1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
/*
* _euc_jisx0213.c: the EUC-JISX0213 codec
*
* Written by Hye-Shik Chang <perky@FreeBSD.org>
* $CJKCodecs: _euc_jisx0213.c,v 1.2 2003/12/31 05:46:55 perky Exp $
*/
#define USING_BINARY_PAIR_SEARCH
#include "codeccommon.h"
#include "map_jisx0213_pairs.h"
ENCMAP(jisxcommon)
DECMAP(jisx0208)
DECMAP(jisx0212)
ENCMAP(jisx0213_bmp)
DECMAP(jisx0213_1_bmp)
DECMAP(jisx0213_2_bmp)
ENCMAP(jisx0213_emp)
DECMAP(jisx0213_1_emp)
DECMAP(jisx0213_2_emp)
#define EMPBASE 0x20000
ENCODER(euc_jisx0213)
{
while (inleft > 0) {
ucs4_t c = IN1;
DBCHAR code;
int insize;
if (c < 0x80) {
WRITE1(c)
NEXT(1, 1)
continue;
}
DECODE_SURROGATE(c)
insize = GET_INSIZE(c);
if (c <= 0xFFFF) {
/* try 0213 first because it might have MULTIC */
TRYMAP_ENC(jisx0213_bmp, code, c) {
if (code == MULTIC) {
if (inleft < 2) {
if (flags & MBENC_FLUSH) {
code = find_pairencmap((ucs2_t)c, 0,
jisx0213_pairencmap, JISX0213_ENCPAIRS);
if (code == DBCINV)
return 1;
} else
return MBERR_TOOFEW;
} else {
code = find_pairencmap((ucs2_t)c, (*inbuf)[1],
jisx0213_pairencmap, JISX0213_ENCPAIRS);
if (code == DBCINV) {
code = find_pairencmap((ucs2_t)c, 0,
jisx0213_pairencmap, JISX0213_ENCPAIRS);
if (code == DBCINV)
return 1;
} else
insize = 2;
}
}
} else TRYMAP_ENC(jisxcommon, code, c);
else if (c >= 0xff61 && c <= 0xff9f) {
/* JIS X 0201 half-width katakana */
WRITE2(0x8e, c - 0xfec0)
NEXT(1, 2)
continue;
} else if (c == 0xff3c)
/* F/W REVERSE SOLIDUS (see NOTES.euc-jisx0213) */
code = 0x2140;
else if (c == 0xff5e)
/* F/W TILDE (see NOTES.euc-jisx0213) */
code = 0x2232;
else
return 1;
} else if (c >> 16 == EMPBASE >> 16) {
TRYMAP_ENC(jisx0213_emp, code, c & 0xffff);
else return insize;
} else
return insize;
if (code & 0x8000) {
/* Codeset 2 */
WRITE3(0x8f, code >> 8, (code & 0xFF) | 0x80)
NEXT(insize, 3)
} else {
/* Codeset 1 */
WRITE2((code >> 8) | 0x80, (code & 0xFF) | 0x80)
NEXT(insize, 2)
}
}
return 0;
}
DECODER(euc_jisx0213)
{
while (inleft > 0) {
unsigned char c = IN1;
ucs4_t code;
RESERVE_OUTBUF(1)
if (c < 0x80) {
OUT1(c)
NEXT(1, 1)
continue;
}
if (c == 0x8e) {
/* JIS X 0201 half-width katakana */
unsigned char c2;
RESERVE_INBUF(2)
c2 = IN2;
if (c2 >= 0xa1 && c2 <= 0xdf) {
OUT1(0xfec0 + c2)
NEXT(2, 1)
} else
return 2;
} else if (c == 0x8f) {
unsigned char c2, c3;
RESERVE_INBUF(3)
c2 = IN2 ^ 0x80;
c3 = IN3 ^ 0x80;
/* JIS X 0213 Plane 2 or JIS X 0212 (see NOTES.euc-jisx0213) */
TRYMAP_DEC(jisx0213_2_bmp, **outbuf, c2, c3) ;
else TRYMAP_DEC(jisx0213_2_emp, code, c2, c3) {
PUTUCS4(EMPBASE | code)
NEXT_IN(3)
continue;
} else TRYMAP_DEC(jisx0212, **outbuf, c2, c3) ;
else return 3;
NEXT(3, 1)
} else {
unsigned char c2;
RESERVE_INBUF(2)
c ^= 0x80;
c2 = IN2 ^ 0x80;
/* JIS X 0213 Plane 1 */
if (c == 0x21 && c2 == 0x40) **outbuf = 0xff3c;
else if (c == 0x22 && c2 == 0x32) **outbuf = 0xff5e;
else TRYMAP_DEC(jisx0208, **outbuf, c, c2);
else TRYMAP_DEC(jisx0213_1_bmp, **outbuf, c, c2);
else TRYMAP_DEC(jisx0213_1_emp, code, c, c2) {
PUTUCS4(EMPBASE | code)
NEXT_IN(2)
continue;
} else TRYMAP_DEC(jisx0213_pair, code, c, c2) {
WRITE2(code >> 16, code & 0xffff)
NEXT(2, 2)
continue;
} else return 2;
NEXT(2, 1)
}
}
return 0;
}
#include "codecentry.h"
BEGIN_CODEC_REGISTRY(euc_jisx0213)
MAPOPEN(ja_JP)
IMPORTMAP_ENC(jisxcommon)
IMPORTMAP_DEC(jisx0208)
IMPORTMAP_DEC(jisx0212)
IMPORTMAP_ENC(jisx0213_bmp)
IMPORTMAP_DEC(jisx0213_1_bmp)
IMPORTMAP_DEC(jisx0213_2_bmp)
IMPORTMAP_ENC(jisx0213_emp)
IMPORTMAP_DEC(jisx0213_1_emp)
IMPORTMAP_DEC(jisx0213_2_emp)
MAPCLOSE()
END_CODEC_REGISTRY(euc_jisx0213)
|
