46 lines
938 B
Go
46 lines
938 B
Go
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// Copyright 2018 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 language
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import (
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"sort"
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"strings"
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"golang.org/x/text/internal/language"
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)
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type compactID uint16
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func getCoreIndex(t language.Tag) (id compactID, ok bool) {
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cci, ok := language.GetCompactCore(t)
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if !ok {
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return 0, false
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}
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i := sort.Search(len(coreTags), func(i int) bool {
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return cci <= coreTags[i]
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})
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if i == len(coreTags) || coreTags[i] != cci {
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return 0, false
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}
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return compactID(i), true
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}
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func (c compactID) tag() language.Tag {
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if int(c) >= len(coreTags) {
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return specialTags[int(c)-len(coreTags)]
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}
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return coreTags[c].Tag()
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}
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var specialTags []language.Tag
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func init() {
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tags := strings.Split(specialTagsStr, " ")
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specialTags = make([]language.Tag, len(tags))
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for i, t := range tags {
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specialTags[i] = language.MustParse(t)
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}
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}
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