36 lines
720 B
Go
36 lines
720 B
Go
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package main
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import (
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"fmt"
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"golang.org/x/text/encoding"
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"golang.org/x/text/encoding/charmap"
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)
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type Encoding string
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const (
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EncodingUtf8 Encoding = "UTF-8"
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EncodingWin1251 Encoding = "Win-1251"
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)
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func (e Encoding) Encoder() (*encoding.Encoder, error) {
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switch e {
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case EncodingWin1251:
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return charmap.Windows1251.NewEncoder(), nil
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case EncodingUtf8:
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return &encoding.Encoder{Transformer: new(DummyTransformer)}, nil
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}
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return nil, fmt.Errorf("unknown encoding: %s", string(e))
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}
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type DummyTransformer struct{}
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func (e *DummyTransformer) Transform(dst, src []byte, atEOF bool) (nDst, nSrc int, err error) {
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copy(dst, src)
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return len(dst), len(src), nil
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}
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func (e *DummyTransformer) Reset() {}
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