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Diffstat (limited to 'vendor/golang.org/x/text/cases/fold.go')
-rw-r--r--vendor/golang.org/x/text/cases/fold.go34
1 files changed, 34 insertions, 0 deletions
diff --git a/vendor/golang.org/x/text/cases/fold.go b/vendor/golang.org/x/text/cases/fold.go
new file mode 100644
index 0000000..85cc434
--- /dev/null
+++ b/vendor/golang.org/x/text/cases/fold.go
@@ -0,0 +1,34 @@
+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package cases
+
+import "golang.org/x/text/transform"
+
+type caseFolder struct{ transform.NopResetter }
+
+// caseFolder implements the Transformer interface for doing case folding.
+func (t *caseFolder) Transform(dst, src []byte, atEOF bool) (nDst, nSrc int, err error) {
+ c := context{dst: dst, src: src, atEOF: atEOF}
+ for c.next() {
+ foldFull(&c)
+ c.checkpoint()
+ }
+ return c.ret()
+}
+
+func (t *caseFolder) Span(src []byte, atEOF bool) (n int, err error) {
+ c := context{src: src, atEOF: atEOF}
+ for c.next() && isFoldFull(&c) {
+ c.checkpoint()
+ }
+ return c.retSpan()
+}
+
+func makeFold(o options) transform.SpanningTransformer {
+ // TODO: Special case folding, through option Language, Special/Turkic, or
+ // both.
+ // TODO: Implement Compact options.
+ return &caseFolder{}
+}