compress

func AcquireFlateReader ¶

func AcquireFlateReader(r io.Reader) (io.ReadCloser, error)

func AcquireGzipReader ¶

func AcquireGzipReader(r io.Reader) (*gzip.Reader, error)

func AcquireStacklessDeflateWriter ¶

func AcquireStacklessDeflateWriter(w io.Writer, level int) stackless.Writer

func AcquireStacklessGzipWriter ¶

func AcquireStacklessGzipWriter(w io.Writer, level int) stackless.Writer

func AppendDeflateBytes ¶

func AppendDeflateBytes(dst, src []byte) []byte

AppendDeflateBytes appends deflated src to dst and returns the resulting dst.

func AppendDeflateBytesLevel ¶

func AppendDeflateBytesLevel(dst, src []byte, level int) []byte

AppendDeflateBytesLevel appends deflated src to dst using the given compression level and returns the resulting dst.

Supported compression levels are:

• CompressNoCompression
• CompressBestSpeed
• CompressBestCompression
• CompressDefaultCompression
• CompressHuffmanOnly

func AppendGunzipBytes ¶

func AppendGunzipBytes(dst, src []byte) ([]byte, error)

AppendGunzipBytes appends gunzipped src to dst and returns the resulting dst.

func AppendGzipBytes ¶

func AppendGzipBytes(dst, src []byte) []byte

AppendGzipBytes appends gzipped src to dst and returns the resulting dst.

func AppendGzipBytesLevel ¶

func AppendGzipBytesLevel(dst, src []byte, level int) []byte

AppendGzipBytesLevel appends gzipped src to dst using the given compression level and returns the resulting dst.

Supported compression levels are:

• CompressNoCompression
• CompressBestSpeed
• CompressBestCompression
• CompressDefaultCompression
• CompressHuffmanOnly

func AppendInflateBytes ¶

func AppendInflateBytes(dst, src []byte) ([]byte, error)

AppendInflateBytes appends inflated src to dst and returns the resulting dst.

func GunzipData ¶

func GunzipData(p []byte) ([]byte, error)

func InflateData ¶

func InflateData(p []byte) ([]byte, error)

func IsFileCompressible ¶

func IsFileCompressible(f *os.File, minCompressRatio float64) bool

func ReleaseFlateReader ¶

func ReleaseFlateReader(zr io.ReadCloser)

func ReleaseGzipReader ¶

func ReleaseGzipReader(zr *gzip.Reader)

func ReleaseStacklessDeflateWriter ¶

func ReleaseStacklessDeflateWriter(sw stackless.Writer, level int)

func ReleaseStacklessGzipWriter ¶

func ReleaseStacklessGzipWriter(sw stackless.Writer, level int)

func ResetFlateReader ¶

func ResetFlateReader(zr io.ReadCloser, r io.Reader) error

func WriteDeflate ¶

func WriteDeflate(w io.Writer, p []byte) (int, error)

WriteDeflate writes deflated p to w and returns the number of compressed bytes written to w.

func WriteDeflateLevel ¶

func WriteDeflateLevel(w io.Writer, p []byte, level int) (int, error)

WriteDeflateLevel writes deflated p to w using the given compression level and returns the number of compressed bytes written to w.

Supported compression levels are:

• CompressNoCompression
• CompressBestSpeed
• CompressBestCompression
• CompressDefaultCompression
• CompressHuffmanOnly

func WriteGunzip ¶

func WriteGunzip(w io.Writer, p []byte) (int, error)

WriteGunzip writes ungzipped p to w and returns the number of uncompressed bytes written to w.

func WriteGzip ¶

func WriteGzip(w io.Writer, p []byte) (int, error)

WriteGzip writes gzipped p to w and returns the number of compressed bytes written to w.

func WriteGzipLevel ¶

func WriteGzipLevel(w io.Writer, p []byte, level int) (int, error)

WriteGzipLevel writes gzipped p to w using the given compression level and returns the number of compressed bytes written to w.

Supported compression levels are:

• CompressNoCompression
• CompressBestSpeed
• CompressBestCompression
• CompressDefaultCompression
• CompressHuffmanOnly

func WriteInflate ¶

func WriteInflate(w io.Writer, p []byte) (int, error)

WriteInflate writes inflated p to w and returns the number of uncompressed bytes written to w.