1
2 #line 1 "hb-buffer-deserialize-text-unicode.rl"
3 /*
4 * Copyright © 2013 Google, Inc.
5 *
6 * This is part of HarfBuzz, a text shaping library.
7 *
8 * Permission is hereby granted, without written agreement and without
9 * license or royalty fees, to use, copy, modify, and distribute this
10 * software and its documentation for any purpose, provided that the
11 * above copyright notice and the following two paragraphs appear in
12 * all copies of this software.
13 *
14 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
15 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
16 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
17 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
18 * DAMAGE.
19 *
20 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
21 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
22 * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
23 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
24 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
25 *
26 * Google Author(s): Behdad Esfahbod
27 */
28
29 #ifndef HB_BUFFER_DESERIALIZE_TEXT_UNICODE_HH
30 #define HB_BUFFER_DESERIALIZE_TEXT_UNICODE_HH
31
32 #include "hb.hh"
33
34
35 #line 36 "hb-buffer-deserialize-text-unicode.hh"
36 static const unsigned char _deserialize_text_unicode_trans_keys[] = {
37 0u, 0u, 9u, 117u, 43u, 102u, 48u, 102u, 48u, 57u, 9u, 124u, 9u, 124u, 9u, 124u,
38 9u, 124u, 0
39 };
40
41 static const char _deserialize_text_unicode_key_spans[] = {
42 0, 109, 60, 55, 10, 116, 116, 116,
43 116
44 };
45
46 static const short _deserialize_text_unicode_index_offsets[] = {
47 0, 0, 110, 171, 227, 238, 355, 472,
48 589
49 };
50
51 static const char _deserialize_text_unicode_indicies[] = {
52 0, 0, 0, 0, 0, 1, 1,
53 1, 1, 1, 1, 1, 1, 1, 1,
54 1, 1, 1, 1, 1, 1, 1, 1,
55 0, 1, 1, 1, 1, 1, 1, 1,
56 1, 1, 1, 1, 1, 1, 1, 1,
57 1, 1, 1, 1, 1, 1, 1, 1,
58 1, 1, 1, 1, 1, 1, 1, 1,
59 1, 1, 1, 1, 1, 1, 1, 1,
60 1, 1, 1, 1, 1, 1, 1, 1,
61 1, 1, 1, 1, 1, 2, 1, 1,
62 1, 1, 1, 1, 1, 1, 1, 1,
63 1, 1, 1, 1, 1, 1, 1, 1,
64 1, 1, 1, 1, 1, 1, 1, 1,
65 1, 1, 1, 1, 1, 2, 1, 3,
66 1, 1, 1, 1, 4, 4, 4, 4,
67 4, 4, 4, 4, 4, 4, 1, 1,
68 1, 1, 1, 1, 1, 4, 4, 4,
69 4, 4, 4, 1, 1, 1, 1, 1,
70 1, 1, 1, 1, 1, 1, 1, 1,
71 1, 1, 1, 1, 1, 1, 1, 1,
72 1, 1, 1, 1, 1, 4, 4, 4,
73 4, 4, 4, 1, 4, 4, 4, 4,
74 4, 4, 4, 4, 4, 4, 1, 1,
75 1, 1, 1, 1, 1, 4, 4, 4,
76 4, 4, 4, 1, 1, 1, 1, 1,
77 1, 1, 1, 1, 1, 1, 1, 1,
78 1, 1, 1, 1, 1, 1, 1, 1,
79 1, 1, 1, 1, 1, 4, 4, 4,
80 4, 4, 4, 1, 5, 6, 6, 6,
81 6, 6, 6, 6, 6, 6, 1, 7,
82 7, 7, 7, 7, 1, 1, 1, 1,
83 1, 1, 1, 1, 1, 1, 1, 1,
84 1, 1, 1, 1, 1, 1, 7, 1,
85 1, 1, 1, 1, 1, 1, 1, 1,
86 1, 1, 1, 1, 1, 1, 8, 8,
87 8, 8, 8, 8, 8, 8, 8, 8,
88 1, 1, 1, 9, 1, 1, 1, 8,
89 8, 8, 8, 8, 8, 1, 1, 1,
90 1, 1, 1, 1, 1, 1, 1, 1,
91 1, 1, 1, 1, 1, 1, 1, 1,
92 1, 1, 1, 1, 1, 1, 1, 8,
93 8, 8, 8, 8, 8, 1, 1, 1,
94 1, 1, 1, 1, 1, 1, 1, 1,
95 1, 1, 1, 1, 1, 1, 1, 1,
96 1, 1, 10, 1, 11, 11, 11, 11,
97 11, 1, 1, 1, 1, 1, 1, 1,
98 1, 1, 1, 1, 1, 1, 1, 1,
99 1, 1, 1, 11, 1, 1, 1, 1,
100 1, 1, 1, 1, 1, 1, 1, 1,
101 1, 1, 1, 1, 1, 1, 1, 1,
102 1, 1, 1, 1, 1, 1, 1, 1,
103 1, 1, 1, 1, 1, 1, 1, 1,
104 1, 1, 1, 1, 1, 1, 1, 1,
105 1, 1, 1, 1, 1, 1, 1, 1,
106 1, 1, 1, 1, 1, 1, 1, 1,
107 1, 1, 1, 1, 1, 1, 1, 1,
108 1, 1, 1, 1, 1, 1, 1, 1,
109 1, 1, 1, 1, 1, 1, 1, 1,
110 1, 1, 1, 1, 1, 1, 1, 0,
111 1, 12, 12, 12, 12, 12, 1, 1,
112 1, 1, 1, 1, 1, 1, 1, 1,
113 1, 1, 1, 1, 1, 1, 1, 1,
114 12, 1, 1, 1, 1, 1, 1, 1,
115 1, 1, 1, 1, 1, 1, 1, 1,
116 1, 1, 1, 1, 1, 1, 1, 1,
117 1, 1, 1, 1, 1, 1, 1, 1,
118 1, 1, 1, 1, 1, 1, 1, 1,
119 1, 1, 1, 1, 1, 1, 1, 1,
120 1, 1, 1, 1, 1, 1, 1, 1,
121 1, 1, 1, 1, 1, 1, 1, 1,
122 1, 1, 1, 1, 1, 1, 1, 1,
123 1, 1, 1, 1, 1, 1, 1, 1,
124 1, 1, 1, 1, 1, 1, 1, 1,
125 1, 1, 1, 1, 13, 1, 12, 12,
126 12, 12, 12, 1, 1, 1, 1, 1,
127 1, 1, 1, 1, 1, 1, 1, 1,
128 1, 1, 1, 1, 1, 12, 1, 1,
129 1, 1, 1, 1, 1, 1, 1, 1,
130 1, 1, 1, 1, 1, 14, 14, 14,
131 14, 14, 14, 14, 14, 14, 14, 1,
132 1, 1, 1, 1, 1, 1, 1, 1,
133 1, 1, 1, 1, 1, 1, 1, 1,
134 1, 1, 1, 1, 1, 1, 1, 1,
135 1, 1, 1, 1, 1, 1, 1, 1,
136 1, 1, 1, 1, 1, 1, 1, 1,
137 1, 1, 1, 1, 1, 1, 1, 1,
138 1, 1, 1, 1, 1, 1, 1, 1,
139 1, 1, 1, 1, 1, 1, 1, 1,
140 1, 13, 1, 0
141 };
142
143 static const char _deserialize_text_unicode_trans_targs[] = {
144 1, 0, 2, 3, 5, 7, 8, 6,
145 5, 4, 1, 6, 6, 1, 8
146 };
147
148 static const char _deserialize_text_unicode_trans_actions[] = {
149 0, 0, 1, 0, 2, 2, 2, 3,
150 0, 4, 3, 0, 5, 5, 0
151 };
152
153 static const char _deserialize_text_unicode_eof_actions[] = {
154 0, 0, 0, 0, 0, 3, 0, 5,
155 5
156 };
157
158 static const int deserialize_text_unicode_start = 1;
159 static const int deserialize_text_unicode_first_final = 5;
160 static const int deserialize_text_unicode_error = 0;
161
162 static const int deserialize_text_unicode_en_main = 1;
163
164
165 #line 79 "hb-buffer-deserialize-text-unicode.rl"
166
167
168 static hb_bool_t
_hb_buffer_deserialize_text_unicode(hb_buffer_t * buffer,const char * buf,unsigned int buf_len,const char ** end_ptr,hb_font_t * font)169 _hb_buffer_deserialize_text_unicode (hb_buffer_t *buffer,
170 const char *buf,
171 unsigned int buf_len,
172 const char **end_ptr,
173 hb_font_t *font)
174 {
175 const char *p = buf, *pe = buf + buf_len, *eof = pe, *orig_pe = pe;
176
177 while (p < pe && ISSPACE (*p))
178 p++;
179 if (p < pe && *p == (buffer->len ? '|' : '<'))
180 *end_ptr = ++p;
181
182 const char *end = strchr ((char *) p, '>');
183 if (end)
184 pe = eof = end;
185 else
186 {
187 end = strrchr ((char *) p, '|');
188 if (end)
189 pe = eof = end;
190 else
191 pe = eof = p;
192 }
193
194
195 const char *tok = nullptr;
196 int cs;
197 hb_glyph_info_t info = {0};
198 const hb_glyph_position_t pos = {0};
199
200 #line 201 "hb-buffer-deserialize-text-unicode.hh"
201 {
202 cs = deserialize_text_unicode_start;
203 }
204
205 #line 206 "hb-buffer-deserialize-text-unicode.hh"
206 {
207 int _slen;
208 int _trans;
209 const unsigned char *_keys;
210 const char *_inds;
211 if ( p == pe )
212 goto _test_eof;
213 if ( cs == 0 )
214 goto _out;
215 _resume:
216 _keys = _deserialize_text_unicode_trans_keys + (cs<<1);
217 _inds = _deserialize_text_unicode_indicies + _deserialize_text_unicode_index_offsets[cs];
218
219 _slen = _deserialize_text_unicode_key_spans[cs];
220 _trans = _inds[ _slen > 0 && _keys[0] <=(*p) &&
221 (*p) <= _keys[1] ?
222 (*p) - _keys[0] : _slen ];
223
224 cs = _deserialize_text_unicode_trans_targs[_trans];
225
226 if ( _deserialize_text_unicode_trans_actions[_trans] == 0 )
227 goto _again;
228
229 switch ( _deserialize_text_unicode_trans_actions[_trans] ) {
230 case 1:
231 #line 38 "hb-buffer-deserialize-text-unicode.rl"
232 {
233 hb_memset (&info, 0, sizeof (info));
234 }
235 break;
236 case 2:
237 #line 51 "hb-buffer-deserialize-text-unicode.rl"
238 {
239 tok = p;
240 }
241 break;
242 case 4:
243 #line 55 "hb-buffer-deserialize-text-unicode.rl"
244 {if (!parse_hex (tok, p, &info.codepoint )) return false; }
245 break;
246 case 3:
247 #line 55 "hb-buffer-deserialize-text-unicode.rl"
248 {if (!parse_hex (tok, p, &info.codepoint )) return false; }
249 #line 42 "hb-buffer-deserialize-text-unicode.rl"
250 {
251 buffer->add_info (info);
252 if (unlikely (!buffer->successful))
253 return false;
254 if (buffer->have_positions)
255 buffer->pos[buffer->len - 1] = pos;
256 *end_ptr = p;
257 }
258 break;
259 case 5:
260 #line 57 "hb-buffer-deserialize-text-unicode.rl"
261 { if (!parse_uint (tok, p, &info.cluster )) return false; }
262 #line 42 "hb-buffer-deserialize-text-unicode.rl"
263 {
264 buffer->add_info (info);
265 if (unlikely (!buffer->successful))
266 return false;
267 if (buffer->have_positions)
268 buffer->pos[buffer->len - 1] = pos;
269 *end_ptr = p;
270 }
271 break;
272 #line 273 "hb-buffer-deserialize-text-unicode.hh"
273 }
274
275 _again:
276 if ( cs == 0 )
277 goto _out;
278 if ( ++p != pe )
279 goto _resume;
280 _test_eof: {}
281 if ( p == eof )
282 {
283 switch ( _deserialize_text_unicode_eof_actions[cs] ) {
284 case 3:
285 #line 55 "hb-buffer-deserialize-text-unicode.rl"
286 {if (!parse_hex (tok, p, &info.codepoint )) return false; }
287 #line 42 "hb-buffer-deserialize-text-unicode.rl"
288 {
289 buffer->add_info (info);
290 if (unlikely (!buffer->successful))
291 return false;
292 if (buffer->have_positions)
293 buffer->pos[buffer->len - 1] = pos;
294 *end_ptr = p;
295 }
296 break;
297 case 5:
298 #line 57 "hb-buffer-deserialize-text-unicode.rl"
299 { if (!parse_uint (tok, p, &info.cluster )) return false; }
300 #line 42 "hb-buffer-deserialize-text-unicode.rl"
301 {
302 buffer->add_info (info);
303 if (unlikely (!buffer->successful))
304 return false;
305 if (buffer->have_positions)
306 buffer->pos[buffer->len - 1] = pos;
307 *end_ptr = p;
308 }
309 break;
310 #line 311 "hb-buffer-deserialize-text-unicode.hh"
311 }
312 }
313
314 _out: {}
315 }
316
317 #line 115 "hb-buffer-deserialize-text-unicode.rl"
318
319
320 if (pe < orig_pe && *pe == '>')
321 {
322 pe++;
323 if (p == pe)
324 p++;
325 }
326
327 *end_ptr = p;
328
329 return p == pe;
330 }
331
332 #endif /* HB_BUFFER_DESERIALIZE_TEXT_UNICODE_HH */
333