45 lines
2.2 KiB
Go
45 lines
2.2 KiB
Go
package pkging
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import (
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"net/http"
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"os"
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"github.com/gobuffalo/here"
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)
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type File interface {
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// Close closes the File, rendering it unusable for I/O.
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Close() error
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// Info returns the here.Info of the file
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Info() here.Info
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// Name retuns the name of the file
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Name() string
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// Open implements the http.FileSystem interface. A FileSystem implements access to a collection of named files. The elements in a file path are separated by slash ('/', U+002F) characters, regardless of host operating system convention.
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Open(name string) (http.File, error)
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// Path returns the here.Path of the file
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Path() here.Path
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// Read reads up to len(b) bytes from the File. It returns the number of bytes read and any error encountered. At end of file, Read returns 0, io.EOF.
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Read(p []byte) (int, error)
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// Readdir reads the contents of the directory associated with file and returns a slice of up to n FileInfo values, as would be returned by Lstat, in directory order. Subsequent calls on the same file will yield further FileInfos.
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//
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// If n > 0, Readdir returns at most n FileInfo structures. In this case, if Readdir returns an empty slice, it will return a non-nil error explaining why. At the end of a directory, the error is io.EOF.
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//
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// If n <= 0, Readdir returns all the FileInfo from the directory in a single slice. In this case, if Readdir succeeds (reads all the way to the end of the directory), it returns the slice and a nil error. If it encounters an error before the end of the directory, Readdir returns the FileInfo read until that point and a non-nil error.
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Readdir(count int) ([]os.FileInfo, error)
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// Seek sets the offset for the next Read or Write on file to offset, interpreted according to whence: 0 means relative to the origin of the file, 1 means relative to the current offset, and 2 means relative to the end. It returns the new offset and an error, if any.
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Seek(offset int64, whence int) (int64, error)
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// Stat returns the FileInfo structure describing file. If there is an error, it will be of type *PathError.
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Stat() (os.FileInfo, error)
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// Write writes len(b) bytes to the File. It returns the number of bytes written and an error, if any. Write returns a non-nil error when n != len(b).
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Write(b []byte) (int, error)
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}
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