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58101cf142
Benchmark_Gzip-4 4005 317424 ns/op 855350 B/op 29 allocs/op Signed-off-by: slasher <mcq.sejust@gmail.com>
44 lines
1.3 KiB
Go
44 lines
1.3 KiB
Go
// Copyright 2023 The CubeFS Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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// implied. See the License for the specific language governing
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// permissions and limitations under the License.
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package compressor
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const EncodingGzip = "gzip"
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// Compressor bytes compressor.
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// TODO: add stream Compressor.
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type Compressor interface {
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Compress([]byte) ([]byte, error)
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Decompress([]byte) ([]byte, error)
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}
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type none struct{}
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func (none) Compress(pb []byte) ([]byte, error) { return pb, nil }
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func (none) Decompress(cb []byte) ([]byte, error) { return cb, nil }
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var compressors = make(map[string]func() Compressor)
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func init() {
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compressors[""] = func() Compressor { return none{} }
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compressors[EncodingGzip] = func() Compressor { return gzipCompressor{} }
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}
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func New(encoding string) Compressor {
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if newCompressor, ok := compressors[encoding]; ok {
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return newCompressor()
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}
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return compressors[""]()
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}
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