Annotation of embedaddon/php/ext/mbstring/libmbfl/filters/mbfilter_utf8_mobile.c, revision 1.1.1.1
1.1 misho 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: #ifdef HAVE_CONFIG_H
31: #include "config.h"
32: #endif
33:
34: #include "mbfilter.h"
35:
36: #include "mbfilter_utf8_mobile.h"
37: #include "mbfilter_sjis_mobile.h"
38:
39: extern int mbfl_filt_ident_utf8(int c, mbfl_identify_filter *filter);
40:
41: extern const unsigned char mblen_table_utf8[];
42:
43: static const char *mbfl_encoding_utf8_docomo_aliases[] = {"UTF-8-DOCOMO", "UTF8-DOCOMO", NULL};
44: static const char *mbfl_encoding_utf8_kddi_a_aliases[] = {NULL};
45: static const char *mbfl_encoding_utf8_kddi_b_aliases[] = {"UTF-8-Mobile#KDDI", "UTF-8-KDDI", "UTF8-KDDI", NULL};
46: static const char *mbfl_encoding_utf8_sb_aliases[] = {"UTF-8-SOFTBANK", "UTF8-SOFTBANK", NULL};
47:
48: const mbfl_encoding mbfl_encoding_utf8_docomo = {
49: mbfl_no_encoding_utf8_docomo,
50: "UTF-8-Mobile#DOCOMO",
51: "UTF-8",
52: (const char *(*)[])&mbfl_encoding_utf8_docomo_aliases,
53: mblen_table_utf8,
54: MBFL_ENCTYPE_MBCS
55: };
56:
57: const mbfl_encoding mbfl_encoding_utf8_kddi_a = {
58: mbfl_no_encoding_utf8_kddi_a,
59: "UTF-8-Mobile#KDDI-A",
60: "UTF-8",
61: (const char *(*)[])&mbfl_encoding_utf8_kddi_a_aliases,
62: mblen_table_utf8,
63: MBFL_ENCTYPE_MBCS
64: };
65:
66: const mbfl_encoding mbfl_encoding_utf8_kddi_b = {
67: mbfl_no_encoding_utf8_kddi_b,
68: "UTF-8-Mobile#KDDI-B",
69: "UTF-8",
70: (const char *(*)[])&mbfl_encoding_utf8_kddi_b_aliases,
71: mblen_table_utf8,
72: MBFL_ENCTYPE_MBCS
73: };
74:
75: const mbfl_encoding mbfl_encoding_utf8_sb = {
76: mbfl_no_encoding_utf8_sb,
77: "UTF-8-Mobile#SOFTBANK",
78: "UTF-8",
79: (const char *(*)[])&mbfl_encoding_utf8_sb_aliases,
80: mblen_table_utf8,
81: MBFL_ENCTYPE_MBCS
82: };
83:
84: const struct mbfl_identify_vtbl vtbl_identify_utf8_docomo = {
85: mbfl_no_encoding_utf8_docomo,
86: mbfl_filt_ident_common_ctor,
87: mbfl_filt_ident_common_dtor,
88: mbfl_filt_ident_utf8
89: };
90:
91: const struct mbfl_identify_vtbl vtbl_identify_utf8_kddi_a = {
92: mbfl_no_encoding_utf8_kddi_a,
93: mbfl_filt_ident_common_ctor,
94: mbfl_filt_ident_common_dtor,
95: mbfl_filt_ident_utf8
96: };
97:
98: const struct mbfl_identify_vtbl vtbl_identify_utf8_kddi_b = {
99: mbfl_no_encoding_utf8_kddi_b,
100: mbfl_filt_ident_common_ctor,
101: mbfl_filt_ident_common_dtor,
102: mbfl_filt_ident_utf8
103: };
104:
105: const struct mbfl_identify_vtbl vtbl_identify_utf8_sb = {
106: mbfl_no_encoding_utf8_sb,
107: mbfl_filt_ident_common_ctor,
108: mbfl_filt_ident_common_dtor,
109: mbfl_filt_ident_utf8
110: };
111:
112: const struct mbfl_convert_vtbl vtbl_utf8_docomo_wchar = {
113: mbfl_no_encoding_utf8_docomo,
114: mbfl_no_encoding_wchar,
115: mbfl_filt_conv_common_ctor,
116: mbfl_filt_conv_common_dtor,
117: mbfl_filt_conv_utf8_mobile_wchar,
118: mbfl_filt_conv_common_flush
119: };
120:
121: const struct mbfl_convert_vtbl vtbl_wchar_utf8_docomo = {
122: mbfl_no_encoding_wchar,
123: mbfl_no_encoding_utf8_docomo,
124: mbfl_filt_conv_common_ctor,
125: mbfl_filt_conv_common_dtor,
126: mbfl_filt_conv_wchar_utf8_mobile,
127: mbfl_filt_conv_common_flush
128: };
129:
130: const struct mbfl_convert_vtbl vtbl_utf8_kddi_a_wchar = {
131: mbfl_no_encoding_utf8_kddi_a,
132: mbfl_no_encoding_wchar,
133: mbfl_filt_conv_common_ctor,
134: mbfl_filt_conv_common_dtor,
135: mbfl_filt_conv_utf8_mobile_wchar,
136: mbfl_filt_conv_common_flush
137: };
138:
139: const struct mbfl_convert_vtbl vtbl_wchar_utf8_kddi_a = {
140: mbfl_no_encoding_wchar,
141: mbfl_no_encoding_utf8_kddi_a,
142: mbfl_filt_conv_common_ctor,
143: mbfl_filt_conv_common_dtor,
144: mbfl_filt_conv_wchar_utf8_mobile,
145: mbfl_filt_conv_common_flush
146: };
147:
148: const struct mbfl_convert_vtbl vtbl_utf8_kddi_b_wchar = {
149: mbfl_no_encoding_utf8_kddi_b,
150: mbfl_no_encoding_wchar,
151: mbfl_filt_conv_common_ctor,
152: mbfl_filt_conv_common_dtor,
153: mbfl_filt_conv_utf8_mobile_wchar,
154: mbfl_filt_conv_common_flush
155: };
156:
157: const struct mbfl_convert_vtbl vtbl_wchar_utf8_kddi_b = {
158: mbfl_no_encoding_wchar,
159: mbfl_no_encoding_utf8_kddi_b,
160: mbfl_filt_conv_common_ctor,
161: mbfl_filt_conv_common_dtor,
162: mbfl_filt_conv_wchar_utf8_mobile,
163: mbfl_filt_conv_common_flush
164: };
165:
166: const struct mbfl_convert_vtbl vtbl_utf8_sb_wchar = {
167: mbfl_no_encoding_utf8_sb,
168: mbfl_no_encoding_wchar,
169: mbfl_filt_conv_common_ctor,
170: mbfl_filt_conv_common_dtor,
171: mbfl_filt_conv_utf8_mobile_wchar,
172: mbfl_filt_conv_common_flush
173: };
174:
175: const struct mbfl_convert_vtbl vtbl_wchar_utf8_sb = {
176: mbfl_no_encoding_wchar,
177: mbfl_no_encoding_utf8_sb,
178: mbfl_filt_conv_common_ctor,
179: mbfl_filt_conv_common_dtor,
180: mbfl_filt_conv_wchar_utf8_mobile,
181: mbfl_filt_conv_common_flush
182: };
183:
184: #define CK(statement) do { if ((statement) < 0) return (-1); } while (0)
185:
186: /*
187: * UTF-8 => wchar
188: */
189: int mbfl_filt_conv_utf8_mobile_wchar(int c, mbfl_convert_filter *filter)
190: {
191: int s, w = 0, flag = 0;
192: int s1 = 0, c1 = 0, snd = 0;
193:
194: if (c < 0x80) {
195: if (c >= 0) {
196: CK((*filter->output_function)(c, filter->data));
197: }
198: filter->status = 0;
199: } else if (c < 0xc0) {
200: int status = filter->status & 0xff;
201: switch (status) {
202: case 0x10: /* 2byte code 2nd char: 0x80-0xbf */
203: case 0x21: /* 3byte code 3rd char: 0x80-0xbf */
204: case 0x32: /* 4byte code 4th char: 0x80-0xbf */
205: filter->status = 0;
206: s = filter->cache | (c & 0x3f);
207: filter->cache = 0;
208: if ((status == 0x10 && s >= 0x80) ||
209: (status == 0x21 && s >= 0x800 && (s < 0xd800 || s > 0xdfff)) ||
210: (status == 0x32 && s >= 0x10000 && s < 0x110000)) {
211:
212: if (filter->from->no_encoding == mbfl_no_encoding_utf8_docomo &&
213: mbfilter_conv_r_map_tbl(s, &s1, mbfl_docomo2uni_pua, 4) > 0) {
214: s = mbfilter_sjis_emoji_docomo2unicode(s1, &snd);
215: } else if (filter->from->no_encoding == mbfl_no_encoding_utf8_kddi_a &&
216: mbfilter_conv_r_map_tbl(s, &s1, mbfl_kddi2uni_pua, 7) > 0) {
217: s = mbfilter_sjis_emoji_kddi2unicode(s1, &snd);
218: } else if (filter->from->no_encoding == mbfl_no_encoding_utf8_kddi_b &&
219: mbfilter_conv_r_map_tbl(s, &s1, mbfl_kddi2uni_pua_b, 8) > 0) {
220: s = mbfilter_sjis_emoji_kddi2unicode(s1, &snd);
221: } else if (filter->from->no_encoding == mbfl_no_encoding_utf8_sb &&
222: mbfilter_conv_r_map_tbl(s, &s1, mbfl_sb2uni_pua, 6) > 0) {
223: s = mbfilter_sjis_emoji_sb2unicode(s1, &snd);
224: }
225:
226: if (snd > 0) {
227: CK((*filter->output_function)(snd, filter->data));
228: }
229: CK((*filter->output_function)(s, filter->data));
230: } else {
231: w = s & MBFL_WCSGROUP_MASK;
232: flag = 1;
233: }
234: break;
235: case 0x20: /* 3byte code 2nd char: 0:0xa0-0xbf,D:0x80-9F,1-C,E-F:0x80-0x9f */
236: s = filter->cache | ((c & 0x3f) << 6);
237: c1 = (s >> 12) & 0xf;
238: if ((c1 == 0x0 && c >= 0xa0) ||
239: (c1 == 0xd && c < 0xa0) ||
240: (c1 > 0x0 && c1 != 0xd)) {
241: filter->cache = s;
242: filter->status++;
243: } else {
244: w = s & MBFL_WCSGROUP_MASK;
245: flag = 1;
246: }
247: break;
248: case 0x31: /* 4byte code 3rd char: 0x80-0xbf */
249: filter->cache |= ((c & 0x3f) << 6);
250: filter->status++;
251: break;
252: case 0x30: /* 4byte code 2nd char: 0:0x90-0xbf,1-3:0x80-0xbf,4:0x80-0x8f */
253: s = filter->cache | ((c & 0x3f) << 12);
254: c1 = (s >> 18) & 0x7;
255: if ((c1 == 0x0 && c >= 0x90) ||
256: (c1 > 0x0 && c1 < 0x4) ||
257: (c1 == 0x4 && c < 0x90)) {
258: filter->cache = s;
259: filter->status++;
260: } else {
261: w = s & MBFL_WCSGROUP_MASK;
262: flag = 1;
263: }
264: break;
265: default:
266: w = c & MBFL_WCSGROUP_MASK;
267: flag = 1;
268: break;
269: }
270: } else if (c < 0xc2) { /* invalid: 0xc0,0xc1 */
271: w = c & MBFL_WCSGROUP_MASK;
272: flag = 1;
273: } else if (c < 0xe0) { /* 2byte code first char: 0xc2-0xdf */
274: if (filter->status == 0x0) {
275: filter->status = 0x10;
276: filter->cache = (c & 0x1f) << 6;
277: } else {
278: w = c & MBFL_WCSGROUP_MASK;
279: flag = 1;
280: }
281: } else if (c < 0xf0) { /* 3byte code first char: 0xe0-0xef */
282: if (filter->status == 0x0) {
283: filter->status = 0x20;
284: filter->cache = (c & 0xf) << 12;
285: } else {
286: w = c & MBFL_WCSGROUP_MASK;
287: flag = 1;
288: }
289: } else if (c < 0xf5) { /* 4byte code first char: 0xf0-0xf4 */
290: if (filter->status == 0x0) {
291: filter->status = 0x30;
292: filter->cache = (c & 0x7) << 18;
293: } else {
294: w = c & MBFL_WCSGROUP_MASK;
295: flag = 1;
296: }
297: } else {
298: w = c & MBFL_WCSGROUP_MASK;
299: flag = 1;
300: }
301:
302: if (flag) {
303: w |= MBFL_WCSGROUP_THROUGH;
304: CK((*filter->output_function)(w, filter->data));
305: filter->status = 0;
306: filter->cache = 0;
307: }
308:
309: return c;
310: }
311:
312: /*
313: * wchar => UTF-8
314: */
315: int mbfl_filt_conv_wchar_utf8_mobile(int c, mbfl_convert_filter *filter)
316: {
317: if (c >= 0 && c < 0x110000) {
318: int s1, c1;
319:
320: if ((filter->to->no_encoding == mbfl_no_encoding_utf8_docomo &&
321: mbfilter_unicode2sjis_emoji_docomo(c, &s1, filter) > 0 &&
322: mbfilter_conv_map_tbl(s1, &c1, mbfl_docomo2uni_pua, 4) > 0) ||
323: (filter->to->no_encoding == mbfl_no_encoding_utf8_kddi_a &&
324: mbfilter_unicode2sjis_emoji_kddi(c, &s1, filter) > 0 &&
325: mbfilter_conv_map_tbl(s1, &c1, mbfl_kddi2uni_pua, 7) > 0) ||
326: (filter->to->no_encoding == mbfl_no_encoding_utf8_kddi_b &&
327: mbfilter_unicode2sjis_emoji_kddi(c, &s1, filter) > 0 &&
328: mbfilter_conv_map_tbl(s1, &c1, mbfl_kddi2uni_pua_b, 8) > 0) ||
329: (filter->to->no_encoding == mbfl_no_encoding_utf8_sb &&
330: mbfilter_unicode2sjis_emoji_sb(c, &s1, filter) > 0 &&
331: mbfilter_conv_map_tbl(s1, &c1, mbfl_sb2uni_pua, 6) > 0)) {
332: c = c1;
333: }
334:
335: if (filter->status == 1 && filter->cache > 0) {
336: return c;
337: }
338:
339: if (c < 0x80) {
340: CK((*filter->output_function)(c, filter->data));
341: } else if (c < 0x800) {
342: CK((*filter->output_function)(((c >> 6) & 0x1f) | 0xc0, filter->data));
343: CK((*filter->output_function)((c & 0x3f) | 0x80, filter->data));
344: } else if (c < 0x10000) {
345: CK((*filter->output_function)(((c >> 12) & 0x0f) | 0xe0, filter->data));
346: CK((*filter->output_function)(((c >> 6) & 0x3f) | 0x80, filter->data));
347: CK((*filter->output_function)((c & 0x3f) | 0x80, filter->data));
348: } else {
349: CK((*filter->output_function)(((c >> 18) & 0x07) | 0xf0, filter->data));
350: CK((*filter->output_function)(((c >> 12) & 0x3f) | 0x80, filter->data));
351: CK((*filter->output_function)(((c >> 6) & 0x3f) | 0x80, filter->data));
352: CK((*filter->output_function)((c & 0x3f) | 0x80, filter->data));
353: }
354: } else {
355: if (filter->illegal_mode != MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE) {
356: CK(mbfl_filt_conv_illegal_output(c, filter));
357: }
358: }
359:
360: return c;
361: }
362:
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