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35 lines
782 B
Go
35 lines
782 B
Go
// Copyright 2013 ChaiShushan <chaishushan{AT}gmail.com>. 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 gettext
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import (
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"os"
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"strings"
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)
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func getDefaultLanguage() string {
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if v := os.Getenv("LC_MESSAGES"); v != "" {
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return simplifiedLanguage(v)
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}
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if v := os.Getenv("LANG"); v != "" {
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return simplifiedLanguage(v)
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}
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return "default"
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}
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func simplifiedLanguage(lang string) string {
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// en_US/en_US.UTF-8/zh_CN/zh_TW/el_GR@euro/...
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if idx := strings.Index(lang, ":"); idx != -1 {
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lang = lang[:idx]
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}
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if idx := strings.Index(lang, "@"); idx != -1 {
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lang = lang[:idx]
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}
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if idx := strings.Index(lang, "."); idx != -1 {
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lang = lang[:idx]
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}
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return strings.TrimSpace(lang)
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}
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