1 // Copyright 2016 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
7 import "golang.org/x/text/transform"
9 type caseFolder struct{ transform.NopResetter }
11 // caseFolder implements the Transformer interface for doing case folding.
12 func (t *caseFolder) Transform(dst, src []byte, atEOF bool) (nDst, nSrc int, err error) {
13 c := context{dst: dst, src: src, atEOF: atEOF}
21 func (t *caseFolder) Span(src []byte, atEOF bool) (n int, err error) {
22 c := context{src: src, atEOF: atEOF}
23 for c.next() && isFoldFull(&c) {
29 func makeFold(o options) transform.SpanningTransformer {
30 // TODO: Special case folding, through option Language, Special/Turkic, or
32 // TODO: Implement Compact options.