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34 lines
935 B
34 lines
935 B
// Copyright 2016 The Go Authors. All rights reserved. |
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// Use of this source code is governed by a BSD-style |
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// license that can be found in the LICENSE file. |
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package cases |
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import "golang.org/x/text/transform" |
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type caseFolder struct{ transform.NopResetter } |
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// caseFolder implements the Transformer interface for doing case folding. |
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func (t *caseFolder) Transform(dst, src []byte, atEOF bool) (nDst, nSrc int, err error) { |
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c := context{dst: dst, src: src, atEOF: atEOF} |
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for c.next() { |
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foldFull(&c) |
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c.checkpoint() |
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} |
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return c.ret() |
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} |
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func (t *caseFolder) Span(src []byte, atEOF bool) (n int, err error) { |
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c := context{src: src, atEOF: atEOF} |
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for c.next() && isFoldFull(&c) { |
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c.checkpoint() |
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} |
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return c.retSpan() |
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} |
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func makeFold(o options) transform.SpanningTransformer { |
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// TODO: Special case folding, through option Language, Special/Turkic, or |
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// both. |
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// TODO: Implement Compact options. |
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return &caseFolder{} |
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}
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