内容压缩支持对已压缩内容重新压缩

internal/compressions/reader_brotli.go

@@ -0,0 +1,24 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package compressions
+
+import (
+	"github.com/andybalholm/brotli"
+	"io"
+)
+
+type BrotliReader struct {
+	reader *brotli.Reader
+}
+
+func NewBrotliReader(reader io.Reader) (Reader, error) {
+	return &BrotliReader{reader: brotli.NewReader(reader)}, nil
+}
+
+func (this *BrotliReader) Read(p []byte) (n int, err error) {
+	return this.reader.Read(p)
+}
+
+func (this *BrotliReader) Close() error {
+	return nil
+}