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89 lines
1.3 KiB
89 lines
1.3 KiB
package mahonia
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// Converters for the EUC-KR encoding.
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import (
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"unicode/utf8"
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)
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func init() {
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RegisterCharset(&Charset{
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Name: "EUC-KR",
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Aliases: []string{
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"ibm-1363",
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"KS_C_5601-1987",
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"KS_C_5601-1989",
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"KSC_5601",
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"Korean",
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"iso-ir-149",
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"cp1363",
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"5601",
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"ksc",
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"windows-949",
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"ibm-970",
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"cp970",
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"970",
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"cp949",
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},
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NewDecoder: func() Decoder {
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return decodeEucKr
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},
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NewEncoder: func() Encoder {
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eucKrOnce.Do(reverseEucKrTable)
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return encodeEucKr
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},
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})
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}
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func decodeEucKr(p []byte) (c rune, size int, status Status) {
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if len(p) == 0 {
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return 0, 0, NO_ROOM
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}
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b := p[0]
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if b < 0x80 {
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return rune(b), 1, SUCCESS
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}
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if len(p) < 2 {
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return 0, 0, NO_ROOM
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}
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euc := int(b)<<8 + int(p[1])
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c = rune(eucKrToUnicode[euc])
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if c == 0 {
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return utf8.RuneError, 2, INVALID_CHAR
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}
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return c, 2, SUCCESS
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}
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func encodeEucKr(p []byte, c rune) (size int, status Status) {
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if len(p) == 0 {
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return 0, NO_ROOM
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}
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if c < 0x80 {
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p[0] = byte(c)
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return 1, SUCCESS
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}
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if len(p) < 2 {
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return 0, NO_ROOM
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}
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if c > 0xffff {
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p[0] = '?'
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return 1, INVALID_CHAR
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}
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euc := unicodeToEucKr[c]
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if euc == 0 {
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p[0] = '?'
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return 1, INVALID_CHAR
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}
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p[0] = byte(euc >> 8)
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p[1] = byte(euc)
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return 2, SUCCESS
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}
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