1 /*
2 * Copyright (C) 2018-2020 Alexander Borisov
3 *
4 * Author: Alexander Borisov <borisov@lexbor.com>
5 */
6
7 #include "lexbor/html/tree/insertion_mode.h"
8 #include "lexbor/html/tree/open_elements.h"
9 #include "lexbor/html/tree/active_formatting.h"
10
11
12 lxb_inline void
lxb_html_tree_clear_stack_back_to_table_context(lxb_html_tree_t * tree)13 lxb_html_tree_clear_stack_back_to_table_context(lxb_html_tree_t *tree)
14 {
15 lxb_dom_node_t *current = lxb_html_tree_current_node(tree);
16
17 while ((current->local_name != LXB_TAG_TABLE
18 && current->local_name != LXB_TAG_TEMPLATE
19 && current->local_name != LXB_TAG_HTML)
20 || current->ns != LXB_NS_HTML)
21 {
22 lxb_html_tree_open_elements_pop(tree);
23 current = lxb_html_tree_current_node(tree);
24 }
25 }
26
27 lxb_inline bool
lxb_html_tree_insertion_mode_in_table_text_open(lxb_html_tree_t * tree,lxb_html_token_t * token)28 lxb_html_tree_insertion_mode_in_table_text_open(lxb_html_tree_t *tree,
29 lxb_html_token_t *token)
30 {
31 lxb_dom_node_t *node = lxb_html_tree_current_node(tree);
32
33 if (node->ns == LXB_NS_HTML &&
34 (node->local_name == LXB_TAG_TABLE
35 || node->local_name == LXB_TAG_TBODY
36 || node->local_name == LXB_TAG_TFOOT
37 || node->local_name == LXB_TAG_THEAD
38 || node->local_name == LXB_TAG_TR))
39 {
40 tree->pending_table.text_list->length = 0;
41 tree->pending_table.have_non_ws = false;
42
43 tree->original_mode = tree->mode;
44 tree->mode = lxb_html_tree_insertion_mode_in_table_text;
45
46 return false;
47 }
48
49 return lxb_html_tree_insertion_mode_in_table_anything_else(tree, token);
50 }
51
52 lxb_inline bool
lxb_html_tree_insertion_mode_in_table_comment(lxb_html_tree_t * tree,lxb_html_token_t * token)53 lxb_html_tree_insertion_mode_in_table_comment(lxb_html_tree_t *tree,
54 lxb_html_token_t *token)
55 {
56 lxb_dom_comment_t *comment;
57
58 comment = lxb_html_tree_insert_comment(tree, token, NULL);
59 if (comment == NULL) {
60 tree->status = LXB_STATUS_ERROR_MEMORY_ALLOCATION;
61
62 return lxb_html_tree_process_abort(tree);
63 }
64
65 return true;
66 }
67
68 lxb_inline bool
lxb_html_tree_insertion_mode_in_table_doctype(lxb_html_tree_t * tree,lxb_html_token_t * token)69 lxb_html_tree_insertion_mode_in_table_doctype(lxb_html_tree_t *tree,
70 lxb_html_token_t *token)
71 {
72 lxb_html_tree_parse_error(tree, token, LXB_HTML_RULES_ERROR_DOTOINTAMO);
73
74 return true;
75 }
76
77 lxb_inline bool
lxb_html_tree_insertion_mode_in_table_caption(lxb_html_tree_t * tree,lxb_html_token_t * token)78 lxb_html_tree_insertion_mode_in_table_caption(lxb_html_tree_t *tree,
79 lxb_html_token_t *token)
80 {
81 lxb_html_element_t *element;
82
83 lxb_html_tree_clear_stack_back_to_table_context(tree);
84
85 tree->status = lxb_html_tree_active_formatting_push_marker(tree);
86 if (tree->status != LXB_STATUS_OK) {
87 return lxb_html_tree_process_abort(tree);
88 }
89
90 element = lxb_html_tree_insert_html_element(tree, token);
91 if (element == NULL) {
92 tree->status = LXB_STATUS_ERROR_MEMORY_ALLOCATION;
93
94 return lxb_html_tree_process_abort(tree);
95 }
96
97 tree->mode = lxb_html_tree_insertion_mode_in_caption;
98
99 return true;
100 }
101
102 lxb_inline bool
lxb_html_tree_insertion_mode_in_table_colgroup(lxb_html_tree_t * tree,lxb_html_token_t * token)103 lxb_html_tree_insertion_mode_in_table_colgroup(lxb_html_tree_t *tree,
104 lxb_html_token_t *token)
105 {
106 lxb_html_element_t *element;
107
108 lxb_html_tree_clear_stack_back_to_table_context(tree);
109
110 element = lxb_html_tree_insert_html_element(tree, token);
111 if (element == NULL) {
112 tree->status = LXB_STATUS_ERROR_MEMORY_ALLOCATION;
113
114 return lxb_html_tree_process_abort(tree);
115 }
116
117 tree->mode = lxb_html_tree_insertion_mode_in_column_group;
118
119 return true;
120 }
121
122 lxb_inline bool
lxb_html_tree_insertion_mode_in_table_col(lxb_html_tree_t * tree,lxb_html_token_t * token)123 lxb_html_tree_insertion_mode_in_table_col(lxb_html_tree_t *tree,
124 lxb_html_token_t *token)
125 {
126 lxb_html_element_t *element;
127 lxb_html_token_t fake_token = {0};
128
129 lxb_html_tree_clear_stack_back_to_table_context(tree);
130
131 fake_token.tag_id = LXB_TAG_COLGROUP;
132 fake_token.attr_first = NULL;
133 fake_token.attr_last = NULL;
134
135 element = lxb_html_tree_insert_html_element(tree, &fake_token);
136 if (element == NULL) {
137 tree->status = LXB_STATUS_ERROR_MEMORY_ALLOCATION;
138
139 return lxb_html_tree_process_abort(tree);
140 }
141
142 tree->mode = lxb_html_tree_insertion_mode_in_column_group;
143
144 return false;
145 }
146
147 /*
148 * "tbody", "tfoot", "thead"
149 */
150 lxb_inline bool
lxb_html_tree_insertion_mode_in_table_tbtfth(lxb_html_tree_t * tree,lxb_html_token_t * token)151 lxb_html_tree_insertion_mode_in_table_tbtfth(lxb_html_tree_t *tree,
152 lxb_html_token_t *token)
153 {
154 lxb_html_element_t *element;
155
156 lxb_html_tree_clear_stack_back_to_table_context(tree);
157
158 element = lxb_html_tree_insert_html_element(tree, token);
159 if (element == NULL) {
160 tree->status = LXB_STATUS_ERROR_MEMORY_ALLOCATION;
161
162 return lxb_html_tree_process_abort(tree);
163 }
164
165 tree->mode = lxb_html_tree_insertion_mode_in_table_body;
166
167 return true;
168 }
169
170 /*
171 * "td", "th", "tr"
172 */
173 lxb_inline bool
lxb_html_tree_insertion_mode_in_table_tdthtr(lxb_html_tree_t * tree,lxb_html_token_t * token)174 lxb_html_tree_insertion_mode_in_table_tdthtr(lxb_html_tree_t *tree,
175 lxb_html_token_t *token)
176 {
177 lxb_html_element_t *element;
178 lxb_html_token_t fake_token = {0};
179
180 lxb_html_tree_clear_stack_back_to_table_context(tree);
181
182 fake_token.tag_id = LXB_TAG_TBODY;
183 fake_token.attr_first = NULL;
184 fake_token.attr_last = NULL;
185
186 element = lxb_html_tree_insert_html_element(tree, &fake_token);
187 if (element == NULL) {
188 tree->status = LXB_STATUS_ERROR_MEMORY_ALLOCATION;
189
190 return lxb_html_tree_process_abort(tree);
191 }
192
193 tree->mode = lxb_html_tree_insertion_mode_in_table_body;
194
195 return false;
196 }
197
198 lxb_inline bool
lxb_html_tree_insertion_mode_in_table_table(lxb_html_tree_t * tree,lxb_html_token_t * token)199 lxb_html_tree_insertion_mode_in_table_table(lxb_html_tree_t *tree,
200 lxb_html_token_t *token)
201 {
202 lxb_dom_node_t *node;
203
204 lxb_html_tree_parse_error(tree, token, LXB_HTML_RULES_ERROR_UNTO);
205
206 node = lxb_html_tree_element_in_scope(tree, LXB_TAG_TABLE, LXB_NS_HTML,
207 LXB_HTML_TAG_CATEGORY_SCOPE_TABLE);
208 if (node == NULL) {
209 return true;
210 }
211
212 lxb_html_tree_open_elements_pop_until_node(tree, node, true);
213 lxb_html_tree_reset_insertion_mode_appropriately(tree);
214
215 return false;
216 }
217
218 lxb_inline bool
lxb_html_tree_insertion_mode_in_table_table_closed(lxb_html_tree_t * tree,lxb_html_token_t * token)219 lxb_html_tree_insertion_mode_in_table_table_closed(lxb_html_tree_t *tree,
220 lxb_html_token_t *token)
221 {
222 lxb_dom_node_t *node;
223
224 node = lxb_html_tree_element_in_scope(tree, LXB_TAG_TABLE, LXB_NS_HTML,
225 LXB_HTML_TAG_CATEGORY_SCOPE_TABLE);
226 if (node == NULL) {
227 lxb_html_tree_parse_error(tree, token, LXB_HTML_RULES_ERROR_UNCLTO);
228
229 return true;
230 }
231
232 lxb_html_tree_open_elements_pop_until_node(tree, node, true);
233 lxb_html_tree_reset_insertion_mode_appropriately(tree);
234
235 return true;
236 }
237
238 /*
239 * "body", "caption", "col", "colgroup", "html", "tbody", "td", "tfoot", "th",
240 * "thead", "tr"
241 */
242 lxb_inline bool
lxb_html_tree_insertion_mode_in_table_bcht_closed(lxb_html_tree_t * tree,lxb_html_token_t * token)243 lxb_html_tree_insertion_mode_in_table_bcht_closed(lxb_html_tree_t *tree,
244 lxb_html_token_t *token)
245 {
246 lxb_html_tree_parse_error(tree, token, LXB_HTML_RULES_ERROR_UNCLTO);
247
248 return true;
249 }
250
251 /*
252 * A start tag whose tag name is one of: "style", "script", "template"
253 * An end tag whose tag name is "template"
254 */
255 lxb_inline bool
lxb_html_tree_insertion_mode_in_table_st_open_closed(lxb_html_tree_t * tree,lxb_html_token_t * token)256 lxb_html_tree_insertion_mode_in_table_st_open_closed(lxb_html_tree_t *tree,
257 lxb_html_token_t *token)
258 {
259 return lxb_html_tree_insertion_mode_in_head(tree, token);
260 }
261
262 lxb_inline bool
lxb_html_tree_insertion_mode_in_table_input(lxb_html_tree_t * tree,lxb_html_token_t * token)263 lxb_html_tree_insertion_mode_in_table_input(lxb_html_tree_t *tree,
264 lxb_html_token_t *token)
265 {
266 lxb_html_element_t *element;
267 lxb_html_token_attr_t *attr = token->attr_first;
268
269 while (attr != NULL) {
270
271 /* Name == "type" and value == "hidden" */
272 if (attr->name != NULL && attr->name->attr_id == LXB_DOM_ATTR_TYPE) {
273 if (attr->value_size == 6
274 && lexbor_str_data_ncasecmp(attr->value,
275 (const lxb_char_t *) "hidden", 6))
276 {
277 goto have_hidden;
278 }
279 }
280
281 attr = attr->next;
282 }
283
284 return lxb_html_tree_insertion_mode_in_table_anything_else(tree, token);
285
286 have_hidden:
287
288 lxb_html_tree_parse_error(tree, token, LXB_HTML_RULES_ERROR_UNTO);
289
290 element = lxb_html_tree_insert_html_element(tree, token);
291 if (element == NULL) {
292 tree->status = LXB_STATUS_ERROR_MEMORY_ALLOCATION;
293
294 return lxb_html_tree_process_abort(tree);
295 }
296
297 lxb_html_tree_open_elements_pop_until_node(tree,
298 lxb_dom_interface_node(element),
299 true);
300
301 lxb_html_tree_acknowledge_token_self_closing(tree, token);
302
303 return true;
304 }
305
306 lxb_inline bool
lxb_html_tree_insertion_mode_in_table_form(lxb_html_tree_t * tree,lxb_html_token_t * token)307 lxb_html_tree_insertion_mode_in_table_form(lxb_html_tree_t *tree,
308 lxb_html_token_t *token)
309 {
310 lxb_dom_node_t *node;
311 lxb_html_element_t *element;
312
313 lxb_html_tree_parse_error(tree, token, LXB_HTML_RULES_ERROR_UNTO);
314
315 if (tree->form != NULL) {
316 return true;
317 }
318
319 node = lxb_html_tree_open_elements_find_reverse(tree, LXB_TAG_TEMPLATE,
320 LXB_NS_HTML, NULL);
321 if (node != NULL) {
322 return true;
323 }
324
325 element = lxb_html_tree_insert_html_element(tree, token);
326 if (element == NULL) {
327 tree->status = LXB_STATUS_ERROR_MEMORY_ALLOCATION;
328
329 return lxb_html_tree_process_abort(tree);
330 }
331
332 tree->form = lxb_html_interface_form(element);
333
334 lxb_html_tree_open_elements_pop_until_node(tree,
335 lxb_dom_interface_node(element),
336 true);
337 return true;
338 }
339
340 lxb_inline bool
lxb_html_tree_insertion_mode_in_table_end_of_file(lxb_html_tree_t * tree,lxb_html_token_t * token)341 lxb_html_tree_insertion_mode_in_table_end_of_file(lxb_html_tree_t *tree,
342 lxb_html_token_t *token)
343 {
344 return lxb_html_tree_insertion_mode_in_body(tree, token);
345 }
346
347 bool
lxb_html_tree_insertion_mode_in_table_anything_else(lxb_html_tree_t * tree,lxb_html_token_t * token)348 lxb_html_tree_insertion_mode_in_table_anything_else(lxb_html_tree_t *tree,
349 lxb_html_token_t *token)
350 {
351 tree->foster_parenting = true;
352
353 lxb_html_tree_insertion_mode_in_body(tree, token);
354 if (tree->status != LXB_STATUS_OK) {
355 return lxb_html_tree_process_abort(tree);
356 }
357
358 tree->foster_parenting = false;
359
360 return true;
361 }
362
363 lxb_inline bool
lxb_html_tree_insertion_mode_in_table_anything_else_closed(lxb_html_tree_t * tree,lxb_html_token_t * token)364 lxb_html_tree_insertion_mode_in_table_anything_else_closed(lxb_html_tree_t *tree,
365 lxb_html_token_t *token)
366 {
367 return lxb_html_tree_insertion_mode_in_table_anything_else(tree, token);
368 }
369
370 bool
lxb_html_tree_insertion_mode_in_table(lxb_html_tree_t * tree,lxb_html_token_t * token)371 lxb_html_tree_insertion_mode_in_table(lxb_html_tree_t *tree,
372 lxb_html_token_t *token)
373 {
374 if (token->type & LXB_HTML_TOKEN_TYPE_CLOSE) {
375 switch (token->tag_id) {
376 case LXB_TAG_TABLE:
377 return lxb_html_tree_insertion_mode_in_table_table_closed(tree,
378 token);
379 case LXB_TAG_BODY:
380 case LXB_TAG_CAPTION:
381 case LXB_TAG_COL:
382 case LXB_TAG_COLGROUP:
383 case LXB_TAG_HTML:
384 case LXB_TAG_TBODY:
385 case LXB_TAG_TD:
386 case LXB_TAG_TFOOT:
387 case LXB_TAG_TH:
388 case LXB_TAG_THEAD:
389 case LXB_TAG_TR:
390 return lxb_html_tree_insertion_mode_in_table_bcht_closed(tree,
391 token);
392 case LXB_TAG_TEMPLATE:
393 return lxb_html_tree_insertion_mode_in_table_st_open_closed(tree,
394 token);
395 default:
396 return lxb_html_tree_insertion_mode_in_table_anything_else_closed(tree,
397 token);
398 }
399 }
400
401 switch (token->tag_id) {
402 case LXB_TAG__TEXT:
403 return lxb_html_tree_insertion_mode_in_table_text_open(tree, token);
404
405 case LXB_TAG__EM_COMMENT:
406 return lxb_html_tree_insertion_mode_in_table_comment(tree, token);
407
408 case LXB_TAG__EM_DOCTYPE:
409 return lxb_html_tree_insertion_mode_in_table_doctype(tree, token);
410
411 case LXB_TAG_CAPTION:
412 return lxb_html_tree_insertion_mode_in_table_caption(tree, token);
413
414 case LXB_TAG_COLGROUP:
415 return lxb_html_tree_insertion_mode_in_table_colgroup(tree, token);
416
417 case LXB_TAG_COL:
418 return lxb_html_tree_insertion_mode_in_table_col(tree, token);
419
420 case LXB_TAG_TBODY:
421 case LXB_TAG_TFOOT:
422 case LXB_TAG_THEAD:
423 return lxb_html_tree_insertion_mode_in_table_tbtfth(tree, token);
424
425 case LXB_TAG_TD:
426 case LXB_TAG_TH:
427 case LXB_TAG_TR:
428 return lxb_html_tree_insertion_mode_in_table_tdthtr(tree, token);
429
430 case LXB_TAG_TABLE:
431 return lxb_html_tree_insertion_mode_in_table_table(tree, token);
432
433 case LXB_TAG_STYLE:
434 case LXB_TAG_SCRIPT:
435 case LXB_TAG_TEMPLATE:
436 return lxb_html_tree_insertion_mode_in_table_st_open_closed(tree,
437 token);
438 case LXB_TAG_INPUT:
439 return lxb_html_tree_insertion_mode_in_table_input(tree, token);
440
441 case LXB_TAG_FORM:
442 return lxb_html_tree_insertion_mode_in_table_form(tree, token);
443
444 case LXB_TAG__END_OF_FILE:
445 return lxb_html_tree_insertion_mode_in_table_end_of_file(tree,
446 token);
447 default:
448 return lxb_html_tree_insertion_mode_in_table_anything_else(tree,
449 token);
450 }
451 }
452
