1 /*
2 * "streamable kanji code filter and converter"
3 * Copyright (c) 1998-2002 HappySize, Inc. All rights reserved.
4 *
5 * LICENSE NOTICES
6 *
7 * This file is part of "streamable kanji code filter and converter",
8 * which is distributed under the terms of GNU Lesser General Public
9 * License (version 2) as published by the Free Software Foundation.
10 *
11 * This software is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with "streamable kanji code filter and converter";
18 * if not, write to the Free Software Foundation, Inc., 59 Temple Place,
19 * Suite 330, Boston, MA 02111-1307 USA
20 *
21 * The author of this file:
22 *
23 */
24 /*
25 * The source code included in this files was separated from mbfilter.c
26 * by rui hrokawa <hirokawa@php.net> on 8 aug 2011.
27 *
28 */
29
30 #include "mbfilter.h"
31
32 #include "mbfilter_utf8_mobile.h"
33 #include "mbfilter_sjis_mobile.h"
34
35 extern int mbfl_filt_conv_utf8_wchar_flush(mbfl_convert_filter *filter);
36 extern int mbfl_filt_conv_sjis_mobile_flush(mbfl_convert_filter *filter);
37
38 extern const unsigned char mblen_table_utf8[];
39
40 static const char *mbfl_encoding_utf8_docomo_aliases[] = {"UTF-8-DOCOMO", "UTF8-DOCOMO", NULL};
41 static const char *mbfl_encoding_utf8_kddi_b_aliases[] = {"UTF-8-Mobile#KDDI", "UTF-8-KDDI", "UTF8-KDDI", NULL};
42 static const char *mbfl_encoding_utf8_sb_aliases[] = {"UTF-8-SOFTBANK", "UTF8-SOFTBANK", NULL};
43
44 const mbfl_encoding mbfl_encoding_utf8_docomo = {
45 mbfl_no_encoding_utf8_docomo,
46 "UTF-8-Mobile#DOCOMO",
47 "UTF-8",
48 mbfl_encoding_utf8_docomo_aliases,
49 mblen_table_utf8,
50 0,
51 &vtbl_utf8_docomo_wchar,
52 &vtbl_wchar_utf8_docomo,
53 NULL
54 };
55
56 const mbfl_encoding mbfl_encoding_utf8_kddi_a = {
57 mbfl_no_encoding_utf8_kddi_a,
58 "UTF-8-Mobile#KDDI-A",
59 "UTF-8",
60 NULL,
61 mblen_table_utf8,
62 0,
63 &vtbl_utf8_kddi_a_wchar,
64 &vtbl_wchar_utf8_kddi_a,
65 NULL
66 };
67
68 const mbfl_encoding mbfl_encoding_utf8_kddi_b = {
69 mbfl_no_encoding_utf8_kddi_b,
70 "UTF-8-Mobile#KDDI-B",
71 "UTF-8",
72 mbfl_encoding_utf8_kddi_b_aliases,
73 mblen_table_utf8,
74 0,
75 &vtbl_utf8_kddi_b_wchar,
76 &vtbl_wchar_utf8_kddi_b,
77 NULL
78 };
79
80 const mbfl_encoding mbfl_encoding_utf8_sb = {
81 mbfl_no_encoding_utf8_sb,
82 "UTF-8-Mobile#SOFTBANK",
83 "UTF-8",
84 mbfl_encoding_utf8_sb_aliases,
85 mblen_table_utf8,
86 0,
87 &vtbl_utf8_sb_wchar,
88 &vtbl_wchar_utf8_sb,
89 NULL
90 };
91
92 const struct mbfl_convert_vtbl vtbl_utf8_docomo_wchar = {
93 mbfl_no_encoding_utf8_docomo,
94 mbfl_no_encoding_wchar,
95 mbfl_filt_conv_common_ctor,
96 NULL,
97 mbfl_filt_conv_utf8_mobile_wchar,
98 mbfl_filt_conv_utf8_wchar_flush,
99 NULL,
100 };
101
102 const struct mbfl_convert_vtbl vtbl_wchar_utf8_docomo = {
103 mbfl_no_encoding_wchar,
104 mbfl_no_encoding_utf8_docomo,
105 mbfl_filt_conv_common_ctor,
106 NULL,
107 mbfl_filt_conv_wchar_utf8_mobile,
108 mbfl_filt_conv_sjis_mobile_flush,
109 NULL,
110 };
111
112 const struct mbfl_convert_vtbl vtbl_utf8_kddi_a_wchar = {
113 mbfl_no_encoding_utf8_kddi_a,
114 mbfl_no_encoding_wchar,
115 mbfl_filt_conv_common_ctor,
116 NULL,
117 mbfl_filt_conv_utf8_mobile_wchar,
118 mbfl_filt_conv_utf8_wchar_flush,
119 NULL,
120 };
121
122 const struct mbfl_convert_vtbl vtbl_wchar_utf8_kddi_a = {
123 mbfl_no_encoding_wchar,
124 mbfl_no_encoding_utf8_kddi_a,
125 mbfl_filt_conv_common_ctor,
126 NULL,
127 mbfl_filt_conv_wchar_utf8_mobile,
128 mbfl_filt_conv_sjis_mobile_flush,
129 NULL,
130 };
131
132 const struct mbfl_convert_vtbl vtbl_utf8_kddi_b_wchar = {
133 mbfl_no_encoding_utf8_kddi_b,
134 mbfl_no_encoding_wchar,
135 mbfl_filt_conv_common_ctor,
136 NULL,
137 mbfl_filt_conv_utf8_mobile_wchar,
138 mbfl_filt_conv_utf8_wchar_flush,
139 NULL,
140 };
141
142 const struct mbfl_convert_vtbl vtbl_wchar_utf8_kddi_b = {
143 mbfl_no_encoding_wchar,
144 mbfl_no_encoding_utf8_kddi_b,
145 mbfl_filt_conv_common_ctor,
146 NULL,
147 mbfl_filt_conv_wchar_utf8_mobile,
148 mbfl_filt_conv_sjis_mobile_flush,
149 NULL,
150 };
151
152 const struct mbfl_convert_vtbl vtbl_utf8_sb_wchar = {
153 mbfl_no_encoding_utf8_sb,
154 mbfl_no_encoding_wchar,
155 mbfl_filt_conv_common_ctor,
156 NULL,
157 mbfl_filt_conv_utf8_mobile_wchar,
158 mbfl_filt_conv_utf8_wchar_flush,
159 NULL,
160 };
161
162 const struct mbfl_convert_vtbl vtbl_wchar_utf8_sb = {
163 mbfl_no_encoding_wchar,
164 mbfl_no_encoding_utf8_sb,
165 mbfl_filt_conv_common_ctor,
166 NULL,
167 mbfl_filt_conv_wchar_utf8_mobile,
168 mbfl_filt_conv_sjis_mobile_flush,
169 NULL,
170 };
171
172 #define CK(statement) do { if ((statement) < 0) return (-1); } while (0)
173
174 extern int mbfl_filt_put_invalid_char(mbfl_convert_filter *filter);
175
mbfl_filt_conv_utf8_mobile_wchar(int c,mbfl_convert_filter * filter)176 int mbfl_filt_conv_utf8_mobile_wchar(int c, mbfl_convert_filter *filter)
177 {
178 int s, s1 = 0, c1 = 0, snd = 0;
179
180 retry:
181 switch (filter->status & 0xff) {
182 case 0x00:
183 if (c < 0x80) {
184 CK((*filter->output_function)(c, filter->data));
185 } else if (c >= 0xc2 && c <= 0xdf) { /* 2byte code first char: 0xc2-0xdf */
186 filter->status = 0x10;
187 filter->cache = c & 0x1f;
188 } else if (c >= 0xe0 && c <= 0xef) { /* 3byte code first char: 0xe0-0xef */
189 filter->status = 0x20;
190 filter->cache = c & 0xf;
191 } else if (c >= 0xf0 && c <= 0xf4) { /* 3byte code first char: 0xf0-0xf4 */
192 filter->status = 0x30;
193 filter->cache = c & 0x7;
194 } else {
195 CK(mbfl_filt_put_invalid_char(filter));
196 }
197 break;
198
199 case 0x10: /* 2byte code 2nd char: 0x80-0xbf */
200 case 0x21: /* 3byte code 3rd char: 0x80-0xbf */
201 case 0x32: /* 4byte code 4th char: 0x80-0xbf */
202 filter->status = 0;
203 if (c >= 0x80 && c <= 0xbf) {
204 s = (filter->cache << 6) | (c & 0x3f);
205 filter->cache = 0;
206
207 if (filter->from->no_encoding == mbfl_no_encoding_utf8_docomo && mbfilter_conv_r_map_tbl(s, &s1, mbfl_docomo2uni_pua, 4) > 0) {
208 s = mbfilter_sjis_emoji_docomo2unicode(s1, &snd);
209 } else if (filter->from->no_encoding == mbfl_no_encoding_utf8_kddi_a && mbfilter_conv_r_map_tbl(s, &s1, mbfl_kddi2uni_pua, 7) > 0) {
210 s = mbfilter_sjis_emoji_kddi2unicode(s1, &snd);
211 } else if (filter->from->no_encoding == mbfl_no_encoding_utf8_kddi_b && mbfilter_conv_r_map_tbl(s, &s1, mbfl_kddi2uni_pua_b, 8) > 0) {
212 s = mbfilter_sjis_emoji_kddi2unicode(s1, &snd);
213 } else if (filter->from->no_encoding == mbfl_no_encoding_utf8_sb && mbfilter_conv_r_map_tbl(s, &s1, mbfl_sb2uni_pua, 6) > 0) {
214 s = mbfilter_sjis_emoji_sb2unicode(s1, &snd);
215 }
216
217 if (snd > 0) {
218 CK((*filter->output_function)(snd, filter->data));
219 }
220 CK((*filter->output_function)(s, filter->data));
221 } else {
222 CK(mbfl_filt_put_invalid_char(filter));
223 goto retry;
224 }
225 break;
226
227 case 0x20: /* 3byte code 2nd char: 0:0xa0-0xbf,D:0x80-9F,1-C,E-F:0x80-0x9f */
228 s = (filter->cache << 6) | (c & 0x3f);
229 c1 = filter->cache & 0xf;
230
231 if ((c >= 0x80 && c <= 0xbf) &&
232 ((c1 == 0x0 && c >= 0xa0) ||
233 (c1 == 0xd && c < 0xa0) ||
234 (c1 > 0x0 && c1 != 0xd))) {
235 filter->cache = s;
236 filter->status++;
237 } else {
238 CK(mbfl_filt_put_invalid_char(filter));
239 goto retry;
240 }
241 break;
242
243 case 0x30: /* 4byte code 2nd char: 0:0x90-0xbf,1-3:0x80-0xbf,4:0x80-0x8f */
244 s = (filter->cache << 6) | (c & 0x3f);
245 c1 = filter->cache & 0x7;
246
247 if ((c >= 0x80 && c <= 0xbf) &&
248 ((c1 == 0x0 && c >= 0x90) ||
249 (c1 == 0x4 && c < 0x90) ||
250 (c1 > 0x0 && c1 != 0x4))) {
251 filter->cache = s;
252 filter->status++;
253 } else {
254 CK(mbfl_filt_put_invalid_char(filter));
255 goto retry;
256 }
257 break;
258
259 case 0x31: /* 4byte code 3rd char: 0x80-0xbf */
260 if (c >= 0x80 && c <= 0xbf) {
261 filter->cache = (filter->cache << 6) | (c & 0x3f);
262 filter->status++;
263 } else {
264 CK(mbfl_filt_put_invalid_char(filter));
265 goto retry;
266 }
267 break;
268 default:
269 filter->status = 0;
270 break;
271 }
272
273 return 0;
274 }
275
mbfl_filt_conv_wchar_utf8_mobile(int c,mbfl_convert_filter * filter)276 int mbfl_filt_conv_wchar_utf8_mobile(int c, mbfl_convert_filter *filter)
277 {
278 if (c >= 0 && c < 0x110000) {
279 int s1, c1;
280
281 if ((filter->to->no_encoding == mbfl_no_encoding_utf8_docomo && mbfilter_unicode2sjis_emoji_docomo(c, &s1, filter) > 0 && mbfilter_conv_map_tbl(s1, &c1, mbfl_docomo2uni_pua, 4) > 0) ||
282 (filter->to->no_encoding == mbfl_no_encoding_utf8_kddi_a && mbfilter_unicode2sjis_emoji_kddi(c, &s1, filter) > 0 && mbfilter_conv_map_tbl(s1, &c1, mbfl_kddi2uni_pua, 7) > 0) ||
283 (filter->to->no_encoding == mbfl_no_encoding_utf8_kddi_b && mbfilter_unicode2sjis_emoji_kddi(c, &s1, filter) > 0 && mbfilter_conv_map_tbl(s1, &c1, mbfl_kddi2uni_pua_b, 8) > 0) ||
284 (filter->to->no_encoding == mbfl_no_encoding_utf8_sb && mbfilter_unicode2sjis_emoji_sb(c, &s1, filter) > 0 && mbfilter_conv_map_tbl(s1, &c1, mbfl_sb2uni_pua, 6) > 0)) {
285 c = c1;
286 }
287
288 if (filter->status) {
289 return 0;
290 }
291
292 if (c < 0x80) {
293 CK((*filter->output_function)(c, filter->data));
294 } else if (c < 0x800) {
295 CK((*filter->output_function)(((c >> 6) & 0x1f) | 0xc0, filter->data));
296 CK((*filter->output_function)((c & 0x3f) | 0x80, filter->data));
297 } else if (c < 0x10000) {
298 CK((*filter->output_function)(((c >> 12) & 0x0f) | 0xe0, filter->data));
299 CK((*filter->output_function)(((c >> 6) & 0x3f) | 0x80, filter->data));
300 CK((*filter->output_function)((c & 0x3f) | 0x80, filter->data));
301 } else {
302 CK((*filter->output_function)(((c >> 18) & 0x07) | 0xf0, filter->data));
303 CK((*filter->output_function)(((c >> 12) & 0x3f) | 0x80, filter->data));
304 CK((*filter->output_function)(((c >> 6) & 0x3f) | 0x80, filter->data));
305 CK((*filter->output_function)((c & 0x3f) | 0x80, filter->data));
306 }
307 } else {
308 CK(mbfl_filt_conv_illegal_output(c, filter));
309 }
310
311 return 0;
312 }
313
