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