WordDecoder.DecodeHeader in Go
DecodeHeader decodes all encoded-words of the given string. It returns an error if and only if CharsetReader of d returns an error.
package main
import (
"bytes"
"fmt"
"io"
"io/ioutil"
"mime"
)
func main() {
dec := new(mime.WordDecoder)
header, err := dec.DecodeHeader("=?utf-8?q?=C3=89ric?= <eric@example.org>, =?utf-8?q?Ana=C3=AFs?= <anais@example.org>")
if err != nil {
panic(err)
}
fmt.Println(header)
header, err = dec.DecodeHeader("=?utf-8?q?=C2=A1Hola,?= =?utf-8?q?_se=C3=B1or!?=")
if err != nil {
panic(err)
}
fmt.Println(header)
dec.CharsetReader = func(charset string, input io.Reader) (io.Reader, error) {
switch charset {
case "x-case":
// Fake character set for example.
// Real use would integrate with packages such
// as code.google.com/p/go-charset
content, err := ioutil.ReadAll(input)
if err != nil {
return nil, err
}
return bytes.NewReader(bytes.ToUpper(content)), nil
default:
return nil, fmt.Errorf("unhandled charset %q", charset)
}
}
header, err = dec.DecodeHeader("=?x-case?q?hello_?= =?x-case?q?world!?=")
if err != nil {
panic(err)
}
fmt.Println(header)
}