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interface.go
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/
interface.go
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package writer
import (
"io"
"time"
)
// GzipWriter implements the functions needed for compressing content.
type GzipWriter interface {
Write(p []byte) (int, error)
Close() error
Flush() error
}
// GzipWriterExt implements the functions needed for compressing content
// and optional extensions.
type GzipWriterExt interface {
GzipWriter
// SetHeader will populate header fields with non-nil values in h.
SetHeader(h Header)
}
// Header is a gzip header.
type Header struct {
Comment string // comment
Extra []byte // "extra data"
ModTime time.Time // modification time
Name string // file name
OS byte // operating system type
}
// GzipWriterFactory contains the information needed for custom gzip implementations.
type GzipWriterFactory struct {
// Must return the minimum and maximum supported level.
Levels func() (min, max int)
// New must return a new GzipWriter.
// level will always be within the return limits above.
New func(writer io.Writer, level int) GzipWriter
}