mirror of https://github.com/gdamore/tcell.git
49 lines
1.3 KiB
Go
49 lines
1.3 KiB
Go
|
// +build !windows,!nacl,!plan9
|
||
|
|
|
||
|
|
// Copyright 2015 The TCell Authors
|
||
|
|
//
|
||
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
// you may not use 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 tcell
|
||
|
|
|
||
|
|
import (
|
||
|
|
"os"
|
||
|
|
"strings"
|
||
|
|
)
|
||
|
|
|
||
|
|
func GetCharset() string {
|
||
|
|
// Determine the character set. This can help us later.
|
||
|
|
// Per POSIX, we search for LC_ALL first, then LC_CTYPE, and
|
||
|
|
// finally LANG. First one set wins.
|
||
|
|
locale := ""
|
||
|
|
if locale = os.Getenv("LC_ALL"); locale == "" {
|
||
|
|
if locale = os.Getenv("LC_CTYPE"); locale == "" {
|
||
|
|
locale = os.Getenv("LANG")
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if locale == "POSIX" || locale == "C" {
|
||
|
|
return "US-ASCII"
|
||
|
|
}
|
||
|
|
if i := strings.IndexRune(locale, '@'); i >= 0 {
|
||
|
|
locale = locale[:i]
|
||
|
|
}
|
||
|
|
if i := strings.IndexRune(locale, '.'); i >= 0 {
|
||
|
|
locale = locale[i+1:]
|
||
|
|
}
|
||
|
|
if locale == "" {
|
||
|
|
return "UTF-8"
|
||
|
|
}
|
||
|
|
// XXX: add support for aliases
|
||
|
|
return locale
|
||
|
|
}
|