1
2#line 1 "emoji_presentation_scanner.rl"
3// Copyright 2018 The Chromium Authors. All rights reserved.
4// Use of this source code is governed by a BSD-style license that can be
5// found in the LICENSE file.
6
7
8#line 9 "emoji_presentation_scanner.c"
9static const char _emoji_presentation_actions[] = {
10 0, 1, 0, 1, 1, 1, 5, 1,
11 6, 1, 7, 1, 8, 1, 9, 1,
12 10, 1, 11, 2, 2, 3, 2, 2,
13 4
14};
15
16static const char _emoji_presentation_key_offsets[] = {
17 0, 5, 7, 14, 18, 20, 21, 24,
18 29, 30, 34, 36
19};
20
21static const unsigned char _emoji_presentation_trans_keys[] = {
22 3u, 7u, 13u, 0u, 2u, 14u, 15u, 2u,
23 3u, 6u, 7u, 13u, 0u, 1u, 9u, 10u,
24 11u, 12u, 10u, 12u, 10u, 4u, 10u, 12u,
25 4u, 9u, 10u, 11u, 12u, 6u, 9u, 10u,
26 11u, 12u, 8u, 10u, 9u, 10u, 11u, 12u,
27 14u, 0
28};
29
30static const char _emoji_presentation_single_lengths[] = {
31 3, 2, 5, 4, 2, 1, 3, 5,
32 1, 4, 2, 5
33};
34
35static const char _emoji_presentation_range_lengths[] = {
36 1, 0, 1, 0, 0, 0, 0, 0,
37 0, 0, 0, 0
38};
39
40static const char _emoji_presentation_index_offsets[] = {
41 0, 5, 8, 15, 20, 23, 25, 29,
42 35, 37, 42, 45
43};
44
45static const char _emoji_presentation_indicies[] = {
46 2, 1, 1, 1, 0, 4, 5, 3,
47 7, 8, 10, 11, 12, 6, 9, 5,
48 13, 14, 15, 0, 13, 15, 16, 13,
49 16, 15, 13, 15, 16, 15, 5, 13,
50 14, 15, 16, 5, 17, 5, 13, 14,
51 18, 17, 5, 13, 16, 5, 13, 14,
52 15, 4, 16, 0
53};
54
55static const char _emoji_presentation_trans_targs[] = {
56 2, 4, 6, 2, 1, 2, 3, 3,
57 7, 2, 8, 9, 11, 0, 2, 5,
58 2, 2, 10
59};
60
61static const char _emoji_presentation_trans_actions[] = {
62 17, 19, 19, 15, 0, 7, 22, 19,
63 19, 9, 0, 22, 19, 0, 5, 19,
64 11, 13, 19
65};
66
67static const char _emoji_presentation_to_state_actions[] = {
68 0, 0, 1, 0, 0, 0, 0, 0,
69 0, 0, 0, 0
70};
71
72static const char _emoji_presentation_from_state_actions[] = {
73 0, 0, 3, 0, 0, 0, 0, 0,
74 0, 0, 0, 0
75};
76
77static const char _emoji_presentation_eof_trans[] = {
78 1, 4, 0, 1, 17, 17, 17, 17,
79 18, 18, 17, 17
80};
81
82static const int emoji_presentation_start = 2;
83
84static const int emoji_presentation_en_text_and_emoji_run = 2;
85
86
87#line 9 "emoji_presentation_scanner.rl"
88
89
90
91#line 78 "emoji_presentation_scanner.rl"
92
93
94static emoji_text_iter_t
95scan_emoji_presentation (emoji_text_iter_t p,
96 const emoji_text_iter_t pe,
97 bool* is_emoji)
98{
99 emoji_text_iter_t te;
100 const emoji_text_iter_t eof = pe;
101
102 unsigned act;
103 int cs;
104
105
106#line 107 "emoji_presentation_scanner.c"
107 {
108 cs = emoji_presentation_start;
109 te = 0;
110 act = 0;
111 }
112
113#line 115 "emoji_presentation_scanner.c"
114 {
115 int _klen;
116 unsigned int _trans;
117 const char *_acts;
118 unsigned int _nacts;
119 const unsigned char *_keys;
120
121 if ( p == pe )
122 goto _test_eof;
123_resume:
124 _acts = _emoji_presentation_actions + _emoji_presentation_from_state_actions[cs];
125 _nacts = (unsigned int) *_acts++;
126 while ( _nacts-- > 0 ) {
127 switch ( *_acts++ ) {
128 case 1:
129#line 1 "NONE"
130 break;
131#line 134 "emoji_presentation_scanner.c"
132 }
133 }
134
135 _keys = _emoji_presentation_trans_keys + _emoji_presentation_key_offsets[cs];
136 _trans = _emoji_presentation_index_offsets[cs];
137
138 _klen = _emoji_presentation_single_lengths[cs];
139 if ( _klen > 0 ) {
140 const unsigned char *_lower = _keys;
141 const unsigned char *_mid;
142 const unsigned char *_upper = _keys + _klen - 1;
143 while (1) {
144 if ( _upper < _lower )
145 break;
146
147 _mid = _lower + ((_upper-_lower) >> 1);
148 if ( (*p) < *_mid )
149 _upper = _mid - 1;
150 else if ( (*p) > *_mid )
151 _lower = _mid + 1;
152 else {
153 _trans += (unsigned int)(_mid - _keys);
154 goto _match;
155 }
156 }
157 _keys += _klen;
158 _trans += _klen;
159 }
160
161 _klen = _emoji_presentation_range_lengths[cs];
162 if ( _klen > 0 ) {
163 const unsigned char *_lower = _keys;
164 const unsigned char *_mid;
165 const unsigned char *_upper = _keys + (_klen<<1) - 2;
166 while (1) {
167 if ( _upper < _lower )
168 break;
169
170 _mid = _lower + (((_upper-_lower) >> 1) & ~1);
171 if ( (*p) < _mid[0] )
172 _upper = _mid - 2;
173 else if ( (*p) > _mid[1] )
174 _lower = _mid + 2;
175 else {
176 _trans += (unsigned int)((_mid - _keys)>>1);
177 goto _match;
178 }
179 }
180 _trans += _klen;
181 }
182
183_match:
184 _trans = _emoji_presentation_indicies[_trans];
185_eof_trans:
186 cs = _emoji_presentation_trans_targs[_trans];
187
188 if ( _emoji_presentation_trans_actions[_trans] == 0 )
189 goto _again;
190
191 _acts = _emoji_presentation_actions + _emoji_presentation_trans_actions[_trans];
192 _nacts = (unsigned int) *_acts++;
193 while ( _nacts-- > 0 )
194 {
195 switch ( *_acts++ )
196 {
197 case 2:
198#line 1 "NONE"
199 {te = p+1;}
200 break;
201 case 3:
202#line 74 "emoji_presentation_scanner.rl"
203 {act = 2;}
204 break;
205 case 4:
206#line 75 "emoji_presentation_scanner.rl"
207 {act = 3;}
208 break;
209 case 5:
210#line 73 "emoji_presentation_scanner.rl"
211 {te = p+1;{ *is_emoji = false; return te; }}
212 break;
213 case 6:
214#line 74 "emoji_presentation_scanner.rl"
215 {te = p+1;{ *is_emoji = true; return te; }}
216 break;
217 case 7:
218#line 75 "emoji_presentation_scanner.rl"
219 {te = p+1;{ *is_emoji = false; return te; }}
220 break;
221 case 8:
222#line 74 "emoji_presentation_scanner.rl"
223 {te = p;p--;{ *is_emoji = true; return te; }}
224 break;
225 case 9:
226#line 75 "emoji_presentation_scanner.rl"
227 {te = p;p--;{ *is_emoji = false; return te; }}
228 break;
229 case 10:
230#line 74 "emoji_presentation_scanner.rl"
231 {{p = ((te))-1;}{ *is_emoji = true; return te; }}
232 break;
233 case 11:
234#line 1 "NONE"
235 { switch( act ) {
236 case 2:
237 {{p = ((te))-1;} *is_emoji = true; return te; }
238 break;
239 case 3:
240 {{p = ((te))-1;} *is_emoji = false; return te; }
241 break;
242 }
243 }
244 break;
245#line 248 "emoji_presentation_scanner.c"
246 }
247 }
248
249_again:
250 _acts = _emoji_presentation_actions + _emoji_presentation_to_state_actions[cs];
251 _nacts = (unsigned int) *_acts++;
252 while ( _nacts-- > 0 ) {
253 switch ( *_acts++ ) {
254 case 0:
255#line 1 "NONE"
256 break;
257#line 261 "emoji_presentation_scanner.c"
258 }
259 }
260
261 if ( ++p != pe )
262 goto _resume;
263 _test_eof: {}
264 if ( p == eof )
265 {
266 if ( _emoji_presentation_eof_trans[cs] > 0 ) {
267 _trans = _emoji_presentation_eof_trans[cs] - 1;
268 goto _eof_trans;
269 }
270 }
271
272 }
273
274#line 94 "emoji_presentation_scanner.rl"
275
276
277 /* Should not be reached. */
278 *is_emoji = false;
279 return pe;
280}
281

source code of gtk/subprojects/pango/pango/emoji_presentation_scanner.c