv.Interface().(unmarshalerContext); ok {
return decodeStreamUnmarshalerContext(s, depth, u)
}
if u, ok := rv.Interface().(json.Unmarshaler); ok {
return decodeStreamUnmarshaler(s, depth, u)
}
if u, ok := rv.Interface().(encoding.TextUnmarshaler); ok {
return decodeStreamTextUnmarshaler(s, depth, u, p)
}
if s.skipWhiteSpace() == 'n' {
if err := nullBytes(s); err != nil {
return err
}
*(*interface{})(p) = nil
return nil
}
return d.errUnmarshalType(rv.Type(), s.totalOffset())
}
iface := rv.Interface()
ifaceHeader := (*emptyInterface)(unsafe.Pointer(&iface))
typ := ifaceHeader.typ
if ifaceHeader.ptr == nil || d.typ == typ || typ == nil {
// concrete type is empty interface
return d.decodeStreamEmptyInterface(s, depth, p)
}
if typ.Kind() == reflect.Ptr && typ.Elem() == d.typ || typ.Kind() != reflect.Ptr {
return d.decodeStreamEmptyInterface(s, depth, p)
}
if s.skipWhiteSpace() == 'n' {
if err := nullBytes(s); err != nil {
return err
}
*(*interface{})(p) = nil
return nil
}
decoder, err := CompileToGetDecoder(typ)
if err != nil {
return err
}
return decoder.DecodeStream(s, depth, ifaceHeader.ptr)
}
func (d *interfaceDecoder) errUnmarshalType(typ reflect.Type, offset int64) *errors.UnmarshalTypeError {
return &errors.UnmarshalTypeError{
Value: typ.String(),
Type: typ,
Offset: offset,
Struct: d.structName,
Field: d.fieldName,
}
}
func (d *interfaceDecoder) Decode(ctx *RuntimeContext, cursor, depth int64, p unsafe.Pointer) (int64, error) {
buf := ctx.Buf
runtimeInterfaceValue := *(*interface{})(unsafe.Pointer(&emptyInterface{
typ: d.typ,
ptr: p,
}))
rv := reflect.ValueOf(runtimeInterfaceValue)
if rv.NumMethod() > 0 && rv.CanInterface() {
if u, ok := rv.Interface().(unmarshalerContext); ok {
return decodeUnmarshalerContext(ctx, buf, cursor, depth, u)
}
if u, ok := rv.Interface().(json.Unmarshaler); ok {
return decodeUnmarshaler(buf, cursor, depth, u)
}
if u, ok := rv.Interface().(encoding.TextUnmarshaler); ok {
return decodeTextUnmarshaler(buf, cursor, depth, u, p)
}
cursor = skipWhiteSpace(buf, cursor)
if buf[cursor] == 'n' {
if err := validateNull(buf, cursor); err != nil {
return 0, err
}
cursor += 4
**(**interface{})(unsafe.Pointer(&p)) = nil
return cursor, nil
}
return 0, d.errUnmarshalType(rv.Type(), cursor)
}
iface := rv.Interface()
ifaceHeader := (*emptyInterface)(unsafe.Pointer(&iface))
typ := ifaceHeader.typ
if ifaceHeader.ptr == nil || d.typ == typ || typ == nil {
// concrete type is empty interface
return d.decodeEmptyInterface(ctx, cursor, depth, p)
}
if typ.Kind() == reflect.Ptr && typ.Elem() == d.typ || typ.Kind() != reflect.Ptr {
return d.decodeEmptyInterface(ctx, cursor, depth, p)
}
cursor = skipWhiteSpace(buf, cursor)
if buf[cursor] == 'n' {
if err := validateNull(buf, cursor); err != nil {
return 0, err
}
cursor += 4
**(**interface{})(unsafe.Pointer(&p)) = nil
return cursor, nil
}
decoder, err := CompileToGetDecoder(typ)
if err != nil {
return 0, err
}
return decoder.Decode(ctx, cursor, depth, ifaceHeader.ptr)
}
func (d *interfaceDecoder) decodeEmptyInterface(ctx *RuntimeContext, cursor, depth int64, p unsafe.Pointer) (int64, error) {
buf := ctx.Buf
cursor = skipWhiteSpace(buf, cursor)
switch buf[cursor] {
case '{':
var v map[string]interface{}
ptr := unsafe.Pointer(&v)
cursor, err := d.mapDecoder.Decode(ctx, cursor, depth, ptr)
if err != nil {
return 0, err
}
**(**interface{})(unsafe.Pointer(&p)) = v
return cursor, nil
case '[':
var v []interface{}
ptr := unsafe.Pointer(&v)
cursor, err := d.sliceDecoder.Decode(ctx, cursor, depth, ptr)
if err != nil {
return 0, err
}
**(**interface{})(unsafe.Pointer(&p)) = v
return cursor, nil
case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
return d.floatDecoder.Decode(ctx, cursor, depth, p)
case '"':
var v string
ptr := unsafe.Pointer(&v)
cursor, err := d.stringDecoder.Decode(ctx, cursor, depth, ptr)
if err != nil {
return 0, err
}
**(**interface{})(unsafe.Pointer(&p)) = v
return cursor, nil
case 't':
if err := validateTrue(buf, cursor); err != nil {
return 0, err
}
cursor += 4
**(**interface{})(unsafe.Pointer(&p)) = true
return cursor, nil
case 'f':
if err := validateFalse(buf, cursor); err != nil {
return 0, err
}
cursor += 5
**(**interface{})(unsafe.Pointer(&p)) = false
return cursor, nil
case 'n':
if err := validateNull(buf, cursor); err != nil {
return 0, err
}
cursor += 4
**(**interface{})(unsafe.Pointer(&p)) = nil
return cursor, nil
}
return cursor, errors.ErrInvalidBeginningOfValue(buf[cursor], cursor)
}

186
vendor/github.com/goccy/go-json/internal/decoder/map.go generated vendored Normal file
View File

@ -0,0 +1,186 @@
package decoder
import (
"reflect"
"unsafe"
"github.com/goccy/go-json/internal/errors"
"github.com/goccy/go-json/internal/runtime"
)
type mapDecoder struct {
mapType *runtime.Type
keyType *runtime.Type
valueType *runtime.Type
canUseAssignFaststrType bool
keyDecoder Decoder
valueDecoder Decoder
structName string
fieldName string
}
func newMapDecoder(mapType *runtime.Type, keyType *runtime.Type, keyDec Decoder, valueType *runtime.Type, valueDec Decoder, structName, fieldName string) *mapDecoder {
return &mapDecoder{
mapType: mapType,
keyDecoder: keyDec,
keyType: keyType,
canUseAssignFaststrType: canUseAssignFaststrType(keyType, valueType),
valueType: valueType,
valueDecoder: valueDec,
structName: structName,
fieldName: fieldName,
}
}
const (
mapMaxElemSize = 128
)
// See detail: https://github.com/goccy/go-json/pull/283
func canUseAssignFaststrType(key *runtime.Type, value *runtime.Type) bool {
indirectElem := value.Size() > mapMaxElemSize
if indirectElem {
return false
}
return key.Kind() == reflect.String
}
//go:linkname makemap reflect.makemap
func makemap(*runtime.Type, int) unsafe.Pointer
//nolint:golint
//go:linkname mapassign_faststr runtime.mapassign_faststr
//go:noescape
func mapassign_faststr(t *runtime.Type, m unsafe.Pointer, s string) unsafe.Pointer
//go:linkname mapassign reflect.mapassign
//go:noescape
func mapassign(t *runtime.Type, m unsafe.Pointer, k, v unsafe.Pointer)
func (d *mapDecoder) mapassign(t *runtime.Type, m, k, v unsafe.Pointer) {
if d.canUseAssignFaststrType {
mapV := mapassign_faststr(t, m, *(*string)(k))
typedmemmove(d.valueType, mapV, v)
} else {
mapassign(t, m, k, v)
}
}
func (d *mapDecoder) DecodeStream(s *Stream, depth int64, p unsafe.Pointer) error {
depth++
if depth > maxDecodeNestingDepth {
return errors.ErrExceededMaxDepth(s.char(), s.cursor)
}
switch s.skipWhiteSpace() {
case 'n':
if err := nullBytes(s); err != nil {
return err
}
**(**unsafe.Pointer)(unsafe.Pointer(&p)) = nil
return nil
case '{':
default:
return errors.ErrExpected("{ character for map value", s.totalOffset())
}
mapValue := *(*unsafe.Pointer)(p)
if mapValue == nil {
mapValue = makemap(d.mapType, 0)
}
if s.buf[s.cursor+1] == '}' {
*(*unsafe.Pointer)(p) = mapValue
s.cursor += 2
return nil
}
for {
s.cursor++
k := unsafe_New(d.keyType)
if err := d.keyDecoder.DecodeStream(s, depth, k); err != nil {
return err
}
s.skipWhiteSpace()
if !s.equalChar(':') {
return errors.ErrExpected("colon after object key", s.totalOffset())
}
s.cursor++
v := unsafe_New(d.valueType)
if err := d.valueDecoder.DecodeStream(s, depth, v); err != nil {
return err
}
d.mapassign(d.mapType, mapValue, k, v)
s.skipWhiteSpace()
if s.equalChar('}') {
**(**unsafe.Pointer)(unsafe.Pointer(&p)) = mapValue
s.cursor++
return nil
}
if !s.equalChar(',') {
return errors.ErrExpected("comma after object value", s.totalOffset())
}
}
}
func (d *mapDecoder) Decode(ctx *RuntimeContext, cursor, depth int64, p unsafe.Pointer) (int64, error) {
buf := ctx.Buf
depth++
if depth > maxDecodeNestingDepth {
return 0, errors.ErrExceededMaxDepth(buf[cursor], cursor)
}
cursor = skipWhiteSpace(buf, cursor)
buflen := int64(len(buf))
if buflen < 2 {
return 0, errors.ErrExpected("{} for map", cursor)
}
switch buf[cursor] {
case 'n':
if err := validateNull(buf, cursor); err != nil {
return 0, err
}
cursor += 4
**(**unsafe.Pointer)(unsafe.Pointer(&p)) = nil
return cursor, nil
case '{':
default:
return 0, errors.ErrExpected("{ character for map value", cursor)
}
cursor++
cursor = skipWhiteSpace(buf, cursor)
mapValue := *(*unsafe.Pointer)(p)
if mapValue == nil {
mapValue = makemap(d.mapType, 0)
}
if buf[cursor] == '}' {
**(**unsafe.Pointer)(unsafe.Pointer(&p)) = mapValue
cursor++
return cursor, nil
}
for {
k := unsafe_New(d.keyType)
keyCursor, err := d.keyDecoder.Decode(ctx, cursor, depth, k)
if err != nil {
return 0, err
}
cursor = skipWhiteSpace(buf, keyCursor)
if buf[cursor] != ':' {
return 0, errors.ErrExpected("colon after object key", cursor)
}
cursor++
v := unsafe_New(d.valueType)
valueCursor, err := d.valueDecoder.Decode(ctx, cursor, depth, v)
if err != nil {
return 0, err
}
d.mapassign(d.mapType, mapValue, k, v)
cursor = skipWhiteSpace(buf, valueCursor)
if buf[cursor] == '}' {
**(**unsafe.Pointer)(unsafe.Pointer(&p)) = mapValue
cursor++
return cursor, nil
}
if buf[cursor] != ',' {
return 0, errors.ErrExpected("comma after object value", cursor)
}
cursor++
}
}

112
vendor/github.com/goccy/go-json/internal/decoder/number.go generated vendored Normal file
View File

@ -0,0 +1,112 @@
package decoder
import (
"encoding/json"
"strconv"
"unsafe"
"github.com/goccy/go-json/internal/errors"
)
type numberDecoder struct {
stringDecoder *stringDecoder
op func(unsafe.Pointer, json.Number)
structName string
fieldName string
}
func newNumberDecoder(structName, fieldName string, op func(unsafe.Pointer, json.Number)) *numberDecoder {
return &numberDecoder{
stringDecoder: newStringDecoder(structName, fieldName),
op: op,
structName: structName,
fieldName: fieldName,
}
}
func (d *numberDecoder) DecodeStream(s *Stream, depth int64, p unsafe.Pointer) error {
bytes, err := d.decodeStreamByte(s)
if err != nil {
return err
}
if _, err := strconv.ParseFloat(*(*string)(unsafe.Pointer(&bytes)), 64); err != nil {
return errors.ErrSyntax(err.Error(), s.totalOffset())
}
d.op(p, json.Number(string(bytes)))
s.reset()
return nil
}
func (d *numberDecoder) Decode(ctx *RuntimeContext, cursor, depth int64, p unsafe.Pointer) (int64, error) {
bytes, c, err := d.decodeByte(ctx.Buf, cursor)
if err != nil {
return 0, err
}
if _, err := strconv.ParseFloat(*(*string)(unsafe.Pointer(&bytes)), 64); err != nil {
return 0, errors.ErrSyntax(err.Error(), c)
}
cursor = c
s := *(*string)(unsafe.Pointer(&bytes))
d.op(p, json.Number(s))
return cursor, nil
}
func (d *numberDecoder) decodeStreamByte(s *Stream) ([]byte, error) {
start := s.cursor
for {
switch s.char() {
case ' ', '\n', '\t', '\r':
s.cursor++
continue
case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
return floatBytes(s), nil
case 'n':
if err := nullBytes(s); err != nil {
return nil, err
}
return nil, nil
case '"':
return d.stringDecoder.decodeStreamByte(s)
case nul:
if s.read() {
continue
}
goto ERROR
default:
goto ERROR
}
}
ERROR:
if s.cursor == start {
return nil, errors.ErrInvalidBeginningOfValue(s.char(), s.totalOffset())
}
return nil, errors.ErrUnexpectedEndOfJSON("json.Number", s.totalOffset())
}
func (d *numberDecoder) decodeByte(buf []byte, cursor int64) ([]byte, int64, error) {
for {
switch buf[cursor] {
case ' ', '\n', '\t', '\r':
cursor++
continue
case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
start := cursor
cursor++
for floatTable[buf[cursor]] {
cursor++
}
num := buf[start:cursor]
return num, cursor, nil
case 'n':
if err := validateNull(buf, cursor); err != nil {
return nil, 0, err
}
cursor += 4
return nil, cursor, nil
case '"':
return d.stringDecoder.decodeByte(buf, cursor)
default:
return nil, 0, errors.ErrUnexpectedEndOfJSON("json.Number", cursor)
}
}
}

15
vendor/github.com/goccy/go-json/internal/decoder/option.go generated vendored Normal file
View File

@ -0,0 +1,15 @@
package decoder
import "context"
type OptionFlags uint8
const (
FirstWinOption OptionFlags = 1 << iota
ContextOption
)
type Option struct {
Flags OptionFlags
Context context.Context
}

87
vendor/github.com/goccy/go-json/internal/decoder/ptr.go generated vendored Normal file
View File

@ -0,0 +1,87 @@
package decoder
import (
"unsafe"
"github.com/goccy/go-json/internal/runtime"
)
type ptrDecoder struct {
dec Decoder
typ *runtime.Type
structName string
fieldName string
}
func newPtrDecoder(dec Decoder, typ *runtime.Type, structName, fieldName string) *ptrDecoder {
return &ptrDecoder{
dec: dec,
typ: typ,
structName: structName,
fieldName: fieldName,
}
}
func (d *ptrDecoder) contentDecoder() Decoder {
dec, ok := d.dec.(*ptrDecoder)
if !ok {
return d.dec
}
return dec.contentDecoder()
}
//nolint:golint
//go:linkname unsafe_New reflect.unsafe_New
func unsafe_New(*runtime.Type) unsafe.Pointer
func (d *ptrDecoder) DecodeStream(s *Stream, depth int64, p unsafe.Pointer) error {
if s.skipWhiteSpace() == nul {
s.read()
}
if s.char() == 'n' {
if err := nullBytes(s); err != nil {
return err
}
*(*unsafe.Pointer)(p) = nil
return nil
}
var newptr unsafe.Pointer
if *(*unsafe.Pointer)(p) == nil {
newptr = unsafe_New(d.typ)
*(*unsafe.Pointer)(p) = newptr
} else {
newptr = *(*unsafe.Pointer)(p)
}
if err := d.dec.DecodeStream(s, depth, newptr); err != nil {
return err
}
return nil
}
func (d *ptrDecoder) Decode(ctx *RuntimeContext, cursor, depth int64, p unsafe.Pointer) (int64, error) {
buf := ctx.Buf
cursor = skipWhiteSpace(buf, cursor)
if buf[cursor] == 'n' {
if err := validateNull(buf, cursor); err != nil {
return 0, err
}
if p != nil {
*(*unsafe.Pointer)(p) = nil
}
cursor += 4
return cursor, nil
}
var newptr unsafe.Pointer
if *(*unsafe.Pointer)(p) == nil {
newptr = unsafe_New(d.typ)
*(*unsafe.Pointer)(p) = newptr
} else {
newptr = *(*unsafe.Pointer)(p)
}
c, err := d.dec.Decode(ctx, cursor, depth, newptr)
if err != nil {
return 0, err
}
cursor = c
return cursor, nil
}

301
vendor/github.com/goccy/go-json/internal/decoder/slice.go generated vendored Normal file
View File

@ -0,0 +1,301 @@
package decoder
import (
"reflect"
"sync"
"unsafe"
"github.com/goccy/go-json/internal/errors"
"github.com/goccy/go-json/internal/runtime"
)
var (
sliceType = runtime.Type2RType(
reflect.TypeOf((*sliceHeader)(nil)).Elem(),
)
nilSlice = unsafe.Pointer(&sliceHeader{})
)
type sliceDecoder struct {
elemType *runtime.Type
isElemPointerType bool
valueDecoder Decoder
size uintptr
arrayPool sync.Pool
structName string
fieldName string
}
// If use reflect.SliceHeader, data type is uintptr.
// In this case, Go compiler cannot trace reference created by newArray().
// So, define using unsafe.Pointer as data type
type sliceHeader struct {
data unsafe.Pointer
len int
cap int
}
const (
defaultSliceCapacity = 2
)
func newSliceDecoder(dec Decoder, elemType *runtime.Type, size uintptr, structName, fieldName string) *sliceDecoder {
return &sliceDecoder{
valueDecoder: dec,
elemType: elemType,
isElemPointerType: elemType.Kind() == reflect.Ptr || elemType.Kind() == reflect.Map,
size: size,
arrayPool: sync.Pool{
New: func() interface{} {
return &sliceHeader{
data: newArray(elemType, defaultSliceCapacity),
len: 0,
cap: defaultSliceCapacity,
}
},
},
structName: structName,
fieldName: fieldName,
}
}
func (d *sliceDecoder) newSlice(src *sliceHeader) *sliceHeader {
slice := d.arrayPool.Get().(*sliceHeader)
if src.len > 0 {
// copy original elem
if slice.cap < src.cap {
data := newArray(d.elemType, src.cap)
slice = &sliceHeader{data: data, len: src.len, cap: src.cap}
} else {
slice.len = src.len
}
copySlice(d.elemType, *slice, *src)
} else {
slice.len = 0
}
return slice
}
func (d *sliceDecoder) releaseSlice(p *sliceHeader) {
d.arrayPool.Put(p)
}
//go:linkname copySlice reflect.typedslicecopy
func copySlice(elemType *runtime.Type, dst, src sliceHeader) int
//go:linkname newArray reflect.unsafe_NewArray
func newArray(*runtime.Type, int) unsafe.Pointer
//go:linkname typedmemmove reflect.typedmemmove
func typedmemmove(t *runtime.Type, dst, src unsafe.Pointer)
func (d *sliceDecoder) errNumber(offset int64) *errors.UnmarshalTypeError {
return &errors.UnmarshalTypeError{
Value: "number",
Type: reflect.SliceOf(runtime.RType2Type(d.elemType)),
Struct: d.structName,
Field: d.fieldName,
Offset: offset,
}
}
func (d *sliceDecoder) DecodeStream(s *Stream, depth int64, p unsafe.Pointer) error {
depth++
if depth > maxDecodeNestingDepth {
return errors.ErrExceededMaxDepth(s.char(), s.cursor)
}
for {
switch s.char() {
case ' ', '\n', '\t', '\r':
s.cursor++
continue
case 'n':
if err := nullBytes(s); err != nil {
return err
}
typedmemmove(sliceType, p, nilSlice)
return nil
case '[':
s.cursor++
if s.skipWhiteSpace() == ']' {
dst := (*sliceHeader)(p)
if dst.data == nil {
dst.data = newArray(d.elemType, 0)
} else {
dst.len = 0
}
s.cursor++
return nil
}
idx := 0
slice := d.newSlice((*sliceHeader)(p))
srcLen := slice.len
capacity := slice.cap
data := slice.data
for {
if capacity <= idx {
src := sliceHeader{data: data, len: idx, cap: capacity}
capacity *= 2
data = newArray(d.elemType, capacity)
dst := sliceHeader{data: data, len: idx, cap: capacity}
copySlice(d.elemType, dst, src)
}
ep := unsafe.Pointer(uintptr(data) + uintptr(idx)*d.size)
// if srcLen is greater than idx, keep the original reference
if srcLen <= idx {
if d.isElemPointerType {
**(**unsafe.Pointer)(unsafe.Pointer(&ep)) = nil // initialize elem pointer
} else {
// assign new element to the slice
typedmemmove(d.elemType, ep, unsafe_New(d.elemType))
}
}
if err := d.valueDecoder.DecodeStream(s, depth, ep); err != nil {
return err
}
s.skipWhiteSpace()
RETRY:
switch s.char() {
case ']':
slice.cap = capacity
slice.len = idx + 1
slice.data = data
dst := (*sliceHeader)(p)
dst.len = idx + 1
if dst.len > dst.cap {
dst.data = newArray(d.elemType, dst.len)
dst.cap = dst.len
}
copySlice(d.elemType, *dst, *slice)
d.releaseSlice(slice)
s.cursor++
return nil
case ',':
idx++
case nul:
if s.read() {
goto RETRY
}
slice.cap = capacity
slice.data = data
d.releaseSlice(slice)
goto ERROR
default:
slice.cap = capacity
slice.data = data
d.releaseSlice(slice)
goto ERROR
}
s.cursor++
}
case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
return d.errNumber(s.totalOffset())
case nul:
if s.read() {
continue
}
goto ERROR
default:
goto ERROR
}
}
ERROR:
return errors.ErrUnexpectedEndOfJSON("slice", s.totalOffset())
}
func (d *sliceDecoder) Decode(ctx *RuntimeContext, cursor, depth int64, p unsafe.Pointer) (int64, error) {
buf := ctx.Buf
depth++
if depth > maxDecodeNestingDepth {
return 0, errors.ErrExceededMaxDepth(buf[cursor], cursor)
}
for {
switch buf[cursor] {
case ' ', '\n', '\t', '\r':
cursor++
continue
case 'n':
if err := validateNull(buf, cursor); err != nil {
return 0, err
}
cursor += 4
typedmemmove(sliceType, p, nilSlice)
return cursor, nil
case '[':
cursor++
cursor = skipWhiteSpace(buf, cursor)
if buf[cursor] == ']' {
dst := (*sliceHeader)(p)
if dst.data == nil {
dst.data = newArray(d.elemType, 0)
} else {
dst.len = 0
}
cursor++
return cursor, nil
}
idx := 0
slice := d.newSlice((*sliceHeader)(p))
srcLen := slice.len
capacity := slice.cap
data := slice.data
for {
if capacity <= idx {
src := sliceHeader{data: data, len: idx, cap: capacity}
capacity *= 2
data = newArray(d.elemType, capacity)
dst := sliceHeader{data: data, len: idx, cap: capacity}
copySlice(d.elemType, dst, src)
}
ep := unsafe.Pointer(uintptr(data) + uintptr(idx)*d.size)
// if srcLen is greater than idx, keep the original reference
if srcLen <= idx {
if d.isElemPointerType {
**(**unsafe.Pointer)(unsafe.Pointer(&ep)) = nil // initialize elem pointer
} else {
// assign new element to the slice
typedmemmove(d.elemType, ep, unsafe_New(d.elemType))
}
}
c, err := d.valueDecoder.Decode(ctx, cursor, depth, ep)
if err != nil {
return 0, err
}
cursor = c
cursor = skipWhiteSpace(buf, cursor)
switch buf[cursor] {
case ']':
slice.cap = capacity
slice.len = idx + 1
slice.data = data
dst := (*sliceHeader)(p)
dst.len = idx + 1
if dst.len > dst.cap {
dst.data = newArray(d.elemType, dst.len)
dst.cap = dst.len
}
copySlice(d.elemType, *dst, *slice)
d.releaseSlice(slice)
cursor++
return cursor, nil
case ',':
idx++
default:
slice.cap = capacity
slice.data = data
d.releaseSlice(slice)
return 0, errors.ErrInvalidCharacter(buf[cursor], "slice", cursor)
}
cursor++
}
case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
return 0, d.errNumber(cursor)
default:
return 0, errors.ErrUnexpectedEndOfJSON("slice", cursor)
}
}
}

554
vendor/github.com/goccy/go-json/internal/decoder/stream.go generated vendored Normal file
View File

@ -0,0 +1,554 @@
package decoder
import (
"bytes"
"encoding/json"
"io"
"strconv"
"unsafe"
"github.com/goccy/go-json/internal/errors"
)
const (
initBufSize = 512
)
type Stream struct {
buf []byte
bufSize int64
length int64
r io.Reader
offset int64
cursor int64
filledBuffer bool
allRead bool
UseNumber bool
DisallowUnknownFields bool
Option *Option
}
func NewStream(r io.Reader) *Stream {
return &Stream{
r: r,
bufSize: initBufSize,
buf: make([]byte, initBufSize),
Option: &Option{},
}
}
func (s *Stream) TotalOffset() int64 {
return s.totalOffset()
}
func (s *Stream) Buffered() io.Reader {
buflen := int64(len(s.buf))
for i := s.cursor; i < buflen; i++ {
if s.buf[i] == nul {
return bytes.NewReader(s.buf[s.cursor:i])
}
}
return bytes.NewReader(s.buf[s.cursor:])
}
func (s *Stream) PrepareForDecode() error {
for {
switch s.char() {
case ' ', '\t', '\r', '\n':
s.cursor++
continue
case ',', ':':
s.cursor++
return nil
case nul:
if s.read() {
continue
}
return io.EOF
}
break
}
return nil
}
func (s *Stream) totalOffset() int64 {
return s.offset + s.cursor
}
func (s *Stream) char() byte {
return s.buf[s.cursor]
}
func (s *Stream) equalChar(c byte) bool {
cur := s.buf[s.cursor]
if cur == nul {
s.read()
cur = s.buf[s.cursor]
}
return cur == c
}
func (s *Stream) stat() ([]byte, int64, unsafe.Pointer) {
return s.buf, s.cursor, (*sliceHeader)(unsafe.Pointer(&s.buf)).data
}
func (s *Stream) bufptr() unsafe.Pointer {
return (*sliceHeader)(unsafe.Pointer(&s.buf)).data
}
func (s *Stream) statForRetry() ([]byte, int64, unsafe.Pointer) {
s.cursor-- // for retry ( because caller progress cursor position in each loop )
return s.buf, s.cursor, (*sliceHeader)(unsafe.Pointer(&s.buf)).data
}
func (s *Stream) Reset() {
s.reset()
s.bufSize = initBufSize
}
func (s *Stream) More() bool {
for {
switch s.char() {
case ' ', '\n', '\r', '\t':
s.cursor++
continue
case '}', ']':
return false
case nul:
if s.read() {
continue
}
return false
}
break
}
return true
}
func (s *Stream) Token() (interface{}, error) {
for {
c := s.char()
switch c {
case ' ', '\n', '\r', '\t':
s.cursor++
case '{', '[', ']', '}':
s.cursor++
return json.Delim(c), nil
case ',', ':':
s.cursor++
case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
bytes := floatBytes(s)
s := *(*string)(unsafe.Pointer(&bytes))
f64, err := strconv.ParseFloat(s, 64)
if err != nil {
return nil, err
}
return f64, nil
case '"':
bytes, err := stringBytes(s)
if err != nil {
return nil, err
}
return string(bytes), nil
case 't':
if err := trueBytes(s); err != nil {
return nil, err
}
return true, nil
case 'f':
if err := falseBytes(s); err != nil {
return nil, err
}
return false, nil
case 'n':
if err := nullBytes(s); err != nil {
return nil, err
}
return nil, nil
case nul:
if s.read() {
continue
}
goto END
default:
return nil, errors.ErrInvalidCharacter(s.char(), "token", s.totalOffset())
}
}
END:
return nil, io.EOF
}
func (s *Stream) reset() {
s.offset += s.cursor
s.buf = s.buf[s.cursor:]
s.length -= s.cursor
s.cursor = 0
}
func (s *Stream) readBuf() []byte {
if s.filledBuffer {
s.bufSize *= 2
remainBuf := s.buf
s.buf = make([]byte, s.bufSize)
copy(s.buf, remainBuf)
}
remainLen := s.length - s.cursor
remainNotNulCharNum := int64(0)
for i := int64(0); i < remainLen; i++ {
if s.buf[s.cursor+i] == nul {
break
}
remainNotNulCharNum++
}
s.length = s.cursor + remainNotNulCharNum
return s.buf[s.cursor+remainNotNulCharNum:]
}
func (s *Stream) read() bool {
if s.allRead {
return false
}
buf := s.readBuf()
last := len(buf) - 1
buf[last] = nul
n, err := s.r.Read(buf[:last])
s.length += int64(n)
if n == last {
s.filledBuffer = true
} else {
s.filledBuffer = false
}
if err == io.EOF {
s.allRead = true
} else if err != nil {
return false
}
return true
}
func (s *Stream) skipWhiteSpace() byte {
p := s.bufptr()
LOOP:
c := char(p, s.cursor)
switch c {
case ' ', '\n', '\t', '\r':
s.cursor++
goto LOOP
case nul:
if s.read() {
p = s.bufptr()
goto LOOP
}
}
return c
}
func (s *Stream) skipObject(depth int64) error {
braceCount := 1
_, cursor, p := s.stat()
for {
switch char(p, cursor) {
case '{':
braceCount++
depth++
if depth > maxDecodeNestingDepth {
return errors.ErrExceededMaxDepth(s.char(), s.cursor)
}
case '}':
braceCount--
depth--
if braceCount == 0 {
s.cursor = cursor + 1
return nil
}
case '[':
depth++
if depth > maxDecodeNestingDepth {
return errors.ErrExceededMaxDepth(s.char(), s.cursor)
}
case ']':
depth--
case '"':
for {
cursor++
switch char(p, cursor) {
case '\\':
cursor++
if char(p, cursor) == nul {
s.cursor = cursor
if s.read() {
_, cursor, p = s.statForRetry()
continue
}
return errors.ErrUnexpectedEndOfJSON("string of object", cursor)
}
case '"':
goto SWITCH_OUT
case nul:
s.cursor = cursor
if s.read() {
_, cursor, p = s.statForRetry()
continue
}
return errors.ErrUnexpectedEndOfJSON("string of object", cursor)
}
}
case nul:
s.cursor = cursor
if s.read() {
_, cursor, p = s.stat()
continue
}
return errors.ErrUnexpectedEndOfJSON("object of object", cursor)
}
SWITCH_OUT:
cursor++
}
}
func (s *Stream) skipArray(depth int64) error {
bracketCount := 1
_, cursor, p := s.stat()
for {
switch char(p, cursor) {
case '[':
bracketCount++
depth++
if depth > maxDecodeNestingDepth {
return errors.ErrExceededMaxDepth(s.char(), s.cursor)
}
case ']':
bracketCount--
depth--
if bracketCount == 0 {
s.cursor = cursor + 1
return nil
}
case '{':
depth++
if depth > maxDecodeNestingDepth {
return errors.ErrExceededMaxDepth(s.char(), s.cursor)
}
case '}':
depth--
case '"':
for {
cursor++
switch char(p, cursor) {
case '\\':
cursor++
if char(p, cursor) == nul {
s.cursor = cursor
if s.read() {
_, cursor, p = s.statForRetry()
continue
}
return errors.ErrUnexpectedEndOfJSON("string of object", cursor)
}
case '"':
goto SWITCH_OUT
case nul:
s.cursor = cursor
if s.read() {
_, cursor, p = s.statForRetry()
continue
}
return errors.ErrUnexpectedEndOfJSON("string of object", cursor)
}
}
case nul:
s.cursor = cursor
if s.read() {
_, cursor, p = s.stat()
continue
}
return errors.ErrUnexpectedEndOfJSON("array of object", cursor)
}
SWITCH_OUT:
cursor++
}
}
func (s *Stream) skipValue(depth int64) error {
_, cursor, p := s.stat()
for {
switch char(p, cursor) {
case ' ', '\n', '\t', '\r':
cursor++
continue
case nul:
s.cursor = cursor
if s.read() {
_, cursor, p = s.stat()
continue
}
return errors.ErrUnexpectedEndOfJSON("value of object", s.totalOffset())
case '{':
s.cursor = cursor + 1
return s.skipObject(depth + 1)
case '[':
s.cursor = cursor + 1
return s.skipArray(depth + 1)
case '"':
for {
cursor++
switch char(p, cursor) {
case '\\':
cursor++
if char(p, cursor) == nul {
s.cursor = cursor
if s.read() {
_, cursor, p = s.statForRetry()
continue
}
return errors.ErrUnexpectedEndOfJSON("value of string", s.totalOffset())
}
case '"':
s.cursor = cursor + 1
return nil
case nul:
s.cursor = cursor
if s.read() {
_, cursor, p = s.statForRetry()
continue
}
return errors.ErrUnexpectedEndOfJSON("value of string", s.totalOffset())
}
}
case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
for {
cursor++
c := char(p, cursor)
if floatTable[c] {
continue
} else if c == nul {
if s.read() {
s.cursor-- // for retry current character
_, cursor, p = s.stat()
continue
}
}
s.cursor = cursor
return nil
}
case 't':
s.cursor = cursor
if err := trueBytes(s); err != nil {
return err
}
return nil
case 'f':
s.cursor = cursor
if err := falseBytes(s); err != nil {
return err
}
return nil
case 'n':
s.cursor = cursor
if err := nullBytes(s); err != nil {
return err
}
return nil
}
cursor++
}
}
func nullBytes(s *Stream) error {
// current cursor's character is 'n'
s.cursor++
if s.char() != 'u' {
if err := retryReadNull(s); err != nil {
return err
}
}
s.cursor++
if s.char() != 'l' {
if err := retryReadNull(s); err != nil {
return err
}
}
s.cursor++
if s.char() != 'l' {
if err := retryReadNull(s); err != nil {
return err
}
}
s.cursor++
return nil
}
func retryReadNull(s *Stream) error {
if s.char() == nul && s.read() {
return nil
}
return errors.ErrInvalidCharacter(s.char(), "null", s.totalOffset())
}
func trueBytes(s *Stream) error {
// current cursor's character is 't'
s.cursor++
if s.char() != 'r' {
if err := retryReadTrue(s); err != nil {
return err
}
}
s.cursor++
if s.char() != 'u' {
if err := retryReadTrue(s); err != nil {
return err
}
}
s.cursor++
if s.char() != 'e' {
if err := retryReadTrue(s); err != nil {
return err
}
}
s.cursor++
return nil
}
func retryReadTrue(s *Stream) error {
if s.char() == nul && s.read() {
return nil
}
return errors.ErrInvalidCharacter(s.char(), "bool(true)", s.totalOffset())
}
func falseBytes(s *Stream) error {
// current cursor's character is 'f'
s.cursor++
if s.char() != 'a' {
if err := retryReadFalse(s); err != nil {
return err
}
}
s.cursor++
if s.char() != 'l' {
if err := retryReadFalse(s); err != nil {
return err
}
}
s.cursor++
if s.char() != 's' {
if err := retryReadFalse(s); err != nil {
return err
}
}
s.cursor++
if s.char() != 'e' {
if err := retryReadFalse(s); err != nil {
return err
}
}
s.cursor++
return nil
}
func retryReadFalse(s *Stream) error {
if s.char() == nul && s.read() {
return nil
}
return errors.ErrInvalidCharacter(s.char(), "bool(false)", s.totalOffset())
}

371
vendor/github.com/goccy/go-json/internal/decoder/string.go generated vendored Normal file
View File

@ -0,0 +1,371 @@
package decoder
import (
"reflect"
"unicode"
"unicode/utf16"
"unicode/utf8"
"unsafe"
"github.com/goccy/go-json/internal/errors"
)
type stringDecoder struct {
structName string
fieldName string
}
func newStringDecoder(structName, fieldName string) *stringDecoder {
return &stringDecoder{
structName: structName,
fieldName: fieldName,
}
}
func (d *stringDecoder) errUnmarshalType(typeName string, offset int64) *errors.UnmarshalTypeError {
return &errors.UnmarshalTypeError{
Value: typeName,
Type: reflect.TypeOf(""),
Offset: offset,
Struct: d.structName,
Field: d.fieldName,
}
}
func (d *stringDecoder) DecodeStream(s *Stream, depth int64, p unsafe.Pointer) error {
bytes, err := d.decodeStreamByte(s)
if err != nil {
return err
}
if bytes == nil {
return nil
}
**(**string)(unsafe.Pointer(&p)) = *(*string)(unsafe.Pointer(&bytes))
s.reset()
return nil
}
func (d *stringDecoder) Decode(ctx *RuntimeContext, cursor, depth int64, p unsafe.Pointer) (int64, error) {
bytes, c, err := d.decodeByte(ctx.Buf, cursor)
if err != nil {
return 0, err
}
if bytes == nil {
return c, nil
}
cursor = c
**(**string)(unsafe.Pointer(&p)) = *(*string)(unsafe.Pointer(&bytes))
return cursor, nil
}
var (
hexToInt = [256]int{
'0': 0,
'1': 1,
'2': 2,
'3': 3,
'4': 4,
'5': 5,
'6': 6,
'7': 7,
'8': 8,
'9': 9,
'A': 10,
'B': 11,
'C': 12,
'D': 13,
'E': 14,
'F': 15,
'a': 10,
'b': 11,
'c': 12,
'd': 13,
'e': 14,
'f': 15,
}
)
func unicodeToRune(code []byte) rune {
var r rune
for i := 0; i < len(code); i++ {
r = r*16 + rune(hexToInt[code[i]])
}
return r
}
func decodeUnicodeRune(s *Stream, p unsafe.Pointer) (rune, int64, unsafe.Pointer, error) {
const defaultOffset = 5
const surrogateOffset = 11
if s.cursor+defaultOffset >= s.length {
if !s.read() {
return rune(0), 0, nil, errors.ErrInvalidCharacter(s.char(), "escaped string", s.totalOffset())
}
p = s.bufptr()
}
r := unicodeToRune(s.buf[s.cursor+1 : s.cursor+defaultOffset])
if utf16.IsSurrogate(r) {
if s.cursor+surrogateOffset >= s.length {
s.read()
p = s.bufptr()
}
if s.cursor+surrogateOffset >= s.length || s.buf[s.cursor+defaultOffset] != '\\' || s.buf[s.cursor+defaultOffset+1] != 'u' {
return unicode.ReplacementChar, defaultOffset, p, nil
}
r2 := unicodeToRune(s.buf[s.cursor+defaultOffset+2 : s.cursor+surrogateOffset])
if r := utf16.DecodeRune(r, r2); r != unicode.ReplacementChar {
return r, surrogateOffset, p, nil
}
}
return r, defaultOffset, p, nil
}
func decodeUnicode(s *Stream, p unsafe.Pointer) (unsafe.Pointer, error) {
const backSlashAndULen = 2 // length of \u
r, offset, pp, err := decodeUnicodeRune(s, p)
if err != nil {
return nil, err
}
unicode := []byte(string(r))
unicodeLen := int64(len(unicode))
s.buf = append(append(s.buf[:s.cursor-1], unicode...), s.buf[s.cursor+offset:]...)
unicodeOrgLen := offset - 1
s.length = s.length - (backSlashAndULen + (unicodeOrgLen - unicodeLen))
s.cursor = s.cursor - backSlashAndULen + unicodeLen
return pp, nil
}
func decodeEscapeString(s *Stream, p unsafe.Pointer) (unsafe.Pointer, error) {
s.cursor++
RETRY:
switch s.buf[s.cursor] {
case '"':
s.buf[s.cursor] = '"'
case '\\':
s.buf[s.cursor] = '\\'
case '/':
s.buf[s.cursor] = '/'
case 'b':
s.buf[s.cursor] = '\b'
case 'f':
s.buf[s.cursor] = '\f'
case 'n':
s.buf[s.cursor] = '\n'
case 'r':
s.buf[s.cursor] = '\r'
case 't':
s.buf[s.cursor] = '\t'
case 'u':
return decodeUnicode(s, p)
case nul:
if !s.read() {
return nil, errors.ErrInvalidCharacter(s.char(), "escaped string", s.totalOffset())
}
goto RETRY
default:
return nil, errors.ErrUnexpectedEndOfJSON("string", s.totalOffset())
}
s.buf = append(s.buf[:s.cursor-1], s.buf[s.cursor:]...)
s.length--
s.cursor--
p = s.bufptr()
return p, nil
}
var (
runeErrBytes = []byte(string(utf8.RuneError))
runeErrBytesLen = int64(len(runeErrBytes))
)
func stringBytes(s *Stream) ([]byte, error) {
_, cursor, p := s.stat()
cursor++ // skip double quote char
start := cursor
for {
switch char(p, cursor) {
case '\\':
s.cursor = cursor
pp, err := decodeEscapeString(s, p)
if err != nil {
return nil, err
}
p = pp
cursor = s.cursor
case '"':
literal := s.buf[start:cursor]
cursor++
s.cursor = cursor
return literal, nil
case
// 0x00 is nul, 0x5c is '\\', 0x22 is '"' .
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, // 0x00-0x0F
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, // 0x10-0x1F
0x20, 0x21 /*0x22,*/, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, // 0x20-0x2F
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F, // 0x30-0x3F
0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, // 0x40-0x4F
0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x5B /*0x5C,*/, 0x5D, 0x5E, 0x5F, // 0x50-0x5F
0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, // 0x60-0x6F
0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F: // 0x70-0x7F
// character is ASCII. skip to next char
case
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x8B, 0x8C, 0x8D, 0x8E, 0x8F, // 0x80-0x8F
0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0x9B, 0x9C, 0x9D, 0x9E, 0x9F, // 0x90-0x9F
0xA0, 0xA1, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xAF, // 0xA0-0xAF
0xB0, 0xB1, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xBB, 0xBC, 0xBD, 0xBE, 0xBF, // 0xB0-0xBF
0xC0, 0xC1, // 0xC0-0xC1
0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA, 0xFB, 0xFC, 0xFD, 0xFE, 0xFF: // 0xF5-0xFE
// character is invalid
s.buf = append(append(append([]byte{}, s.buf[:cursor]...), runeErrBytes...), s.buf[cursor+1:]...)
_, _, p = s.stat()
cursor += runeErrBytesLen
s.length += runeErrBytesLen
continue
case nul:
s.cursor = cursor
if s.read() {
_, cursor, p = s.stat()
continue
}
goto ERROR
case 0xEF:
// RuneError is {0xEF, 0xBF, 0xBD}
if s.buf[cursor+1] == 0xBF && s.buf[cursor+2] == 0xBD {
// found RuneError: skip
cursor += 2
break
}
fallthrough
default:
// multi bytes character
if !utf8.FullRune(s.buf[cursor : len(s.buf)-1]) {
s.cursor = cursor
if s.read() {
_, cursor, p = s.stat()
continue
}
goto ERROR
}
r, size := utf8.DecodeRune(s.buf[cursor:])
if r == utf8.RuneError {
s.buf = append(append(append([]byte{}, s.buf[:cursor]...), runeErrBytes...), s.buf[cursor+1:]...)
cursor += runeErrBytesLen
s.length += runeErrBytesLen
_, _, p = s.stat()
} else {
cursor += int64(size)
}
continue
}
cursor++
}
ERROR:
return nil, errors.ErrUnexpectedEndOfJSON("string", s.totalOffset())
}
func (d *stringDecoder) decodeStreamByte(s *Stream) ([]byte, error) {
for {
switch s.char() {
case ' ', '\n', '\t', '\r':
s.cursor++
continue
case '[':
return nil, d.errUnmarshalType("array", s.totalOffset())
case '{':
return nil, d.errUnmarshalType("object", s.totalOffset())
case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
return nil, d.errUnmarshalType("number", s.totalOffset())
case '"':
return stringBytes(s)
case 'n':
if err := nullBytes(s); err != nil {
return nil, err
}
return nil, nil
case nul:
if s.read() {
continue
}
}
break
}
return nil, errors.ErrInvalidBeginningOfValue(s.char(), s.totalOffset())
}
func (d *stringDecoder) decodeByte(buf []byte, cursor int64) ([]byte, int64, error) {
for {
switch buf[cursor] {
case ' ', '\n', '\t', '\r':
cursor++
case '[':
return nil, 0, d.errUnmarshalType("array", cursor)
case '{':
return nil, 0, d.errUnmarshalType("object", cursor)
case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
return nil, 0, d.errUnmarshalType("number", cursor)
case '"':
cursor++
start := cursor
b := (*sliceHeader)(unsafe.Pointer(&buf)).data
for {
switch char(b, cursor) {
case '\\':
cursor++
switch char(b, cursor) {
case '"':
buf[cursor] = '"'
buf = append(buf[:cursor-1], buf[cursor:]...)
case '\\':
buf[cursor] = '\\'
buf = append(buf[:cursor-1], buf[cursor:]...)
case '/':
buf[cursor] = '/'
buf = append(buf[:cursor-1], buf[cursor:]...)
case 'b':
buf[cursor] = '\b'
buf = append(buf[:cursor-1], buf[cursor:]...)
case 'f':
buf[cursor] = '\f'
buf = append(buf[:cursor-1], buf[cursor:]...)
case 'n':
buf[cursor] = '\n'
buf = append(buf[:cursor-1], buf[cursor:]...)
case 'r':
buf[cursor] = '\r'
buf = append(buf[:cursor-1], buf[cursor:]...)
case 't':
buf[cursor] = '\t'
buf = append(buf[:cursor-1], buf[cursor:]...)
case 'u':
buflen := int64(len(buf))
if cursor+5 >= buflen {
return nil, 0, errors.ErrUnexpectedEndOfJSON("escaped string", cursor)
}
code := unicodeToRune(buf[cursor+1 : cursor+5])
unicode := []byte(string(code))
buf = append(append(buf[:cursor-1], unicode...), buf[cursor+5:]...)
default:
return nil, 0, errors.ErrUnexpectedEndOfJSON("escaped string", cursor)
}
continue
case '"':
literal := buf[start:cursor]
cursor++
return literal, cursor, nil
case nul:
return nil, 0, errors.ErrUnexpectedEndOfJSON("string", cursor)
}
cursor++
}
case 'n':
if err := validateNull(buf, cursor); err != nil {
return nil, 0, err
}
cursor += 4
return nil, cursor, nil
default:
return nil, 0, errors.ErrInvalidBeginningOfValue(buf[cursor], cursor)
}
}
}

819
vendor/github.com/goccy/go-json/internal/decoder/struct.go generated vendored Normal file
View File

@ -0,0 +1,819 @@
package decoder
import (
"fmt"
"math"
"math/bits"
"sort"
"strings"
"unicode"
"unicode/utf16"
"unsafe"
"github.com/goccy/go-json/internal/errors"
)
type structFieldSet struct {
dec Decoder
offset uintptr
isTaggedKey bool
fieldIdx int
key string
keyLen int64
err error
}
type structDecoder struct {
fieldMap map[string]*structFieldSet
fieldUniqueNameNum int
stringDecoder *stringDecoder
structName string
fieldName string
isTriedOptimize bool
keyBitmapUint8 [][256]uint8
keyBitmapUint16 [][256]uint16
sortedFieldSets []*structFieldSet
keyDecoder func(*structDecoder, []byte, int64) (int64, *structFieldSet, error)
keyStreamDecoder func(*structDecoder, *Stream) (*structFieldSet, string, error)
}
var (
largeToSmallTable [256]byte
)
func init() {
for i := 0; i < 256; i++ {
c := i
if 'A' <= c && c <= 'Z' {
c += 'a' - 'A'
}
largeToSmallTable[i] = byte(c)
}
}
func newStructDecoder(structName, fieldName string, fieldMap map[string]*structFieldSet) *structDecoder {
return &structDecoder{
fieldMap: fieldMap,
stringDecoder: newStringDecoder(structName, fieldName),
structName: structName,
fieldName: fieldName,
keyDecoder: decodeKey,
keyStreamDecoder: decodeKeyStream,
}
}
const (
allowOptimizeMaxKeyLen = 64
allowOptimizeMaxFieldLen = 16
)
func (d *structDecoder) tryOptimize() {
fieldUniqueNameMap := map[string]int{}
fieldIdx := -1
for k, v := range d.fieldMap {
lower := strings.ToLower(k)
idx, exists := fieldUniqueNameMap[lower]
if exists {
v.fieldIdx = idx
} else {
fieldIdx++
v.fieldIdx = fieldIdx
}
fieldUniqueNameMap[lower] = fieldIdx
}
d.fieldUniqueNameNum = len(fieldUniqueNameMap)
if d.isTriedOptimize {
return
}
fieldMap := map[string]*structFieldSet{}
conflicted := map[string]struct{}{}
for k, v := range d.fieldMap {
key := strings.ToLower(k)
if key != k {
// already exists same key (e.g. Hello and HELLO has same lower case key
if _, exists := conflicted[key]; exists {
d.isTriedOptimize = true
return
}
conflicted[key] = struct{}{}
}
if field, exists := fieldMap[key]; exists {
if field != v {
d.isTriedOptimize = true
return
}
}
fieldMap[key] = v
}
if len(fieldMap) > allowOptimizeMaxFieldLen {
d.isTriedOptimize = true
return
}
var maxKeyLen int
sortedKeys := []string{}
for key := range fieldMap {
keyLen := len(key)
if keyLen > allowOptimizeMaxKeyLen {
d.isTriedOptimize = true
return
}
if maxKeyLen < keyLen {
maxKeyLen = keyLen
}
sortedKeys = append(sortedKeys, key)
}
sort.Strings(sortedKeys)
// By allocating one extra capacity than `maxKeyLen`,
// it is possible to avoid the process of comparing the index of the key with the length of the bitmap each time.
bitmapLen := maxKeyLen + 1
if len(sortedKeys) <= 8 {
keyBitmap := make([][256]uint8, bitmapLen)
for i, key := range sortedKeys {
for j := 0; j < len(key); j++ {
c := key[j]
keyBitmap[j][c] |= (1 << uint(i))
}
d.sortedFieldSets = append(d.sortedFieldSets, fieldMap[key])
}
d.keyBitmapUint8 = keyBitmap
d.keyDecoder = decodeKeyByBitmapUint8
d.keyStreamDecoder = decodeKeyByBitmapUint8Stream
} else {
keyBitmap := make([][256]uint16, bitmapLen)
for i, key := range sortedKeys {
for j := 0; j < len(key); j++ {
c := key[j]
keyBitmap[j][c] |= (1 << uint(i))
}
d.sortedFieldSets = append(d.sortedFieldSets, fieldMap[key])
}
d.keyBitmapUint16 = keyBitmap
d.keyDecoder = decodeKeyByBitmapUint16
d.keyStreamDecoder = decodeKeyByBitmapUint16Stream
}
}
// decode from '\uXXXX'
func decodeKeyCharByUnicodeRune(buf []byte, cursor int64) ([]byte, int64) {
const defaultOffset = 4
const surrogateOffset = 6
r := unicodeToRune(buf[cursor : cursor+defaultOffset])
if utf16.IsSurrogate(r) {
cursor += defaultOffset
if cursor+surrogateOffset >= int64(len(buf)) || buf[cursor] != '\\' || buf[cursor+1] != 'u' {
return []byte(string(unicode.ReplacementChar)), cursor + defaultOffset - 1
}
cursor += 2
r2 := unicodeToRune(buf[cursor : cursor+defaultOffset])
if r := utf16.DecodeRune(r, r2); r != unicode.ReplacementChar {
return []byte(string(r)), cursor + defaultOffset - 1
}
}
return []byte(string(r)), cursor + defaultOffset - 1
}
func decodeKeyCharByEscapedChar(buf []byte, cursor int64) ([]byte, int64) {
c := buf[cursor]
cursor++
switch c {
case '"':
return []byte{'"'}, cursor
case '\\':
return []byte{'\\'}, cursor
case '/':
return []byte{'/'}, cursor
case 'b':
return []byte{'\b'}, cursor
case 'f':
return []byte{'\f'}, cursor
case 'n':
return []byte{'\n'}, cursor
case 'r':
return []byte{'\r'}, cursor
case 't':
return []byte{'\t'}, cursor
case 'u':
return decodeKeyCharByUnicodeRune(buf, cursor)
}
return nil, cursor
}
func decodeKeyByBitmapUint8(d *structDecoder, buf []byte, cursor int64) (int64, *structFieldSet, error) {
var (
curBit uint8 = math.MaxUint8
)
b := (*sliceHeader)(unsafe.Pointer(&buf)).data
for {
switch char(b, cursor) {
case ' ', '\n', '\t', '\r':
cursor++
case '"':
cursor++
c := char(b, cursor)
switch c {
case '"':
cursor++
return cursor, nil, nil
case nul:
return 0, nil, errors.ErrUnexpectedEndOfJSON("string", cursor)
}
keyIdx := 0
bitmap := d.keyBitmapUint8
start := cursor
for {
c := char(b, cursor)
switch c {
case '"':
fieldSetIndex := bits.TrailingZeros8(curBit)
field := d.sortedFieldSets[fieldSetIndex]
keyLen := cursor - start
cursor++
if keyLen < field.keyLen {
// early match
return cursor, nil, nil
}
return cursor, field, nil
case nul:
return 0, nil, errors.ErrUnexpectedEndOfJSON("string", cursor)
case '\\':
cursor++
chars, nextCursor := decodeKeyCharByEscapedChar(buf, cursor)
for _, c := range chars {
curBit &= bitmap[keyIdx][largeToSmallTable[c]]
if curBit == 0 {
return decodeKeyNotFound(b, cursor)
}
keyIdx++
}
cursor = nextCursor
default:
curBit &= bitmap[keyIdx][largeToSmallTable[c]]
if curBit == 0 {
return decodeKeyNotFound(b, cursor)
}
keyIdx++
}
cursor++
}
default:
return cursor, nil, errors.ErrInvalidBeginningOfValue(char(b, cursor), cursor)
}
}
}
func decodeKeyByBitmapUint16(d *structDecoder, buf []byte, cursor int64) (int64, *structFieldSet, error) {
var (
curBit uint16 = math.MaxUint16
)
b := (*sliceHeader)(unsafe.Pointer(&buf)).data
for {
switch char(b, cursor) {
case ' ', '\n', '\t', '\r':
cursor++
case '"':
cursor++
c := char(b, cursor)
switch c {
case '"':
cursor++
return cursor, nil, nil
case nul:
return 0, nil, errors.ErrUnexpectedEndOfJSON("string", cursor)
}
keyIdx := 0
bitmap := d.keyBitmapUint16
start := cursor
for {
c := char(b, cursor)
switch c {
case '"':
fieldSetIndex := bits.TrailingZeros16(curBit)
field := d.sortedFieldSets[fieldSetIndex]
keyLen := cursor - start
cursor++
if keyLen < field.keyLen {
// early match
return cursor, nil, nil
}
return cursor, field, nil
case nul:
return 0, nil, errors.ErrUnexpectedEndOfJSON("string", cursor)
case '\\':
cursor++
chars, nextCursor := decodeKeyCharByEscapedChar(buf, cursor)
for _, c := range chars {
curBit &= bitmap[keyIdx][largeToSmallTable[c]]
if curBit == 0 {
return decodeKeyNotFound(b, cursor)
}
keyIdx++
}
cursor = nextCursor
default:
curBit &= bitmap[keyIdx][largeToSmallTable[c]]
if curBit == 0 {
return decodeKeyNotFound(b, cursor)
}
keyIdx++
}
cursor++
}
default:
return cursor, nil, errors.ErrInvalidBeginningOfValue(char(b, cursor), cursor)
}
}
}
func decodeKeyNotFound(b unsafe.Pointer, cursor int64) (int64, *structFieldSet, error) {
for {
cursor++
switch char(b, cursor) {
case '"':
cursor++
return cursor, nil, nil
case '\\':
cursor++
if char(b, cursor) == nul {
return 0, nil, errors.ErrUnexpectedEndOfJSON("string", cursor)
}
case nul:
return 0, nil, errors.ErrUnexpectedEndOfJSON("string", cursor)
}
}
}
func decodeKey(d *structDecoder, buf []byte, cursor int64) (int64, *structFieldSet, error) {
key, c, err := d.stringDecoder.decodeByte(buf, cursor)
if err != nil {
return 0, nil, err
}
cursor = c
k := *(*string)(unsafe.Pointer(&key))
field, exists := d.fieldMap[k]
if !exists {
return cursor, nil, nil
}
return cursor, field, nil
}
func decodeKeyByBitmapUint8Stream(d *structDecoder, s *Stream) (*structFieldSet, string, error) {
var (
curBit uint8 = math.MaxUint8
)
_, cursor, p := s.stat()
for {
switch char(p, cursor) {
case ' ', '\n', '\t', '\r':
cursor++
case nul:
s.cursor = cursor
if s.read() {
_, cursor, p = s.stat()
continue
}
return nil, "", errors.ErrInvalidBeginningOfValue(char(p, cursor), s.totalOffset())
case '"':
cursor++
FIRST_CHAR:
start := cursor
switch char(p, cursor) {
case '"':
cursor++
s.cursor = cursor
return nil, "", nil
case nul:
s.cursor = cursor
if s.read() {
_, cursor, p = s.stat()
goto FIRST_CHAR
}
return nil, "", errors.ErrUnexpectedEndOfJSON("string", s.totalOffset())
}
keyIdx := 0
bitmap := d.keyBitmapUint8
for {
c := char(p, cursor)
switch c {
case '"':
fieldSetIndex := bits.TrailingZeros8(curBit)
field := d.sortedFieldSets[fieldSetIndex]
keyLen := cursor - start
cursor++
s.cursor = cursor
if keyLen < field.keyLen {
// early match
return nil, field.key, nil
}
return field, field.key, nil
case nul:
s.cursor = cursor
if s.read() {
_, cursor, p = s.stat()
continue
}
return nil, "", errors.ErrUnexpectedEndOfJSON("string", s.totalOffset())
case '\\':
s.cursor = cursor + 1 // skip '\' char
chars, err := decodeKeyCharByEscapeCharStream(s)
if err != nil {
return nil, "", err
}
cursor = s.cursor
for _, c := range chars {
curBit &= bitmap[keyIdx][largeToSmallTable[c]]
if curBit == 0 {
s.cursor = cursor
return decodeKeyNotFoundStream(s, start)
}
keyIdx++
}
default:
curBit &= bitmap[keyIdx][largeToSmallTable[c]]
if curBit == 0 {
s.cursor = cursor
return decodeKeyNotFoundStream(s, start)
}
keyIdx++
}
cursor++
}
default:
return nil, "", errors.ErrInvalidBeginningOfValue(char(p, cursor), s.totalOffset())
}
}
}
func decodeKeyByBitmapUint16Stream(d *structDecoder, s *Stream) (*structFieldSet, string, error) {
var (
curBit uint16 = math.MaxUint16
)
_, cursor, p := s.stat()
for {
switch char(p, cursor) {
case ' ', '\n', '\t', '\r':
cursor++
case nul:
s.cursor = cursor
if s.read() {
_, cursor, p = s.stat()
continue
}
return nil, "", errors.ErrInvalidBeginningOfValue(char(p, cursor), s.totalOffset())
case '"':
cursor++
FIRST_CHAR:
start := cursor
switch char(p, cursor) {
case '"':
cursor++
s.cursor = cursor
return nil, "", nil
case nul:
s.cursor = cursor
if s.read() {
_, cursor, p = s.stat()
goto FIRST_CHAR
}
return nil, "", errors.ErrUnexpectedEndOfJSON("string", s.totalOffset())
}
keyIdx := 0
bitmap := d.keyBitmapUint16
for {
c := char(p, cursor)
switch c {
case '"':
fieldSetIndex := bits.TrailingZeros16(curBit)
field := d.sortedFieldSets[fieldSetIndex]
keyLen := cursor - start
cursor++
s.cursor = cursor
if keyLen < field.keyLen {
// early match
return nil, field.key, nil
}
return field, field.key, nil
case nul:
s.cursor = cursor
if s.read() {
_, cursor, p = s.stat()
continue
}
return nil, "", errors.ErrUnexpectedEndOfJSON("string", s.totalOffset())
case '\\':
s.cursor = cursor + 1 // skip '\' char
chars, err := decodeKeyCharByEscapeCharStream(s)
if err != nil {
return nil, "", err
}
cursor = s.cursor
for _, c := range chars {
curBit &= bitmap[keyIdx][largeToSmallTable[c]]
if curBit == 0 {
s.cursor = cursor
return decodeKeyNotFoundStream(s, start)
}
keyIdx++
}
default:
curBit &= bitmap[keyIdx][largeToSmallTable[c]]
if curBit == 0 {
s.cursor = cursor
return decodeKeyNotFoundStream(s, start)
}
keyIdx++
}
cursor++
}
default:
return nil, "", errors.ErrInvalidBeginningOfValue(char(p, cursor), s.totalOffset())
}
}
}
// decode from '\uXXXX'
func decodeKeyCharByUnicodeRuneStream(s *Stream) ([]byte, error) {
const defaultOffset = 4
const surrogateOffset = 6
if s.cursor+defaultOffset >= s.length {
if !s.read() {
return nil, errors.ErrInvalidCharacter(s.char(), "escaped unicode char", s.totalOffset())
}
}
r := unicodeToRune(s.buf[s.cursor : s.cursor+defaultOffset])
if utf16.IsSurrogate(r) {
s.cursor += defaultOffset
if s.cursor+surrogateOffset >= s.length {
s.read()
}
if s.cursor+surrogateOffset >= s.length || s.buf[s.cursor] != '\\' || s.buf[s.cursor+1] != 'u' {
s.cursor += defaultOffset - 1
return []byte(string(unicode.ReplacementChar)), nil
}
r2 := unicodeToRune(s.buf[s.cursor+defaultOffset+2 : s.cursor+surrogateOffset])
if r := utf16.DecodeRune(r, r2); r != unicode.ReplacementChar {
s.cursor += defaultOffset - 1
return []byte(string(r)), nil
}
}
s.cursor += defaultOffset - 1
return []byte(string(r)), nil
}
func decodeKeyCharByEscapeCharStream(s *Stream) ([]byte, error) {
c := s.buf[s.cursor]
s.cursor++
RETRY:
switch c {
case '"':
return []byte{'"'}, nil
case '\\':
return []byte{'\\'}, nil
case '/':
return []byte{'/'}, nil
case 'b':
return []byte{'\b'}, nil
case 'f':
return []byte{'\f'}, nil
case 'n':
return []byte{'\n'}, nil
case 'r':
return []byte{'\r'}, nil
case 't':
return []byte{'\t'}, nil
case 'u':
return decodeKeyCharByUnicodeRuneStream(s)
case nul:
if !s.read() {
return nil, errors.ErrInvalidCharacter(s.char(), "escaped char", s.totalOffset())
}
goto RETRY
default:
return nil, errors.ErrUnexpectedEndOfJSON("struct field", s.totalOffset())
}
}
func decodeKeyNotFoundStream(s *Stream, start int64) (*structFieldSet, string, error) {
buf, cursor, p := s.stat()
for {
cursor++
switch char(p, cursor) {
case '"':
b := buf[start:cursor]
key := *(*string)(unsafe.Pointer(&b))
cursor++
s.cursor = cursor
return nil, key, nil
case '\\':
cursor++
if char(p, cursor) == nul {
s.cursor = cursor
if !s.read() {
return nil, "", errors.ErrUnexpectedEndOfJSON("string", s.totalOffset())
}
buf, cursor, p = s.statForRetry()
}
case nul:
s.cursor = cursor
if !s.read() {
return nil, "", errors.ErrUnexpectedEndOfJSON("string", s.totalOffset())
}
buf, cursor, p = s.statForRetry()
}
}
}
func decodeKeyStream(d *structDecoder, s *Stream) (*structFieldSet, string, error) {
key, err := d.stringDecoder.decodeStreamByte(s)
if err != nil {
return nil, "", err
}
k := *(*string)(unsafe.Pointer(&key))
return d.fieldMap[k], k, nil
}
func (d *structDecoder) DecodeStream(s *Stream, depth int64, p unsafe.Pointer) error {
depth++
if depth > maxDecodeNestingDepth {
return errors.ErrExceededMaxDepth(s.char(), s.cursor)
}
c := s.skipWhiteSpace()
switch c {
case 'n':
if err := nullBytes(s); err != nil {
return err
}
return nil
default:
if s.char() != '{' {
return errors.ErrInvalidBeginningOfValue(s.char(), s.totalOffset())
}
}
s.cursor++
if s.skipWhiteSpace() == '}' {
s.cursor++
return nil
}
var (
seenFields map[int]struct{}
seenFieldNum int
)
firstWin := (s.Option.Flags & FirstWinOption) != 0
if firstWin {
seenFields = make(map[int]struct{}, d.fieldUniqueNameNum)
}
for {
s.reset()
field, key, err := d.keyStreamDecoder(d, s)
if err != nil {
return err
}
if s.skipWhiteSpace() != ':' {
return errors.ErrExpected("colon after object key", s.totalOffset())
}
s.cursor++
if field != nil {
if field.err != nil {
return field.err
}
if firstWin {
if _, exists := seenFields[field.fieldIdx]; exists {
if err := s.skipValue(depth); err != nil {
return err
}
} else {
if err := field.dec.DecodeStream(s, depth, unsafe.Pointer(uintptr(p)+field.offset)); err != nil {
return err
}
seenFieldNum++
if d.fieldUniqueNameNum <= seenFieldNum {
return s.skipObject(depth)
}
seenFields[field.fieldIdx] = struct{}{}
}
} else {
if err := field.dec.DecodeStream(s, depth, unsafe.Pointer(uintptr(p)+field.offset)); err != nil {
return err
}
}
} else if s.DisallowUnknownFields {
return fmt.Errorf("json: unknown field %q", key)
} else {
if err := s.skipValue(depth); err != nil {
return err
}
}
c := s.skipWhiteSpace()
if c == '}' {
s.cursor++
return nil
}
if c != ',' {
return errors.ErrExpected("comma after object element", s.totalOffset())
}
s.cursor++
}
}
func (d *structDecoder) Decode(ctx *RuntimeContext, cursor, depth int64, p unsafe.Pointer) (int64, error) {
buf := ctx.Buf
depth++
if depth > maxDecodeNestingDepth {
return 0, errors.ErrExceededMaxDepth(buf[cursor], cursor)
}
buflen := int64(len(buf))
cursor = skipWhiteSpace(buf, cursor)
b := (*sliceHeader)(unsafe.Pointer(&buf)).data
switch char(b, cursor) {
case 'n':
if err := validateNull(buf, cursor); err != nil {
return 0, err
}
cursor += 4
return cursor, nil
case '{':
default:
return 0, errors.ErrInvalidBeginningOfValue(char(b, cursor), cursor)
}
cursor++
cursor = skipWhiteSpace(buf, cursor)
if buf[cursor] == '}' {
cursor++
return cursor, nil
}
var (
seenFields map[int]struct{}
seenFieldNum int
)
firstWin := (ctx.Option.Flags & FirstWinOption) != 0
if firstWin {
seenFields = make(map[int]struct{}, d.fieldUniqueNameNum)
}
for {
c, field, err := d.keyDecoder(d, buf, cursor)
if err != nil {
return 0, err
}
cursor = skipWhiteSpace(buf, c)
if char(b, cursor) != ':' {
return 0, errors.ErrExpected("colon after object key", cursor)
}
cursor++
if cursor >= buflen {
return 0, errors.ErrExpected("object value after colon", cursor)
}
if field != nil {
if field.err != nil {
return 0, field.err
}
if firstWin {
if _, exists := seenFields[field.fieldIdx]; exists {
c, err := skipValue(buf, cursor, depth)
if err != nil {
return 0, err
}
cursor = c
} else {
c, err := field.dec.Decode(ctx, cursor, depth, unsafe.Pointer(uintptr(p)+field.offset))
if err != nil {
return 0, err
}
cursor = c
seenFieldNum++
if d.fieldUniqueNameNum <= seenFieldNum {
return skipObject(buf, cursor, depth)
}
seenFields[field.fieldIdx] = struct{}{}
}
} else {
c, err := field.dec.Decode(ctx, cursor, depth, unsafe.Pointer(uintptr(p)+field.offset))
if err != nil {
return 0, err
}
cursor = c
}
} else {
c, err := skipValue(buf, cursor, depth)
if err != nil {
return 0, err
}
cursor = c
}
cursor = skipWhiteSpace(buf, cursor)
if char(b, cursor) == '}' {
cursor++
return cursor, nil
}
if char(b, cursor) != ',' {
return 0, errors.ErrExpected("comma after object element", cursor)
}
cursor++
}
}

29
vendor/github.com/goccy/go-json/internal/decoder/type.go generated vendored Normal file
View File

@ -0,0 +1,29 @@
package decoder
import (
"context"
"encoding"
"encoding/json"
"reflect"
"unsafe"
)
type Decoder interface {
Decode(*RuntimeContext, int64, int64, unsafe.Pointer) (int64, error)
DecodeStream(*Stream, int64, unsafe.Pointer) error
}
const (
nul = '\000'
maxDecodeNestingDepth = 10000
)
type unmarshalerContext interface {
UnmarshalJSON(context.Context, []byte) error
}
var (
unmarshalJSONType = reflect.TypeOf((*json.Unmarshaler)(nil)).Elem()
unmarshalJSONContextType = reflect.TypeOf((*unmarshalerContext)(nil)).Elem()
unmarshalTextType = reflect.TypeOf((*encoding.TextUnmarshaler)(nil)).Elem()
)

190
vendor/github.com/goccy/go-json/internal/decoder/uint.go generated vendored Normal file
View File

@ -0,0 +1,190 @@
package decoder
import (
"fmt"
"reflect"
"unsafe"
"github.com/goccy/go-json/internal/errors"
"github.com/goccy/go-json/internal/runtime"
)
type uintDecoder struct {
typ *runtime.Type
kind reflect.Kind
op func(unsafe.Pointer, uint64)
structName string
fieldName string
}
func newUintDecoder(typ *runtime.Type, structName, fieldName string, op func(unsafe.Pointer, uint64)) *uintDecoder {
return &uintDecoder{
typ: typ,
kind: typ.Kind(),
op: op,
structName: structName,
fieldName: fieldName,
}
}
func (d *uintDecoder) typeError(buf []byte, offset int64) *errors.UnmarshalTypeError {
return &errors.UnmarshalTypeError{
Value: fmt.Sprintf("number %s", string(buf)),
Type: runtime.RType2Type(d.typ),
Offset: offset,
}
}
var (
pow10u64 = [...]uint64{
1e00, 1e01, 1e02, 1e03, 1e04, 1e05, 1e06, 1e07, 1e08, 1e09,
1e10, 1e11, 1e12, 1e13, 1e14, 1e15, 1e16, 1e17, 1e18, 1e19,
}
pow10u64Len = len(pow10u64)
)
func (d *uintDecoder) parseUint(b []byte) (uint64, error) {
maxDigit := len(b)
if maxDigit > pow10u64Len {
return 0, fmt.Errorf("invalid length of number")
}
sum := uint64(0)
for i := 0; i < maxDigit; i++ {
c := uint64(b[i]) - 48
digitValue := pow10u64[maxDigit-i-1]
sum += c * digitValue
}
return sum, nil
}
func (d *uintDecoder) decodeStreamByte(s *Stream) ([]byte, error) {
for {
switch s.char() {
case ' ', '\n', '\t', '\r':
s.cursor++
continue
case '0':
s.cursor++
return numZeroBuf, nil
case '1', '2', '3', '4', '5', '6', '7', '8', '9':
start := s.cursor
for {
s.cursor++
if numTable[s.char()] {
continue
} else if s.char() == nul {
if s.read() {
s.cursor-- // for retry current character
continue
}
}
break
}
num := s.buf[start:s.cursor]
return num, nil
case 'n':
if err := nullBytes(s); err != nil {
return nil, err
}
return nil, nil
case nul:
if s.read() {
continue
}
default:
return nil, d.typeError([]byte{s.char()}, s.totalOffset())
}
break
}
return nil, errors.ErrUnexpectedEndOfJSON("number(unsigned integer)", s.totalOffset())
}
func (d *uintDecoder) decodeByte(buf []byte, cursor int64) ([]byte, int64, error) {
for {
switch buf[cursor] {
case ' ', '\n', '\t', '\r':
cursor++
continue
case '0':
cursor++
return numZeroBuf, cursor, nil
case '1', '2', '3', '4', '5', '6', '7', '8', '9':
start := cursor
cursor++
for numTable[buf[cursor]] {
cursor++
}
num := buf[start:cursor]
return num, cursor, nil
case 'n':
if err := validateNull(buf, cursor); err != nil {
return nil, 0, err
}
cursor += 4
return nil, cursor, nil
default:
return nil, 0, d.typeError([]byte{buf[cursor]}, cursor)
}
}
}
func (d *uintDecoder) DecodeStream(s *Stream, depth int64, p unsafe.Pointer) error {
bytes, err := d.decodeStreamByte(s)
if err != nil {
return err
}
if bytes == nil {
return nil
}
u64, err := d.parseUint(bytes)
if err != nil {
return d.typeError(bytes, s.totalOffset())
}
switch d.kind {
case reflect.Uint8:
if (1 << 8) <= u64 {
return d.typeError(bytes, s.totalOffset())
}
case reflect.Uint16:
if (1 << 16) <= u64 {
return d.typeError(bytes, s.totalOffset())
}
case reflect.Uint32:
if (1 << 32) <= u64 {
return d.typeError(bytes, s.totalOffset())
}
}
d.op(p, u64)
return nil
}
func (d *uintDecoder) Decode(ctx *RuntimeContext, cursor, depth int64, p unsafe.Pointer) (int64, error) {
bytes, c, err := d.decodeByte(ctx.Buf, cursor)
if err != nil {
return 0, err
}
if bytes == nil {
return c, nil
}
cursor = c
u64, err := d.parseUint(bytes)
if err != nil {
return 0, d.typeError(bytes, cursor)
}
switch d.kind {
case reflect.Uint8:
if (1 << 8) <= u64 {
return 0, d.typeError(bytes, cursor)
}
case reflect.Uint16:
if (1 << 16) <= u64 {
return 0, d.typeError(bytes, cursor)
}
case reflect.Uint32:
if (1 << 32) <= u64 {
return 0, d.typeError(bytes, cursor)
}
}
d.op(p, u64)
return cursor, nil
}

91
vendor/github.com/goccy/go-json/internal/decoder/unmarshal_json.go generated vendored Normal file
View File

@ -0,0 +1,91 @@
package decoder
import (
"encoding/json"
"unsafe"
"github.com/goccy/go-json/internal/errors"
"github.com/goccy/go-json/internal/runtime"
)
type unmarshalJSONDecoder struct {
typ *runtime.Type
structName string
fieldName string
}
func newUnmarshalJSONDecoder(typ *runtime.Type, structName, fieldName string) *unmarshalJSONDecoder {
return &unmarshalJSONDecoder{
typ: typ,
structName: structName,
fieldName: fieldName,
}
}
func (d *unmarshalJSONDecoder) annotateError(cursor int64, err error) {
switch e := err.(type) {
case *errors.UnmarshalTypeError:
e.Struct = d.structName
e.Field = d.fieldName
case *errors.SyntaxError:
e.Offset = cursor
}
}
func (d *unmarshalJSONDecoder) DecodeStream(s *Stream, depth int64, p unsafe.Pointer) error {
s.skipWhiteSpace()
start := s.cursor
if err := s.skipValue(depth); err != nil {
return err
}
src := s.buf[start:s.cursor]
dst := make([]byte, len(src))
copy(dst, src)
v := *(*interface{})(unsafe.Pointer(&emptyInterface{
typ: d.typ,
ptr: p,
}))
if (s.Option.Flags & ContextOption) != 0 {
if err := v.(unmarshalerContext).UnmarshalJSON(s.Option.Context, dst); err != nil {
d.annotateError(s.cursor, err)
return err
}
} else {
if err := v.(json.Unmarshaler).UnmarshalJSON(dst); err != nil {
d.annotateError(s.cursor, err)
return err
}
}
return nil
}
func (d *unmarshalJSONDecoder) Decode(ctx *RuntimeContext, cursor, depth int64, p unsafe.Pointer) (int64, error) {
buf := ctx.Buf
cursor = skipWhiteSpace(buf, cursor)
start := cursor
end, err := skipValue(buf, cursor, depth)
if err != nil {
return 0, err
}
src := buf[start:end]
dst := make([]byte, len(src))
copy(dst, src)
v := *(*interface{})(unsafe.Pointer(&emptyInterface{
typ: d.typ,
ptr: p,
}))
if (ctx.Option.Flags & ContextOption) != 0 {
if err := v.(unmarshalerContext).UnmarshalJSON(ctx.Option.Context, dst); err != nil {
d.annotateError(cursor, err)
return 0, err
}
} else {
if err := v.(json.Unmarshaler).UnmarshalJSON(dst); err != nil {
d.annotateError(cursor, err)
return 0, err
}
}
return end, nil
}

280
vendor/github.com/goccy/go-json/internal/decoder/unmarshal_text.go generated vendored Normal file
View File

@ -0,0 +1,280 @@
package decoder
import (
"bytes"
"encoding"
"unicode"
"unicode/utf16"
"unicode/utf8"
"unsafe"
"github.com/goccy/go-json/internal/errors"
"github.com/goccy/go-json/internal/runtime"
)
type unmarshalTextDecoder struct {
typ *runtime.Type
structName string
fieldName string
}
func newUnmarshalTextDecoder(typ *runtime.Type, structName, fieldName string) *unmarshalTextDecoder {
return &unmarshalTextDecoder{
typ: typ,
structName: structName,
fieldName: fieldName,
}
}
func (d *unmarshalTextDecoder) annotateError(cursor int64, err error) {
switch e := err.(type) {
case *errors.UnmarshalTypeError:
e.Struct = d.structName
e.Field = d.fieldName
case *errors.SyntaxError:
e.Offset = cursor
}
}
var (
nullbytes = []byte(`null`)
)
func (d *unmarshalTextDecoder) DecodeStream(s *Stream, depth int64, p unsafe.Pointer) error {
s.skipWhiteSpace()
start := s.cursor
if err := s.skipValue(depth); err != nil {
return err
}
src := s.buf[start:s.cursor]
if len(src) > 0 {
switch src[0] {
case '[':
return &errors.UnmarshalTypeError{
Value: "array",
Type: runtime.RType2Type(d.typ),
Offset: s.totalOffset(),
}
case '{':
return &errors.UnmarshalTypeError{
Value: "object",
Type: runtime.RType2Type(d.typ),
Offset: s.totalOffset(),
}
case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
return &errors.UnmarshalTypeError{
Value: "number",
Type: runtime.RType2Type(d.typ),
Offset: s.totalOffset(),
}
case 'n':
if bytes.Equal(src, nullbytes) {
*(*unsafe.Pointer)(p) = nil
return nil
}
}
}
dst := make([]byte, len(src))
copy(dst, src)
if b, ok := unquoteBytes(dst); ok {
dst = b
}
v := *(*interface{})(unsafe.Pointer(&emptyInterface{
typ: d.typ,
ptr: p,
}))
if err := v.(encoding.TextUnmarshaler).UnmarshalText(dst); err != nil {
d.annotateError(s.cursor, err)
return err
}
return nil
}
func (d *unmarshalTextDecoder) Decode(ctx *RuntimeContext, cursor, depth int64, p unsafe.Pointer) (int64, error) {
buf := ctx.Buf
cursor = skipWhiteSpace(buf, cursor)
start := cursor
end, err := skipValue(buf, cursor, depth)
if err != nil {
return 0, err
}
src := buf[start:end]
if len(src) > 0 {
switch src[0] {
case '[':
return 0, &errors.UnmarshalTypeError{
Value: "array",
Type: runtime.RType2Type(d.typ),
Offset: start,
}
case '{':
return 0, &errors.UnmarshalTypeError{
Value: "object",
Type: runtime.RType2Type(d.typ),
Offset: start,
}
case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
return 0, &errors.UnmarshalTypeError{
Value: "number",
Type: runtime.RType2Type(d.typ),
Offset: start,
}
case 'n':
if bytes.Equal(src, nullbytes) {
*(*unsafe.Pointer)(p) = nil
return end, nil
}
}
}
if s, ok := unquoteBytes(src); ok {
src = s
}
v := *(*interface{})(unsafe.Pointer(&emptyInterface{
typ: d.typ,
ptr: *(*unsafe.Pointer)(unsafe.Pointer(&p)),
}))
if err := v.(encoding.TextUnmarshaler).UnmarshalText(src); err != nil {
d.annotateError(cursor, err)
return 0, err
}
return end, nil
}
func unquoteBytes(s []byte) (t []byte, ok bool) {
length := len(s)
if length < 2 || s[0] != '"' || s[length-1] != '"' {
return
}
s = s[1 : length-1]
length -= 2
// Check for unusual characters. If there are none,
// then no unquoting is needed, so return a slice of the
// original bytes.
r := 0
for r < length {
c := s[r]
if c == '\\' || c == '"' || c < ' ' {
break
}
if c < utf8.RuneSelf {
r++
continue
}
rr, size := utf8.DecodeRune(s[r:])
if rr == utf8.RuneError && size == 1 {
break
}
r += size
}
if r == length {
return s, true
}
b := make([]byte, length+2*utf8.UTFMax)
w := copy(b, s[0:r])
for r < length {
// Out of room? Can only happen if s is full of
// malformed UTF-8 and we're replacing each
// byte with RuneError.
if w >= len(b)-2*utf8.UTFMax {
nb := make([]byte, (len(b)+utf8.UTFMax)*2)
copy(nb, b[0:w])
b = nb
}
switch c := s[r]; {
case c == '\\':
r++
if r >= length {
return
}
switch s[r] {
default:
return
case '"', '\\', '/', '\'':
b[w] = s[r]
r++
w++
case 'b':
b[w] = '\b'
r++
w++
case 'f':
b[w] = '\f'
r++
w++
case 'n':
b[w] = '\n'
r++
w++
case 'r':
b[w] = '\r'
r++
w++
case 't':
b[w] = '\t'
r++
w++
case 'u':
r--
rr := getu4(s[r:])
if rr < 0 {
return
}
r += 6
if utf16.IsSurrogate(rr) {
rr1 := getu4(s[r:])
if dec := utf16.DecodeRune(rr, rr1); dec != unicode.ReplacementChar {
// A valid pair; consume.
r += 6
w += utf8.EncodeRune(b[w:], dec)
break
}
// Invalid surrogate; fall back to replacement rune.
rr = unicode.ReplacementChar
}
w += utf8.EncodeRune(b[w:], rr)
}
// Quote, control characters are invalid.
case c == '"', c < ' ':
return
// ASCII
case c < utf8.RuneSelf:
b[w] = c
r++
w++
// Coerce to well-formed UTF-8.
default:
rr, size := utf8.DecodeRune(s[r:])
r += size
w += utf8.EncodeRune(b[w:], rr)
}
}
return b[0:w], true
}
func getu4(s []byte) rune {
if len(s) < 6 || s[0] != '\\' || s[1] != 'u' {
return -1
}
var r rune
for _, c := range s[2:6] {
switch {
case '0' <= c && c <= '9':
c = c - '0'
case 'a' <= c && c <= 'f':
c = c - 'a' + 10
case 'A' <= c && c <= 'F':
c = c - 'A' + 10
default:
return -1
}
r = r*16 + rune(c)
}
return r
}

68
vendor/github.com/goccy/go-json/internal/decoder/wrapped_string.go generated vendored Normal file
View File

@ -0,0 +1,68 @@
package decoder
import (
"reflect"
"unsafe"
"github.com/goccy/go-json/internal/runtime"
)
type wrappedStringDecoder struct {
typ *runtime.Type
dec Decoder
stringDecoder *stringDecoder
structName string
fieldName string
isPtrType bool
}
func newWrappedStringDecoder(typ *runtime.Type, dec Decoder, structName, fieldName string) *wrappedStringDecoder {
return &wrappedStringDecoder{
typ: typ,
dec: dec,
stringDecoder: newStringDecoder(structName, fieldName),
structName: structName,
fieldName: fieldName,
isPtrType: typ.Kind() == reflect.Ptr,
}
}
func (d *wrappedStringDecoder) DecodeStream(s *Stream, depth int64, p unsafe.Pointer) error {
bytes, err := d.stringDecoder.decodeStreamByte(s)
if err != nil {
return err
}
if bytes == nil {
if d.isPtrType {
*(*unsafe.Pointer)(p) = nil
}
return nil
}
b := make([]byte, len(bytes)+1)
copy(b, bytes)
if _, err := d.dec.Decode(&RuntimeContext{Buf: b}, 0, depth, p); err != nil {
return err
}
return nil
}
func (d *wrappedStringDecoder) Decode(ctx *RuntimeContext, cursor, depth int64, p unsafe.Pointer) (int64, error) {
bytes, c, err := d.stringDecoder.decodeByte(ctx.Buf, cursor)
if err != nil {
return 0, err
}
if bytes == nil {
if d.isPtrType {
*(*unsafe.Pointer)(p) = nil
}
return c, nil
}
bytes = append(bytes, nul)
oldBuf := ctx.Buf
ctx.Buf = bytes
if _, err := d.dec.Decode(ctx, 0, depth, p); err != nil {
return 0, err
}
ctx.Buf = oldBuf
return c, nil
}

286
vendor/github.com/goccy/go-json/internal/encoder/compact.go generated vendored Normal file
View File

@ -0,0 +1,286 @@
package encoder
import (
"bytes"
"fmt"
"strconv"
"unsafe"
"github.com/goccy/go-json/internal/errors"
)
var (
isWhiteSpace = [256]bool{
' ': true,
'\n': true,
'\t': true,
'\r': true,
}
isHTMLEscapeChar = [256]bool{
'<': true,
'>': true,
'&': true,
}
nul = byte('\000')
)
func Compact(buf *bytes.Buffer, src []byte, escape bool) error {
if len(src) == 0 {
return errors.ErrUnexpectedEndOfJSON("", 0)
}
buf.Grow(len(src))
dst := buf.Bytes()
ctx := TakeRuntimeContext()
ctxBuf := ctx.Buf[:0]
ctxBuf = append(append(ctxBuf, src...), nul)
ctx.Buf = ctxBuf
if err := compactAndWrite(buf, dst, ctxBuf, escape); err != nil {
ReleaseRuntimeContext(ctx)
return err
}
ReleaseRuntimeContext(ctx)
return nil
}
func compactAndWrite(buf *bytes.Buffer, dst []byte, src []byte, escape bool) error {
dst, err := compact(dst, src, escape)
if err != nil {
return err
}
if _, err := buf.Write(dst); err != nil {
return err
}
return nil
}
func compact(dst, src []byte, escape bool) ([]byte, error) {
buf, cursor, err := compactValue(dst, src, 0, escape)
if err != nil {
return nil, err
}
if err := validateEndBuf(src, cursor); err != nil {
return nil, err
}
return buf, nil
}
func validateEndBuf(src []byte, cursor int64) error {
for {
switch src[cursor] {
case ' ', '\t', '\n', '\r':
cursor++
continue
case nul:
return nil
}
return errors.ErrSyntax(
fmt.Sprintf("invalid character '%c' after top-level value", src[cursor]),
cursor+1,
)
}
}
func skipWhiteSpace(buf []byte, cursor int64) int64 {
LOOP:
if isWhiteSpace[buf[cursor]] {
cursor++
goto LOOP
}
return cursor
}
func compactValue(dst, src []byte, cursor int64, escape bool) ([]byte, int64, error) {
for {
switch src[cursor] {
case ' ', '\t', '\n', '\r':
cursor++
continue
case '{':
return compactObject(dst, src, cursor, escape)
case '}':
return nil, 0, errors.ErrSyntax("unexpected character '}'", cursor)
case '[':
return compactArray(dst, src, cursor, escape)
case ']':
return nil, 0, errors.ErrSyntax("unexpected character ']'", cursor)
case '"':
return compactString(dst, src, cursor, escape)
case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
return compactNumber(dst, src, cursor)
case 't':
return compactTrue(dst, src, cursor)
case 'f':
return compactFalse(dst, src, cursor)
case 'n':
return compactNull(dst, src, cursor)
default:
return nil, 0, errors.ErrSyntax(fmt.Sprintf("unexpected character '%c'", src[cursor]), cursor)
}
}
}
func compactObject(dst, src []byte, cursor int64, escape bool) ([]byte, int64, error) {
if src[cursor] == '{' {
dst = append(dst, '{')
} else {
return nil, 0, errors.ErrExpected("expected { character for object value", cursor)
}
cursor = skipWhiteSpace(src, cursor+1)
if src[cursor] == '}' {
dst = append(dst, '}')
return dst, cursor + 1, nil
}
var err error
for {
cursor = skipWhiteSpace(src, cursor)
dst, cursor, err = compactString(dst, src, cursor, escape)
if err != nil {
return nil, 0, err
}
cursor = skipWhiteSpace(src, cursor)
if src[cursor] != ':' {
return nil, 0, errors.ErrExpected("colon after object key", cursor)
}
dst = append(dst, ':')
dst, cursor, err = compactValue(dst, src, cursor+1, escape)
if err != nil {
return nil, 0, err
}
cursor = skipWhiteSpace(src, cursor)
switch src[cursor] {
case '}':
dst = append(dst, '}')
cursor++
return dst, cursor, nil
case ',':
dst = append(dst, ',')
default:
return nil, 0, errors.ErrExpected("comma after object value", cursor)
}
cursor++
}
}
func compactArray(dst, src []byte, cursor int64, escape bool) ([]byte, int64, error) {
if src[cursor] == '[' {
dst = append(dst, '[')
} else {
return nil, 0, errors.ErrExpected("expected [ character for array value", cursor)
}
cursor = skipWhiteSpace(src, cursor+1)
if src[cursor] == ']' {
dst = append(dst, ']')
return dst, cursor + 1, nil
}
var err error
for {
dst, cursor, err = compactValue(dst, src, cursor, escape)
if err != nil {
return nil, 0, err
}
cursor = skipWhiteSpace(src, cursor)
switch src[cursor] {
case ']':
dst = append(dst, ']')
cursor++
return dst, cursor, nil
case ',':
dst = append(dst, ',')
default:
return nil, 0, errors.ErrExpected("comma after array value", cursor)
}
cursor++
}
}
func compactString(dst, src []byte, cursor int64, escape bool) ([]byte, int64, error) {
if src[cursor] != '"' {
return nil, 0, errors.ErrInvalidCharacter(src[cursor], "string", cursor)
}
start := cursor
for {
cursor++
c := src[cursor]
if escape {
if isHTMLEscapeChar[c] {
dst = append(dst, src[start:cursor]...)
dst = append(dst, `\u00`...)
dst = append(dst, hex[c>>4], hex[c&0xF])
start = cursor + 1
} else if c == 0xE2 && cursor+2 < int64(len(src)) && src[cursor+1] == 0x80 && src[cursor+2]&^1 == 0xA8 {
dst = append(dst, src[start:cursor]...)
dst = append(dst, `\u202`...)
dst = append(dst, hex[src[cursor+2]&0xF])
cursor += 2
start = cursor + 3
}
}
switch c {
case '\\':
cursor++
if src[cursor] == nul {
return nil, 0, errors.ErrUnexpectedEndOfJSON("string", int64(len(src)))
}
case '"':
cursor++
return append(dst, src[start:cursor]...), cursor, nil
case nul:
return nil, 0, errors.ErrUnexpectedEndOfJSON("string", int64(len(src)))
}
}
}
func compactNumber(dst, src []byte, cursor int64) ([]byte, int64, error) {
start := cursor
for {
cursor++
if floatTable[src[cursor]] {
continue
}
break
}
num := src[start:cursor]
if _, err := strconv.ParseFloat(*(*string)(unsafe.Pointer(&num)), 64); err != nil {
return nil, 0, err
}
dst = append(dst, num...)
return dst, cursor, nil
}
func compactTrue(dst, src []byte, cursor int64) ([]byte, int64, error) {
if cursor+3 >= int64(len(src)) {
return nil, 0, errors.ErrUnexpectedEndOfJSON("true", cursor)
}
if !bytes.Equal(src[cursor:cursor+4], []byte(`true`)) {
return nil, 0, errors.ErrInvalidCharacter(src[cursor], "true", cursor)
}
dst = append(dst, "true"...)
cursor += 4
return dst, cursor, nil
}
func compactFalse(dst, src []byte, cursor int64) ([]byte, int64, error) {
if cursor+4 >= int64(len(src)) {
return nil, 0, errors.ErrUnexpectedEndOfJSON("false", cursor)
}
if !bytes.Equal(src[cursor:cursor+5], []byte(`false`)) {
return nil, 0, errors.ErrInvalidCharacter(src[cursor], "false", cursor)
}
dst = append(dst, "false"...)
cursor += 5
return dst, cursor, nil
}
func compactNull(dst, src []byte, cursor int64) ([]byte, int64, error) {
if cursor+3 >= int64(len(src)) {
return nil, 0, errors.ErrUnexpectedEndOfJSON("null", cursor)
}
if !bytes.Equal(src[cursor:cursor+4], []byte(`null`)) {
return nil, 0, errors.ErrInvalidCharacter(src[cursor], "null", cursor)
}
dst = append(dst, "null"...)
cursor += 4
return dst, cursor, nil
}

1570
vendor/github.com/goccy/go-json/internal/encoder/compiler.go generated vendored Normal file
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File diff suppressed because it is too large Load Diff

56
vendor/github.com/goccy/go-json/internal/encoder/compiler_norace.go generated vendored Normal file
View File

@ -0,0 +1,56 @@
// +build !race
package encoder
import (
"unsafe"
"github.com/goccy/go-json/internal/runtime"
)
func CompileToGetCodeSet(typeptr uintptr) (*OpcodeSet, error) {
if typeptr > typeAddr.MaxTypeAddr {
return compileToGetCodeSetSlowPath(typeptr)
}
index := (typeptr - typeAddr.BaseTypeAddr) >> typeAddr.AddrShift
if codeSet := cachedOpcodeSets[index]; codeSet != nil {
return codeSet, nil
}
// noescape trick for header.typ ( reflect.*rtype )
copiedType := *(**runtime.Type)(unsafe.Pointer(&typeptr))
noescapeKeyCode, err := compileHead(&compileContext{
typ: copiedType,
structTypeToCompiledCode: map[uintptr]*CompiledCode{},
})
if err != nil {
return nil, err
}
escapeKeyCode, err := compileHead(&compileContext{
typ: copiedType,
structTypeToCompiledCode: map[uintptr]*CompiledCode{},
escapeKey: true,
})
if err != nil {
return nil, err
}
noescapeKeyCode = copyOpcode(noescapeKeyCode)
escapeKeyCode = copyOpcode(escapeKeyCode)
setTotalLengthToInterfaceOp(noescapeKeyCode)
setTotalLengthToInterfaceOp(escapeKeyCode)
interfaceNoescapeKeyCode := copyToInterfaceOpcode(noescapeKeyCode)
interfaceEscapeKeyCode := copyToInterfaceOpcode(escapeKeyCode)
codeLength := noescapeKeyCode.TotalLength()
codeSet := &OpcodeSet{
Type: copiedType,
NoescapeKeyCode: noescapeKeyCode,
EscapeKeyCode: escapeKeyCode,
InterfaceNoescapeKeyCode: interfaceNoescapeKeyCode,
InterfaceEscapeKeyCode: interfaceEscapeKeyCode,
CodeLength: codeLength,
EndCode: ToEndCode(interfaceNoescapeKeyCode),
}
cachedOpcodeSets[index] = codeSet
return codeSet, nil
}

65
vendor/github.com/goccy/go-json/internal/encoder/compiler_race.go generated vendored Normal file
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@ -0,0 +1,65 @@
// +build race
package encoder
import (
"sync"
"unsafe"
"github.com/goccy/go-json/internal/runtime"
)
var setsMu sync.RWMutex
func CompileToGetCodeSet(typeptr uintptr) (*OpcodeSet, error) {
if typeptr > typeAddr.MaxTypeAddr {
return compileToGetCodeSetSlowPath(typeptr)
}
index := (typeptr - typeAddr.BaseTypeAddr) >> typeAddr.AddrShift
setsMu.RLock()
if codeSet := cachedOpcodeSets[index]; codeSet != nil {
setsMu.RUnlock()
return codeSet, nil
}
setsMu.RUnlock()
// noescape trick for header.typ ( reflect.*rtype )
copiedType := *(**runtime.Type)(unsafe.Pointer(&typeptr))
noescapeKeyCode, err := compileHead(&compileContext{
typ: copiedType,
structTypeToCompiledCode: map[uintptr]*CompiledCode{},
})
if err != nil {
return nil, err
}
escapeKeyCode, err := compileHead(&compileContext{
typ: copiedType,
structTypeToCompiledCode: map[uintptr]*CompiledCode{},
escapeKey: true,
})
if err != nil {
return nil, err
}
noescapeKeyCode = copyOpcode(noescapeKeyCode)
escapeKeyCode = copyOpcode(escapeKeyCode)
setTotalLengthToInterfaceOp(noescapeKeyCode)
setTotalLengthToInterfaceOp(escapeKeyCode)
interfaceNoescapeKeyCode := copyToInterfaceOpcode(noescapeKeyCode)
interfaceEscapeKeyCode := copyToInterfaceOpcode(escapeKeyCode)
codeLength := noescapeKeyCode.TotalLength()
codeSet := &OpcodeSet{
Type: copiedType,
NoescapeKeyCode: noescapeKeyCode,
EscapeKeyCode: escapeKeyCode,
InterfaceNoescapeKeyCode: interfaceNoescapeKeyCode,
InterfaceEscapeKeyCode: interfaceEscapeKeyCode,
CodeLength: codeLength,
EndCode: ToEndCode(interfaceNoescapeKeyCode),
}
setsMu.Lock()
cachedOpcodeSets[index] = codeSet
setsMu.Unlock()
return codeSet, nil
}

141
vendor/github.com/goccy/go-json/internal/encoder/context.go generated vendored Normal file
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@ -0,0 +1,141 @@
package encoder
import (
"context"
"sync"
"unsafe"
"github.com/goccy/go-json/internal/runtime"
)
type compileContext struct {
typ *runtime.Type
opcodeIndex uint32
ptrIndex int
indent uint32
escapeKey bool
structTypeToCompiledCode map[uintptr]*CompiledCode
parent *compileContext
}
func (c *compileContext) context() *compileContext {
return &compileContext{
typ: c.typ,
opcodeIndex: c.opcodeIndex,
ptrIndex: c.ptrIndex,
indent: c.indent,
escapeKey: c.escapeKey,
structTypeToCompiledCode: c.structTypeToCompiledCode,
parent: c,
}
}
func (c *compileContext) withType(typ *runtime.Type) *compileContext {
ctx := c.context()
ctx.typ = typ
return ctx
}
func (c *compileContext) incIndent() *compileContext {
ctx := c.context()
ctx.indent++
return ctx
}
func (c *compileContext) decIndent() *compileContext {
ctx := c.context()
ctx.indent--
return ctx
}
func (c *compileContext) incIndex() {
c.incOpcodeIndex()
c.incPtrIndex()
}
func (c *compileContext) decIndex() {
c.decOpcodeIndex()
c.decPtrIndex()
}
func (c *compileContext) incOpcodeIndex() {
c.opcodeIndex++
if c.parent != nil {
c.parent.incOpcodeIndex()
}
}
func (c *compileContext) decOpcodeIndex() {
c.opcodeIndex--
if c.parent != nil {
c.parent.decOpcodeIndex()
}
}
func (c *compileContext) incPtrIndex() {
c.ptrIndex++
if c.parent != nil {
c.parent.incPtrIndex()
}
}
func (c *compileContext) decPtrIndex() {
c.ptrIndex--
if c.parent != nil {
c.parent.decPtrIndex()
}
}
const (
bufSize = 1024
)
var (
runtimeContextPool = sync.Pool{
New: func() interface{} {
return &RuntimeContext{
Buf: make([]byte, 0, bufSize),
Ptrs: make([]uintptr, 128),
KeepRefs: make([]unsafe.Pointer, 0, 8),
Option: &Option{},
}
},
}
)
type RuntimeContext struct {
Context context.Context
Buf []byte
MarshalBuf []byte
Ptrs []uintptr
KeepRefs []unsafe.Pointer
SeenPtr []uintptr
BaseIndent uint32
Prefix []byte
IndentStr []byte
Option *Option
}
func (c *RuntimeContext) Init(p uintptr, codelen int) {
if len(c.Ptrs) < codelen {
c.Ptrs = make([]uintptr, codelen)
}
c.Ptrs[0] = p
c.KeepRefs = c.KeepRefs[:0]
c.SeenPtr = c.SeenPtr[:0]
c.BaseIndent = 0
}
func (c *RuntimeContext) Ptr() uintptr {
header := (*runtime.SliceHeader)(unsafe.Pointer(&c.Ptrs))
return uintptr(header.Data)
}
func TakeRuntimeContext() *RuntimeContext {
return runtimeContextPool.Get().(*RuntimeContext)
}
func ReleaseRuntimeContext(ctx *RuntimeContext) {
runtimeContextPool.Put(ctx)
}

551
vendor/github.com/goccy/go-json/internal/encoder/encoder.go generated vendored Normal file
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@ -0,0 +1,551 @@
package encoder
import (
"bytes"
"encoding"
"encoding/base64"
"encoding/json"
"fmt"
"math"
"reflect"
"strconv"
"strings"
"sync"
"unsafe"
"github.com/goccy/go-json/internal/errors"
"github.com/goccy/go-json/internal/runtime"
)
func (t OpType) IsMultipleOpHead() bool {
switch t {
case OpStructHead:
return true
case OpStructHeadSlice:
return true
case OpStructHeadArray:
return true
case OpStructHeadMap:
return true
case OpStructHeadStruct:
return true
case OpStructHeadOmitEmpty:
return true
case OpStructHeadOmitEmptySlice:
return true
case OpStructHeadOmitEmptyArray:
return true
case OpStructHeadOmitEmptyMap:
return true
case OpStructHeadOmitEmptyStruct:
return true
case OpStructHeadSlicePtr:
return true
case OpStructHeadOmitEmptySlicePtr:
return true
case OpStructHeadArrayPtr:
return true
case OpStructHeadOmitEmptyArrayPtr:
return true
case OpStructHeadMapPtr:
return true
case OpStructHeadOmitEmptyMapPtr:
return true
}
return false
}
func (t OpType) IsMultipleOpField() bool {
switch t {
case OpStructField:
return true
case OpStructFieldSlice:
return true
case OpStructFieldArray:
return true
case OpStructFieldMap:
return true
case OpStructFieldStruct:
return true
case OpStructFieldOmitEmpty:
return true
case OpStructFieldOmitEmptySlice:
return true
case OpStructFieldOmitEmptyArray:
return true
case OpStructFieldOmitEmptyMap:
return true
case OpStructFieldOmitEmptyStruct:
return true
case OpStructFieldSlicePtr:
return true
case OpStructFieldOmitEmptySlicePtr:
return true
case OpStructFieldArrayPtr:
return true
case OpStructFieldOmitEmptyArrayPtr:
return true
case OpStructFieldMapPtr:
return true
case OpStructFieldOmitEmptyMapPtr:
return true
}
return false
}
type OpcodeSet struct {
Type *runtime.Type
NoescapeKeyCode *Opcode
EscapeKeyCode *Opcode
InterfaceNoescapeKeyCode *Opcode
InterfaceEscapeKeyCode *Opcode
CodeLength int
EndCode *Opcode
}
type CompiledCode struct {
Code *Opcode
Linked bool // whether recursive code already have linked
CurLen uintptr
NextLen uintptr
}
const StartDetectingCyclesAfter = 1000
func Load(base uintptr, idx uintptr) uintptr {
addr := base + idx
return **(**uintptr)(unsafe.Pointer(&addr))
}
func Store(base uintptr, idx uintptr, p uintptr) {
addr := base + idx
**(**uintptr)(unsafe.Pointer(&addr)) = p
}
func LoadNPtr(base uintptr, idx uintptr, ptrNum int) uintptr {
addr := base + idx
p := **(**uintptr)(unsafe.Pointer(&addr))
if p == 0 {
return 0
}
return PtrToPtr(p)
/*
for i := 0; i < ptrNum; i++ {
if p == 0 {
return p
}
p = PtrToPtr(p)
}
return p
*/
}
func PtrToUint64(p uintptr) uint64 { return **(**uint64)(unsafe.Pointer(&p)) }
func PtrToFloat32(p uintptr) float32 { return **(**float32)(unsafe.Pointer(&p)) }
func PtrToFloat64(p uintptr) float64 { return **(**float64)(unsafe.Pointer(&p)) }
func PtrToBool(p uintptr) bool { return **(**bool)(unsafe.Pointer(&p)) }
func PtrToBytes(p uintptr) []byte { return **(**[]byte)(unsafe.Pointer(&p)) }
func PtrToNumber(p uintptr) json.Number { return **(**json.Number)(unsafe.Pointer(&p)) }
func PtrToString(p uintptr) string { return **(**string)(unsafe.Pointer(&p)) }
func PtrToSlice(p uintptr) *runtime.SliceHeader { return *(**runtime.SliceHeader)(unsafe.Pointer(&p)) }
func PtrToPtr(p uintptr) uintptr {
return uintptr(**(**unsafe.Pointer)(unsafe.Pointer(&p)))
}
func PtrToNPtr(p uintptr, ptrNum int) uintptr {
for i := 0; i < ptrNum; i++ {
if p == 0 {
return 0
}
p = PtrToPtr(p)
}
return p
}
func PtrToUnsafePtr(p uintptr) unsafe.Pointer {
return *(*unsafe.Pointer)(unsafe.Pointer(&p))
}
func PtrToInterface(code *Opcode, p uintptr) interface{} {
return *(*interface{})(unsafe.Pointer(&emptyInterface{
typ: code.Type,
ptr: *(*unsafe.Pointer)(unsafe.Pointer(&p)),
}))
}
func ErrUnsupportedValue(code *Opcode, ptr uintptr) *errors.UnsupportedValueError {
v := *(*interface{})(unsafe.Pointer(&emptyInterface{
typ: code.Type,
ptr: *(*unsafe.Pointer)(unsafe.Pointer(&ptr)),
}))
return &errors.UnsupportedValueError{
Value: reflect.ValueOf(v),
Str: fmt.Sprintf("encountered a cycle via %s", code.Type),
}
}
func ErrUnsupportedFloat(v float64) *errors.UnsupportedValueError {
return &errors.UnsupportedValueError{
Value: reflect.ValueOf(v),
Str: strconv.FormatFloat(v, 'g', -1, 64),
}
}
func ErrMarshalerWithCode(code *Opcode, err error) *errors.MarshalerError {
return &errors.MarshalerError{
Type: runtime.RType2Type(code.Type),
Err: err,
}
}
type emptyInterface struct {
typ *runtime.Type
ptr unsafe.Pointer
}
type MapItem struct {
Key []byte
Value []byte
}
type Mapslice struct {
Items []MapItem
}
func (m *Mapslice) Len() int {
return len(m.Items)
}
func (m *Mapslice) Less(i, j int) bool {
return bytes.Compare(m.Items[i].Key, m.Items[j].Key) < 0
}
func (m *Mapslice) Swap(i, j int) {
m.Items[i], m.Items[j] = m.Items[j], m.Items[i]
}
type MapContext struct {
Pos []int
Slice *Mapslice
Buf []byte
}
var mapContextPool = sync.Pool{
New: func() interface{} {
return &MapContext{}
},
}
func NewMapContext(mapLen int) *MapContext {
ctx := mapContextPool.Get().(*MapContext)
if ctx.Slice == nil {
ctx.Slice = &Mapslice{
Items: make([]MapItem, 0, mapLen),
}
}
if cap(ctx.Pos) < (mapLen*2 + 1) {
ctx.Pos = make([]int, 0, mapLen*2+1)
ctx.Slice.Items = make([]MapItem, 0, mapLen)
} else {
ctx.Pos = ctx.Pos[:0]
ctx.Slice.Items = ctx.Slice.Items[:0]
}
ctx.Buf = ctx.Buf[:0]
return ctx
}
func ReleaseMapContext(c *MapContext) {
mapContextPool.Put(c)
}
//go:linkname MapIterInit reflect.mapiterinit
//go:noescape
func MapIterInit(mapType *runtime.Type, m unsafe.Pointer) unsafe.Pointer
//go:linkname MapIterKey reflect.mapiterkey
//go:noescape
func MapIterKey(it unsafe.Pointer) unsafe.Pointer
//go:linkname MapIterNext reflect.mapiternext
//go:noescape
func MapIterNext(it unsafe.Pointer)
//go:linkname MapLen reflect.maplen
//go:noescape
func MapLen(m unsafe.Pointer) int
func AppendByteSlice(_ *RuntimeContext, b []byte, src []byte) []byte {
if src == nil {
return append(b, `null`...)
}
encodedLen := base64.StdEncoding.EncodedLen(len(src))
b = append(b, '"')
pos := len(b)
remainLen := cap(b[pos:])
var buf []byte
if remainLen > encodedLen {
buf = b[pos : pos+encodedLen]
} else {
buf = make([]byte, encodedLen)
}
base64.StdEncoding.Encode(buf, src)
return append(append(b, buf...), '"')
}
func AppendFloat32(_ *RuntimeContext, b []byte, v float32) []byte {
f64 := float64(v)
abs := math.Abs(f64)
fmt := byte('f')
// Note: Must use float32 comparisons for underlying float32 value to get precise cutoffs right.
if abs != 0 {
f32 := float32(abs)
if f32 < 1e-6 || f32 >= 1e21 {
fmt = 'e'
}
}
return strconv.AppendFloat(b, f64, fmt, -1, 32)
}
func AppendFloat64(_ *RuntimeContext, b []byte, v float64) []byte {
abs := math.Abs(v)
fmt := byte('f')
// Note: Must use float32 comparisons for underlying float32 value to get precise cutoffs right.
if abs != 0 {
if abs < 1e-6 || abs >= 1e21 {
fmt = 'e'
}
}
return strconv.AppendFloat(b, v, fmt, -1, 64)
}
func AppendBool(_ *RuntimeContext, b []byte, v bool) []byte {
if v {
return append(b, "true"...)
}
return append(b, "false"...)
}
var (
floatTable = [256]bool{
'0': true,
'1': true,
'2': true,
'3': true,
'4': true,
'5': true,
'6': true,
'7': true,
'8': true,
'9': true,
'.': true,
'e': true,
'E': true,
'+': true,
'-': true,
}
)
func AppendNumber(_ *RuntimeContext, b []byte, n json.Number) ([]byte, error) {
if len(n) == 0 {
return append(b, '0'), nil
}
for i := 0; i < len(n); i++ {
if !floatTable[n[i]] {
return nil, fmt.Errorf("json: invalid number literal %q", n)
}
}
b = append(b, n...)
return b, nil
}
func AppendMarshalJSON(ctx *RuntimeContext, code *Opcode, b []byte, v interface{}) ([]byte, error) {
rv := reflect.ValueOf(v) // convert by dynamic interface type
if (code.Flags & AddrForMarshalerFlags) != 0 {
if rv.CanAddr() {
rv = rv.Addr()
} else {
newV := reflect.New(rv.Type())
newV.Elem().Set(rv)
rv = newV
}
}
v = rv.Interface()
var bb []byte
if (code.Flags & MarshalerContextFlags) != 0 {
marshaler, ok := v.(marshalerContext)
if !ok {
return AppendNull(ctx, b), nil
}
b, err := marshaler.MarshalJSON(ctx.Option.Context)
if err != nil {
return nil, &errors.MarshalerError{Type: reflect.TypeOf(v), Err: err}
}
bb = b
} else {
marshaler, ok := v.(json.Marshaler)
if !ok {
return AppendNull(ctx, b), nil
}
b, err := marshaler.MarshalJSON()
if err != nil {
return nil, &errors.MarshalerError{Type: reflect.TypeOf(v), Err: err}
}
bb = b
}
marshalBuf := ctx.MarshalBuf[:0]
marshalBuf = append(append(marshalBuf, bb...), nul)
compactedBuf, err := compact(b, marshalBuf, (ctx.Option.Flag&HTMLEscapeOption) != 0)
if err != nil {
return nil, &errors.MarshalerError{Type: reflect.TypeOf(v), Err: err}
}
ctx.MarshalBuf = marshalBuf
return compactedBuf, nil
}
func AppendMarshalJSONIndent(ctx *RuntimeContext, code *Opcode, b []byte, v interface{}) ([]byte, error) {
rv := reflect.ValueOf(v) // convert by dynamic interface type
if (code.Flags & AddrForMarshalerFlags) != 0 {
if rv.CanAddr() {
rv = rv.Addr()
} else {
newV := reflect.New(rv.Type())
newV.Elem().Set(rv)
rv = newV
}
}
v = rv.Interface()
var bb []byte
if (code.Flags & MarshalerContextFlags) != 0 {
marshaler, ok := v.(marshalerContext)
if !ok {
return AppendNull(ctx, b), nil
}
b, err := marshaler.MarshalJSON(ctx.Option.Context)
if err != nil {
return nil, &errors.MarshalerError{Type: reflect.TypeOf(v), Err: err}
}
bb = b
} else {
marshaler, ok := v.(json.Marshaler)
if !ok {
return AppendNull(ctx, b), nil
}
b, err := marshaler.MarshalJSON()
if err != nil {
return nil, &errors.MarshalerError{Type: reflect.TypeOf(v), Err: err}
}
bb = b
}
marshalBuf := ctx.MarshalBuf[:0]
marshalBuf = append(append(marshalBuf, bb...), nul)
indentedBuf, err := doIndent(
b,
marshalBuf,
string(ctx.Prefix)+strings.Repeat(string(ctx.IndentStr), int(ctx.BaseIndent+code.Indent)),
string(ctx.IndentStr),
(ctx.Option.Flag&HTMLEscapeOption) != 0,
)
if err != nil {
return nil, &errors.MarshalerError{Type: reflect.TypeOf(v), Err: err}
}
ctx.MarshalBuf = marshalBuf
return indentedBuf, nil
}
func AppendMarshalText(ctx *RuntimeContext, code *Opcode, b []byte, v interface{}) ([]byte, error) {
rv := reflect.ValueOf(v) // convert by dynamic interface type
if (code.Flags & AddrForMarshalerFlags) != 0 {
if rv.CanAddr() {
rv = rv.Addr()
} else {
newV := reflect.New(rv.Type())
newV.Elem().Set(rv)
rv = newV
}
}
v = rv.Interface()
marshaler, ok := v.(encoding.TextMarshaler)
if !ok {
return AppendNull(ctx, b), nil
}
bytes, err := marshaler.MarshalText()
if err != nil {
return nil, &errors.MarshalerError{Type: reflect.TypeOf(v), Err: err}
}
return AppendString(ctx, b, *(*string)(unsafe.Pointer(&bytes))), nil
}
func AppendMarshalTextIndent(ctx *RuntimeContext, code *Opcode, b []byte, v interface{}) ([]byte, error) {
rv := reflect.ValueOf(v) // convert by dynamic interface type
if (code.Flags & AddrForMarshalerFlags) != 0 {
if rv.CanAddr() {
rv = rv.Addr()
} else {
newV := reflect.New(rv.Type())
newV.Elem().Set(rv)
rv = newV
}
}
v = rv.Interface()
marshaler, ok := v.(encoding.TextMarshaler)
if !ok {
return AppendNull(ctx, b), nil
}
bytes, err := marshaler.MarshalText()
if err != nil {
return nil, &errors.MarshalerError{Type: reflect.TypeOf(v), Err: err}
}
return AppendString(ctx, b, *(*string)(unsafe.Pointer(&bytes))), nil
}
func AppendNull(_ *RuntimeContext, b []byte) []byte {
return append(b, "null"...)
}
func AppendComma(_ *RuntimeContext, b []byte) []byte {
return append(b, ',')
}
func AppendCommaIndent(_ *RuntimeContext, b []byte) []byte {
return append(b, ',', '\n')
}
func AppendStructEnd(_ *RuntimeContext, b []byte) []byte {
return append(b, '}', ',')
}
func AppendStructEndIndent(ctx *RuntimeContext, code *Opcode, b []byte) []byte {
b = append(b, '\n')
b = append(b, ctx.Prefix...)
indentNum := ctx.BaseIndent + code.Indent - 1
for i := uint32(0); i < indentNum; i++ {
b = append(b, ctx.IndentStr...)
}
return append(b, '}', ',', '\n')
}
func AppendIndent(ctx *RuntimeContext, b []byte, indent uint32) []byte {
b = append(b, ctx.Prefix...)
indentNum := ctx.BaseIndent + indent
for i := uint32(0); i < indentNum; i++ {
b = append(b, ctx.IndentStr...)
}
return b
}
func IsNilForMarshaler(v interface{}) bool {
rv := reflect.ValueOf(v)
switch rv.Kind() {
case reflect.Bool:
return !rv.Bool()
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return rv.Int() == 0
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return rv.Uint() == 0
case reflect.Float32, reflect.Float64:
return math.Float64bits(rv.Float()) == 0
case reflect.Interface, reflect.Map, reflect.Ptr, reflect.Func:
return rv.IsNil()
case reflect.Slice:
return rv.IsNil() || rv.Len() == 0
}
return false
}

211
vendor/github.com/goccy/go-json/internal/encoder/indent.go generated vendored Normal file
View File

@ -0,0 +1,211 @@
package encoder
import (
"bytes"
"fmt"
"github.com/goccy/go-json/internal/errors"
)
func takeIndentSrcRuntimeContext(src []byte) (*RuntimeContext, []byte) {
ctx := TakeRuntimeContext()
buf := ctx.Buf[:0]
buf = append(append(buf, src...), nul)
ctx.Buf = buf
return ctx, buf
}
func Indent(buf *bytes.Buffer, src []byte, prefix, indentStr string) error {
if len(src) == 0 {
return errors.ErrUnexpectedEndOfJSON("", 0)
}
srcCtx, srcBuf := takeIndentSrcRuntimeContext(src)
dstCtx := TakeRuntimeContext()
dst := dstCtx.Buf[:0]
dst, err := indentAndWrite(buf, dst, srcBuf, prefix, indentStr)
if err != nil {
ReleaseRuntimeContext(srcCtx)
ReleaseRuntimeContext(dstCtx)
return err
}
dstCtx.Buf = dst
ReleaseRuntimeContext(srcCtx)
ReleaseRuntimeContext(dstCtx)
return nil
}
func indentAndWrite(buf *bytes.Buffer, dst []byte, src []byte, prefix, indentStr string) ([]byte, error) {
dst, err := doIndent(dst, src, prefix, indentStr, false)
if err != nil {
return nil, err
}
if _, err := buf.Write(dst); err != nil {
return nil, err
}
return dst, nil
}
func doIndent(dst, src []byte, prefix, indentStr string, escape bool) ([]byte, error) {
buf, cursor, err := indentValue(dst, src, 0, 0, []byte(prefix), []byte(indentStr), escape)
if err != nil {
return nil, err
}
if err := validateEndBuf(src, cursor); err != nil {
return nil, err
}
return buf, nil
}
func indentValue(
dst []byte,
src []byte,
indentNum int,
cursor int64,
prefix []byte,
indentBytes []byte,
escape bool) ([]byte, int64, error) {
for {
switch src[cursor] {
case ' ', '\t', '\n', '\r':
cursor++
continue
case '{':
return indentObject(dst, src, indentNum, cursor, prefix, indentBytes, escape)
case '}':
return nil, 0, errors.ErrSyntax("unexpected character '}'", cursor)
case '[':
return indentArray(dst, src, indentNum, cursor, prefix, indentBytes, escape)
case ']':
return nil, 0, errors.ErrSyntax("unexpected character ']'", cursor)
case '"':
return compactString(dst, src, cursor, escape)
case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
return compactNumber(dst, src, cursor)
case 't':
return compactTrue(dst, src, cursor)
case 'f':
return compactFalse(dst, src, cursor)
case 'n':
return compactNull(dst, src, cursor)
default:
return nil, 0, errors.ErrSyntax(fmt.Sprintf("unexpected character '%c'", src[cursor]), cursor)
}
}
}
func indentObject(
dst []byte,
src []byte,
indentNum int,
cursor int64,
prefix []byte,
indentBytes []byte,
escape bool) ([]byte, int64, error) {
if src[cursor] == '{' {
dst = append(dst, '{')
} else {
return nil, 0, errors.ErrExpected("expected { character for object value", cursor)
}
cursor = skipWhiteSpace(src, cursor+1)
if src[cursor] == '}' {
dst = append(dst, '}')
return dst, cursor + 1, nil
}
indentNum++
var err error
for {
dst = append(append(dst, '\n'), prefix...)
for i := 0; i < indentNum; i++ {
dst = append(dst, indentBytes...)
}
cursor = skipWhiteSpace(src, cursor)
dst, cursor, err = compactString(dst, src, cursor, escape)
if err != nil {
return nil, 0, err
}
cursor = skipWhiteSpace(src, cursor)
if src[cursor] != ':' {
return nil, 0, errors.ErrSyntax(
fmt.Sprintf("invalid character '%c' after object key", src[cursor]),
cursor+1,
)
}
dst = append(dst, ':', ' ')
dst, cursor, err = indentValue(dst, src, indentNum, cursor+1, prefix, indentBytes, escape)
if err != nil {
return nil, 0, err
}
cursor = skipWhiteSpace(src, cursor)
switch src[cursor] {
case '}':
dst = append(append(dst, '\n'), prefix...)
for i := 0; i < indentNum-1; i++ {
dst = append(dst, indentBytes...)
}
dst = append(dst, '}')
cursor++
return dst, cursor, nil
case ',':
dst = append(dst, ',')
default:
return nil, 0, errors.ErrSyntax(
fmt.Sprintf("invalid character '%c' after object key:value pair", src[cursor]),
cursor+1,
)
}
cursor++
}
}
func indentArray(
dst []byte,
src []byte,
indentNum int,
cursor int64,
prefix []byte,
indentBytes []byte,
escape bool) ([]byte, int64, error) {
if src[cursor] == '[' {
dst = append(dst, '[')
} else {
return nil, 0, errors.ErrExpected("expected [ character for array value", cursor)
}
cursor = skipWhiteSpace(src, cursor+1)
if src[cursor] == ']' {
dst = append(dst, ']')
return dst, cursor + 1, nil
}
indentNum++
var err error
for {
dst = append(append(dst, '\n'), prefix...)
for i := 0; i < indentNum; i++ {
dst = append(dst, indentBytes...)
}
dst, cursor, err = indentValue(dst, src, indentNum, cursor, prefix, indentBytes, escape)
if err != nil {
return nil, 0, err
}
cursor = skipWhiteSpace(src, cursor)
switch src[cursor] {
case ']':
dst = append(append(dst, '\n'), prefix...)
for i := 0; i < indentNum-1; i++ {
dst = append(dst, indentBytes...)
}
dst = append(dst, ']')
cursor++
return dst, cursor, nil
case ',':
dst = append(dst, ',')
default:
return nil, 0, errors.ErrSyntax(
fmt.Sprintf("invalid character '%c' after array value", src[cursor]),
cursor+1,
)
}
cursor++
}
}

152
vendor/github.com/goccy/go-json/internal/encoder/int.go generated vendored Normal file
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@ -0,0 +1,152 @@
package encoder
import (
"unsafe"
)
var endianness int
func init() {
var b [2]byte
*(*uint16)(unsafe.Pointer(&b)) = uint16(0xABCD)
switch b[0] {
case 0xCD:
endianness = 0 // LE
case 0xAB:
endianness = 1 // BE
default:
panic("could not determine endianness")
}
}
// "00010203...96979899" cast to []uint16
var intLELookup = [100]uint16{
0x3030, 0x3130, 0x3230, 0x3330, 0x3430, 0x3530, 0x3630, 0x3730, 0x3830, 0x3930,
0x3031, 0x3131, 0x3231, 0x3331, 0x3431, 0x3531, 0x3631, 0x3731, 0x3831, 0x3931,
0x3032, 0x3132, 0x3232, 0x3332, 0x3432, 0x3532, 0x3632, 0x3732, 0x3832, 0x3932,
0x3033, 0x3133, 0x3233, 0x3333, 0x3433, 0x3533, 0x3633, 0x3733, 0x3833, 0x3933,
0x3034, 0x3134, 0x3234, 0x3334, 0x3434, 0x3534, 0x3634, 0x3734, 0x3834, 0x3934,
0x3035, 0x3135, 0x3235, 0x3335, 0x3435, 0x3535, 0x3635, 0x3735, 0x3835, 0x3935,
0x3036, 0x3136, 0x3236, 0x3336, 0x3436, 0x3536, 0x3636, 0x3736, 0x3836, 0x3936,
0x3037, 0x3137, 0x3237, 0x3337, 0x3437, 0x3537, 0x3637, 0x3737, 0x3837, 0x3937,
0x3038, 0x3138, 0x3238, 0x3338, 0x3438, 0x3538, 0x3638, 0x3738, 0x3838, 0x3938,
0x3039, 0x3139, 0x3239, 0x3339, 0x3439, 0x3539, 0x3639, 0x3739, 0x3839, 0x3939,
}
var intBELookup = [100]uint16{
0x3030, 0x3031, 0x3032, 0x3033, 0x3034, 0x3035, 0x3036, 0x3037, 0x3038, 0x3039,
0x3130, 0x3131, 0x3132, 0x3133, 0x3134, 0x3135, 0x3136, 0x3137, 0x3138, 0x3139,
0x3230, 0x3231, 0x3232, 0x3233, 0x3234, 0x3235, 0x3236, 0x3237, 0x3238, 0x3239,
0x3330, 0x3331, 0x3332, 0x3333, 0x3334, 0x3335, 0x3336, 0x3337, 0x3338, 0x3339,
0x3430, 0x3431, 0x3432, 0x3433, 0x3434, 0x3435, 0x3436, 0x3437, 0x3438, 0x3439,
0x3530, 0x3531, 0x3532, 0x3533, 0x3534, 0x3535, 0x3536, 0x3537, 0x3538, 0x3539,
0x3630, 0x3631, 0x3632, 0x3633, 0x3634, 0x3635, 0x3636, 0x3637, 0x3638, 0x3639,
0x3730, 0x3731, 0x3732, 0x3733, 0x3734, 0x3735, 0x3736, 0x3737, 0x3738, 0x3739,
0x3830, 0x3831, 0x3832, 0x3833, 0x3834, 0x3835, 0x3836, 0x3837, 0x3838, 0x3839,
0x3930, 0x3931, 0x3932, 0x3933, 0x3934, 0x3935, 0x3936, 0x3937, 0x3938, 0x3939,
}
var intLookup = [2]*[100]uint16{&intLELookup, &intBELookup}
func numMask(numBitSize uint8) uint64 {
return 1<<numBitSize - 1
}
func AppendInt(_ *RuntimeContext, out []byte, p uintptr, code *Opcode) []byte {
var u64 uint64
switch code.NumBitSize {
case 8:
u64 = (uint64)(**(**uint8)(unsafe.Pointer(&p)))
case 16:
u64 = (uint64)(**(**uint16)(unsafe.Pointer(&p)))
case 32:
u64 = (uint64)(**(**uint32)(unsafe.Pointer(&p)))
case 64:
u64 = **(**uint64)(unsafe.Pointer(&p))
}
mask := numMask(code.NumBitSize)
n := u64 & mask
negative := (u64>>(code.NumBitSize-1))&1 == 1
if !negative {
if n < 10 {
return append(out, byte(n+'0'))
} else if n < 100 {
u := intLELookup[n]
return append(out, byte(u), byte(u>>8))
}
} else {
n = -n & mask
}
lookup := intLookup[endianness]
var b [22]byte
u := (*[11]uint16)(unsafe.Pointer(&b))
i := 11
for n >= 100 {
j := n % 100
n /= 100
i--
u[i] = lookup[j]
}
i--
u[i] = lookup[n]
i *= 2 // convert to byte index
if n < 10 {
i++ // remove leading zero
}
if negative {
i--
b[i] = '-'
}
return append(out, b[i:]...)
}
func AppendUint(_ *RuntimeContext, out []byte, p uintptr, code *Opcode) []byte {
var u64 uint64
switch code.NumBitSize {
case 8:
u64 = (uint64)(**(**uint8)(unsafe.Pointer(&p)))
case 16:
u64 = (uint64)(**(**uint16)(unsafe.Pointer(&p)))
case 32:
u64 = (uint64)(**(**uint32)(unsafe.Pointer(&p)))
case 64:
u64 = **(**uint64)(unsafe.Pointer(&p))
}
mask := numMask(code.NumBitSize)
n := u64 & mask
if n < 10 {
return append(out, byte(n+'0'))
} else if n < 100 {
u := intLELookup[n]
return append(out, byte(u), byte(u>>8))
}
lookup := intLookup[endianness]
var b [22]byte
u := (*[11]uint16)(unsafe.Pointer(&b))
i := 11
for n >= 100 {
j := n % 100
n /= 100
i--
u[i] = lookup[j]
}
i--
u[i] = lookup[n]
i *= 2 // convert to byte index
if n < 10 {
i++ // remove leading zero
}
return append(out, b[i:]...)
}

8
vendor/github.com/goccy/go-json/internal/encoder/map112.go generated vendored Normal file
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@ -0,0 +1,8 @@
// +build !go1.13
package encoder
import "unsafe"
//go:linkname MapIterValue reflect.mapitervalue
func MapIterValue(it unsafe.Pointer) unsafe.Pointer

8
vendor/github.com/goccy/go-json/internal/encoder/map113.go generated vendored Normal file
View File

@ -0,0 +1,8 @@
// +build go1.13
package encoder
import "unsafe"
//go:linkname MapIterValue reflect.mapiterelem
func MapIterValue(it unsafe.Pointer) unsafe.Pointer

772
vendor/github.com/goccy/go-json/internal/encoder/opcode.go generated vendored Normal file
View File

@ -0,0 +1,772 @@
package encoder
import (
"fmt"
"strings"
"unsafe"
"github.com/goccy/go-json/internal/runtime"
)
const uintptrSize = 4 << (^uintptr(0) >> 63)
type OpFlags uint16
const (
AnonymousHeadFlags OpFlags = 1 << 0
AnonymousKeyFlags OpFlags = 1 << 1
IndirectFlags OpFlags = 1 << 2
IsTaggedKeyFlags OpFlags = 1 << 3
NilCheckFlags OpFlags = 1 << 4
AddrForMarshalerFlags OpFlags = 1 << 5
IsNextOpPtrTypeFlags OpFlags = 1 << 6
IsNilableTypeFlags OpFlags = 1 << 7
MarshalerContextFlags OpFlags = 1 << 8
NonEmptyInterfaceFlags OpFlags = 1 << 9
)
type Opcode struct {
Op OpType // operation type
Idx uint32 // offset to access ptr
Next *Opcode // next opcode
End *Opcode // array/slice/struct/map end
NextField *Opcode // next struct field
Key string // struct field key
Offset uint32 // offset size from struct header
PtrNum uint8 // pointer number: e.g. double pointer is 2.
NumBitSize uint8
Flags OpFlags
Type *runtime.Type // go type
PrevField *Opcode // prev struct field
Jmp *CompiledCode // for recursive call
ElemIdx uint32 // offset to access array/slice/map elem
Length uint32 // offset to access slice/map length or array length
MapIter uint32 // offset to access map iterator
MapPos uint32 // offset to access position list for sorted map
Indent uint32 // indent number
Size uint32 // array/slice elem size
DisplayIdx uint32 // opcode index
DisplayKey string // key text to display
}
func (c *Opcode) MaxIdx() uint32 {
max := uint32(0)
for _, value := range []uint32{
c.Idx,
c.ElemIdx,
c.Length,
c.MapIter,
c.MapPos,
c.Size,
} {
if max < value {
max = value
}
}
return max
}
func (c *Opcode) ToHeaderType(isString bool) OpType {
switch c.Op {
case OpInt:
if isString {
return OpStructHeadIntString
}
return OpStructHeadInt
case OpIntPtr:
if isString {
return OpStructHeadIntPtrString
}
return OpStructHeadIntPtr
case OpUint:
if isString {
return OpStructHeadUintString
}
return OpStructHeadUint
case OpUintPtr:
if isString {
return OpStructHeadUintPtrString
}
return OpStructHeadUintPtr
case OpFloat32:
if isString {
return OpStructHeadFloat32String
}
return OpStructHeadFloat32
case OpFloat32Ptr:
if isString {
return OpStructHeadFloat32PtrString
}
return OpStructHeadFloat32Ptr
case OpFloat64:
if isString {
return OpStructHeadFloat64String
}
return OpStructHeadFloat64
case OpFloat64Ptr:
if isString {
return OpStructHeadFloat64PtrString
}
return OpStructHeadFloat64Ptr
case OpString:
if isString {
return OpStructHeadStringString
}
return OpStructHeadString
case OpStringPtr:
if isString {
return OpStructHeadStringPtrString
}
return OpStructHeadStringPtr
case OpNumber:
if isString {
return OpStructHeadNumberString
}
return OpStructHeadNumber
case OpNumberPtr:
if isString {
return OpStructHeadNumberPtrString
}
return OpStructHeadNumberPtr
case OpBool:
if isString {
return OpStructHeadBoolString
}
return OpStructHeadBool
case OpBoolPtr:
if isString {
return OpStructHeadBoolPtrString
}
return OpStructHeadBoolPtr
case OpBytes:
return OpStructHeadBytes
case OpBytesPtr:
return OpStructHeadBytesPtr
case OpMap:
return OpStructHeadMap
case OpMapPtr:
c.Op = OpMap
return OpStructHeadMapPtr
case OpArray:
return OpStructHeadArray
case OpArrayPtr:
c.Op = OpArray
return OpStructHeadArrayPtr
case OpSlice:
return OpStructHeadSlice
case OpSlicePtr:
c.Op = OpSlice
return OpStructHeadSlicePtr
case OpMarshalJSON:
return OpStructHeadMarshalJSON
case OpMarshalJSONPtr:
return OpStructHeadMarshalJSONPtr
case OpMarshalText:
return OpStructHeadMarshalText
case OpMarshalTextPtr:
return OpStructHeadMarshalTextPtr
}
return OpStructHead
}
func (c *Opcode) ToFieldType(isString bool) OpType {
switch c.Op {
case OpInt:
if isString {
return OpStructFieldIntString
}
return OpStructFieldInt
case OpIntPtr:
if isString {
return OpStructFieldIntPtrString
}
return OpStructFieldIntPtr
case OpUint:
if isString {
return OpStructFieldUintString
}
return OpStructFieldUint
case OpUintPtr:
if isString {
return OpStructFieldUintPtrString
}
return OpStructFieldUintPtr
case OpFloat32:
if isString {
return OpStructFieldFloat32String
}
return OpStructFieldFloat32
case OpFloat32Ptr:
if isString {
return OpStructFieldFloat32PtrString
}
return OpStructFieldFloat32Ptr
case OpFloat64:
if isString {
return OpStructFieldFloat64String
}
return OpStructFieldFloat64
case OpFloat64Ptr:
if isString {
return OpStructFieldFloat64PtrString
}
return OpStructFieldFloat64Ptr
case OpString:
if isString {
return OpStructFieldStringString
}
return OpStructFieldString
case OpStringPtr:
if isString {
return OpStructFieldStringPtrString
}
return OpStructFieldStringPtr
case OpNumber:
if isString {
return OpStructFieldNumberString
}
return OpStructFieldNumber
case OpNumberPtr:
if isString {
return OpStructFieldNumberPtrString
}
return OpStructFieldNumberPtr
case OpBool:
if isString {
return OpStructFieldBoolString
}
return OpStructFieldBool
case OpBoolPtr:
if isString {
return OpStructFieldBoolPtrString
}
return OpStructFieldBoolPtr
case OpBytes:
return OpStructFieldBytes
case OpBytesPtr:
return OpStructFieldBytesPtr
case OpMap:
return OpStructFieldMap
case OpMapPtr:
c.Op = OpMap
return OpStructFieldMapPtr
case OpArray:
return OpStructFieldArray
case OpArrayPtr:
c.Op = OpArray
return OpStructFieldArrayPtr
case OpSlice:
return OpStructFieldSlice
case OpSlicePtr:
c.Op = OpSlice
return OpStructFieldSlicePtr
case OpMarshalJSON:
return OpStructFieldMarshalJSON
case OpMarshalJSONPtr:
return OpStructFieldMarshalJSONPtr
case OpMarshalText:
return OpStructFieldMarshalText
case OpMarshalTextPtr:
return OpStructFieldMarshalTextPtr
}
return OpStructField
}
func newOpCode(ctx *compileContext, op OpType) *Opcode {
return newOpCodeWithNext(ctx, op, newEndOp(ctx))
}
func opcodeOffset(idx int) uint32 {
return uint32(idx) * uintptrSize
}
func copyOpcode(code *Opcode) *Opcode {
codeMap := map[uintptr]*Opcode{}
return code.copy(codeMap)
}
func setTotalLengthToInterfaceOp(code *Opcode) {
c := code
for c.Op != OpEnd && c.Op != OpInterfaceEnd {
if c.Op == OpInterface {
c.Length = uint32(code.TotalLength())
}
switch c.Op.CodeType() {
case CodeArrayElem, CodeSliceElem, CodeMapKey:
c = c.End
default:
c = c.Next
}
}
}
func ToEndCode(code *Opcode) *Opcode {
c := code
for c.Op != OpEnd && c.Op != OpInterfaceEnd {
switch c.Op.CodeType() {
case CodeArrayElem, CodeSliceElem, CodeMapKey:
c = c.End
default:
c = c.Next
}
}
return c
}
func copyToInterfaceOpcode(code *Opcode) *Opcode {
copied := copyOpcode(code)
c := copied
c = ToEndCode(c)
c.Idx += uintptrSize
c.ElemIdx = c.Idx + uintptrSize
c.Length = c.Idx + 2*uintptrSize
c.Op = OpInterfaceEnd
return copied
}
func newOpCodeWithNext(ctx *compileContext, op OpType, next *Opcode) *Opcode {
return &Opcode{
Op: op,
Idx: opcodeOffset(ctx.ptrIndex),
Next: next,
Type: ctx.typ,
DisplayIdx: ctx.opcodeIndex,
Indent: ctx.indent,
}
}
func newEndOp(ctx *compileContext) *Opcode {
return newOpCodeWithNext(ctx, OpEnd, nil)
}
func (c *Opcode) copy(codeMap map[uintptr]*Opcode) *Opcode {
if c == nil {
return nil
}
addr := uintptr(unsafe.Pointer(c))
if code, exists := codeMap[addr]; exists {
return code
}
copied := &Opcode{
Op: c.Op,
Key: c.Key,
PtrNum: c.PtrNum,
NumBitSize: c.NumBitSize,
Flags: c.Flags,
Idx: c.Idx,
Offset: c.Offset,
Type: c.Type,
DisplayIdx: c.DisplayIdx,
DisplayKey: c.DisplayKey,
ElemIdx: c.ElemIdx,
Length: c.Length,
MapIter: c.MapIter,
MapPos: c.MapPos,
Size: c.Size,
Indent: c.Indent,
}
codeMap[addr] = copied
copied.End = c.End.copy(codeMap)
copied.PrevField = c.PrevField.copy(codeMap)
copied.NextField = c.NextField.copy(codeMap)
copied.Next = c.Next.copy(codeMap)
copied.Jmp = c.Jmp
return copied
}
func (c *Opcode) BeforeLastCode() *Opcode {
code := c
for {
var nextCode *Opcode
switch code.Op.CodeType() {
case CodeArrayElem, CodeSliceElem, CodeMapKey:
nextCode = code.End
default:
nextCode = code.Next
}
if nextCode.Op == OpEnd {
return code
}
code = nextCode
}
}
func (c *Opcode) TotalLength() int {
var idx int
code := c
for code.Op != OpEnd && code.Op != OpInterfaceEnd {
maxIdx := int(code.MaxIdx() / uintptrSize)
if idx < maxIdx {
idx = maxIdx
}
if code.Op == OpRecursiveEnd {
break
}
switch code.Op.CodeType() {
case CodeArrayElem, CodeSliceElem, CodeMapKey:
code = code.End
default:
code = code.Next
}
}
maxIdx := int(code.MaxIdx() / uintptrSize)
if idx < maxIdx {
idx = maxIdx
}
return idx + 1
}
func (c *Opcode) decOpcodeIndex() {
for code := c; code.Op != OpEnd; {
code.DisplayIdx--
if code.Idx > 0 {
code.Idx -= uintptrSize
}
if code.ElemIdx > 0 {
code.ElemIdx -= uintptrSize
}
if code.MapIter > 0 {
code.MapIter -= uintptrSize
}
if code.Length > 0 && code.Op.CodeType() != CodeArrayHead && code.Op.CodeType() != CodeArrayElem {
code.Length -= uintptrSize
}
switch code.Op.CodeType() {
case CodeArrayElem, CodeSliceElem, CodeMapKey:
code = code.End
default:
code = code.Next
}
}
}
func (c *Opcode) decIndent() {
for code := c; code.Op != OpEnd; {
code.Indent--
switch code.Op.CodeType() {
case CodeArrayElem, CodeSliceElem, CodeMapKey:
code = code.End
default:
code = code.Next
}
}
}
func (c *Opcode) dumpHead(code *Opcode) string {
var length uint32
if code.Op.CodeType() == CodeArrayHead {
length = code.Length
} else {
length = code.Length / uintptrSize
}
return fmt.Sprintf(
`[%d]%s%s ([idx:%d][elemIdx:%d][length:%d])`,
code.DisplayIdx,
strings.Repeat("-", int(code.Indent)),
code.Op,
code.Idx/uintptrSize,
code.ElemIdx/uintptrSize,
length,
)
}
func (c *Opcode) dumpMapHead(code *Opcode) string {
return fmt.Sprintf(
`[%d]%s%s ([idx:%d][elemIdx:%d][length:%d][mapIter:%d])`,
code.DisplayIdx,
strings.Repeat("-", int(code.Indent)),
code.Op,
code.Idx/uintptrSize,
code.ElemIdx/uintptrSize,
code.Length/uintptrSize,
code.MapIter/uintptrSize,
)
}
func (c *Opcode) dumpMapEnd(code *Opcode) string {
return fmt.Sprintf(
`[%d]%s%s ([idx:%d][mapPos:%d][length:%d])`,
code.DisplayIdx,
strings.Repeat("-", int(code.Indent)),
code.Op,
code.Idx/uintptrSize,
code.MapPos/uintptrSize,
code.Length/uintptrSize,
)
}
func (c *Opcode) dumpElem(code *Opcode) string {
var length uint32
if code.Op.CodeType() == CodeArrayElem {
length = code.Length
} else {
length = code.Length / uintptrSize
}
return fmt.Sprintf(
`[%d]%s%s ([idx:%d][elemIdx:%d][length:%d][size:%d])`,
code.DisplayIdx,
strings.Repeat("-", int(code.Indent)),
code.Op,
code.Idx/uintptrSize,
code.ElemIdx/uintptrSize,
length,
code.Size,
)
}
func (c *Opcode) dumpField(code *Opcode) string {
return fmt.Sprintf(
`[%d]%s%s ([idx:%d][key:%s][offset:%d])`,
code.DisplayIdx,
strings.Repeat("-", int(code.Indent)),
code.Op,
code.Idx/uintptrSize,
code.DisplayKey,
code.Offset,
)
}
func (c *Opcode) dumpKey(code *Opcode) string {
return fmt.Sprintf(
`[%d]%s%s ([idx:%d][elemIdx:%d][length:%d][mapIter:%d])`,
code.DisplayIdx,
strings.Repeat("-", int(code.Indent)),
code.Op,
code.Idx/uintptrSize,
code.ElemIdx/uintptrSize,
code.Length/uintptrSize,
code.MapIter/uintptrSize,
)
}
func (c *Opcode) dumpValue(code *Opcode) string {
return fmt.Sprintf(
`[%d]%s%s ([idx:%d][mapIter:%d])`,
code.DisplayIdx,
strings.Repeat("-", int(code.Indent)),
code.Op,
code.Idx/uintptrSize,
code.MapIter/uintptrSize,
)
}
func (c *Opcode) Dump() string {
codes := []string{}
for code := c; code.Op != OpEnd && code.Op != OpInterfaceEnd; {
switch code.Op.CodeType() {
case CodeSliceHead:
codes = append(codes, c.dumpHead(code))
code = code.Next
case CodeMapHead:
codes = append(codes, c.dumpMapHead(code))
code = code.Next
case CodeArrayElem, CodeSliceElem:
codes = append(codes, c.dumpElem(code))
code = code.End
case CodeMapKey:
codes = append(codes, c.dumpKey(code))
code = code.End
case CodeMapValue:
codes = append(codes, c.dumpValue(code))
code = code.Next
case CodeMapEnd:
codes = append(codes, c.dumpMapEnd(code))
code = code.Next
case CodeStructField:
codes = append(codes, c.dumpField(code))
code = code.Next
case CodeStructEnd:
codes = append(codes, c.dumpField(code))
code = code.Next
default:
codes = append(codes, fmt.Sprintf(
"[%d]%s%s ([idx:%d])",
code.DisplayIdx,
strings.Repeat("-", int(code.Indent)),
code.Op,
code.Idx/uintptrSize,
))
code = code.Next
}
}
return strings.Join(codes, "\n")
}
func prevField(code *Opcode, removedFields map[*Opcode]struct{}) *Opcode {
if _, exists := removedFields[code]; exists {
return prevField(code.PrevField, removedFields)
}
return code
}
func nextField(code *Opcode, removedFields map[*Opcode]struct{}) *Opcode {
if _, exists := removedFields[code]; exists {
return nextField(code.NextField, removedFields)
}
return code
}
func linkPrevToNextField(cur *Opcode, removedFields map[*Opcode]struct{}) {
prev := prevField(cur.PrevField, removedFields)
prev.NextField = nextField(cur.NextField, removedFields)
code := prev
fcode := cur
for {
var nextCode *Opcode
switch code.Op.CodeType() {
case CodeArrayElem, CodeSliceElem, CodeMapKey:
nextCode = code.End
default:
nextCode = code.Next
}
if nextCode == fcode {
code.Next = fcode.Next
break
} else if nextCode.Op == OpEnd {
break
}
code = nextCode
}
}
func newSliceHeaderCode(ctx *compileContext) *Opcode {
idx := opcodeOffset(ctx.ptrIndex)
ctx.incPtrIndex()
elemIdx := opcodeOffset(ctx.ptrIndex)
ctx.incPtrIndex()
length := opcodeOffset(ctx.ptrIndex)
return &Opcode{
Op: OpSlice,
Idx: idx,
DisplayIdx: ctx.opcodeIndex,
ElemIdx: elemIdx,
Length: length,
Indent: ctx.indent,
}
}
func newSliceElemCode(ctx *compileContext, head *Opcode, size uintptr) *Opcode {
return &Opcode{
Op: OpSliceElem,
Idx: head.Idx,
DisplayIdx: ctx.opcodeIndex,
ElemIdx: head.ElemIdx,
Length: head.Length,
Indent: ctx.indent,
Size: uint32(size),
}
}
func newArrayHeaderCode(ctx *compileContext, alen int) *Opcode {
idx := opcodeOffset(ctx.ptrIndex)
ctx.incPtrIndex()
elemIdx := opcodeOffset(ctx.ptrIndex)
return &Opcode{
Op: OpArray,
Idx: idx,
DisplayIdx: ctx.opcodeIndex,
ElemIdx: elemIdx,
Indent: ctx.indent,
Length: uint32(alen),
}
}
func newArrayElemCode(ctx *compileContext, head *Opcode, length int, size uintptr) *Opcode {
return &Opcode{
Op: OpArrayElem,
Idx: head.Idx,
DisplayIdx: ctx.opcodeIndex,
ElemIdx: head.ElemIdx,
Length: uint32(length),
Indent: ctx.indent,
Size: uint32(size),
}
}
func newMapHeaderCode(ctx *compileContext) *Opcode {
idx := opcodeOffset(ctx.ptrIndex)
ctx.incPtrIndex()
elemIdx := opcodeOffset(ctx.ptrIndex)
ctx.incPtrIndex()
length := opcodeOffset(ctx.ptrIndex)
ctx.incPtrIndex()
mapIter := opcodeOffset(ctx.ptrIndex)
return &Opcode{
Op: OpMap,
Idx: idx,
Type: ctx.typ,
DisplayIdx: ctx.opcodeIndex,
ElemIdx: elemIdx,
Length: length,
MapIter: mapIter,
Indent: ctx.indent,
}
}
func newMapKeyCode(ctx *compileContext, head *Opcode) *Opcode {
return &Opcode{
Op: OpMapKey,
Idx: opcodeOffset(ctx.ptrIndex),
DisplayIdx: ctx.opcodeIndex,
ElemIdx: head.ElemIdx,
Length: head.Length,
MapIter: head.MapIter,
Indent: ctx.indent,
}
}
func newMapValueCode(ctx *compileContext, head *Opcode) *Opcode {
return &Opcode{
Op: OpMapValue,
Idx: opcodeOffset(ctx.ptrIndex),
DisplayIdx: ctx.opcodeIndex,
ElemIdx: head.ElemIdx,
Length: head.Length,
MapIter: head.MapIter,
Indent: ctx.indent,
}
}
func newMapEndCode(ctx *compileContext, head *Opcode) *Opcode {
mapPos := opcodeOffset(ctx.ptrIndex)
ctx.incPtrIndex()
idx := opcodeOffset(ctx.ptrIndex)
return &Opcode{
Op: OpMapEnd,
Idx: idx,
Next: newEndOp(ctx),
DisplayIdx: ctx.opcodeIndex,
Length: head.Length,
MapPos: mapPos,
Indent: ctx.indent,
}
}
func newInterfaceCode(ctx *compileContext) *Opcode {
var flag OpFlags
if ctx.typ.NumMethod() > 0 {
flag |= NonEmptyInterfaceFlags
}
return &Opcode{
Op: OpInterface,
Idx: opcodeOffset(ctx.ptrIndex),
Next: newEndOp(ctx),
Type: ctx.typ,
DisplayIdx: ctx.opcodeIndex,
Indent: ctx.indent,
Flags: flag,
}
}
func newRecursiveCode(ctx *compileContext, jmp *CompiledCode) *Opcode {
return &Opcode{
Op: OpRecursive,
Idx: opcodeOffset(ctx.ptrIndex),
Next: newEndOp(ctx),
Type: ctx.typ,
DisplayIdx: ctx.opcodeIndex,
Indent: ctx.indent,
Jmp: jmp,
}
}

41
vendor/github.com/goccy/go-json/internal/encoder/option.go generated vendored Normal file
View File

@ -0,0 +1,41 @@
package encoder
import "context"
type OptionFlag uint8
const (
HTMLEscapeOption OptionFlag = 1 << iota
IndentOption
UnorderedMapOption
DebugOption
ColorizeOption
ContextOption
)
type Option struct {
Flag OptionFlag
ColorScheme *ColorScheme
Context context.Context
}
type EncodeFormat struct {
Header string
Footer string
}
type EncodeFormatScheme struct {
Int EncodeFormat
Uint EncodeFormat
Float EncodeFormat
Bool EncodeFormat
String EncodeFormat
Binary EncodeFormat
ObjectKey EncodeFormat
Null EncodeFormat
}
type (
ColorScheme = EncodeFormatScheme
ColorFormat = EncodeFormat
)

934
vendor/github.com/goccy/go-json/internal/encoder/optype.go generated vendored Normal file
View File

@ -0,0 +1,934 @@
// Code generated by internal/cmd/generator. DO NOT EDIT!
package encoder
import (
"strings"
)
type CodeType int
const (
CodeOp CodeType = 0
CodeArrayHead CodeType = 1
CodeArrayElem CodeType = 2
CodeSliceHead CodeType = 3
CodeSliceElem CodeType = 4
CodeMapHead CodeType = 5
CodeMapKey CodeType = 6
CodeMapValue CodeType = 7
CodeMapEnd CodeType = 8
CodeRecursive CodeType = 9
CodeStructField CodeType = 10
CodeStructEnd CodeType = 11
)
var opTypeStrings = [401]string{
"End",
"Interface",
"Ptr",
"SliceElem",
"SliceEnd",
"ArrayElem",
"ArrayEnd",
"MapKey",
"MapValue",
"MapEnd",
"Recursive",
"RecursivePtr",
"RecursiveEnd",
"InterfaceEnd",
"StructAnonymousEnd",
"Int",
"Uint",
"Float32",
"Float64",
"Bool",
"String",
"Bytes",
"Number",
"Array",
"Map",
"Slice",
"Struct",
"MarshalJSON",
"MarshalText",
"IntString",
"UintString",
"Float32String",
"Float64String",
"BoolString",
"StringString",
"NumberString",
"IntPtr",
"UintPtr",
"Float32Ptr",
"Float64Ptr",
"BoolPtr",
"StringPtr",
"BytesPtr",
"NumberPtr",
"ArrayPtr",
"MapPtr",
"SlicePtr",
"MarshalJSONPtr",
"MarshalTextPtr",
"InterfacePtr",
"IntPtrString",
"UintPtrString",
"Float32PtrString",
"Float64PtrString",
"BoolPtrString",
"StringPtrString",
"NumberPtrString",
"StructHeadInt",
"StructHeadOmitEmptyInt",
"StructPtrHeadInt",
"StructPtrHeadOmitEmptyInt",
"StructHeadUint",
"StructHeadOmitEmptyUint",
"StructPtrHeadUint",
"StructPtrHeadOmitEmptyUint",
"StructHeadFloat32",
"StructHeadOmitEmptyFloat32",
"StructPtrHeadFloat32",
"StructPtrHeadOmitEmptyFloat32",
"StructHeadFloat64",
"StructHeadOmitEmptyFloat64",
"StructPtrHeadFloat64",
"StructPtrHeadOmitEmptyFloat64",
"StructHeadBool",
"StructHeadOmitEmptyBool",
"StructPtrHeadBool",
"StructPtrHeadOmitEmptyBool",
"StructHeadString",
"StructHeadOmitEmptyString",
"StructPtrHeadString",
"StructPtrHeadOmitEmptyString",
"StructHeadBytes",
"StructHeadOmitEmptyBytes",
"StructPtrHeadBytes",
"StructPtrHeadOmitEmptyBytes",
"StructHeadNumber",
"StructHeadOmitEmptyNumber",
"StructPtrHeadNumber",
"StructPtrHeadOmitEmptyNumber",
"StructHeadArray",
"StructHeadOmitEmptyArray",
"StructPtrHeadArray",
"StructPtrHeadOmitEmptyArray",
"StructHeadMap",
"StructHeadOmitEmptyMap",
"StructPtrHeadMap",
"StructPtrHeadOmitEmptyMap",
"StructHeadSlice",
"StructHeadOmitEmptySlice",
"StructPtrHeadSlice",
"StructPtrHeadOmitEmptySlice",
"StructHeadStruct",
"StructHeadOmitEmptyStruct",
"StructPtrHeadStruct",
"StructPtrHeadOmitEmptyStruct",
"StructHeadMarshalJSON",
"StructHeadOmitEmptyMarshalJSON",
"StructPtrHeadMarshalJSON",
"StructPtrHeadOmitEmptyMarshalJSON",
"StructHeadMarshalText",
"StructHeadOmitEmptyMarshalText",
"StructPtrHeadMarshalText",
"StructPtrHeadOmitEmptyMarshalText",
"StructHeadIntString",
"StructHeadOmitEmptyIntString",
"StructPtrHeadIntString",
"StructPtrHeadOmitEmptyIntString",
"StructHeadUintString",
"StructHeadOmitEmptyUintString",
"StructPtrHeadUintString",
"StructPtrHeadOmitEmptyUintString",
"StructHeadFloat32String",
"StructHeadOmitEmptyFloat32String",
"StructPtrHeadFloat32String",
"StructPtrHeadOmitEmptyFloat32String",
"StructHeadFloat64String",
"StructHeadOmitEmptyFloat64String",
"StructPtrHeadFloat64String",
"StructPtrHeadOmitEmptyFloat64String",
"StructHeadBoolString",
"StructHeadOmitEmptyBoolString",
"StructPtrHeadBoolString",
"StructPtrHeadOmitEmptyBoolString",
"StructHeadStringString",
"StructHeadOmitEmptyStringString",
"StructPtrHeadStringString",
"StructPtrHeadOmitEmptyStringString",
"StructHeadNumberString",
"StructHeadOmitEmptyNumberString",
"StructPtrHeadNumberString",
"StructPtrHeadOmitEmptyNumberString",
"StructHeadIntPtr",
"StructHeadOmitEmptyIntPtr",
"StructPtrHeadIntPtr",
"StructPtrHeadOmitEmptyIntPtr",
"StructHeadUintPtr",
"StructHeadOmitEmptyUintPtr",
"StructPtrHeadUintPtr",
"StructPtrHeadOmitEmptyUintPtr",
"StructHeadFloat32Ptr",
"StructHeadOmitEmptyFloat32Ptr",
"StructPtrHeadFloat32Ptr",
"StructPtrHeadOmitEmptyFloat32Ptr",
"StructHeadFloat64Ptr",
"StructHeadOmitEmptyFloat64Ptr",
"StructPtrHeadFloat64Ptr",
"StructPtrHeadOmitEmptyFloat64Ptr",
"StructHeadBoolPtr",
"StructHeadOmitEmptyBoolPtr",
"StructPtrHeadBoolPtr",
"StructPtrHeadOmitEmptyBoolPtr",
"StructHeadStringPtr",
"StructHeadOmitEmptyStringPtr",
"StructPtrHeadStringPtr",
"StructPtrHeadOmitEmptyStringPtr",
"StructHeadBytesPtr",
"StructHeadOmitEmptyBytesPtr",
"StructPtrHeadBytesPtr",
"StructPtrHeadOmitEmptyBytesPtr",
"StructHeadNumberPtr",
"StructHeadOmitEmptyNumberPtr",
"StructPtrHeadNumberPtr",
"StructPtrHeadOmitEmptyNumberPtr",
"StructHeadArrayPtr",
"StructHeadOmitEmptyArrayPtr",
"StructPtrHeadArrayPtr",
"StructPtrHeadOmitEmptyArrayPtr",
"StructHeadMapPtr",
"StructHeadOmitEmptyMapPtr",
"StructPtrHeadMapPtr",
"StructPtrHeadOmitEmptyMapPtr",
"StructHeadSlicePtr",
"StructHeadOmitEmptySlicePtr",
"StructPtrHeadSlicePtr",
"StructPtrHeadOmitEmptySlicePtr",
"StructHeadMarshalJSONPtr",
"StructHeadOmitEmptyMarshalJSONPtr",
"StructPtrHeadMarshalJSONPtr",
"StructPtrHeadOmitEmptyMarshalJSONPtr",
"StructHeadMarshalTextPtr",
"StructHeadOmitEmptyMarshalTextPtr",
"StructPtrHeadMarshalTextPtr",
"StructPtrHeadOmitEmptyMarshalTextPtr",
"StructHeadInterfacePtr",
"StructHeadOmitEmptyInterfacePtr",
"StructPtrHeadInterfacePtr",
"StructPtrHeadOmitEmptyInterfacePtr",
"StructHeadIntPtrString",
"StructHeadOmitEmptyIntPtrString",
"StructPtrHeadIntPtrString",
"StructPtrHeadOmitEmptyIntPtrString",
"StructHeadUintPtrString",
"StructHeadOmitEmptyUintPtrString",
"StructPtrHeadUintPtrString",
"StructPtrHeadOmitEmptyUintPtrString",
"StructHeadFloat32PtrString",
"StructHeadOmitEmptyFloat32PtrString",
"StructPtrHeadFloat32PtrString",
"StructPtrHeadOmitEmptyFloat32PtrString",
"StructHeadFloat64PtrString",
"StructHeadOmitEmptyFloat64PtrString",
"StructPtrHeadFloat64PtrString",
"StructPtrHeadOmitEmptyFloat64PtrString",
"StructHeadBoolPtrString",
"StructHeadOmitEmptyBoolPtrString",
"StructPtrHeadBoolPtrString",
"StructPtrHeadOmitEmptyBoolPtrString",
"StructHeadStringPtrString",
"StructHeadOmitEmptyStringPtrString",
"StructPtrHeadStringPtrString",
"StructPtrHeadOmitEmptyStringPtrString",
"StructHeadNumberPtrString",
"StructHeadOmitEmptyNumberPtrString",
"StructPtrHeadNumberPtrString",
"StructPtrHeadOmitEmptyNumberPtrString",
"StructHead",
"StructHeadOmitEmpty",
"StructPtrHead",
"StructPtrHeadOmitEmpty",
"StructFieldInt",
"StructFieldOmitEmptyInt",
"StructEndInt",
"StructEndOmitEmptyInt",
"StructFieldUint",
"StructFieldOmitEmptyUint",
"StructEndUint",
"StructEndOmitEmptyUint",
"StructFieldFloat32",
"StructFieldOmitEmptyFloat32",
"StructEndFloat32",
"StructEndOmitEmptyFloat32",
"StructFieldFloat64",
"StructFieldOmitEmptyFloat64",
"StructEndFloat64",
"StructEndOmitEmptyFloat64",
"StructFieldBool",
"StructFieldOmitEmptyBool",
"StructEndBool",
"StructEndOmitEmptyBool",
"StructFieldString",
"StructFieldOmitEmptyString",
"StructEndString",
"StructEndOmitEmptyString",
"StructFieldBytes",
"StructFieldOmitEmptyBytes",
"StructEndBytes",
"StructEndOmitEmptyBytes",
"StructFieldNumber",
"StructFieldOmitEmptyNumber",
"StructEndNumber",
"StructEndOmitEmptyNumber",
"StructFieldArray",
"StructFieldOmitEmptyArray",
"StructEndArray",
"StructEndOmitEmptyArray",
"StructFieldMap",
"StructFieldOmitEmptyMap",
"StructEndMap",
"StructEndOmitEmptyMap",
"StructFieldSlice",
"StructFieldOmitEmptySlice",
"StructEndSlice",
"StructEndOmitEmptySlice",
"StructFieldStruct",
"StructFieldOmitEmptyStruct",
"StructEndStruct",
"StructEndOmitEmptyStruct",
"StructFieldMarshalJSON",
"StructFieldOmitEmptyMarshalJSON",
"StructEndMarshalJSON",
"StructEndOmitEmptyMarshalJSON",
"StructFieldMarshalText",
"StructFieldOmitEmptyMarshalText",
"StructEndMarshalText",
"StructEndOmitEmptyMarshalText",
"StructFieldIntString",
"StructFieldOmitEmptyIntString",
"StructEndIntString",
"StructEndOmitEmptyIntString",
"StructFieldUintString",
"StructFieldOmitEmptyUintString",
"StructEndUintString",
"StructEndOmitEmptyUintString",
"StructFieldFloat32String",
"StructFieldOmitEmptyFloat32String",
"StructEndFloat32String",
"StructEndOmitEmptyFloat32String",
"StructFieldFloat64String",
"StructFieldOmitEmptyFloat64String",
"StructEndFloat64String",
"StructEndOmitEmptyFloat64String",
"StructFieldBoolString",
"StructFieldOmitEmptyBoolString",
"StructEndBoolString",
"StructEndOmitEmptyBoolString",
"StructFieldStringString",
"StructFieldOmitEmptyStringString",
"StructEndStringString",
"StructEndOmitEmptyStringString",
"StructFieldNumberString",
"StructFieldOmitEmptyNumberString",
"StructEndNumberString",
"StructEndOmitEmptyNumberString",
"StructFieldIntPtr",
"StructFieldOmitEmptyIntPtr",
"StructEndIntPtr",
"StructEndOmitEmptyIntPtr",
"StructFieldUintPtr",
"StructFieldOmitEmptyUintPtr",
"StructEndUintPtr",
"StructEndOmitEmptyUintPtr",
"StructFieldFloat32Ptr",
"StructFieldOmitEmptyFloat32Ptr",
"StructEndFloat32Ptr",
"StructEndOmitEmptyFloat32Ptr",
"StructFieldFloat64Ptr",
"StructFieldOmitEmptyFloat64Ptr",
"StructEndFloat64Ptr",
"StructEndOmitEmptyFloat64Ptr",
"StructFieldBoolPtr",
"StructFieldOmitEmptyBoolPtr",
"StructEndBoolPtr",
"StructEndOmitEmptyBoolPtr",
"StructFieldStringPtr",
"StructFieldOmitEmptyStringPtr",
"StructEndStringPtr",
"StructEndOmitEmptyStringPtr",
"StructFieldBytesPtr",
"StructFieldOmitEmptyBytesPtr",
"StructEndBytesPtr",
"StructEndOmitEmptyBytesPtr",
"StructFieldNumberPtr",
"StructFieldOmitEmptyNumberPtr",
"StructEndNumberPtr",
"StructEndOmitEmptyNumberPtr",
"StructFieldArrayPtr",
"StructFieldOmitEmptyArrayPtr",
"StructEndArrayPtr",
"StructEndOmitEmptyArrayPtr",
"StructFieldMapPtr",
"StructFieldOmitEmptyMapPtr",
"StructEndMapPtr",
"StructEndOmitEmptyMapPtr",
"StructFieldSlicePtr",
"StructFieldOmitEmptySlicePtr",
"StructEndSlicePtr",
"StructEndOmitEmptySlicePtr",
"StructFieldMarshalJSONPtr",
"StructFieldOmitEmptyMarshalJSONPtr",
"StructEndMarshalJSONPtr",
"StructEndOmitEmptyMarshalJSONPtr",
"StructFieldMarshalTextPtr",
"StructFieldOmitEmptyMarshalTextPtr",
"StructEndMarshalTextPtr",
"StructEndOmitEmptyMarshalTextPtr",
"StructFieldInterfacePtr",
"StructFieldOmitEmptyInterfacePtr",
"StructEndInterfacePtr",
"StructEndOmitEmptyInterfacePtr",
"StructFieldIntPtrString",
"StructFieldOmitEmptyIntPtrString",
"StructEndIntPtrString",
"StructEndOmitEmptyIntPtrString",
"StructFieldUintPtrString",
"StructFieldOmitEmptyUintPtrString",
"StructEndUintPtrString",
"StructEndOmitEmptyUintPtrString",
"StructFieldFloat32PtrString",
"StructFieldOmitEmptyFloat32PtrString",
"StructEndFloat32PtrString",
"StructEndOmitEmptyFloat32PtrString",
"StructFieldFloat64PtrString",
"StructFieldOmitEmptyFloat64PtrString",
"StructEndFloat64PtrString",
"StructEndOmitEmptyFloat64PtrString",
"StructFieldBoolPtrString",
"StructFieldOmitEmptyBoolPtrString",
"StructEndBoolPtrString",
"StructEndOmitEmptyBoolPtrString",
"StructFieldStringPtrString",
"StructFieldOmitEmptyStringPtrString",
"StructEndStringPtrString",
"StructEndOmitEmptyStringPtrString",
"StructFieldNumberPtrString",
"StructFieldOmitEmptyNumberPtrString",
"StructEndNumberPtrString",
"StructEndOmitEmptyNumberPtrString",
"StructField",
"StructFieldOmitEmpty",
"StructEnd",
"StructEndOmitEmpty",
}
type OpType uint16
const (
OpEnd OpType = 0
OpInterface OpType = 1
OpPtr OpType = 2
OpSliceElem OpType = 3
OpSliceEnd OpType = 4
OpArrayElem OpType = 5
OpArrayEnd OpType = 6
OpMapKey OpType = 7
OpMapValue OpType = 8
OpMapEnd OpType = 9
OpRecursive OpType = 10
OpRecursivePtr OpType = 11
OpRecursiveEnd OpType = 12
OpInterfaceEnd OpType = 13
OpStructAnonymousEnd OpType = 14
OpInt OpType = 15
OpUint OpType = 16
OpFloat32 OpType = 17
OpFloat64 OpType = 18
OpBool OpType = 19
OpString OpType = 20
OpBytes OpType = 21
OpNumber OpType = 22
OpArray OpType = 23
OpMap OpType = 24
OpSlice OpType = 25
OpStruct OpType = 26
OpMarshalJSON OpType = 27
OpMarshalText OpType = 28
OpIntString OpType = 29
OpUintString OpType = 30
OpFloat32String OpType = 31
OpFloat64String OpType = 32
OpBoolString OpType = 33
OpStringString OpType = 34
OpNumberString OpType = 35
OpIntPtr OpType = 36
OpUintPtr OpType = 37
OpFloat32Ptr OpType = 38
OpFloat64Ptr OpType = 39
OpBoolPtr OpType = 40
OpStringPtr OpType = 41
OpBytesPtr OpType = 42
OpNumberPtr OpType = 43
OpArrayPtr OpType = 44
OpMapPtr OpType = 45
OpSlicePtr OpType = 46
OpMarshalJSONPtr OpType = 47
OpMarshalTextPtr OpType = 48
OpInterfacePtr OpType = 49
OpIntPtrString OpType = 50
OpUintPtrString OpType = 51
OpFloat32PtrString OpType = 52
OpFloat64PtrString OpType = 53
OpBoolPtrString OpType = 54
OpStringPtrString OpType = 55
OpNumberPtrString OpType = 56
OpStructHeadInt OpType = 57
OpStructHeadOmitEmptyInt OpType = 58
OpStructPtrHeadInt OpType = 59
OpStructPtrHeadOmitEmptyInt OpType = 60
OpStructHeadUint OpType = 61
OpStructHeadOmitEmptyUint OpType = 62
OpStructPtrHeadUint OpType = 63
OpStructPtrHeadOmitEmptyUint OpType = 64
OpStructHeadFloat32 OpType = 65
OpStructHeadOmitEmptyFloat32 OpType = 66
OpStructPtrHeadFloat32 OpType = 67
OpStructPtrHeadOmitEmptyFloat32 OpType = 68
OpStructHeadFloat64 OpType = 69
OpStructHeadOmitEmptyFloat64 OpType = 70
OpStructPtrHeadFloat64 OpType = 71
OpStructPtrHeadOmitEmptyFloat64 OpType = 72
OpStructHeadBool OpType = 73
OpStructHeadOmitEmptyBool OpType = 74
OpStructPtrHeadBool OpType = 75
OpStructPtrHeadOmitEmptyBool OpType = 76
OpStructHeadString OpType = 77
OpStructHeadOmitEmptyString OpType = 78
OpStructPtrHeadString OpType = 79
OpStructPtrHeadOmitEmptyString OpType = 80
OpStructHeadBytes OpType = 81
OpStructHeadOmitEmptyBytes OpType = 82
OpStructPtrHeadBytes OpType = 83
OpStructPtrHeadOmitEmptyBytes OpType = 84
OpStructHeadNumber OpType = 85
OpStructHeadOmitEmptyNumber OpType = 86
OpStructPtrHeadNumber OpType = 87
OpStructPtrHeadOmitEmptyNumber OpType = 88
OpStructHeadArray OpType = 89
OpStructHeadOmitEmptyArray OpType = 90
OpStructPtrHeadArray OpType = 91
OpStructPtrHeadOmitEmptyArray OpType = 92
OpStructHeadMap OpType = 93
OpStructHeadOmitEmptyMap OpType = 94
OpStructPtrHeadMap OpType = 95
OpStructPtrHeadOmitEmptyMap OpType = 96
OpStructHeadSlice OpType = 97
OpStructHeadOmitEmptySlice OpType = 98
OpStructPtrHeadSlice OpType = 99
OpStructPtrHeadOmitEmptySlice OpType = 100
OpStructHeadStruct OpType = 101
OpStructHeadOmitEmptyStruct OpType = 102
OpStructPtrHeadStruct OpType = 103
OpStructPtrHeadOmitEmptyStruct OpType = 104
OpStructHeadMarshalJSON OpType = 105
OpStructHeadOmitEmptyMarshalJSON OpType = 106
OpStructPtrHeadMarshalJSON OpType = 107
OpStructPtrHeadOmitEmptyMarshalJSON OpType = 108
OpStructHeadMarshalText OpType = 109
OpStructHeadOmitEmptyMarshalText OpType = 110
OpStructPtrHeadMarshalText OpType = 111
OpStructPtrHeadOmitEmptyMarshalText OpType = 112
OpStructHeadIntString OpType = 113
OpStructHeadOmitEmptyIntString OpType = 114
OpStructPtrHeadIntString OpType = 115
OpStructPtrHeadOmitEmptyIntString OpType = 116
OpStructHeadUintString OpType = 117
OpStructHeadOmitEmptyUintString OpType = 118
OpStructPtrHeadUintString OpType = 119
OpStructPtrHeadOmitEmptyUintString OpType = 120
OpStructHeadFloat32String OpType = 121
OpStructHeadOmitEmptyFloat32String OpType = 122
OpStructPtrHeadFloat32String OpType = 123
OpStructPtrHeadOmitEmptyFloat32String OpType = 124
OpStructHeadFloat64String OpType = 125
OpStructHeadOmitEmptyFloat64String OpType = 126
OpStructPtrHeadFloat64String OpType = 127
OpStructPtrHeadOmitEmptyFloat64String OpType = 128
OpStructHeadBoolString OpType = 129
OpStructHeadOmitEmptyBoolString OpType = 130
OpStructPtrHeadBoolString OpType = 131
OpStructPtrHeadOmitEmptyBoolString OpType = 132
OpStructHeadStringString OpType = 133
OpStructHeadOmitEmptyStringString OpType = 134
OpStructPtrHeadStringString OpType = 135
OpStructPtrHeadOmitEmptyStringString OpType = 136
OpStructHeadNumberString OpType = 137
OpStructHeadOmitEmptyNumberString OpType = 138
OpStructPtrHeadNumberString OpType = 139
OpStructPtrHeadOmitEmptyNumberString OpType = 140
OpStructHeadIntPtr OpType = 141
OpStructHeadOmitEmptyIntPtr OpType = 142
OpStructPtrHeadIntPtr OpType = 143
OpStructPtrHeadOmitEmptyIntPtr OpType = 144
OpStructHeadUintPtr OpType = 145
OpStructHeadOmitEmptyUintPtr OpType = 146
OpStructPtrHeadUintPtr OpType = 147
OpStructPtrHeadOmitEmptyUintPtr OpType = 148
OpStructHeadFloat32Ptr OpType = 149
OpStructHeadOmitEmptyFloat32Ptr OpType = 150
OpStructPtrHeadFloat32Ptr OpType = 151
OpStructPtrHeadOmitEmptyFloat32Ptr OpType = 152
OpStructHeadFloat64Ptr OpType = 153
OpStructHeadOmitEmptyFloat64Ptr OpType = 154
OpStructPtrHeadFloat64Ptr OpType = 155
OpStructPtrHeadOmitEmptyFloat64Ptr OpType = 156
OpStructHeadBoolPtr OpType = 157
OpStructHeadOmitEmptyBoolPtr OpType = 158
OpStructPtrHeadBoolPtr OpType = 159
OpStructPtrHeadOmitEmptyBoolPtr OpType = 160
OpStructHeadStringPtr OpType = 161
OpStructHeadOmitEmptyStringPtr OpType = 162
OpStructPtrHeadStringPtr OpType = 163
OpStructPtrHeadOmitEmptyStringPtr OpType = 164
OpStructHeadBytesPtr OpType = 165
OpStructHeadOmitEmptyBytesPtr OpType = 166
OpStructPtrHeadBytesPtr OpType = 167
OpStructPtrHeadOmitEmptyBytesPtr OpType = 168
OpStructHeadNumberPtr OpType = 169
OpStructHeadOmitEmptyNumberPtr OpType = 170
OpStructPtrHeadNumberPtr OpType = 171
OpStructPtrHeadOmitEmptyNumberPtr OpType = 172
OpStructHeadArrayPtr OpType = 173
OpStructHeadOmitEmptyArrayPtr OpType = 174
OpStructPtrHeadArrayPtr OpType = 175
OpStructPtrHeadOmitEmptyArrayPtr OpType = 176
OpStructHeadMapPtr OpType = 177
OpStructHeadOmitEmptyMapPtr OpType = 178
OpStructPtrHeadMapPtr OpType = 179
OpStructPtrHeadOmitEmptyMapPtr OpType = 180
OpStructHeadSlicePtr OpType = 181
OpStructHeadOmitEmptySlicePtr OpType = 182
OpStructPtrHeadSlicePtr OpType = 183
OpStructPtrHeadOmitEmptySlicePtr OpType = 184
OpStructHeadMarshalJSONPtr OpType = 185
OpStructHeadOmitEmptyMarshalJSONPtr OpType = 186
OpStructPtrHeadMarshalJSONPtr OpType = 187
OpStructPtrHeadOmitEmptyMarshalJSONPtr OpType = 188
OpStructHeadMarshalTextPtr OpType = 189
OpStructHeadOmitEmptyMarshalTextPtr OpType = 190
OpStructPtrHeadMarshalTextPtr OpType = 191
OpStructPtrHeadOmitEmptyMarshalTextPtr OpType = 192
OpStructHeadInterfacePtr OpType = 193
OpStructHeadOmitEmptyInterfacePtr OpType = 194
OpStructPtrHeadInterfacePtr OpType = 195
OpStructPtrHeadOmitEmptyInterfacePtr OpType = 196
OpStructHeadIntPtrString OpType = 197
OpStructHeadOmitEmptyIntPtrString OpType = 198
OpStructPtrHeadIntPtrString OpType = 199
OpStructPtrHeadOmitEmptyIntPtrString OpType = 200
OpStructHeadUintPtrString OpType = 201
OpStructHeadOmitEmptyUintPtrString OpType = 202
OpStructPtrHeadUintPtrString OpType = 203
OpStructPtrHeadOmitEmptyUintPtrString OpType = 204
OpStructHeadFloat32PtrString OpType = 205
OpStructHeadOmitEmptyFloat32PtrString OpType = 206
OpStructPtrHeadFloat32PtrString OpType = 207
OpStructPtrHeadOmitEmptyFloat32PtrString OpType = 208
OpStructHeadFloat64PtrString OpType = 209
OpStructHeadOmitEmptyFloat64PtrString OpType = 210
OpStructPtrHeadFloat64PtrString OpType = 211
OpStructPtrHeadOmitEmptyFloat64PtrString OpType = 212
OpStructHeadBoolPtrString OpType = 213
OpStructHeadOmitEmptyBoolPtrString OpType = 214
OpStructPtrHeadBoolPtrString OpType = 215
OpStructPtrHeadOmitEmptyBoolPtrString OpType = 216
OpStructHeadStringPtrString OpType = 217
OpStructHeadOmitEmptyStringPtrString OpType = 218
OpStructPtrHeadStringPtrString OpType = 219
OpStructPtrHeadOmitEmptyStringPtrString OpType = 220
OpStructHeadNumberPtrString OpType = 221
OpStructHeadOmitEmptyNumberPtrString OpType = 222
OpStructPtrHeadNumberPtrString OpType = 223
OpStructPtrHeadOmitEmptyNumberPtrString OpType = 224
OpStructHead OpType = 225
OpStructHeadOmitEmpty OpType = 226
OpStructPtrHead OpType = 227
OpStructPtrHeadOmitEmpty OpType = 228
OpStructFieldInt OpType = 229
OpStructFieldOmitEmptyInt OpType = 230
OpStructEndInt OpType = 231
OpStructEndOmitEmptyInt OpType = 232
OpStructFieldUint OpType = 233
OpStructFieldOmitEmptyUint OpType = 234
OpStructEndUint OpType = 235
OpStructEndOmitEmptyUint OpType = 236
OpStructFieldFloat32 OpType = 237
OpStructFieldOmitEmptyFloat32 OpType = 238
OpStructEndFloat32 OpType = 239
OpStructEndOmitEmptyFloat32 OpType = 240
OpStructFieldFloat64 OpType = 241
OpStructFieldOmitEmptyFloat64 OpType = 242
OpStructEndFloat64 OpType = 243
OpStructEndOmitEmptyFloat64 OpType = 244
OpStructFieldBool OpType = 245
OpStructFieldOmitEmptyBool OpType = 246
OpStructEndBool OpType = 247
OpStructEndOmitEmptyBool OpType = 248
OpStructFieldString OpType = 249
OpStructFieldOmitEmptyString OpType = 250
OpStructEndString OpType = 251
OpStructEndOmitEmptyString OpType = 252
OpStructFieldBytes OpType = 253
OpStructFieldOmitEmptyBytes OpType = 254
OpStructEndBytes OpType = 255
OpStructEndOmitEmptyBytes OpType = 256
OpStructFieldNumber OpType = 257
OpStructFieldOmitEmptyNumber OpType = 258
OpStructEndNumber OpType = 259
OpStructEndOmitEmptyNumber OpType = 260
OpStructFieldArray OpType = 261
OpStructFieldOmitEmptyArray OpType = 262
OpStructEndArray OpType = 263
OpStructEndOmitEmptyArray OpType = 264
OpStructFieldMap OpType = 265
OpStructFieldOmitEmptyMap OpType = 266
OpStructEndMap OpType = 267
OpStructEndOmitEmptyMap OpType = 268
OpStructFieldSlice OpType = 269
OpStructFieldOmitEmptySlice OpType = 270
OpStructEndSlice OpType = 271
OpStructEndOmitEmptySlice OpType = 272
OpStructFieldStruct OpType = 273
OpStructFieldOmitEmptyStruct OpType = 274
OpStructEndStruct OpType = 275
OpStructEndOmitEmptyStruct OpType = 276
OpStructFieldMarshalJSON OpType = 277
OpStructFieldOmitEmptyMarshalJSON OpType = 278
OpStructEndMarshalJSON OpType = 279
OpStructEndOmitEmptyMarshalJSON OpType = 280
OpStructFieldMarshalText OpType = 281
OpStructFieldOmitEmptyMarshalText OpType = 282
OpStructEndMarshalText OpType = 283
OpStructEndOmitEmptyMarshalText OpType = 284
OpStructFieldIntString OpType = 285
OpStructFieldOmitEmptyIntString OpType = 286
OpStructEndIntString OpType = 287
OpStructEndOmitEmptyIntString OpType = 288
OpStructFieldUintString OpType = 289
OpStructFieldOmitEmptyUintString OpType = 290
OpStructEndUintString OpType = 291
OpStructEndOmitEmptyUintString OpType = 292
OpStructFieldFloat32String OpType = 293
OpStructFieldOmitEmptyFloat32String OpType = 294
OpStructEndFloat32String OpType = 295
OpStructEndOmitEmptyFloat32String OpType = 296
OpStructFieldFloat64String OpType = 297
OpStructFieldOmitEmptyFloat64String OpType = 298
OpStructEndFloat64String OpType = 299
OpStructEndOmitEmptyFloat64String OpType = 300
OpStructFieldBoolString OpType = 301
OpStructFieldOmitEmptyBoolString OpType = 302
OpStructEndBoolString OpType = 303
OpStructEndOmitEmptyBoolString OpType = 304
OpStructFieldStringString OpType = 305
OpStructFieldOmitEmptyStringString OpType = 306
OpStructEndStringString OpType = 307
OpStructEndOmitEmptyStringString OpType = 308
OpStructFieldNumberString OpType = 309
OpStructFieldOmitEmptyNumberString OpType = 310
OpStructEndNumberString OpType = 311
OpStructEndOmitEmptyNumberString OpType = 312
OpStructFieldIntPtr OpType = 313
OpStructFieldOmitEmptyIntPtr OpType = 314
OpStructEndIntPtr OpType = 315
OpStructEndOmitEmptyIntPtr OpType = 316
OpStructFieldUintPtr OpType = 317
OpStructFieldOmitEmptyUintPtr OpType = 318
OpStructEndUintPtr OpType = 319
OpStructEndOmitEmptyUintPtr OpType = 320
OpStructFieldFloat32Ptr OpType = 321
OpStructFieldOmitEmptyFloat32Ptr OpType = 322
OpStructEndFloat32Ptr OpType = 323
OpStructEndOmitEmptyFloat32Ptr OpType = 324
OpStructFieldFloat64Ptr OpType = 325
OpStructFieldOmitEmptyFloat64Ptr OpType = 326
OpStructEndFloat64Ptr OpType = 327
OpStructEndOmitEmptyFloat64Ptr OpType = 328
OpStructFieldBoolPtr OpType = 329
OpStructFieldOmitEmptyBoolPtr OpType = 330
OpStructEndBoolPtr OpType = 331
OpStructEndOmitEmptyBoolPtr OpType = 332
OpStructFieldStringPtr OpType = 333
OpStructFieldOmitEmptyStringPtr OpType = 334
OpStructEndStringPtr OpType = 335
OpStructEndOmitEmptyStringPtr OpType = 336
OpStructFieldBytesPtr OpType = 337
OpStructFieldOmitEmptyBytesPtr OpType = 338
OpStructEndBytesPtr OpType = 339
OpStructEndOmitEmptyBytesPtr OpType = 340
OpStructFieldNumberPtr OpType = 341
OpStructFieldOmitEmptyNumberPtr OpType = 342
OpStructEndNumberPtr OpType = 343
OpStructEndOmitEmptyNumberPtr OpType = 344
OpStructFieldArrayPtr OpType = 345
OpStructFieldOmitEmptyArrayPtr OpType = 346
OpStructEndArrayPtr OpType = 347
OpStructEndOmitEmptyArrayPtr OpType = 348
OpStructFieldMapPtr OpType = 349
OpStructFieldOmitEmptyMapPtr OpType = 350
OpStructEndMapPtr OpType = 351
OpStructEndOmitEmptyMapPtr OpType = 352
OpStructFieldSlicePtr OpType = 353
OpStructFieldOmitEmptySlicePtr OpType = 354
OpStructEndSlicePtr OpType = 355
OpStructEndOmitEmptySlicePtr OpType = 356
OpStructFieldMarshalJSONPtr OpType = 357
OpStructFieldOmitEmptyMarshalJSONPtr OpType = 358
OpStructEndMarshalJSONPtr OpType = 359
OpStructEndOmitEmptyMarshalJSONPtr OpType = 360
OpStructFieldMarshalTextPtr OpType = 361
OpStructFieldOmitEmptyMarshalTextPtr OpType = 362
OpStructEndMarshalTextPtr OpType = 363
OpStructEndOmitEmptyMarshalTextPtr OpType = 364
OpStructFieldInterfacePtr OpType = 365
OpStructFieldOmitEmptyInterfacePtr OpType = 366
OpStructEndInterfacePtr OpType = 367
OpStructEndOmitEmptyInterfacePtr OpType = 368
OpStructFieldIntPtrString OpType = 369
OpStructFieldOmitEmptyIntPtrString OpType = 370
OpStructEndIntPtrString OpType = 371
OpStructEndOmitEmptyIntPtrString OpType = 372
OpStructFieldUintPtrString OpType = 373
OpStructFieldOmitEmptyUintPtrString OpType = 374
OpStructEndUintPtrString OpType = 375
OpStructEndOmitEmptyUintPtrString OpType = 376
OpStructFieldFloat32PtrString OpType = 377
OpStructFieldOmitEmptyFloat32PtrString OpType = 378
OpStructEndFloat32PtrString OpType = 379
OpStructEndOmitEmptyFloat32PtrString OpType = 380
OpStructFieldFloat64PtrString OpType = 381
OpStructFieldOmitEmptyFloat64PtrString OpType = 382
OpStructEndFloat64PtrString OpType = 383
OpStructEndOmitEmptyFloat64PtrString OpType = 384
OpStructFieldBoolPtrString OpType = 385
OpStructFieldOmitEmptyBoolPtrString OpType = 386
OpStructEndBoolPtrString OpType = 387
OpStructEndOmitEmptyBoolPtrString OpType = 388
OpStructFieldStringPtrString OpType = 389
OpStructFieldOmitEmptyStringPtrString OpType = 390
OpStructEndStringPtrString OpType = 391
OpStructEndOmitEmptyStringPtrString OpType = 392
OpStructFieldNumberPtrString OpType = 393
OpStructFieldOmitEmptyNumberPtrString OpType = 394
OpStructEndNumberPtrString OpType = 395
OpStructEndOmitEmptyNumberPtrString OpType = 396
OpStructField OpType = 397
OpStructFieldOmitEmpty OpType = 398
OpStructEnd OpType = 399
OpStructEndOmitEmpty OpType = 400
)
func (t OpType) String() string {
if int(t) >= 401 {
return ""
}
return opTypeStrings[int(t)]
}
func (t OpType) CodeType() CodeType {
if strings.Contains(t.String(), "Struct") {
if strings.Contains(t.String(), "End") {
return CodeStructEnd
}
return CodeStructField
}
switch t {
case OpArray, OpArrayPtr:
return CodeArrayHead
case OpArrayElem:
return CodeArrayElem
case OpSlice, OpSlicePtr:
return CodeSliceHead
case OpSliceElem:
return CodeSliceElem
case OpMap, OpMapPtr:
return CodeMapHead
case OpMapKey:
return CodeMapKey
case OpMapValue:
return CodeMapValue
case OpMapEnd:
return CodeMapEnd
}
return CodeOp
}
func (t OpType) HeadToPtrHead() OpType {
if strings.Index(t.String(), "PtrHead") > 0 {
return t
}
idx := strings.Index(t.String(), "Head")
if idx == -1 {
return t
}
suffix := "PtrHead" + t.String()[idx+len("Head"):]
const toPtrOffset = 2
if strings.Contains(OpType(int(t)+toPtrOffset).String(), suffix) {
return OpType(int(t) + toPtrOffset)
}
return t
}
func (t OpType) HeadToOmitEmptyHead() OpType {
const toOmitEmptyOffset = 1
if strings.Contains(OpType(int(t)+toOmitEmptyOffset).String(), "OmitEmpty") {
return OpType(int(t) + toOmitEmptyOffset)
}
return t
}
func (t OpType) PtrHeadToHead() OpType {
idx := strings.Index(t.String(), "Ptr")
if idx == -1 {
return t
}
suffix := t.String()[idx+len("Ptr"):]
const toPtrOffset = 2
if strings.Contains(OpType(int(t)-toPtrOffset).String(), suffix) {
return OpType(int(t) - toPtrOffset)
}
return t
}
func (t OpType) FieldToEnd() OpType {
idx := strings.Index(t.String(), "Field")
if idx == -1 {
return t
}
suffix := t.String()[idx+len("Field"):]
if suffix == "" || suffix == "OmitEmpty" {
return t
}
const toEndOffset = 2
if strings.Contains(OpType(int(t)+toEndOffset).String(), "End"+suffix) {
return OpType(int(t) + toEndOffset)
}
return t
}
func (t OpType) FieldToOmitEmptyField() OpType {
const toOmitEmptyOffset = 1
if strings.Contains(OpType(int(t)+toOmitEmptyOffset).String(), "OmitEmpty") {
return OpType(int(t) + toOmitEmptyOffset)
}
return t
}

640
vendor/github.com/goccy/go-json/internal/encoder/string.go generated vendored Normal file
View File

@ -0,0 +1,640 @@
package encoder
import (
"math/bits"
"reflect"
"unicode/utf8"
"unsafe"
)
const (
lsb = 0x0101010101010101
msb = 0x8080808080808080
)
var needEscapeWithHTML = [256]bool{
'"': true,
'&': true,
'<': true,
'>': true,
'\\': true,
0x00: true,
0x01: true,
0x02: true,
0x03: true,
0x04: true,
0x05: true,
0x06: true,
0x07: true,
0x08: true,
0x09: true,
0x0a: true,
0x0b: true,
0x0c: true,
0x0d: true,
0x0e: true,
0x0f: true,
0x10: true,
0x11: true,
0x12: true,
0x13: true,
0x14: true,
0x15: true,
0x16: true,
0x17: true,
0x18: true,
0x19: true,
0x1a: true,
0x1b: true,
0x1c: true,
0x1d: true,
0x1e: true,
0x1f: true,
/* 0x20 - 0x7f */
0x80: true,
0x81: true,
0x82: true,
0x83: true,
0x84: true,
0x85: true,
0x86: true,
0x87: true,
0x88: true,
0x89: true,
0x8a: true,
0x8b: true,
0x8c: true,
0x8d: true,
0x8e: true,
0x8f: true,
0x90: true,
0x91: true,
0x92: true,
0x93: true,
0x94: true,
0x95: true,
0x96: true,
0x97: true,
0x98: true,
0x99: true,
0x9a: true,
0x9b: true,
0x9c: true,
0x9d: true,
0x9e: true,
0x9f: true,
0xa0: true,
0xa1: true,
0xa2: true,
0xa3: true,
0xa4: true,
0xa5: true,
0xa6: true,
0xa7: true,
0xa8: true,
0xa9: true,
0xaa: true,
0xab: true,
0xac: true,
0xad: true,
0xae: true,
0xaf: true,
0xb0: true,
0xb1: true,
0xb2: true,
0xb3: true,
0xb4: true,
0xb5: true,
0xb6: true,
0xb7: true,
0xb8: true,
0xb9: true,
0xba: true,
0xbb: true,
0xbc: true,
0xbd: true,
0xbe: true,
0xbf: true,
0xc0: true,
0xc1: true,
0xc2: true,
0xc3: true,
0xc4: true,
0xc5: true,
0xc6: true,
0xc7: true,
0xc8: true,
0xc9: true,
0xca: true,
0xcb: true,
0xcc: true,
0xcd: true,
0xce: true,
0xcf: true,
0xd0: true,
0xd1: true,
0xd2: true,
0xd3: true,
0xd4: true,
0xd5: true,
0xd6: true,
0xd7: true,
0xd8: true,
0xd9: true,
0xda: true,
0xdb: true,
0xdc: true,
0xdd: true,
0xde: true,
0xdf: true,
0xe0: true,
0xe1: true,
0xe2: true,
0xe3: true,
0xe4: true,
0xe5: true,
0xe6: true,
0xe7: true,
0xe8: true,
0xe9: true,
0xea: true,
0xeb: true,
0xec: true,
0xed: true,
0xee: true,
0xef: true,
0xf0: true,
0xf1: true,
0xf2: true,
0xf3: true,
0xf4: true,
0xf5: true,
0xf6: true,
0xf7: true,
0xf8: true,
0xf9: true,
0xfa: true,
0xfb: true,
0xfc: true,
0xfd: true,
0xfe: true,
0xff: true,
}
var needEscape = [256]bool{
'"': true,
'\\': true,
0x00: true,
0x01: true,
0x02: true,
0x03: true,
0x04: true,
0x05: true,
0x06: true,
0x07: true,
0x08: true,
0x09: true,
0x0a: true,
0x0b: true,
0x0c: true,
0x0d: true,
0x0e: true,
0x0f: true,
0x10: true,
0x11: true,
0x12: true,
0x13: true,
0x14: true,
0x15: true,
0x16: true,
0x17: true,
0x18: true,
0x19: true,
0x1a: true,
0x1b: true,
0x1c: true,
0x1d: true,
0x1e: true,
0x1f: true,
/* 0x20 - 0x7f */
0x80: true,
0x81: true,
0x82: true,
0x83: true,
0x84: true,
0x85: true,
0x86: true,
0x87: true,
0x88: true,
0x89: true,
0x8a: true,
0x8b: true,
0x8c: true,
0x8d: true,
0x8e: true,
0x8f: true,
0x90: true,
0x91: true,
0x92: true,
0x93: true,
0x94: true,
0x95: true,
0x96: true,
0x97: true,
0x98: true,
0x99: true,
0x9a: true,
0x9b: true,
0x9c: true,
0x9d: true,
0x9e: true,
0x9f: true,
0xa0: true,
0xa1: true,
0xa2: true,
0xa3: true,
0xa4: true,
0xa5: true,
0xa6: true,
0xa7: true,
0xa8: true,
0xa9: true,
0xaa: true,
0xab: true,
0xac: true,
0xad: true,
0xae: true,
0xaf: true,
0xb0: true,
0xb1: true,
0xb2: true,
0xb3: true,
0xb4: true,
0xb5: true,
0xb6: true,
0xb7: true,
0xb8: true,
0xb9: true,
0xba: true,
0xbb: true,
0xbc: true,
0xbd: true,
0xbe: true,
0xbf: true,
0xc0: true,
0xc1: true,
0xc2: true,
0xc3: true,
0xc4: true,
0xc5: true,
0xc6: true,
0xc7: true,
0xc8: true,
0xc9: true,
0xca: true,
0xcb: true,
0xcc: true,
0xcd: true,
0xce: true,
0xcf: true,
0xd0: true,
0xd1: true,
0xd2: true,
0xd3: true,
0xd4: true,
0xd5: true,
0xd6: true,
0xd7: true,
0xd8: true,
0xd9: true,
0xda: true,
0xdb: true,
0xdc: true,
0xdd: true,
0xde: true,
0xdf: true,
0xe0: true,
0xe1: true,
0xe2: true,
0xe3: true,
0xe4: true,
0xe5: true,
0xe6: true,
0xe7: true,
0xe8: true,
0xe9: true,
0xea: true,
0xeb: true,
0xec: true,
0xed: true,
0xee: true,
0xef: true,
0xf0: true,
0xf1: true,
0xf2: true,
0xf3: true,
0xf4: true,
0xf5: true,
0xf6: true,
0xf7: true,
0xf8: true,
0xf9: true,
0xfa: true,
0xfb: true,
0xfc: true,
0xfd: true,
0xfe: true,
0xff: true,
}
var hex = "0123456789abcdef"
// escapeIndex finds the index of the first char in `s` that requires escaping.
// A char requires escaping if it's outside of the range of [0x20, 0x7F] or if
// it includes a double quote or backslash.
// If no chars in `s` require escaping, the return value is -1.
func escapeIndex(s string) int {
chunks := stringToUint64Slice(s)
for _, n := range chunks {
// combine masks before checking for the MSB of each byte. We include
// `n` in the mask to check whether any of the *input* byte MSBs were
// set (i.e. the byte was outside the ASCII range).
mask := n | below(n, 0x20) | contains(n, '"') | contains(n, '\\')
if (mask & msb) != 0 {
return bits.TrailingZeros64(mask&msb) / 8
}
}
valLen := len(s)
for i := len(chunks) * 8; i < valLen; i++ {
if needEscape[s[i]] {
return i
}
}
return -1
}
// below return a mask that can be used to determine if any of the bytes
// in `n` are below `b`. If a byte's MSB is set in the mask then that byte was
// below `b`. The result is only valid if `b`, and each byte in `n`, is below
// 0x80.
func below(n uint64, b byte) uint64 {
return n - expand(b)
}
// contains returns a mask that can be used to determine if any of the
// bytes in `n` are equal to `b`. If a byte's MSB is set in the mask then
// that byte is equal to `b`. The result is only valid if `b`, and each
// byte in `n`, is below 0x80.
func contains(n uint64, b byte) uint64 {
return (n ^ expand(b)) - lsb
}
// expand puts the specified byte into each of the 8 bytes of a uint64.
func expand(b byte) uint64 {
return lsb * uint64(b)
}
//nolint:govet
func stringToUint64Slice(s string) []uint64 {
return *(*[]uint64)(unsafe.Pointer(&reflect.SliceHeader{
Data: ((*reflect.StringHeader)(unsafe.Pointer(&s))).Data,
Len: len(s) / 8,
Cap: len(s) / 8,
}))
}
func AppendString(ctx *RuntimeContext, buf []byte, s string) []byte {
if ctx.Option.Flag&HTMLEscapeOption == 0 {
return appendString(buf, s)
}
valLen := len(s)
if valLen == 0 {
return append(buf, `""`...)
}
buf = append(buf, '"')
var (
i, j int
)
if valLen >= 8 {
chunks := stringToUint64Slice(s)
for _, n := range chunks {
// combine masks before checking for the MSB of each byte. We include
// `n` in the mask to check whether any of the *input* byte MSBs were
// set (i.e. the byte was outside the ASCII range).
mask := n | (n - (lsb * 0x20)) |
((n ^ (lsb * '"')) - lsb) |
((n ^ (lsb * '\\')) - lsb) |
((n ^ (lsb * '<')) - lsb) |
((n ^ (lsb * '>')) - lsb) |
((n ^ (lsb * '&')) - lsb)
if (mask & msb) != 0 {
j = bits.TrailingZeros64(mask&msb) / 8
goto ESCAPE_END
}
}
for i := len(chunks) * 8; i < valLen; i++ {
if needEscapeWithHTML[s[i]] {
j = i
goto ESCAPE_END
}
}
// no found any escape characters.
return append(append(buf, s...), '"')
}
ESCAPE_END:
for j < valLen {
c := s[j]
if !needEscapeWithHTML[c] {
// fast path: most of the time, printable ascii characters are used
j++
continue
}
switch c {
case '\\', '"':
buf = append(buf, s[i:j]...)
buf = append(buf, '\\', c)
i = j + 1
j = j + 1
continue
case '\n':
buf = append(buf, s[i:j]...)
buf = append(buf, '\\', 'n')
i = j + 1
j = j + 1
continue
case '\r':
buf = append(buf, s[i:j]...)
buf = append(buf, '\\', 'r')
i = j + 1
j = j + 1
continue
case '\t':
buf = append(buf, s[i:j]...)
buf = append(buf, '\\', 't')
i = j + 1
j = j + 1
continue
case '<', '>', '&':
buf = append(buf, s[i:j]...)
buf = append(buf, `\u00`...)
buf = append(buf, hex[c>>4], hex[c&0xF])
i = j + 1
j = j + 1
continue
}
// This encodes bytes < 0x20 except for \t, \n and \r.
if c < 0x20 {
buf = append(buf, s[i:j]...)
buf = append(buf, `\u00`...)
buf = append(buf, hex[c>>4], hex[c&0xF])
i = j + 1
j = j + 1
continue
}
r, size := utf8.DecodeRuneInString(s[j:])
if r == utf8.RuneError && size == 1 {
buf = append(buf, s[i:j]...)
buf = append(buf, `\ufffd`...)
i = j + size
j = j + size
continue
}
switch r {
case '\u2028', '\u2029':
// U+2028 is LINE SEPARATOR.
// U+2029 is PARAGRAPH SEPARATOR.
// They are both technically valid characters in JSON strings,
// but don't work in JSONP, which has to be evaluated as JavaScript,
// and can lead to security holes there. It is valid JSON to
// escape them, so we do so unconditionally.
// See http://timelessrepo.com/json-isnt-a-javascript-subset for discussion.
buf = append(buf, s[i:j]...)
buf = append(buf, `\u202`...)
buf = append(buf, hex[r&0xF])
i = j + size
j = j + size
continue
}
j += size
}
return append(append(buf, s[i:]...), '"')
}
func appendString(buf []byte, s string) []byte {
valLen := len(s)
if valLen == 0 {
return append(buf, `""`...)
}
buf = append(buf, '"')
var escapeIdx int
if valLen >= 8 {
if escapeIdx = escapeIndex(s); escapeIdx < 0 {
return append(append(buf, s...), '"')
}
}
i := 0
j := escapeIdx
for j < valLen {
c := s[j]
if c >= 0x20 && c <= 0x7f && c != '\\' && c != '"' {
// fast path: most of the time, printable ascii characters are used
j++
continue
}
switch c {
case '\\', '"':
buf = append(buf, s[i:j]...)
buf = append(buf, '\\', c)
i = j + 1
j = j + 1
continue
case '\n':
buf = append(buf, s[i:j]...)
buf = append(buf, '\\', 'n')
i = j + 1
j = j + 1
continue
case '\r':
buf = append(buf, s[i:j]...)
buf = append(buf, '\\', 'r')
i = j + 1
j = j + 1
continue
case '\t':
buf = append(buf, s[i:j]...)
buf = append(buf, '\\', 't')
i = j + 1
j = j + 1
continue
case '<', '>', '&':
buf = append(buf, s[i:j]...)
buf = append(buf, `\u00`...)
buf = append(buf, hex[c>>4], hex[c&0xF])
i = j + 1
j = j + 1
continue
}
// This encodes bytes < 0x20 except for \t, \n and \r.
if c < 0x20 {
buf = append(buf, s[i:j]...)
buf = append(buf, `\u00`...)
buf = append(buf, hex[c>>4], hex[c&0xF])
i = j + 1
j = j + 1
continue
}
r, size := utf8.DecodeRuneInString(s[j:])
if r == utf8.RuneError && size == 1 {
buf = append(buf, s[i:j]...)
buf = append(buf, `\ufffd`...)
i = j + size
j = j + size
continue
}
switch r {
case '\u2028', '\u2029':
// U+2028 is LINE SEPARATOR.
// U+2029 is PARAGRAPH SEPARATOR.
// They are both technically valid characters in JSON strings,
// but don't work in JSONP, which has to be evaluated as JavaScript,
// and can lead to security holes there. It is valid JSON to
// escape them, so we do so unconditionally.
// See http://timelessrepo.com/json-isnt-a-javascript-subset for discussion.
buf = append(buf, s[i:j]...)
buf = append(buf, `\u202`...)
buf = append(buf, hex[r&0xF])
i = j + size
j = j + size
continue
}
j += size
}
return append(append(buf, s[i:]...), '"')
}

34
vendor/github.com/goccy/go-json/internal/encoder/vm/debug_vm.go generated vendored Normal file
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@ -0,0 +1,34 @@
package vm
import (
"fmt"
"github.com/goccy/go-json/internal/encoder"
)
func DebugRun(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]byte, error) {
defer func() {
var code *encoder.Opcode
if (ctx.Option.Flag & encoder.HTMLEscapeOption) != 0 {
code = codeSet.EscapeKeyCode
} else {
code = codeSet.NoescapeKeyCode
}
if err := recover(); err != nil {
fmt.Println("=============[DEBUG]===============")
fmt.Println("* [TYPE]")
fmt.Println(codeSet.Type)
fmt.Printf("\n")
fmt.Println("* [ALL OPCODE]")
fmt.Println(code.Dump())
fmt.Printf("\n")
fmt.Println("* [CONTEXT]")
fmt.Printf("%+v\n", ctx)
fmt.Println("===================================")
panic(err)
}
}()
return Run(ctx, b, codeSet)
}

9
vendor/github.com/goccy/go-json/internal/encoder/vm/hack.go generated vendored Normal file
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@ -0,0 +1,9 @@
package vm
import (
// HACK: compile order
// `vm`, `vm_indent`, `vm_color`, `vm_color_indent` packages uses a lot of memory to compile,
// so forcibly make dependencies and avoid compiling in concurrent.
// dependency order: vm => vm_indent => vm_color => vm_color_indent
_ "github.com/goccy/go-json/internal/encoder/vm_indent"
)

203
vendor/github.com/goccy/go-json/internal/encoder/vm/util.go generated vendored Normal file
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@ -0,0 +1,203 @@
package vm
import (
"encoding/json"
"fmt"
"unsafe"
"github.com/goccy/go-json/internal/encoder"
"github.com/goccy/go-json/internal/runtime"
)
const uintptrSize = 4 << (^uintptr(0) >> 63)
var (
appendInt = encoder.AppendInt
appendUint = encoder.AppendUint
appendFloat32 = encoder.AppendFloat32
appendFloat64 = encoder.AppendFloat64
appendString = encoder.AppendString
appendByteSlice = encoder.AppendByteSlice
appendNumber = encoder.AppendNumber
errUnsupportedValue = encoder.ErrUnsupportedValue
errUnsupportedFloat = encoder.ErrUnsupportedFloat
mapiterinit = encoder.MapIterInit
mapiterkey = encoder.MapIterKey
mapitervalue = encoder.MapIterValue
mapiternext = encoder.MapIterNext
maplen = encoder.MapLen
)
type emptyInterface struct {
typ *runtime.Type
ptr unsafe.Pointer
}
type nonEmptyInterface struct {
itab *struct {
ityp *runtime.Type // static interface type
typ *runtime.Type // dynamic concrete type
// unused fields...
}
ptr unsafe.Pointer
}
func errUnimplementedOp(op encoder.OpType) error {
return fmt.Errorf("encoder: opcode %s has not been implemented", op)
}
func load(base uintptr, idx uint32) uintptr {
addr := base + uintptr(idx)
return **(**uintptr)(unsafe.Pointer(&addr))
}
func store(base uintptr, idx uint32, p uintptr) {
addr := base + uintptr(idx)
**(**uintptr)(unsafe.Pointer(&addr)) = p
}
func loadNPtr(base uintptr, idx uint32, ptrNum uint8) uintptr {
addr := base + uintptr(idx)
p := **(**uintptr)(unsafe.Pointer(&addr))
for i := uint8(0); i < ptrNum; i++ {
if p == 0 {
return 0
}
p = ptrToPtr(p)
}
return p
}
func ptrToUint64(p uintptr, bitSize uint8) uint64 {
switch bitSize {
case 8:
return (uint64)(**(**uint8)(unsafe.Pointer(&p)))
case 16:
return (uint64)(**(**uint16)(unsafe.Pointer(&p)))
case 32:
return (uint64)(**(**uint32)(unsafe.Pointer(&p)))
case 64:
return **(**uint64)(unsafe.Pointer(&p))
}
return 0
}
func ptrToFloat32(p uintptr) float32 { return **(**float32)(unsafe.Pointer(&p)) }
func ptrToFloat64(p uintptr) float64 { return **(**float64)(unsafe.Pointer(&p)) }
func ptrToBool(p uintptr) bool { return **(**bool)(unsafe.Pointer(&p)) }
func ptrToBytes(p uintptr) []byte { return **(**[]byte)(unsafe.Pointer(&p)) }
func ptrToNumber(p uintptr) json.Number { return **(**json.Number)(unsafe.Pointer(&p)) }
func ptrToString(p uintptr) string { return **(**string)(unsafe.Pointer(&p)) }
func ptrToSlice(p uintptr) *runtime.SliceHeader { return *(**runtime.SliceHeader)(unsafe.Pointer(&p)) }
func ptrToPtr(p uintptr) uintptr {
return uintptr(**(**unsafe.Pointer)(unsafe.Pointer(&p)))
}
func ptrToNPtr(p uintptr, ptrNum uint8) uintptr {
for i := uint8(0); i < ptrNum; i++ {
if p == 0 {
return 0
}
p = ptrToPtr(p)
}
return p
}
func ptrToUnsafePtr(p uintptr) unsafe.Pointer {
return *(*unsafe.Pointer)(unsafe.Pointer(&p))
}
func ptrToInterface(code *encoder.Opcode, p uintptr) interface{} {
return *(*interface{})(unsafe.Pointer(&emptyInterface{
typ: code.Type,
ptr: *(*unsafe.Pointer)(unsafe.Pointer(&p)),
}))
}
func appendBool(_ *encoder.RuntimeContext, b []byte, v bool) []byte {
if v {
return append(b, "true"...)
}
return append(b, "false"...)
}
func appendNull(_ *encoder.RuntimeContext, b []byte) []byte {
return append(b, "null"...)
}
func appendComma(_ *encoder.RuntimeContext, b []byte) []byte {
return append(b, ',')
}
func appendColon(_ *encoder.RuntimeContext, b []byte) []byte {
last := len(b) - 1
b[last] = ':'
return b
}
func appendMapKeyValue(_ *encoder.RuntimeContext, _ *encoder.Opcode, b, key, value []byte) []byte {
b = append(b, key...)
b[len(b)-1] = ':'
return append(b, value...)
}
func appendMapEnd(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte {
b[len(b)-1] = '}'
b = append(b, ',')
return b
}
func appendMarshalJSON(ctx *encoder.RuntimeContext, code *encoder.Opcode, b []byte, v interface{}) ([]byte, error) {
return encoder.AppendMarshalJSON(ctx, code, b, v)
}
func appendMarshalText(ctx *encoder.RuntimeContext, code *encoder.Opcode, b []byte, v interface{}) ([]byte, error) {
return encoder.AppendMarshalText(ctx, code, b, v)
}
func appendArrayHead(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte {
return append(b, '[')
}
func appendArrayEnd(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte {
last := len(b) - 1
b[last] = ']'
return append(b, ',')
}
func appendEmptyArray(_ *encoder.RuntimeContext, b []byte) []byte {
return append(b, '[', ']', ',')
}
func appendEmptyObject(_ *encoder.RuntimeContext, b []byte) []byte {
return append(b, '{', '}', ',')
}
func appendObjectEnd(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte {
last := len(b) - 1
b[last] = '}'
return append(b, ',')
}
func appendStructHead(_ *encoder.RuntimeContext, b []byte) []byte {
return append(b, '{')
}
func appendStructKey(_ *encoder.RuntimeContext, code *encoder.Opcode, b []byte) []byte {
return append(b, code.Key...)
}
func appendStructEnd(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte {
return append(b, '}', ',')
}
func appendStructEndSkipLast(ctx *encoder.RuntimeContext, code *encoder.Opcode, b []byte) []byte {
last := len(b) - 1
if b[last] == ',' {
b[last] = '}'
return appendComma(ctx, b)
}
return appendStructEnd(ctx, code, b)
}
func restoreIndent(_ *encoder.RuntimeContext, _ *encoder.Opcode, _ uintptr) {}
func storeIndent(_ uintptr, _ *encoder.Opcode, _ uintptr) {}
func appendMapKeyIndent(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte { return b }
func appendArrayElemIndent(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte { return b }

5058
vendor/github.com/goccy/go-json/internal/encoder/vm/vm.go generated vendored Normal file
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34
vendor/github.com/goccy/go-json/internal/encoder/vm_color/debug_vm.go generated vendored Normal file
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@ -0,0 +1,34 @@
package vm_color
import (
"fmt"
"github.com/goccy/go-json/internal/encoder"
)
func DebugRun(ctx *encoder.RuntimeContext, b []byte, codeSet *encoder.OpcodeSet) ([]byte, error) {
var code *encoder.Opcode
if (ctx.Option.Flag & encoder.HTMLEscapeOption) != 0 {
code = codeSet.EscapeKeyCode
} else {
code = codeSet.NoescapeKeyCode
}
defer func() {
if err := recover(); err != nil {
fmt.Println("=============[DEBUG]===============")
fmt.Println("* [TYPE]")
fmt.Println(codeSet.Type)
fmt.Printf("\n")
fmt.Println("* [ALL OPCODE]")
fmt.Println(code.Dump())
fmt.Printf("\n")
fmt.Println("* [CONTEXT]")
fmt.Printf("%+v\n", ctx)
fmt.Println("===================================")
panic(err)
}
}()
return Run(ctx, b, codeSet)
}

9
vendor/github.com/goccy/go-json/internal/encoder/vm_color/hack.go generated vendored Normal file
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@ -0,0 +1,9 @@
package vm_color
import (
// HACK: compile order
// `vm`, `vm_indent`, `vm_color`, `vm_color_indent` packages uses a lot of memory to compile,
// so forcibly make dependencies and avoid compiling in concurrent.
// dependency order: vm => vm_indent => vm_color => vm_color_indent
_ "github.com/goccy/go-json/internal/encoder/vm_color_indent"
)

267
vendor/github.com/goccy/go-json/internal/encoder/vm_color/util.go generated vendored Normal file
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@ -0,0 +1,267 @@
package vm_color
import (
"encoding/json"
"fmt"
"unsafe"
"github.com/goccy/go-json/internal/encoder"
"github.com/goccy/go-json/internal/runtime"
)
const uintptrSize = 4 << (^uintptr(0) >> 63)
var (
errUnsupportedValue = encoder.ErrUnsupportedValue
errUnsupportedFloat = encoder.ErrUnsupportedFloat
mapiterinit = encoder.MapIterInit
mapiterkey = encoder.MapIterKey
mapitervalue = encoder.MapIterValue
mapiternext = encoder.MapIterNext
maplen = encoder.MapLen
)
type emptyInterface struct {
typ *runtime.Type
ptr unsafe.Pointer
}
type nonEmptyInterface struct {
itab *struct {
ityp *runtime.Type // static interface type
typ *runtime.Type // dynamic concrete type
// unused fields...
}
ptr unsafe.Pointer
}
func errUnimplementedOp(op encoder.OpType) error {
return fmt.Errorf("encoder: opcode %s has not been implemented", op)
}
func load(base uintptr, idx uint32) uintptr {
addr := base + uintptr(idx)
return **(**uintptr)(unsafe.Pointer(&addr))
}
func store(base uintptr, idx uint32, p uintptr) {
addr := base + uintptr(idx)
**(**uintptr)(unsafe.Pointer(&addr)) = p
}
func loadNPtr(base uintptr, idx uint32, ptrNum uint8) uintptr {
addr := base + uintptr(idx)
p := **(**uintptr)(unsafe.Pointer(&addr))
for i := uint8(0); i < ptrNum; i++ {
if p == 0 {
return 0
}
p = ptrToPtr(p)
}
return p
}
func ptrToUint64(p uintptr, bitSize uint8) uint64 {
switch bitSize {
case 8:
return (uint64)(**(**uint8)(unsafe.Pointer(&p)))
case 16:
return (uint64)(**(**uint16)(unsafe.Pointer(&p)))
case 32:
return (uint64)(**(**uint32)(unsafe.Pointer(&p)))
case 64:
return **(**uint64)(unsafe.Pointer(&p))
}
return 0
}
func ptrToFloat32(p uintptr) float32 { return **(**float32)(unsafe.Pointer(&p)) }
func ptrToFloat64(p uintptr) float64 { return **(**float64)(unsafe.Pointer(&p)) }
func ptrToBool(p uintptr) bool { return **(**bool)(unsafe.Pointer(&p)) }
func ptrToBytes(p uintptr) []byte { return **(**[]byte)(unsafe.Pointer(&p)) }
func ptrToNumber(p uintptr) json.Number { return **(**json.Number)(unsafe.Pointer(&p)) }
func ptrToString(p uintptr) string { return **(**string)(unsafe.Pointer(&p)) }
func ptrToSlice(p uintptr) *runtime.SliceHeader { return *(**runtime.SliceHeader)(unsafe.Pointer(&p)) }
func ptrToPtr(p uintptr) uintptr {
return uintptr(**(**unsafe.Pointer)(unsafe.Pointer(&p)))
}
func ptrToNPtr(p uintptr, ptrNum uint8) uintptr {
for i := uint8(0); i < ptrNum; i++ {
if p == 0 {
return 0
}
p = ptrToPtr(p)
}
return p
}
func ptrToUnsafePtr(p uintptr) unsafe.Pointer {
return *(*unsafe.Pointer)(unsafe.Pointer(&p))
}
func ptrToInterface(code *encoder.Opcode, p uintptr) interface{} {
return *(*interface{})(unsafe.Pointer(&emptyInterface{
typ: code.Type,
ptr: *(*unsafe.Pointer)(unsafe.Pointer(&p)),
}))
}
func appendInt(ctx *encoder.RuntimeContext, b []byte, p uintptr, code *encoder.Opcode) []byte {
format := ctx.Option.ColorScheme.Int
b = append(b, format.Header...)
b = encoder.AppendInt(ctx, b, p, code)
return append(b, format.Footer...)
}
func appendUint(ctx *encoder.RuntimeContext, b []byte, p uintptr, code *encoder.Opcode) []byte {
format := ctx.Option.ColorScheme.Uint
b = append(b, format.Header...)
b = encoder.AppendUint(ctx, b, p, code)
return append(b, format.Footer...)
}
func appendFloat32(ctx *encoder.RuntimeContext, b []byte, v float32) []byte {
format := ctx.Option.ColorScheme.Float
b = append(b, format.Header...)
b = encoder.AppendFloat32(ctx, b, v)
return append(b, format.Footer...)
}
func appendFloat64(ctx *encoder.RuntimeContext, b []byte, v float64) []byte {
format := ctx.Option.ColorScheme.Float
b = append(b, format.Header...)
b = encoder.AppendFloat64(ctx, b, v)
return append(b, format.Footer...)
}
func appendString(ctx *encoder.RuntimeContext, b []byte, v string) []byte {
format := ctx.Option.ColorScheme.String
b = append(b, format.Header...)
b = encoder.AppendString(ctx, b, v)
return append(b, format.Footer...)
}
func appendByteSlice(ctx *encoder.RuntimeContext, b []byte, src []byte) []byte {
format := ctx.Option.ColorScheme.Binary
b = append(b, format.Header...)
b = encoder.AppendByteSlice(ctx, b, src)
return append(b, format.Footer...)
}
func appendNumber(ctx *encoder.RuntimeContext, b []byte, n json.Number) ([]byte, error) {
format := ctx.Option.ColorScheme.Int
b = append(b, format.Header...)
bb, err := encoder.AppendNumber(ctx, b, n)
if err != nil {
return nil, err
}
return append(bb, format.Footer...), nil
}
func appendBool(ctx *encoder.RuntimeContext, b []byte, v bool) []byte {
format := ctx.Option.ColorScheme.Bool
b = append(b, format.Header...)
if v {
b = append(b, "true"...)
} else {
b = append(b, "false"...)
}
return append(b, format.Footer...)
}
func appendNull(ctx *encoder.RuntimeContext, b []byte) []byte {
format := ctx.Option.ColorScheme.Null
b = append(b, format.Header...)
b = append(b, "null"...)
return append(b, format.Footer...)
}
func appendComma(_ *encoder.RuntimeContext, b []byte) []byte {
return append(b, ',')
}
func appendColon(_ *encoder.RuntimeContext, b []byte) []byte {
last := len(b) - 1
b[last] = ':'
return b
}
func appendMapKeyValue(_ *encoder.RuntimeContext, _ *encoder.Opcode, b, key, value []byte) []byte {
b = append(b, key[:len(key)-1]...)
b = append(b, ':')
return append(b, value...)
}
func appendMapEnd(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte {
last := len(b) - 1
b[last] = '}'
b = append(b, ',')
return b
}
func appendMarshalJSON(ctx *encoder.RuntimeContext, code *encoder.Opcode, b []byte, v interface{}) ([]byte, error) {
return encoder.AppendMarshalJSON(ctx, code, b, v)
}
func appendMarshalText(ctx *encoder.RuntimeContext, code *encoder.Opcode, b []byte, v interface{}) ([]byte, error) {
format := ctx.Option.ColorScheme.String
b = append(b, format.Header...)
bb, err := encoder.AppendMarshalText(ctx, code, b, v)
if err != nil {
return nil, err
}
return append(bb, format.Footer...), nil
}
func appendArrayHead(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte {
return append(b, '[')
}
func appendArrayEnd(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte {
last := len(b) - 1
b[last] = ']'
return append(b, ',')
}
func appendEmptyArray(_ *encoder.RuntimeContext, b []byte) []byte {
return append(b, '[', ']', ',')
}
func appendEmptyObject(_ *encoder.RuntimeContext, b []byte) []byte {
return append(b, '{', '}', ',')
}
func appendObjectEnd(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte {
last := len(b) - 1
b[last] = '}'
return append(b, ',')
}
func appendStructHead(_ *encoder.RuntimeContext, b []byte) []byte {
return append(b, '{')
}
func appendStructKey(ctx *encoder.RuntimeContext, code *encoder.Opcode, b []byte) []byte {
format := ctx.Option.ColorScheme.ObjectKey
b = append(b, format.Header...)
b = append(b, code.Key[:len(code.Key)-1]...)
b = append(b, format.Footer...)
return append(b, ':')
}
func appendStructEnd(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte {
return append(b, '}', ',')
}
func appendStructEndSkipLast(ctx *encoder.RuntimeContext, code *encoder.Opcode, b []byte) []byte {
last := len(b) - 1
if b[last] == ',' {
b[last] = '}'
return appendComma(ctx, b)
}
return appendStructEnd(ctx, code, b)
}
func restoreIndent(_ *encoder.RuntimeContext, _ *encoder.Opcode, _ uintptr) {}
func storeIndent(_ uintptr, _ *encoder.Opcode, _ uintptr) {}
func appendMapKeyIndent(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte { return b }
func appendArrayElemIndent(_ *encoder.RuntimeContext, _ *encoder.Opcode, b []byte) []byte { return b }

5058
vendor/github.com/goccy/go-json/internal/encoder/vm_color/vm.go generated vendored Normal file
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