func ParseMetadata(charset string, meta string) (metadata string) {
if charset == "latin1" {
if res, err := iconv.Conv(meta, "UTF-8", "UTF-8"); err == nil {
metadata = res
} else if res, err := iconv.Conv(meta, "UTF-8", "SHIFT_JIS"); err == nil {
metadata = res
} else {
metadata, _ = iconv.Conv(meta, "UTF8//TRANSLIT", "UTF8")
}
} else {
// We trust outside sources? burn the books!
metadata, _ = iconv.Conv(meta, "UTF-8//TRANSLIT", charset)
}
return metadata
}
// Decode, for example, "ISO-2022-JP" to UTF-8
func convertToUTF8(str string, charset string) string {
charset = fixCharset(charset)
if charset == "utf-8" {
return str
}
// eg. charset can be "ISO-2022-JP"
convstr, err := iconv.Conv(str, "UTF-8", charset)
if err == nil {
return convstr
}
return str
}