gotext/helper.go
Josef Fröhle 4172a9c4a7 Update commits
Signed-off-by: Josef Fröhle <froehle@b1-systems.de>
2018-03-26 20:47:41 +02:00

86 lines
2.2 KiB
Go

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