vmail/vendor/github.com/labstack/echo/v4/middleware/middleware.go
2020-07-08 22:41:48 +02:00

39 lines
852 B
Go

package middleware
import (
"regexp"
"strconv"
"strings"
"github.com/labstack/echo/v4"
)
type (
// Skipper defines a function to skip middleware. Returning true skips processing
// the middleware.
Skipper func(echo.Context) bool
// BeforeFunc defines a function which is executed just before the middleware.
BeforeFunc func(echo.Context)
)
func captureTokens(pattern *regexp.Regexp, input string) *strings.Replacer {
groups := pattern.FindAllStringSubmatch(input, -1)
if groups == nil {
return nil
}
values := groups[0][1:]
replace := make([]string, 2*len(values))
for i, v := range values {
j := 2 * i
replace[j] = "$" + strconv.Itoa(i+1)
replace[j+1] = v
}
return strings.NewReplacer(replace...)
}
// DefaultSkipper returns false which processes the middleware.
func DefaultSkipper(echo.Context) bool {
return false
}