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
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* COPYRIGHT AND PERMISSION NOTICE
*
* Copyright (c) 1991-2005 Unicode, Inc. All rights reserved. Distributed
* under the Terms of Use in http://www.unicode.org/copyright.html.
*
* This file has been modified by Sun Microsystems, Inc.
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <stdlib.h>
#include <errno.h>
#include <euc.h>
#include "japanese.h"
#include "jfp_iconv_unicode.h"
#ifdef JAVA_CONV_COMPAT
#define JFP_J2U_ICONV_JAVA
#elif JFP_ICONV_MS932
#define JFP_J2U_ICONV_MS932
#else
#define JFP_J2U_ICONV
#endif
#include "jfp_jis_to_ucs2.h"
void *
_icv_open(void)
{
return (_icv_open_unicode((size_t)0));
}
void
_icv_close(void *cd)
{
_icv_close_unicode(cd);
return;
}
size_t
_icv_iconv(void *cd, char **inbuf, size_t *inbytesleft,
char **outbuf, size_t *outbytesleft)
{
unsigned int uni; /* UTF-32 */
unsigned int index; /* index for table lookup */
unsigned char ic1, ic2; /* 1st and 2nd bytes of a char */
size_t rv = (size_t)0; /* return value of this function */
unsigned char *ip;
size_t ileft;
char *op;
size_t oleft;
/*
* If inbuf and/or *inbuf are NULL, reset conversion descriptor
* and put escape sequence if needed.
*/
if ((inbuf == NULL) || (*inbuf == NULL)) {
_icv_reset_unicode(cd);
return ((size_t)0);
}
ip = (unsigned char *)*inbuf;
ileft = *inbytesleft;
op = *outbuf;
oleft = *outbytesleft;
while (ileft != 0) {
NGET(ic1, "never fail here"); /* get 1st byte */
if (ISASC((int)ic1)) { /* ASCII; 1 byte */
uni = _jfp_tbl_jisx0201roman_to_ucs2[ic1];
PUTU(uni, "ASCII");
} else if (ISSJKANA(ic1)) { /* JIS X 0201 Kana; 1 byte */
uni = _jfp_tbl_jisx0201kana_to_ucs2[(ic1 - 0xa1)];
PUTU(uni, "KANA");
} else if (ISSJKANJI1(ic1)) { /* JIS X 0208 or UDC; 2 bytes */
NGET(ic2, "CS1-2 not available");
if (ISSJKANJI2(ic2)) {
ic1 = sjtojis1[(ic1 - 0x80)];
if (ic2 >= 0x9f) {
ic1++;
}
index = ((ic1 - 0x21) * 94)
+ (sjtojis2[ic2] - 0x21);
uni = _jfp_tbl_jisx0208_to_ucs2[index];
PUTU(uni, "KANJI");
} else { /* 2nd byte check failed */
RETERROR(EILSEQ, "EILSEQ at CS1-2")
/* NOTREACHED */
}
} else if (ISSJSUPKANJI1(ic1)) { /* VDC, 2 bytes */
NGET(ic2, "SUP-2 not available");
if (ISSJKANJI2(ic2)) {
ic1 = sjtojis1[(ic1 - 0x80)];
if (ic2 >= 0x9f) {
ic1++;
}
index = ((ic1 - 0x21) * 94)
+ (sjtojis2[ic2] - 0x21);
uni = _jfp_tbl_jisx0212_to_ucs2[index];
PUTU(uni, "SUPKANJI");
} else { /* 2nd byte check failed */
RETERROR(EILSEQ, "EILSEQ at CS1-2")
}
} else if (ISSJIBM(ic1) || /* Extended IBM char. area */
ISSJNECIBM(ic1)) { /* NEC/IBM char. area */
/*
* We need a special treatment for each codes.
* By adding some offset number for them, we
* can process them as the same way of that of
* extended IBM chars.
*/
NGET(ic2, "IBM-2 not available");
if (ISSJKANJI2(ic2)) {
unsigned short dest, upper, lower;
dest = (ic1 << 8) + ic2;
if ((0xed40 <= dest) && (dest <= 0xeffc)) {
REMAP_NEC(dest);
if (dest == 0xffff) {
RETERROR(EILSEQ, "invalid NEC")
}
}
/*
* XXX: 0xfa54 and 0xfa5b must be mapped
* to JIS0208 area. Therefore we
* have to do special treatment.
*/
if ((dest == 0xfa54) || (dest == 0xfa5b)) {
if (dest == 0xfa54) {
/* map to JIS X 0208 row 2 cell 44 "NOT SIGN" */
index = (2 - 1) * 94 + (44 - 1);
} else {
/* map to JIS X 0208 row 2 cell 72 "BECAUSE" */
index = (2 - 1) * 94 + (72 - 1);
}
uni = _jfp_tbl_jisx0208_to_ucs2[index];
PUTU(uni, "IBM");
} else {
dest = dest - 0xfa40 -
(((dest>>8) - 0xfa) * 0x40);
dest = sjtoibmext[dest];
if (dest == 0xffff) {
RETERROR(EILSEQ, "invalid IBM")
}
upper = ((dest >> 8) & 0x7f) - 0x21;
lower = (dest & 0x7f) - 0x21;
index = (unsigned int)(upper * 94 +
lower);
uni = _jfp_tbl_jisx0212_to_ucs2[index];
PUTU(uni, "IBM");
}
} else { /* 2nd byte check failed */
RETERROR(EILSEQ, "EILSEQ at IBM-2")
}
} else if ((0xeb <= ic1) && (ic1 <= 0xec)) {
/*
* Based on the draft convention of OSF-JVC CDEWG,
* characters in this area will be mapped to
* "CHIKAN-MOJI." (convertible character)
* We use U+FFFD in this case.
*/
NGET(ic2, "GAP-2 not available");
if (ISSJKANJI2(ic2)) {
uni = 0xfffd;
PUTU(uni, "GAP");
} else { /* 2nd byte check failed */
RETERROR(EILSEQ, "EILSEQ at GAP-2")
}
} else { /* 1st byte check failed */
RETERROR(EILSEQ, "EILSEQ at 1st")
}
/*
* One character successfully converted so update
* values outside of this function's stack.
*/
*inbuf = (char *)ip;
*inbytesleft = ileft;
*outbuf = op;
*outbytesleft = oleft;
}
ret:
DEBUGPRINTERROR
/*
* Return value for successful return is not defined by XPG
* so return same as *inbytesleft as existing codes do.
*/
return ((rv == (size_t)-1) ? rv : *inbytesleft);
}
|
