github.com/Ptt-official-app/go-bbs@v0.12.0/big5.go (about)

     1  // Copyright 2020 Pichu Chen, The PTT APP Authors
     2  
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  // Encoding convertion for Big5 to UTF-8,
    16  // Actual BBS using "BIG5-UAO", so BBS in Taiwan supports Japanese
    17  // charset, and golang traditionalchinese supports BIG5-UAO already.
    18  // Please see "big5_test.go" for more infomation.
    19  
    20  package bbs
    21  
    22  import (
    23  	"golang.org/x/text/encoding/traditionalchinese"
    24  	"golang.org/x/text/transform"
    25  )
    26  
    27  func Utf8ToBig5(input string) []byte {
    28  	utf8ToBig5 := traditionalchinese.Big5.NewEncoder()
    29  	big5, _, _ := transform.Bytes(utf8ToBig5, []byte(input))
    30  	return big5
    31  }
    32  
    33  func Big5ToUtf8(input []byte) string {
    34  	big5ToUTF8 := traditionalchinese.Big5.NewDecoder()
    35  	utf8, _, _ := transform.String(big5ToUTF8, string(input))
    36  	return utf8
    37  }