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60 lines
1.4 KiB
Go
60 lines
1.4 KiB
Go
// Copyright 2014 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 runes_test
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import (
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"fmt"
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"unicode"
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"golang.org/x/text/runes"
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"golang.org/x/text/transform"
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"golang.org/x/text/unicode/norm"
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"golang.org/x/text/width"
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)
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func ExampleRemove() {
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t := transform.Chain(norm.NFD, runes.Remove(runes.In(unicode.Mn)), norm.NFC)
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s, _, _ := transform.String(t, "résumé")
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fmt.Println(s)
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// Output:
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// resume
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}
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func ExampleMap() {
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replaceHyphens := runes.Map(func(r rune) rune {
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if unicode.Is(unicode.Hyphen, r) {
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return '|'
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}
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return r
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})
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s, _, _ := transform.String(replaceHyphens, "a-b‐c⸗d﹣e")
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fmt.Println(s)
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// Output:
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// a|b|c|d|e
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}
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func ExampleIn() {
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// Convert Latin characters to their canonical form, while keeping other
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// width distinctions.
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t := runes.If(runes.In(unicode.Latin), width.Fold, nil)
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s, _, _ := transform.String(t, "ｱﾙｱﾉﾘｳ tech / アルアノリウ ｔｅｃｈ")
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fmt.Println(s)
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// Output:
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// ｱﾙｱﾉﾘｳ tech / アルアノリウ tech
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}
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func ExampleIf() {
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// Widen everything but ASCII.
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isASCII := func(r rune) bool { return r <= unicode.MaxASCII }
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t := runes.If(runes.Predicate(isASCII), nil, width.Widen)
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s, _, _ := transform.String(t, "ｱﾙｱﾉﾘｳ tech / 中國 / 5₩")
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fmt.Println(s)
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// Output:
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// アルアノリウ tech / 中國 / 5￦
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}
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