97 lines
2.4 KiB
Go
97 lines
2.4 KiB
Go
/*
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* Copyright (c) 2018 DeineAgentur UG https://www.deineagentur.com. All rights reserved.
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* Licensed under the MIT License. See LICENSE file in the project root for full license information.
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*/
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package gotext
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import (
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"fmt"
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"regexp"
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"strings"
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)
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var re = regexp.MustCompile(`%\(([a-zA-Z0-9_]+)\)[.0-9]*[svTtbcdoqXxUeEfFgGp]`)
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// SimplifiedLocale simplified locale like " en_US"/"de_DE "/en_US.UTF-8/zh_CN/zh_TW/el_GR@euro/... to en_US, de_DE, zh_CN, el_GR...
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func SimplifiedLocale(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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// FormatString applies text formatting only when needed to parse variables.
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func FormatString(str string, vars ...interface{}) string {
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if len(vars) > 0 {
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return fmt.Sprintf(str, vars...)
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}
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return str
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}
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// Appendf applies text formatting only when needed to parse variables.
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func Appendf(b []byte, str string, vars ...interface{}) []byte {
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if len(vars) > 0 {
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return fmt.Appendf(b, str, vars...)
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}
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return append(b, str...)
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}
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// NPrintf support named format
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// NPrintf("%(name)s is Type %(type)s", map[string]interface{}{"name": "Gotext", "type": "struct"})
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func NPrintf(format string, params map[string]interface{}) {
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f, p := parseSprintf(format, params)
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fmt.Printf(f, p...)
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}
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// Sprintf support named format
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//
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// Sprintf("%(name)s is Type %(type)s", map[string]interface{}{"name": "Gotext", "type": "struct"})
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func Sprintf(format string, params map[string]interface{}) string {
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f, p := parseSprintf(format, params)
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return fmt.Sprintf(f, p...)
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}
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func parseSprintf(format string, params map[string]interface{}) (string, []interface{}) {
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f, n := reformatSprintf(format)
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var p []interface{}
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for _, v := range n {
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p = append(p, params[v])
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}
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return f, p
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}
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func reformatSprintf(f string) (string, []string) {
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m := re.FindAllStringSubmatch(f, -1)
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i := re.FindAllStringSubmatchIndex(f, -1)
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ord := []string{}
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for _, v := range m {
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ord = append(ord, v[1])
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}
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pair := []int{0}
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for _, v := range i {
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pair = append(pair, v[2]-1)
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pair = append(pair, v[3]+1)
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}
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pair = append(pair, len(f))
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plen := len(pair)
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out := ""
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for n := 0; n < plen; n += 2 {
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out += f[pair[n]:pair[n+1]]
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}
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return out, ord
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}
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