Created
December 8, 2018 09:43
-
-
Save juergenhoetzel/2d9447cdf5c5b30278adfa7e22ec660e to your computer and use it in GitHub Desktop.
Decode utf16 (little or big endian) to string
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
package main | |
import ( | |
"bytes" | |
"encoding/binary" | |
"fmt" | |
"unicode/utf16" | |
) | |
func DecodeUtf16(b []byte, order binary.ByteOrder) (string, error) { | |
ints := make([]uint16, len(b)/2) | |
if err := binary.Read(bytes.NewReader(b), order, &ints); err != nil { | |
return "", err | |
} | |
return string(utf16.Decode(ints)), nil | |
} | |
func main() { | |
b := []byte{ | |
0xff, // BOM | |
0xfe, // BOM | |
0x3D, // Pile | |
0xD8, // of | |
0xA9, // Poo | |
0xDC, // --- | |
'T', | |
0x00, | |
'E', | |
0x00, | |
'S', | |
0x00, | |
'T', | |
0x00, | |
0x6C, | |
0x34, | |
'\n', | |
0x00, | |
} | |
bom := [2]byte{b[0], b[1]} | |
var s string | |
var err error | |
switch bom { | |
case [2]byte{0xff, 0xfe}: | |
s, err = DecodeUtf16(b[2:], binary.LittleEndian) | |
case [2]byte{0xfe, 0xff}: | |
s, err = DecodeUtf16(b[2:], binary.BigEndian) | |
default: // just try little endian | |
s, err = DecodeUtf16(b, binary.LittleEndian) | |
} | |
if err != nil { | |
fmt.Println(err) | |
} else { | |
fmt.Println(s) | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment