wide/i18n/locales.go

103 lines
2.1 KiB
Go

// Copyright (c) 2014-2018, b3log.org & hacpai.com
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package i18n includes internationalization related manipulations.
package i18n
import (
"encoding/json"
"io/ioutil"
"os"
"sort"
"strings"
"github.com/b3log/wide/log"
)
// Logger.
var logger = log.NewLogger(os.Stdout)
// Locale.
type locale struct {
Name string
Langs map[string]interface{}
TimeZone string
}
// All locales.
var Locales = map[string]locale{}
// Load loads i18n message configurations.
func Load() {
f, _ := os.Open("i18n")
names, _ := f.Readdirnames(-1)
f.Close()
if len(Locales) == len(names)-1 {
return
}
for _, name := range names {
if !strings.HasSuffix(name, ".json") {
continue
}
loc := name[:strings.LastIndex(name, ".")]
load(loc)
}
}
func load(localeStr string) {
bytes, err := ioutil.ReadFile("i18n/" + localeStr + ".json")
if nil != err {
logger.Error(err)
os.Exit(-1)
}
l := locale{Name: localeStr}
err = json.Unmarshal(bytes, &l.Langs)
if nil != err {
logger.Error(err)
os.Exit(-1)
}
Locales[localeStr] = l
}
// Get gets a message with the specified locale and key.
func Get(locale, key string) interface{} {
return Locales[locale].Langs[key]
}
// GetAll gets all messages with the specified locale.
func GetAll(locale string) map[string]interface{} {
return Locales[locale].Langs
}
// GetLocalesNames gets names of all locales. Returns ["zh_CN", "en_US"] for example.
func GetLocalesNames() []string {
ret := []string{}
for name := range Locales {
ret = append(ret, name)
}
sort.Strings(ret)
return ret
}