1 files changed, 0 insertions, 170 deletions
diff --git a/modules/mahonia/utf16.go b/modules/mahonia/utf16.go
deleted file mode 100644
index 3ec7b770..00000000
--- a/modules/mahonia/utf16.go
+++ /dev/null
@@ -1,170 +0,0 @@
-package mahonia
-
-import (
-	"unicode/utf16"
-)
-
-func init() {
-	for i := 0; i < len(utf16Charsets); i++ {
-		RegisterCharset(&utf16Charsets[i])
-	}
-}
-
-var utf16Charsets = []Charset{
-	{
-		Name: "UTF-16",
-		NewDecoder: func() Decoder {
-			var decodeRune Decoder
-			return func(p []byte) (c rune, size int, status Status) {
-				if decodeRune == nil {
-					// haven't read the BOM yet
-					if len(p) < 2 {
-						status = NO_ROOM
-						return
-					}
-
-					switch {
-					case p[0] == 0xfe && p[1] == 0xff:
-						decodeRune = decodeUTF16beRune
-						return 0, 2, STATE_ONLY
-					case p[0] == 0xff && p[1] == 0xfe:
-						decodeRune = decodeUTF16leRune
-						return 0, 2, STATE_ONLY
-					default:
-						decodeRune = decodeUTF16beRune
-					}
-				}
-
-				return decodeRune(p)
-			}
-		},
-		NewEncoder: func() Encoder {
-			wroteBOM := false
-			return func(p []byte, c rune) (size int, status Status) {
-				if !wroteBOM {
-					if len(p) < 2 {
-						status = NO_ROOM
-						return
-					}
-
-					p[0] = 0xfe
-					p[1] = 0xff
-					wroteBOM = true
-					return 2, STATE_ONLY
-				}
-
-				return encodeUTF16beRune(p, c)
-			}
-		},
-	},
-	{
-		Name:       "UTF-16BE",
-		NewDecoder: func() Decoder { return decodeUTF16beRune },
-		NewEncoder: func() Encoder { return encodeUTF16beRune },
-	},
-	{
-		Name:       "UTF-16LE",
-		NewDecoder: func() Decoder { return decodeUTF16leRune },
-		NewEncoder: func() Encoder { return encodeUTF16leRune },
-	},
-}
-
-func decodeUTF16beRune(p []byte) (r rune, size int, status Status) {
-	if len(p) < 2 {
-		status = NO_ROOM
-		return
-	}
-
-	c := rune(p[0])<<8 + rune(p[1])
-
-	if utf16.IsSurrogate(c) {
-		if len(p) < 4 {
-			status = NO_ROOM
-			return
-		}
-
-		c2 := rune(p[2])<<8 + rune(p[3])
-		c = utf16.DecodeRune(c, c2)
-
-		if c == 0xfffd {
-			return c, 2, INVALID_CHAR
-		} else {
-			return c, 4, SUCCESS
-		}
-	}
-
-	return c, 2, SUCCESS
-}
-
-func encodeUTF16beRune(p []byte, c rune) (size int, status Status) {
-	if c < 0x10000 {
-		if len(p) < 2 {
-			status = NO_ROOM
-			return
-		}
-		p[0] = byte(c >> 8)
-		p[1] = byte(c)
-		return 2, SUCCESS
-	}
-
-	if len(p) < 4 {
-		status = NO_ROOM
-		return
-	}
-	s1, s2 := utf16.EncodeRune(c)
-	p[0] = byte(s1 >> 8)
-	p[1] = byte(s1)
-	p[2] = byte(s2 >> 8)
-	p[3] = byte(s2)
-	return 4, SUCCESS
-}
-
-func decodeUTF16leRune(p []byte) (r rune, size int, status Status) {
-	if len(p) < 2 {
-		status = NO_ROOM
-		return
-	}
-
-	c := rune(p[1])<<8 + rune(p[0])
-
-	if utf16.IsSurrogate(c) {
-		if len(p) < 4 {
-			status = NO_ROOM
-			return
-		}
-
-		c2 := rune(p[3])<<8 + rune(p[2])
-		c = utf16.DecodeRune(c, c2)
-
-		if c == 0xfffd {
-			return c, 2, INVALID_CHAR
-		} else {
-			return c, 4, SUCCESS
-		}
-	}
-
-	return c, 2, SUCCESS
-}
-
-func encodeUTF16leRune(p []byte, c rune) (size int, status Status) {
-	if c < 0x10000 {
-		if len(p) < 2 {
-			status = NO_ROOM
-			return
-		}
-		p[1] = byte(c >> 8)
-		p[0] = byte(c)
-		return 2, SUCCESS
-	}
-
-	if len(p) < 4 {
-		status = NO_ROOM
-		return
-	}
-	s1, s2 := utf16.EncodeRune(c)
-	p[1] = byte(s1 >> 8)
-	p[0] = byte(s1)
-	p[3] = byte(s2 >> 8)
-	p[2] = byte(s2)
-	return 4, SUCCESS
-}