1 files changed, 0 insertions, 156 deletions
diff --git a/modules/mahonia/gb18030.go b/modules/mahonia/gb18030.go
deleted file mode 100644
index d2759250..00000000
--- a/modules/mahonia/gb18030.go
+++ /dev/null
@@ -1,156 +0,0 @@
-package mahonia
-
-import (
-	"sync"
-)
-
-// Converters for GB18030 encoding.
-
-func init() {
-	RegisterCharset(&Charset{
-		Name: "GB18030",
-		NewDecoder: func() Decoder {
-			gb18030Once.Do(buildGB18030Tables)
-			return decodeGB18030Rune
-		},
-		NewEncoder: func() Encoder {
-			gb18030Once.Do(buildGB18030Tables)
-			return encodeGB18030Rune
-		},
-	})
-}
-
-func decodeGB18030Rune(p []byte) (r rune, size int, status Status) {
-	if len(p) == 0 {
-		status = NO_ROOM
-		return
-	}
-
-	b := p[0]
-	if b < 128 {
-		return rune(b), 1, SUCCESS
-	}
-
-	if len(p) < 2 {
-		status = NO_ROOM
-		return
-	}
-
-	if p[0] < 0x81 || p[0] > 0xfe {
-		return 0xfffd, 1, INVALID_CHAR
-	}
-
-	if p[1] >= 0x40 {
-		// 2-byte character
-		c := uint16(p[0])<<8 + uint16(p[1])
-		r = rune(gbkToUnicode[c])
-		if r == 0 {
-			r = gbkToUnicodeExtra[c]
-		}
-
-		if r != 0 {
-			return r, 2, SUCCESS
-		}
-	} else if p[1] >= 0x30 {
-		// 4-byte character
-		if len(p) < 4 {
-			return 0, 0, NO_ROOM
-		}
-		if p[2] < 0x81 || p[2] > 0xfe || p[3] < 0x30 || p[3] > 0x39 {
-			return 0xfffd, 1, INVALID_CHAR
-		}
-
-		code := uint32(p[0])<<24 + uint32(p[1])<<16 + uint32(p[2])<<8 + uint32(p[3])
-		lin := gb18030Linear(code)
-
-		if lin <= maxGB18030Linear {
-			r = rune(gb18030LinearToUnicode[lin])
-			if r != 0 {
-				return r, 4, SUCCESS
-			}
-		}
-
-		for _, rng := range gb18030Ranges {
-			if lin >= rng.firstGB && lin <= rng.lastGB {
-				return rng.firstRune + rune(lin) - rune(rng.firstGB), 4, SUCCESS
-			}
-		}
-	}
-
-	return 0xfffd, 1, INVALID_CHAR
-}
-
-func encodeGB18030Rune(p []byte, r rune) (size int, status Status) {
-	if len(p) == 0 {
-		status = NO_ROOM
-		return
-	}
-
-	if r < 128 {
-		p[0] = byte(r)
-		return 1, SUCCESS
-	}
-
-	if len(p) < 2 {
-		status = NO_ROOM
-		return
-	}
-
-	var c uint16
-	if r < 0x10000 {
-		c = unicodeToGBK[r]
-	} else {
-		c = unicodeToGBKExtra[r]
-	}
-
-	if c != 0 {
-		p[0] = byte(c >> 8)
-		p[1] = byte(c)
-		return 2, SUCCESS
-	}
-
-	if len(p) < 4 {
-		return 0, NO_ROOM
-	}
-
-	if r < 0x10000 {
-		f := unicodeToGB18030[r]
-		if f != 0 {
-			p[0] = byte(f >> 24)
-			p[1] = byte(f >> 16)
-			p[2] = byte(f >> 8)
-			p[3] = byte(f)
-			return 4, SUCCESS
-		}
-	}
-
-	for _, rng := range gb18030Ranges {
-		if r >= rng.firstRune && r <= rng.lastRune {
-			lin := rng.firstGB + uint32(r) - uint32(rng.firstRune)
-			p[0] = byte(lin/(10*126*10)) + 0x81
-			p[1] = byte(lin/(126*10)%10) + 0x30
-			p[2] = byte(lin/10%126) + 0x81
-			p[3] = byte(lin%10) + 0x30
-			return 4, SUCCESS
-		}
-	}
-
-	p[0] = 0x1a
-	return 1, INVALID_CHAR
-}
-
-var gb18030Once sync.Once
-
-// Mapping from gb18039Linear values to Unicode.
-var gb18030LinearToUnicode []uint16
-
-var unicodeToGB18030 []uint32
-
-func buildGB18030Tables() {
-	gb18030LinearToUnicode = make([]uint16, maxGB18030Linear+1)
-	unicodeToGB18030 = make([]uint32, 65536)
-	for _, data := range gb18030Data {
-		gb18030LinearToUnicode[gb18030Linear(data.gb18030)] = data.unicode
-		unicodeToGB18030[data.unicode] = data.gb18030
-	}
-}