miniflux/internal/reader/fetcher/encoding_wrappers.go
2024-04-19 10:50:46 -07:00

55 lines
1 KiB
Go

package fetcher
import (
"compress/gzip"
"io"
"github.com/andybalholm/brotli"
)
type brotliReadCloser struct {
body io.ReadCloser
brotliReader io.Reader
}
func NewBrotliReadCloser(body io.ReadCloser) *brotliReadCloser {
return &brotliReadCloser{
body: body,
brotliReader: brotli.NewReader(body),
}
}
func (b *brotliReadCloser) Read(p []byte) (n int, err error) {
return b.brotliReader.Read(p)
}
func (b *brotliReadCloser) Close() error {
return b.body.Close()
}
type gzipReadCloser struct {
body io.ReadCloser
gzipReader io.Reader
gzipErr error
}
func NewGzipReadCloser(body io.ReadCloser) *gzipReadCloser {
return &gzipReadCloser{body: body}
}
func (gz *gzipReadCloser) Read(p []byte) (n int, err error) {
if gz.gzipReader == nil {
if gz.gzipErr == nil {
gz.gzipReader, gz.gzipErr = gzip.NewReader(gz.body)
}
if gz.gzipErr != nil {
return 0, gz.gzipErr
}
}
return gz.gzipReader.Read(p)
}
func (gz *gzipReadCloser) Close() error {
return gz.body.Close()
}