mirror of https://github.com/ouqiang/gocron
77 lines
1.2 KiB
Go
77 lines
1.2 KiB
Go
|
package mahonia
|
||
|
|
|
||
|
|
import (
|
||
|
|
"unicode/utf8"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Converters for Microsoft's version of the EUC-JP encoding
|
||
|
|
|
||
|
|
func init() {
|
||
|
|
RegisterCharset(&Charset{
|
||
|
|
Name: "cp51932",
|
||
|
|
Aliases: []string{"windows-51932"},
|
||
|
|
NewDecoder: func() Decoder {
|
||
|
|
return decodeCP51932
|
||
|
|
},
|
||
|
|
NewEncoder: func() Encoder {
|
||
|
|
msJISTable.Reverse()
|
||
|
|
return encodeCP51932
|
||
|
|
},
|
||
|
|
})
|
||
|
|
}
|
||
|
|
|
||
|
|
func decodeCP51932(p []byte) (c rune, size int, status Status) {
|
||
|
|
if len(p) == 0 {
|
||
|
|
return 0, 0, NO_ROOM
|
||
|
|
}
|
||
|
|
|
||
|
|
b := p[0]
|
||
|
|
switch {
|
||
|
|
case b < 0x80:
|
||
|
|
return rune(b), 1, SUCCESS
|
||
|
|
|
||
|
|
case b == 0x8e:
|
||
|
|
if len(p) < 2 {
|
||
|
|
return 0, 0, NO_ROOM
|
||
|
|
}
|
||
|
|
b2 := p[1]
|
||
|
|
if b2 < 0xa1 || b2 > 0xdf {
|
||
|
|
return utf8.RuneError, 1, INVALID_CHAR
|
||
|
|
}
|
||
|
|
return rune(b2) + (0xff61 - 0xa1), 2, SUCCESS
|
||
|
|
|
||
|
|
case 0xa1 <= b && b <= 0xfe:
|
||
|
|
return msJISTable.DecodeHigh(p)
|
||
|
|
}
|
||
|
|
|
||
|
|
return utf8.RuneError, 1, INVALID_CHAR
|
||
|
|
}
|
||
|
|
|
||
|
|
func encodeCP51932(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
|
||
|
|
}
|
||
|
|
|
||
|
|
if 0xff61 <= c && c <= 0xff9f {
|
||
|
|
p[0] = 0x8e
|
||
|
|
p[1] = byte(c - (0xff61 - 0xa1))
|
||
|
|
return 2, SUCCESS
|
||
|
|
}
|
||
|
|
|
||
|
|
return msJISTable.EncodeHigh(p, c)
|
||
|
|
}
|