1 /*
2 +----------------------------------------------------------------------+
3 | Copyright (c) The PHP Group |
4 +----------------------------------------------------------------------+
5 | This source file is subject to version 3.01 of the PHP license, |
6 | that is bundled with this package in the file LICENSE, and is |
7 | available through the world-wide-web at the following url: |
8 | https://www.php.net/license/3_01.txt |
9 | If you did not receive a copy of the PHP license and are unable to |
10 | obtain it through the world-wide-web, please send a note to |
11 | license@php.net so we can mail you a copy immediately. |
12 +----------------------------------------------------------------------+
13 | Authors: Christian Stocker <chregu@php.net> |
14 | Rob Richards <rrichards@php.net> |
15 +----------------------------------------------------------------------+
16 */
17
18 #ifdef HAVE_CONFIG_H
19 #include <config.h>
20 #endif
21
22 #include "php.h"
23 #if defined(HAVE_LIBXML) && defined(HAVE_DOM)
24 #include "zend_enum.h"
25 #include "php_dom.h"
26 #include "namespace_compat.h"
27 #include "private_data.h"
28 #include "internal_helpers.h"
29 #include "dom_properties.h"
30 #include "token_list.h"
31
32 /*
33 * class DOMElement extends DOMNode
34 *
35 * URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-745549614
36 * Since:
37 */
38
39 /* {{{ */
PHP_METHOD(DOMElement,__construct)40 PHP_METHOD(DOMElement, __construct)
41 {
42 xmlNodePtr nodep = NULL, oldnode = NULL;
43 dom_object *intern;
44 char *name, *value = NULL, *uri = NULL;
45 char *localname = NULL, *prefix = NULL;
46 int errorcode = 0;
47 size_t name_len, value_len = 0, uri_len = 0;
48 int name_valid;
49 xmlNsPtr nsptr = NULL;
50
51 if (zend_parse_parameters(ZEND_NUM_ARGS(), "s|s!s", &name, &name_len, &value, &value_len, &uri, &uri_len) == FAILURE) {
52 RETURN_THROWS();
53 }
54
55 name_valid = xmlValidateName(BAD_CAST name, 0);
56 if (name_valid != 0) {
57 php_dom_throw_error(INVALID_CHARACTER_ERR, true);
58 RETURN_THROWS();
59 }
60
61 /* Namespace logic is separate and only when uri passed in to insure no BC breakage */
62 if (uri_len > 0) {
63 errorcode = dom_check_qname(name, &localname, &prefix, uri_len, name_len);
64 if (errorcode == 0) {
65 nodep = xmlNewNode (NULL, BAD_CAST localname);
66 if (nodep != NULL && uri != NULL) {
67 nsptr = dom_get_ns(nodep, uri, &errorcode, prefix);
68 xmlSetNs(nodep, nsptr);
69 }
70 }
71 xmlFree(localname);
72 if (prefix != NULL) {
73 xmlFree(prefix);
74 }
75 if (errorcode != 0) {
76 if (nodep != NULL) {
77 xmlFreeNode(nodep);
78 }
79 php_dom_throw_error(errorcode, true);
80 RETURN_THROWS();
81 }
82 } else {
83 /* If you don't pass a namespace uri, then you can't set a prefix */
84 localname = (char *) xmlSplitQName2(BAD_CAST name, (xmlChar **) &prefix);
85 if (prefix != NULL) {
86 xmlFree(localname);
87 xmlFree(prefix);
88 php_dom_throw_error(NAMESPACE_ERR, true);
89 RETURN_THROWS();
90 }
91 nodep = xmlNewNode(NULL, BAD_CAST name);
92 }
93
94 if (!nodep) {
95 php_dom_throw_error(INVALID_STATE_ERR, true);
96 RETURN_THROWS();
97 }
98
99 if (value_len > 0) {
100 xmlNodeSetContentLen(nodep, BAD_CAST value, value_len);
101 }
102
103 intern = Z_DOMOBJ_P(ZEND_THIS);
104 oldnode = dom_object_get_node(intern);
105 if (oldnode != NULL) {
106 php_libxml_node_decrement_resource((php_libxml_node_object *)intern);
107 }
108 php_libxml_increment_node_ptr((php_libxml_node_object *)intern, nodep, (void *)intern);
109 }
110 /* }}} end DOMElement::__construct */
111
112 /* {{{ tagName string
113 readonly=yes
114 URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-104682815
115 Modern spec URL: https://dom.spec.whatwg.org/#dom-element-tagname
116 Since:
117 */
dom_element_tag_name_read(dom_object * obj,zval * retval)118 zend_result dom_element_tag_name_read(dom_object *obj, zval *retval)
119 {
120 DOM_PROP_NODE(xmlNodePtr, nodep, obj);
121
122 bool uppercase = php_dom_follow_spec_intern(obj) && php_dom_ns_is_html_and_document_is_html(nodep);
123
124 zend_string *result = dom_node_get_node_name_attribute_or_element((const xmlNode *) nodep, uppercase);
125 ZVAL_NEW_STR(retval, result);
126
127 return SUCCESS;
128 }
129
130 /* }}} */
131
dom_element_reflected_attribute_read(dom_object * obj,zval * retval,const char * name)132 static zend_result dom_element_reflected_attribute_read(dom_object *obj, zval *retval, const char *name)
133 {
134 DOM_PROP_NODE(xmlNodePtr, nodep, obj);
135
136 xmlChar *content = xmlGetNoNsProp(nodep, (const xmlChar *) name);
137 if (content == NULL) {
138 ZVAL_EMPTY_STRING(retval);
139 return SUCCESS;
140 }
141
142 ZVAL_STRING(retval, (const char *) content);
143 xmlFree(content);
144
145 return SUCCESS;
146 }
147
dom_element_reflected_attribute_write(dom_object * obj,zval * newval,const char * name)148 static xmlAttrPtr dom_element_reflected_attribute_write(dom_object *obj, zval *newval, const char *name)
149 {
150 xmlNode *nodep = dom_object_get_node(obj);
151
152 if (nodep == NULL) {
153 php_dom_throw_error(INVALID_STATE_ERR, true);
154 return NULL;
155 }
156
157 /* Typed property, so it is a string already */
158 ZEND_ASSERT(Z_TYPE_P(newval) == IS_STRING);
159 return xmlSetNsProp(nodep, NULL, (const xmlChar *) name, (const xmlChar *) Z_STRVAL_P(newval));
160 }
161
162 /* {{{ className string
163 URL: https://dom.spec.whatwg.org/#dom-element-classname
164 Since:
165 */
dom_element_class_name_read(dom_object * obj,zval * retval)166 zend_result dom_element_class_name_read(dom_object *obj, zval *retval)
167 {
168 return dom_element_reflected_attribute_read(obj, retval, "class");
169 }
170
dom_element_class_name_write(dom_object * obj,zval * newval)171 zend_result dom_element_class_name_write(dom_object *obj, zval *newval)
172 {
173 if (dom_element_reflected_attribute_write(obj, newval, "class")) {
174 return SUCCESS;
175 }
176 return FAILURE;
177 }
178 /* }}} */
179
180 /* {{{ classList TokenList
181 URL: https://dom.spec.whatwg.org/#dom-element-classlist
182 */
dom_element_class_list_read(dom_object * obj,zval * retval)183 zend_result dom_element_class_list_read(dom_object *obj, zval *retval)
184 {
185 const uint32_t PROP_INDEX = 0;
186
187 #if ZEND_DEBUG
188 zend_string *class_list_str = ZSTR_INIT_LITERAL("classList", false);
189 const zend_property_info *prop_info = zend_get_property_info(dom_modern_element_class_entry, class_list_str, 0);
190 zend_string_release_ex(class_list_str, false);
191 ZEND_ASSERT(OBJ_PROP_TO_NUM(prop_info->offset) == PROP_INDEX);
192 #endif
193
194 zval *cached_token_list = OBJ_PROP_NUM(&obj->std, PROP_INDEX);
195 if (Z_ISUNDEF_P(cached_token_list)) {
196 object_init_ex(cached_token_list, dom_token_list_class_entry);
197 dom_token_list_object *intern = php_dom_token_list_from_obj(Z_OBJ_P(cached_token_list));
198 dom_token_list_ctor(intern, obj);
199 }
200
201 ZVAL_OBJ_COPY(retval, Z_OBJ_P(cached_token_list));
202
203 return SUCCESS;
204 }
205 /* }}} */
206
207 /* {{{ id string
208 URL: https://dom.spec.whatwg.org/#dom-element-id
209 Since:
210 */
dom_element_id_read(dom_object * obj,zval * retval)211 zend_result dom_element_id_read(dom_object *obj, zval *retval)
212 {
213 return dom_element_reflected_attribute_read(obj, retval, "id");
214 }
215
216 static void php_set_attribute_id(xmlAttrPtr attrp, bool is_id, php_libxml_ref_obj *document);
217
dom_element_id_write(dom_object * obj,zval * newval)218 zend_result dom_element_id_write(dom_object *obj, zval *newval)
219 {
220 xmlAttrPtr attr = dom_element_reflected_attribute_write(obj, newval, "id");
221 if (!attr) {
222 return FAILURE;
223 }
224 php_set_attribute_id(attr, true, obj->document);
225 return SUCCESS;
226 }
227 /* }}} */
228
229 /* {{{ schemaTypeInfo typeinfo
230 readonly=yes
231 URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#Element-schemaTypeInfo
232 Since: DOM Level 3
233 */
dom_element_schema_type_info_read(dom_object * obj,zval * retval)234 zend_result dom_element_schema_type_info_read(dom_object *obj, zval *retval)
235 {
236 ZVAL_NULL(retval);
237 return SUCCESS;
238 }
239
240 /* }}} */
241
242 /* Note: the object returned is not necessarily a node, but can be an attribute or a namespace declaration. */
dom_get_attribute_or_nsdecl(dom_object * intern,xmlNodePtr elem,const xmlChar * name,size_t name_len)243 static xmlNodePtr dom_get_attribute_or_nsdecl(dom_object *intern, xmlNodePtr elem, const xmlChar *name, size_t name_len) /* {{{ */
244 {
245 if (!php_dom_follow_spec_intern(intern)) {
246 int len;
247 const xmlChar *nqname = xmlSplitQName3(name, &len);
248
249 if (nqname != NULL) {
250 xmlNsPtr ns;
251 if (strncmp((const char *) name, "xmlns:", len + 1) == 0) {
252 ns = elem->nsDef;
253 while (ns) {
254 if (xmlStrEqual(ns->prefix, nqname)) {
255 break;
256 }
257 ns = ns->next;
258 }
259 return (xmlNodePtr)ns;
260 }
261 xmlChar *prefix = xmlStrndup(name, len);
262 ns = xmlSearchNs(elem->doc, elem, prefix);
263 if (prefix != NULL) {
264 xmlFree(prefix);
265 }
266 if (ns != NULL) {
267 return (xmlNodePtr)xmlHasNsProp(elem, nqname, ns->href);
268 }
269 } else {
270 if (xmlStrEqual(name, BAD_CAST "xmlns")) {
271 xmlNsPtr nsPtr = elem->nsDef;
272 while (nsPtr) {
273 if (nsPtr->prefix == NULL) {
274 return (xmlNodePtr)nsPtr;
275 }
276 nsPtr = nsPtr->next;
277 }
278 return NULL;
279 }
280 }
281 return (xmlNodePtr) xmlHasNsProp(elem, name, NULL);
282 } else {
283 return (xmlNodePtr) php_dom_get_attribute_node(elem, name, name_len);
284 }
285 }
286 /* }}} */
287
288 /* {{{ URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-666EE0F9
289 Modern spec URL: https://dom.spec.whatwg.org/#dom-element-getattribute
290 Since:
291 */
PHP_METHOD(DOMElement,getAttribute)292 PHP_METHOD(DOMElement, getAttribute)
293 {
294 zval *id;
295 xmlNode *nodep;
296 char *name;
297 xmlChar *value = NULL;
298 dom_object *intern;
299 xmlNodePtr attr;
300 size_t name_len;
301 bool should_free = false;
302
303 id = ZEND_THIS;
304 if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &name, &name_len) == FAILURE) {
305 RETURN_THROWS();
306 }
307
308 DOM_GET_OBJ(nodep, id, xmlNodePtr, intern);
309
310 attr = dom_get_attribute_or_nsdecl(intern, nodep, BAD_CAST name, name_len);
311 if (attr) {
312 switch (attr->type) {
313 case XML_ATTRIBUTE_NODE:
314 value = xmlNodeListGetString(attr->doc, attr->children, 1);
315 should_free = true;
316 break;
317 case XML_NAMESPACE_DECL:
318 value = BAD_CAST ((xmlNsPtr)attr)->href;
319 should_free = false;
320 break;
321 default:
322 value = BAD_CAST ((xmlAttributePtr)attr)->defaultValue;
323 should_free = false;
324 }
325 }
326
327 if (value == NULL) {
328 if (php_dom_follow_spec_intern(intern)) {
329 RETURN_NULL();
330 }
331 RETURN_EMPTY_STRING();
332 } else {
333 RETVAL_STRING((char *)value);
334 if (should_free) {
335 xmlFree(value);
336 }
337 }
338 }
339 /* }}} end dom_element_get_attribute */
340
341 /* {{{ URL: https://dom.spec.whatwg.org/#dom-element-getattributenames
342 Since:
343 */
PHP_METHOD(DOMElement,getAttributeNames)344 PHP_METHOD(DOMElement, getAttributeNames)
345 {
346 zval *id;
347 xmlNode *nodep;
348 dom_object *intern;
349 zval tmp;
350
351 if (zend_parse_parameters_none() == FAILURE) {
352 RETURN_THROWS();
353 }
354
355 DOM_GET_THIS_OBJ(nodep, id, xmlNodePtr, intern);
356
357 array_init(return_value);
358 HashTable *ht = Z_ARRVAL_P(return_value);
359 zend_hash_real_init_packed(ht);
360
361 if (!php_dom_follow_spec_intern(intern)) {
362 for (xmlNsPtr nsptr = nodep->nsDef; nsptr; nsptr = nsptr->next) {
363 const char *prefix = (const char *) nsptr->prefix;
364 ZVAL_NEW_STR(&tmp, dom_node_concatenated_name_helper(strlen(prefix), prefix, strlen("xmlns"), (const char *) "xmlns"));
365 zend_hash_next_index_insert(ht, &tmp);
366 }
367 }
368
369 for (xmlAttrPtr attr = nodep->properties; attr; attr = attr->next) {
370 ZVAL_NEW_STR(&tmp, dom_node_get_node_name_attribute_or_element((const xmlNode *) attr, false));
371 zend_hash_next_index_insert(ht, &tmp);
372 }
373 }
374 /* }}} end DOMElement::getAttributeNames() */
375
dom_create_attribute(xmlNodePtr nodep,const char * name,const char * value)376 static xmlNodePtr dom_create_attribute(xmlNodePtr nodep, const char *name, const char* value)
377 {
378 if (xmlStrEqual(BAD_CAST name, BAD_CAST "xmlns")) {
379 return (xmlNodePtr) xmlNewNs(nodep, BAD_CAST value, NULL);
380 } else {
381 return (xmlNodePtr) xmlSetProp(nodep, BAD_CAST name, BAD_CAST value);
382 }
383 }
384
dom_check_register_attribute_id(xmlAttrPtr attr,php_libxml_ref_obj * document)385 static void dom_check_register_attribute_id(xmlAttrPtr attr, php_libxml_ref_obj *document)
386 {
387 dom_mark_ids_modified(document);
388
389 if (attr->atype != XML_ATTRIBUTE_ID && attr->doc->type == XML_HTML_DOCUMENT_NODE && attr->ns == NULL && xmlStrEqual(attr->name, BAD_CAST "id")) {
390 /* To respect XML's ID behaviour, we only do this registration for HTML documents. */
391 attr->atype = XML_ATTRIBUTE_ID;
392 }
393 }
394
395 /* {{{ URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-F68F082
396 Modern spec URL: https://dom.spec.whatwg.org/#dom-element-setattribute
397 Since:
398 */
PHP_METHOD(DOMElement,setAttribute)399 PHP_METHOD(DOMElement, setAttribute)
400 {
401 zval *id;
402 xmlNode *nodep;
403 int name_valid;
404 size_t name_len, value_len;
405 dom_object *intern;
406 char *name, *value;
407
408 id = ZEND_THIS;
409 if (zend_parse_parameters(ZEND_NUM_ARGS(), "ss", &name, &name_len, &value, &value_len) == FAILURE) {
410 RETURN_THROWS();
411 }
412
413 if (name_len == 0) {
414 zend_argument_must_not_be_empty_error(1);
415 RETURN_THROWS();
416 }
417
418 name_valid = xmlValidateName(BAD_CAST name, 0);
419 if (name_valid != 0) {
420 php_dom_throw_error(INVALID_CHARACTER_ERR, true);
421 RETURN_THROWS();
422 }
423
424 DOM_GET_OBJ(nodep, id, xmlNodePtr, intern);
425
426 if (php_dom_follow_spec_intern(intern)) {
427 xmlChar *name_processed = BAD_CAST name;
428 if (php_dom_ns_is_html_and_document_is_html(nodep)) {
429 char *lowercase_copy = zend_str_tolower_dup_ex(name, name_len);
430 if (lowercase_copy != NULL) {
431 name_processed = BAD_CAST lowercase_copy;
432 }
433 }
434
435 /* Can't use xmlSetNsProp unconditionally here because that doesn't take into account the qualified name matching... */
436 xmlAttrPtr attr = php_dom_get_attribute_node(nodep, BAD_CAST name, name_len);
437 if (attr != NULL) {
438 dom_attr_value_will_change(intern, attr);
439 dom_remove_all_children((xmlNodePtr) attr);
440 xmlNodePtr node = xmlNewDocText(attr->doc, BAD_CAST value);
441 xmlAddChild((xmlNodePtr) attr, node);
442 } else {
443 attr = xmlSetNsProp(nodep, NULL, name_processed, BAD_CAST value);
444 if (EXPECTED(attr != NULL)) {
445 dom_check_register_attribute_id(attr, intern->document);
446 }
447 }
448
449 if (name_processed != BAD_CAST name) {
450 efree(name_processed);
451 }
452 } else {
453 xmlNodePtr attr = dom_get_attribute_or_nsdecl(intern, nodep, BAD_CAST name, name_len);
454 if (attr != NULL) {
455 switch (attr->type) {
456 case XML_ATTRIBUTE_NODE:
457 dom_attr_value_will_change(intern, (xmlAttrPtr) attr);
458 node_list_unlink(attr->children);
459 break;
460 case XML_NAMESPACE_DECL:
461 RETURN_FALSE;
462 EMPTY_SWITCH_DEFAULT_CASE();
463 }
464 }
465
466 attr = dom_create_attribute(nodep, name, value);
467 if (!attr) {
468 zend_argument_value_error(1, "must be a valid XML attribute");
469 RETURN_THROWS();
470 }
471 if (attr->type == XML_NAMESPACE_DECL) {
472 RETURN_TRUE;
473 }
474
475 DOM_RET_OBJ(attr, intern);
476 }
477 }
478 /* }}} end dom_element_set_attribute */
479
480 typedef struct dom_deep_ns_redef_item {
481 xmlNodePtr current_node;
482 xmlNsPtr defined_ns;
483 } dom_deep_ns_redef_item;
484
485 /* Reconciliation for a *single* namespace, but reconciles *closest* to the subtree needing it. */
dom_deep_ns_redef(xmlNodePtr node,xmlNsPtr ns_to_redefine)486 static void dom_deep_ns_redef(xmlNodePtr node, xmlNsPtr ns_to_redefine)
487 {
488 size_t worklist_capacity = 128;
489 dom_deep_ns_redef_item *worklist = emalloc(sizeof(dom_deep_ns_redef_item) * worklist_capacity);
490 worklist[0].current_node = node;
491 worklist[0].defined_ns = NULL;
492 size_t worklist_size = 1;
493
494 while (worklist_size > 0) {
495 worklist_size--;
496 dom_deep_ns_redef_item *current_worklist_item = &worklist[worklist_size];
497 ZEND_ASSERT(current_worklist_item->current_node->type == XML_ELEMENT_NODE);
498 xmlNsPtr defined_ns = current_worklist_item->defined_ns;
499
500 if (current_worklist_item->current_node->ns == ns_to_redefine) {
501 if (defined_ns == NULL) {
502 defined_ns = xmlNewNs(current_worklist_item->current_node, ns_to_redefine->href, ns_to_redefine->prefix);
503 }
504 current_worklist_item->current_node->ns = defined_ns;
505 }
506
507 for (xmlAttrPtr attr = current_worklist_item->current_node->properties; attr; attr = attr->next) {
508 if (attr->ns == ns_to_redefine) {
509 if (defined_ns == NULL) {
510 defined_ns = xmlNewNs(current_worklist_item->current_node, ns_to_redefine->href, ns_to_redefine->prefix);
511 }
512 attr->ns = defined_ns;
513 }
514 }
515
516 for (xmlNodePtr child = current_worklist_item->current_node->children; child; child = child->next) {
517 if (child->type != XML_ELEMENT_NODE) {
518 continue;
519 }
520 if (worklist_size == worklist_capacity) {
521 if (UNEXPECTED(worklist_capacity >= SIZE_MAX / 3 * 2 / sizeof(dom_deep_ns_redef_item))) {
522 /* Shouldn't be possible to hit, but checked for safety anyway */
523 goto out;
524 }
525 worklist_capacity = worklist_capacity * 3 / 2;
526 worklist = erealloc(worklist, sizeof(dom_deep_ns_redef_item) * worklist_capacity);
527 }
528 worklist[worklist_size].current_node = child;
529 worklist[worklist_size].defined_ns = defined_ns;
530 worklist_size++;
531 }
532 }
533
534 out:
535 efree(worklist);
536 }
537
dom_remove_attribute(xmlNodePtr thisp,xmlNodePtr attrp)538 static bool dom_remove_attribute(xmlNodePtr thisp, xmlNodePtr attrp)
539 {
540 ZEND_ASSERT(thisp != NULL);
541 ZEND_ASSERT(attrp != NULL);
542
543 switch (attrp->type) {
544 case XML_ATTRIBUTE_NODE:
545 if (php_dom_object_get_data(attrp) == NULL) {
546 node_list_unlink(attrp->children);
547 xmlUnlinkNode(attrp);
548 xmlFreeProp((xmlAttrPtr)attrp);
549 } else {
550 xmlUnlinkNode(attrp);
551 }
552 break;
553 case XML_NAMESPACE_DECL: {
554 /* They will always be removed, but can be re-added.
555 *
556 * If any reference was left to the namespace, the only effect is that
557 * the definition is potentially moved closer to the element using it.
558 * If no reference was left, it is actually removed. */
559 xmlNsPtr ns = (xmlNsPtr) attrp;
560 if (thisp->nsDef == ns) {
561 thisp->nsDef = ns->next;
562 } else if (thisp->nsDef != NULL) {
563 xmlNsPtr prev = thisp->nsDef;
564 xmlNsPtr cur = prev->next;
565 while (cur) {
566 if (cur == ns) {
567 prev->next = cur->next;
568 break;
569 }
570 prev = cur;
571 cur = cur->next;
572 }
573 } else {
574 /* defensive: attrp not defined in thisp ??? */
575 #if ZEND_DEBUG
576 ZEND_UNREACHABLE();
577 #endif
578 break; /* defensive */
579 }
580
581 ns->next = NULL;
582 php_libxml_set_old_ns(thisp->doc, ns); /* note: can't deallocate as it might be referenced by a "fake namespace node" */
583 /* xmlReconciliateNs() redefines at the top of the tree instead of closest to the child, own reconciliation here.
584 * Similarly, the DOM version has other issues too (see dom_libxml_reconcile_ensure_namespaces_are_declared). */
585 dom_deep_ns_redef(thisp, ns);
586
587 break;
588 }
589 EMPTY_SWITCH_DEFAULT_CASE();
590 }
591 return true;
592 }
593
594 /* {{{ URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-6D6AC0F9
595 Modern spec URL: https://dom.spec.whatwg.org/#dom-element-removeattribute
596 Since:
597 */
PHP_METHOD(DOMElement,removeAttribute)598 PHP_METHOD(DOMElement, removeAttribute)
599 {
600 xmlNodePtr nodep, attrp;
601 dom_object *intern;
602 size_t name_len;
603 char *name;
604
605 if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &name, &name_len) == FAILURE) {
606 RETURN_THROWS();
607 }
608
609 DOM_GET_OBJ(nodep, ZEND_THIS, xmlNodePtr, intern);
610
611 attrp = dom_get_attribute_or_nsdecl(intern, nodep, BAD_CAST name, name_len);
612 if (attrp == NULL) {
613 RETURN_FALSE;
614 }
615
616 RETURN_BOOL(dom_remove_attribute(nodep, attrp));
617 }
618
PHP_METHOD(Dom_Element,removeAttribute)619 PHP_METHOD(Dom_Element, removeAttribute)
620 {
621 xmlNodePtr nodep, attrp;
622 dom_object *intern;
623 size_t name_len;
624 char *name;
625
626 if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &name, &name_len) == FAILURE) {
627 RETURN_THROWS();
628 }
629
630 DOM_GET_OBJ(nodep, ZEND_THIS, xmlNodePtr, intern);
631
632 attrp = dom_get_attribute_or_nsdecl(intern, nodep, BAD_CAST name, name_len);
633 if (attrp != NULL) {
634 dom_remove_attribute(nodep, attrp);
635 }
636 }
637 /* }}} end dom_element_remove_attribute */
638
639 /* {{{ URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-217A91B8
640 Modern spec URL: https://dom.spec.whatwg.org/#dom-element-getattributenode
641 Since:
642 */
PHP_METHOD(DOMElement,getAttributeNode)643 PHP_METHOD(DOMElement, getAttributeNode)
644 {
645 zval *id;
646 xmlNodePtr nodep, attrp;
647 size_t name_len;
648 dom_object *intern;
649 char *name;
650
651 id = ZEND_THIS;
652 if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &name, &name_len) == FAILURE) {
653 RETURN_THROWS();
654 }
655
656 DOM_GET_OBJ(nodep, id, xmlNodePtr, intern);
657
658 attrp = dom_get_attribute_or_nsdecl(intern, nodep, BAD_CAST name, name_len);
659 if (attrp == NULL) {
660 if (php_dom_follow_spec_intern(intern)) {
661 RETURN_NULL();
662 }
663 RETURN_FALSE;
664 }
665
666 if (attrp->type == XML_NAMESPACE_DECL) {
667 xmlNsPtr original = (xmlNsPtr) attrp;
668 /* Keep parent alive, because we're a fake child. */
669 GC_ADDREF(&intern->std);
670 (void) php_dom_create_fake_namespace_decl(nodep, original, return_value, intern);
671 } else {
672 DOM_RET_OBJ((xmlNodePtr) attrp, intern);
673 }
674 }
675 /* }}} end dom_element_get_attribute_node */
676
dom_element_set_attribute_node_common(INTERNAL_FUNCTION_PARAMETERS,bool use_ns,bool modern)677 static void dom_element_set_attribute_node_common(INTERNAL_FUNCTION_PARAMETERS, bool use_ns, bool modern)
678 {
679 zval *id, *node;
680 xmlNode *nodep;
681 xmlNs *nsp;
682 xmlAttr *attrp, *existattrp = NULL;
683 dom_object *intern, *attrobj, *oldobj;
684
685 id = ZEND_THIS;
686 if (zend_parse_parameters(ZEND_NUM_ARGS(), "O", &node, dom_get_attr_ce(modern)) == FAILURE) {
687 RETURN_THROWS();
688 }
689
690 DOM_GET_OBJ(nodep, id, xmlNodePtr, intern);
691 DOM_GET_OBJ(attrp, node, xmlAttrPtr, attrobj);
692
693 /* ZPP Guarantees that a DOMAttr class is given, as it is converted to a xmlAttr
694 * to pass to libxml (see http://www.xmlsoft.org/html/libxml-tree.html#xmlAttr)
695 * if it is not of type XML_ATTRIBUTE_NODE it indicates a bug somewhere */
696 ZEND_ASSERT(attrp->type == XML_ATTRIBUTE_NODE);
697
698 if (modern) {
699 if (attrp->parent != NULL && attrp->parent != nodep) {
700 php_dom_throw_error(INUSE_ATTRIBUTE_ERR, /* strict */ true);
701 RETURN_THROWS();
702 }
703 if (attrp->doc != NULL && attrp->doc != nodep->doc) {
704 php_dom_adopt_node((xmlNodePtr) attrp, intern, nodep->doc);
705 }
706 } else {
707 if (!(attrp->doc == NULL || attrp->doc == nodep->doc)) {
708 php_dom_throw_error(WRONG_DOCUMENT_ERR, dom_get_strict_error(intern->document));
709 RETURN_FALSE;
710 }
711 }
712
713 nsp = attrp->ns;
714 if (use_ns && nsp != NULL) {
715 existattrp = xmlHasNsProp(nodep, attrp->name, nsp->href);
716 } else {
717 existattrp = xmlHasProp(nodep, attrp->name);
718 }
719
720 if (existattrp != NULL && existattrp->type != XML_ATTRIBUTE_DECL) {
721 if ((oldobj = php_dom_object_get_data((xmlNodePtr) existattrp)) != NULL &&
722 ((php_libxml_node_ptr *)oldobj->ptr)->node == (xmlNodePtr) attrp)
723 {
724 RETURN_NULL();
725 }
726 xmlUnlinkNode((xmlNodePtr) existattrp);
727 }
728
729 if (attrp->parent != NULL) {
730 xmlUnlinkNode((xmlNodePtr) attrp);
731 }
732
733 if (attrp->doc == NULL && nodep->doc != NULL) {
734 attrobj->document = intern->document;
735 php_libxml_increment_doc_ref((php_libxml_node_object *)attrobj, NULL);
736 }
737
738 xmlAddChild(nodep, (xmlNodePtr) attrp);
739 if (!modern) {
740 dom_mark_ids_modified(intern->document);
741 php_dom_reconcile_attribute_namespace_after_insertion(attrp);
742 } else {
743 dom_check_register_attribute_id(attrp, intern->document);
744 }
745
746 /* Returns old property if removed otherwise NULL */
747 if (existattrp != NULL) {
748 DOM_RET_OBJ((xmlNodePtr) existattrp, intern);
749 } else {
750 RETURN_NULL();
751 }
752 }
753
754 /* {{{ URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-887236154
755 Modern spec URL: https://dom.spec.whatwg.org/#dom-element-setattributenode
756 Since:
757 */
PHP_METHOD(DOMElement,setAttributeNode)758 PHP_METHOD(DOMElement, setAttributeNode)
759 {
760 dom_element_set_attribute_node_common(INTERNAL_FUNCTION_PARAM_PASSTHRU, /* use_ns */ false, /* modern */ false);
761 }
762 /* }}} end dom_element_set_attribute_node */
763
764 /* {{{ URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-D589198
765 Since:
766 */
dom_element_remove_attribute_node(INTERNAL_FUNCTION_PARAMETERS,zend_class_entry * node_ce)767 static void dom_element_remove_attribute_node(INTERNAL_FUNCTION_PARAMETERS, zend_class_entry *node_ce)
768 {
769 zval *node;
770 xmlNode *nodep;
771 xmlAttr *attrp;
772 dom_object *intern, *attrobj;
773
774 if (zend_parse_parameters(ZEND_NUM_ARGS(), "O", &node, node_ce) == FAILURE) {
775 RETURN_THROWS();
776 }
777
778 DOM_GET_OBJ(nodep, ZEND_THIS, xmlNodePtr, intern);
779
780 DOM_GET_OBJ(attrp, node, xmlAttrPtr, attrobj);
781
782 ZEND_ASSERT(attrp->type == XML_ATTRIBUTE_NODE);
783
784 if (attrp->parent != nodep) {
785 php_dom_throw_error(NOT_FOUND_ERR, dom_get_strict_error(intern->document));
786 RETURN_FALSE;
787 }
788
789 xmlUnlinkNode((xmlNodePtr) attrp);
790
791 DOM_RET_OBJ((xmlNodePtr) attrp, intern);
792 }
793
PHP_METHOD(DOMElement,removeAttributeNode)794 PHP_METHOD(DOMElement, removeAttributeNode)
795 {
796 dom_element_remove_attribute_node(INTERNAL_FUNCTION_PARAM_PASSTHRU, dom_attr_class_entry);
797 }
798
PHP_METHOD(Dom_Element,removeAttributeNode)799 PHP_METHOD(Dom_Element, removeAttributeNode)
800 {
801 dom_element_remove_attribute_node(INTERNAL_FUNCTION_PARAM_PASSTHRU, dom_modern_attr_class_entry);
802 }
803 /* }}} end dom_element_remove_attribute_node */
804
805 /* {{{ URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-1938918D
806 Modern spec URL: https://dom.spec.whatwg.org/#concept-getelementsbytagname
807 Since:
808 */
dom_element_get_elements_by_tag_name(INTERNAL_FUNCTION_PARAMETERS,bool modern)809 static void dom_element_get_elements_by_tag_name(INTERNAL_FUNCTION_PARAMETERS, bool modern)
810 {
811 size_t name_len;
812 dom_object *intern, *namednode;
813 char *name;
814
815 if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &name, &name_len) == FAILURE) {
816 RETURN_THROWS();
817 }
818
819 DOM_GET_THIS_INTERN(intern);
820
821 if (modern) {
822 php_dom_create_iterator(return_value, DOM_HTMLCOLLECTION, true);
823 } else {
824 php_dom_create_iterator(return_value, DOM_NODELIST, false);
825 }
826 namednode = Z_DOMOBJ_P(return_value);
827 dom_namednode_iter(intern, 0, namednode, NULL, name, name_len, NULL, 0);
828 }
829
PHP_METHOD(DOMElement,getElementsByTagName)830 PHP_METHOD(DOMElement, getElementsByTagName)
831 {
832 dom_element_get_elements_by_tag_name(INTERNAL_FUNCTION_PARAM_PASSTHRU, false);
833 }
834
PHP_METHOD(Dom_Element,getElementsByTagName)835 PHP_METHOD(Dom_Element, getElementsByTagName)
836 {
837 dom_element_get_elements_by_tag_name(INTERNAL_FUNCTION_PARAM_PASSTHRU, true);
838 }
839 /* }}} end dom_element_get_elements_by_tag_name */
840
841 /* should_free_result must be initialized to false */
dom_get_attribute_ns(dom_object * intern,xmlNodePtr elemp,const char * uri,size_t uri_len,const char * name,bool * should_free_result)842 static const xmlChar *dom_get_attribute_ns(dom_object *intern, xmlNodePtr elemp, const char *uri, size_t uri_len, const char *name, bool *should_free_result)
843 {
844 bool follow_spec = php_dom_follow_spec_intern(intern);
845 if (follow_spec && uri_len == 0) {
846 uri = NULL;
847 }
848
849 xmlChar *strattr = xmlGetNsProp(elemp, BAD_CAST name, BAD_CAST uri);
850
851 if (strattr != NULL) {
852 *should_free_result = true;
853 return strattr;
854 } else {
855 if (!follow_spec && xmlStrEqual(BAD_CAST uri, BAD_CAST DOM_XMLNS_NS_URI)) {
856 xmlNsPtr nsptr = dom_get_nsdecl(elemp, BAD_CAST name);
857 if (nsptr != NULL) {
858 return nsptr->href;
859 } else {
860 return NULL;
861 }
862 } else {
863 return NULL;
864 }
865 }
866 }
867
868 /* {{{ URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-ElGetAttrNS
869 Modern spec URL: https://dom.spec.whatwg.org/#dom-element-getattributens
870 Since: DOM Level 2
871 */
PHP_METHOD(DOMElement,getAttributeNS)872 PHP_METHOD(DOMElement, getAttributeNS)
873 {
874 zval *id;
875 xmlNodePtr elemp;
876 dom_object *intern;
877 size_t uri_len = 0, name_len = 0;
878 char *uri, *name;
879
880 id = ZEND_THIS;
881 if (zend_parse_parameters(ZEND_NUM_ARGS(), "s!s", &uri, &uri_len, &name, &name_len) == FAILURE) {
882 RETURN_THROWS();
883 }
884
885 DOM_GET_OBJ(elemp, id, xmlNodePtr, intern);
886
887 bool should_free_result = false;
888 const xmlChar *result = dom_get_attribute_ns(intern, elemp, uri, uri_len, name, &should_free_result);
889 if (result == NULL) {
890 if (php_dom_follow_spec_intern(intern)) {
891 RETURN_NULL();
892 }
893 RETURN_EMPTY_STRING();
894 } else {
895 RETVAL_STRING((const char *) result);
896 if (should_free_result) {
897 xmlFree(BAD_CAST result);
898 }
899 }
900 }
901 /* }}} end dom_element_get_attribute_ns */
902
dom_set_attribute_ns_legacy(dom_object * intern,xmlNodePtr elemp,char * uri,size_t uri_len,char * name,size_t name_len,const char * value)903 static void dom_set_attribute_ns_legacy(dom_object *intern, xmlNodePtr elemp, char *uri, size_t uri_len, char *name, size_t name_len, const char *value)
904 {
905 if (name_len == 0) {
906 zend_argument_must_not_be_empty_error(2);
907 return;
908 }
909
910 xmlNodePtr nodep = NULL;
911 xmlNsPtr nsptr;
912 xmlAttr *attr;
913 char *localname = NULL, *prefix = NULL;
914 int is_xmlns = 0, name_valid;
915 bool stricterror = dom_get_strict_error(intern->document);
916
917 int errorcode = dom_check_qname(name, &localname, &prefix, uri_len, name_len);
918
919 if (errorcode == 0) {
920 dom_mark_ids_modified(intern->document);
921
922 if (uri_len > 0) {
923 nodep = (xmlNodePtr) xmlHasNsProp(elemp, BAD_CAST localname, BAD_CAST uri);
924 if (nodep != NULL && nodep->type != XML_ATTRIBUTE_DECL) {
925 node_list_unlink(nodep->children);
926 }
927
928 if ((xmlStrEqual(BAD_CAST prefix, BAD_CAST "xmlns") ||
929 (prefix == NULL && xmlStrEqual(BAD_CAST localname, BAD_CAST "xmlns"))) &&
930 xmlStrEqual(BAD_CAST uri, BAD_CAST DOM_XMLNS_NS_URI)) {
931 is_xmlns = 1;
932 if (prefix == NULL) {
933 nsptr = dom_get_nsdecl(elemp, NULL);
934 } else {
935 nsptr = dom_get_nsdecl(elemp, BAD_CAST localname);
936 }
937 } else {
938 nsptr = xmlSearchNsByHref(elemp->doc, elemp, BAD_CAST uri);
939 if (nsptr && nsptr->prefix == NULL) {
940 xmlNsPtr tmpnsptr;
941
942 tmpnsptr = nsptr->next;
943 while (tmpnsptr) {
944 if ((tmpnsptr->prefix != NULL) && (tmpnsptr->href != NULL) &&
945 (xmlStrEqual(tmpnsptr->href, BAD_CAST uri))) {
946 nsptr = tmpnsptr;
947 break;
948 }
949 tmpnsptr = tmpnsptr->next;
950 }
951 if (tmpnsptr == NULL) {
952 nsptr = dom_get_ns_resolve_prefix_conflict(elemp, (const char *) nsptr->href);
953 }
954 }
955 }
956
957 if (nsptr == NULL) {
958 if (is_xmlns == 1) {
959 xmlNewNs(elemp, BAD_CAST value, prefix == NULL ? NULL : BAD_CAST localname);
960 } else {
961 nsptr = dom_get_ns(elemp, uri, &errorcode, prefix);
962 }
963 xmlReconciliateNs(elemp->doc, elemp);
964 } else {
965 if (is_xmlns == 1) {
966 if (nsptr->href) {
967 xmlFree(BAD_CAST nsptr->href);
968 }
969 nsptr->href = xmlStrdup(BAD_CAST value);
970 }
971 }
972
973 if (errorcode == 0 && is_xmlns == 0) {
974 xmlSetNsProp(elemp, nsptr, BAD_CAST localname, BAD_CAST value);
975 }
976 } else {
977 name_valid = xmlValidateName(BAD_CAST localname, 0);
978 if (name_valid != 0) {
979 errorcode = INVALID_CHARACTER_ERR;
980 stricterror = 1;
981 } else {
982 attr = xmlHasProp(elemp, BAD_CAST localname);
983 if (attr != NULL && attr->type != XML_ATTRIBUTE_DECL) {
984 node_list_unlink(attr->children);
985 }
986 xmlSetProp(elemp, BAD_CAST localname, BAD_CAST value);
987 }
988 }
989 }
990
991 xmlFree(localname);
992 if (prefix != NULL) {
993 xmlFree(prefix);
994 }
995
996 if (errorcode != 0) {
997 php_dom_throw_error(errorcode, stricterror);
998 }
999 }
1000
1001 /* https://dom.spec.whatwg.org/#dom-element-setattributens */
dom_set_attribute_ns_modern(dom_object * intern,xmlNodePtr elemp,zend_string * uri,const zend_string * name,const char * value)1002 static void dom_set_attribute_ns_modern(dom_object *intern, xmlNodePtr elemp, zend_string *uri, const zend_string *name, const char *value)
1003 {
1004 xmlChar *localname = NULL, *prefix = NULL;
1005 int errorcode = dom_validate_and_extract(uri, name, &localname, &prefix);
1006
1007 if (errorcode == 0) {
1008 php_dom_libxml_ns_mapper *ns_mapper = php_dom_get_ns_mapper(intern);
1009 xmlNsPtr ns = php_dom_libxml_ns_mapper_get_ns_raw_prefix_string(ns_mapper, prefix, xmlStrlen(prefix), uri);
1010 xmlAttrPtr attr = xmlSetNsProp(elemp, ns, localname, BAD_CAST value);
1011 if (UNEXPECTED(attr == NULL)) {
1012 php_dom_throw_error(INVALID_STATE_ERR, /* strict */ true);
1013 } else {
1014 dom_check_register_attribute_id(attr, intern->document);
1015 }
1016 } else {
1017 php_dom_throw_error(errorcode, /* strict */ true);
1018 }
1019
1020 xmlFree(localname);
1021 xmlFree(prefix);
1022 }
1023
1024 /* {{{ URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-ElSetAttrNS
1025 Modern spec URL: https://dom.spec.whatwg.org/#dom-element-setattributens
1026 Since: DOM Level 2
1027 */
PHP_METHOD(DOMElement,setAttributeNS)1028 PHP_METHOD(DOMElement, setAttributeNS)
1029 {
1030 zval *id;
1031 xmlNodePtr elemp;
1032 size_t value_len = 0;
1033 char *value;
1034 zend_string *uri;
1035 zend_string *name = NULL;
1036 dom_object *intern;
1037
1038 id = ZEND_THIS;
1039 if (zend_parse_parameters(ZEND_NUM_ARGS(), "S!Ss", &uri, &name, &value, &value_len) == FAILURE) {
1040 RETURN_THROWS();
1041 }
1042
1043 DOM_GET_OBJ(elemp, id, xmlNodePtr, intern);
1044
1045 if (php_dom_follow_spec_intern(intern)) {
1046 dom_set_attribute_ns_modern(intern, elemp, uri, name, value);
1047 } else {
1048 dom_set_attribute_ns_legacy(intern, elemp, uri ? ZSTR_VAL(uri) : NULL, uri ? ZSTR_LEN(uri) : 0, ZSTR_VAL(name), ZSTR_LEN(name), value);
1049 }
1050 }
1051 /* }}} end dom_element_set_attribute_ns */
1052
dom_remove_eliminated_ns_single_element(xmlNodePtr node,xmlNsPtr eliminatedNs)1053 static void dom_remove_eliminated_ns_single_element(xmlNodePtr node, xmlNsPtr eliminatedNs)
1054 {
1055 ZEND_ASSERT(node->type == XML_ELEMENT_NODE);
1056 if (node->ns == eliminatedNs) {
1057 node->ns = NULL;
1058 }
1059
1060 for (xmlAttrPtr attr = node->properties; attr != NULL; attr = attr->next) {
1061 if (attr->ns == eliminatedNs) {
1062 attr->ns = NULL;
1063 }
1064 }
1065 }
1066
dom_remove_eliminated_ns(xmlNodePtr node,xmlNsPtr eliminatedNs)1067 static void dom_remove_eliminated_ns(xmlNodePtr node, xmlNsPtr eliminatedNs)
1068 {
1069 dom_remove_eliminated_ns_single_element(node, eliminatedNs);
1070
1071 xmlNodePtr base = node;
1072 node = node->children;
1073 while (node != NULL) {
1074 ZEND_ASSERT(node != base);
1075
1076 if (node->type == XML_ELEMENT_NODE) {
1077 dom_remove_eliminated_ns_single_element(node, eliminatedNs);
1078 }
1079
1080 node = php_dom_next_in_tree_order(node, base);
1081 }
1082 }
1083
dom_eliminate_ns(xmlNodePtr nodep,xmlNsPtr nsptr)1084 static void dom_eliminate_ns(xmlNodePtr nodep, xmlNsPtr nsptr)
1085 {
1086 if (nsptr->href != NULL) {
1087 xmlFree((char *) nsptr->href);
1088 nsptr->href = NULL;
1089 }
1090 if (nsptr->prefix != NULL) {
1091 xmlFree((char *) nsptr->prefix);
1092 nsptr->prefix = NULL;
1093 }
1094
1095 /* Remove it from the list and move it to the old ns list */
1096 xmlNsPtr current_ns = nodep->nsDef;
1097 if (current_ns == nsptr) {
1098 nodep->nsDef = nsptr->next;
1099 } else {
1100 do {
1101 if (current_ns->next == nsptr) {
1102 current_ns->next = nsptr->next;
1103 break;
1104 }
1105 current_ns = current_ns->next;
1106 } while (current_ns != NULL);
1107 }
1108 nsptr->next = NULL;
1109 php_libxml_set_old_ns(nodep->doc, nsptr);
1110
1111 dom_remove_eliminated_ns(nodep, nsptr);
1112 }
1113
1114 /* {{{ URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-ElRemAtNS
1115 Modern spec URL: https://dom.spec.whatwg.org/#dom-element-removeattributens
1116 Since: DOM Level 2
1117 */
PHP_METHOD(DOMElement,removeAttributeNS)1118 PHP_METHOD(DOMElement, removeAttributeNS)
1119 {
1120 zval *id;
1121 xmlNode *nodep;
1122 xmlAttr *attrp;
1123 xmlNsPtr nsptr;
1124 dom_object *intern;
1125 size_t name_len, uri_len;
1126 char *name, *uri;
1127
1128 id = ZEND_THIS;
1129 if (zend_parse_parameters(ZEND_NUM_ARGS(), "s!s", &uri, &uri_len, &name, &name_len) == FAILURE) {
1130 RETURN_THROWS();
1131 }
1132
1133 DOM_GET_OBJ(nodep, id, xmlNodePtr, intern);
1134
1135 bool follow_spec = php_dom_follow_spec_intern(intern);
1136 if (follow_spec && uri_len == 0) {
1137 uri = NULL;
1138 }
1139
1140 attrp = xmlHasNsProp(nodep, BAD_CAST name, BAD_CAST uri);
1141
1142 if (!follow_spec) {
1143 nsptr = dom_get_nsdecl(nodep, BAD_CAST name);
1144 if (nsptr != NULL) {
1145 if (xmlStrEqual(BAD_CAST uri, nsptr->href)) {
1146 dom_eliminate_ns(nodep, nsptr);
1147 } else {
1148 return;
1149 }
1150 }
1151 }
1152
1153 if (attrp && attrp->type != XML_ATTRIBUTE_DECL) {
1154 if (php_dom_object_get_data((xmlNodePtr) attrp) == NULL) {
1155 node_list_unlink(attrp->children);
1156 xmlUnlinkNode((xmlNodePtr) attrp);
1157 xmlFreeProp(attrp);
1158 } else {
1159 xmlUnlinkNode((xmlNodePtr) attrp);
1160 }
1161 }
1162 }
1163 /* }}} end dom_element_remove_attribute_ns */
1164
1165 /* {{{ URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-ElGetAtNodeNS
1166 Modern spec URL: https://dom.spec.whatwg.org/#dom-element-getattributenodens
1167 Since: DOM Level 2
1168 */
PHP_METHOD(DOMElement,getAttributeNodeNS)1169 PHP_METHOD(DOMElement, getAttributeNodeNS)
1170 {
1171 zval *id;
1172 xmlNodePtr elemp;
1173 xmlAttrPtr attrp;
1174 dom_object *intern;
1175 size_t uri_len, name_len;
1176 char *uri, *name;
1177
1178 id = ZEND_THIS;
1179 if (zend_parse_parameters(ZEND_NUM_ARGS(), "s!s", &uri, &uri_len, &name, &name_len) == FAILURE) {
1180 RETURN_THROWS();
1181 }
1182
1183 DOM_GET_OBJ(elemp, id, xmlNodePtr, intern);
1184
1185 bool follow_spec = php_dom_follow_spec_intern(intern);
1186 if (follow_spec && uri_len == 0) {
1187 uri = NULL;
1188 }
1189
1190 attrp = xmlHasNsProp(elemp, BAD_CAST name, BAD_CAST uri);
1191
1192 if (attrp == NULL) {
1193 if (!follow_spec && xmlStrEqual(BAD_CAST uri, BAD_CAST DOM_XMLNS_NS_URI)) {
1194 xmlNsPtr nsptr;
1195 nsptr = dom_get_nsdecl(elemp, BAD_CAST name);
1196 if (nsptr != NULL) {
1197 /* Keep parent alive, because we're a fake child. */
1198 GC_ADDREF(&intern->std);
1199 (void) php_dom_create_fake_namespace_decl(elemp, nsptr, return_value, intern);
1200 } else {
1201 RETURN_NULL();
1202 }
1203 } else {
1204 RETURN_NULL();
1205 }
1206 } else {
1207 DOM_RET_OBJ((xmlNodePtr) attrp, intern);
1208 }
1209
1210 }
1211 /* }}} end dom_element_get_attribute_node_ns */
1212
1213 /* {{{ URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-ElSetAtNodeNS
1214 Modern spec URL: https://dom.spec.whatwg.org/#dom-element-setattributenodens
1215 Since: DOM Level 2
1216 */
PHP_METHOD(DOMElement,setAttributeNodeNS)1217 PHP_METHOD(DOMElement, setAttributeNodeNS)
1218 {
1219 dom_element_set_attribute_node_common(INTERNAL_FUNCTION_PARAM_PASSTHRU, /* use_ns */ true, /* modern */ false);
1220 }
1221
PHP_METHOD(Dom_Element,setAttributeNodeNS)1222 PHP_METHOD(Dom_Element, setAttributeNodeNS)
1223 {
1224 dom_element_set_attribute_node_common(INTERNAL_FUNCTION_PARAM_PASSTHRU, /* use_ns */ true, /* modern */ true);
1225 }
1226 /* }}} end dom_element_set_attribute_node_ns */
1227
1228 /* {{{ URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-A6C90942
1229 Modern spec URL: https://dom.spec.whatwg.org/#concept-getelementsbytagnamens
1230 Since: DOM Level 2
1231 */
dom_element_get_elements_by_tag_name_ns(INTERNAL_FUNCTION_PARAMETERS,bool modern)1232 static void dom_element_get_elements_by_tag_name_ns(INTERNAL_FUNCTION_PARAMETERS, bool modern)
1233 {
1234 size_t uri_len, name_len;
1235 dom_object *intern, *namednode;
1236 char *uri, *name;
1237
1238 if (zend_parse_parameters(ZEND_NUM_ARGS(), "s!s", &uri, &uri_len, &name, &name_len) == FAILURE) {
1239 RETURN_THROWS();
1240 }
1241
1242 DOM_GET_THIS_INTERN(intern);
1243
1244 if (modern) {
1245 php_dom_create_iterator(return_value, DOM_HTMLCOLLECTION, true);
1246 } else {
1247 php_dom_create_iterator(return_value, DOM_NODELIST, false);
1248 }
1249 namednode = Z_DOMOBJ_P(return_value);
1250 dom_namednode_iter(intern, 0, namednode, NULL, name, name_len, uri ? uri : "", uri_len);
1251 }
1252
PHP_METHOD(DOMElement,getElementsByTagNameNS)1253 PHP_METHOD(DOMElement, getElementsByTagNameNS)
1254 {
1255 dom_element_get_elements_by_tag_name_ns(INTERNAL_FUNCTION_PARAM_PASSTHRU, false);
1256 }
1257
PHP_METHOD(Dom_Element,getElementsByTagNameNS)1258 PHP_METHOD(Dom_Element, getElementsByTagNameNS)
1259 {
1260 dom_element_get_elements_by_tag_name_ns(INTERNAL_FUNCTION_PARAM_PASSTHRU, true);
1261 }
1262 /* }}} end dom_element_get_elements_by_tag_name_ns */
1263
1264 /* {{{ URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-ElHasAttr
1265 Modern spec URL: https://dom.spec.whatwg.org/#dom-element-hasattribute
1266 Since: DOM Level 2
1267 */
PHP_METHOD(DOMElement,hasAttribute)1268 PHP_METHOD(DOMElement, hasAttribute)
1269 {
1270 zval *id;
1271 xmlNode *nodep;
1272 dom_object *intern;
1273 char *name;
1274 size_t name_len;
1275 xmlNodePtr attr;
1276
1277 id = ZEND_THIS;
1278 if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &name, &name_len) == FAILURE) {
1279 RETURN_THROWS();
1280 }
1281
1282 DOM_GET_OBJ(nodep, id, xmlNodePtr, intern);
1283
1284 attr = dom_get_attribute_or_nsdecl(intern, nodep, BAD_CAST name, name_len);
1285 if (attr == NULL) {
1286 RETURN_FALSE;
1287 } else {
1288 RETURN_TRUE;
1289 }
1290 }
1291 /* }}} end dom_element_has_attribute */
1292
1293 /* {{{ URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-ElHasAttrNS
1294 Modern spec URL: https://dom.spec.whatwg.org/#dom-element-hasattributens
1295 Since: DOM Level 2
1296 */
PHP_METHOD(DOMElement,hasAttributeNS)1297 PHP_METHOD(DOMElement, hasAttributeNS)
1298 {
1299 zval *id;
1300 xmlNodePtr elemp;
1301 dom_object *intern;
1302 size_t uri_len, name_len;
1303 char *uri, *name;
1304
1305 id = ZEND_THIS;
1306 if (zend_parse_parameters(ZEND_NUM_ARGS(), "s!s", &uri, &uri_len, &name, &name_len) == FAILURE) {
1307 RETURN_THROWS();
1308 }
1309
1310 DOM_GET_OBJ(elemp, id, xmlNodePtr, intern);
1311
1312 bool should_free_result = false;
1313 const xmlChar *result = dom_get_attribute_ns(intern, elemp, uri, uri_len, name, &should_free_result);
1314 if (result == NULL) {
1315 RETURN_FALSE;
1316 } else {
1317 if (should_free_result) {
1318 xmlFree(BAD_CAST result);
1319 }
1320 RETURN_TRUE;
1321 }
1322 }
1323 /* }}} end dom_element_has_attribute_ns */
1324
php_set_attribute_id(xmlAttrPtr attrp,bool is_id,php_libxml_ref_obj * document)1325 static void php_set_attribute_id(xmlAttrPtr attrp, bool is_id, php_libxml_ref_obj *document) /* {{{ */
1326 {
1327 if (is_id && attrp->atype != XML_ATTRIBUTE_ID) {
1328 attrp->atype = XML_ATTRIBUTE_ID;
1329 } else if (!is_id && attrp->atype == XML_ATTRIBUTE_ID) {
1330 xmlRemoveID(attrp->doc, attrp);
1331 attrp->atype = 0;
1332 }
1333
1334 dom_mark_ids_modified(document);
1335 }
1336 /* }}} */
1337
1338 /* {{{ URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-ElSetIdAttr
1339 Since: DOM Level 3
1340 */
PHP_METHOD(DOMElement,setIdAttribute)1341 PHP_METHOD(DOMElement, setIdAttribute)
1342 {
1343 zval *id;
1344 xmlNode *nodep;
1345 xmlAttrPtr attrp;
1346 dom_object *intern;
1347 char *name;
1348 size_t name_len;
1349 bool is_id;
1350
1351 id = ZEND_THIS;
1352 if (zend_parse_parameters(ZEND_NUM_ARGS(), "sb", &name, &name_len, &is_id) == FAILURE) {
1353 RETURN_THROWS();
1354 }
1355
1356 DOM_GET_OBJ(nodep, id, xmlNodePtr, intern);
1357
1358 attrp = xmlHasNsProp(nodep, BAD_CAST name, NULL);
1359 if (attrp == NULL || attrp->type == XML_ATTRIBUTE_DECL) {
1360 php_dom_throw_error(NOT_FOUND_ERR, dom_get_strict_error(intern->document));
1361 } else {
1362 php_set_attribute_id(attrp, is_id, intern->document);
1363 }
1364 }
1365 /* }}} end dom_element_set_id_attribute */
1366
1367 /* {{{ URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-ElSetIdAttrNS
1368 Since: DOM Level 3
1369 */
PHP_METHOD(DOMElement,setIdAttributeNS)1370 PHP_METHOD(DOMElement, setIdAttributeNS)
1371 {
1372 zval *id;
1373 xmlNodePtr elemp;
1374 xmlAttrPtr attrp;
1375 dom_object *intern;
1376 size_t uri_len, name_len;
1377 char *uri, *name;
1378 bool is_id;
1379
1380 id = ZEND_THIS;
1381 if (zend_parse_parameters(ZEND_NUM_ARGS(), "ssb", &uri, &uri_len, &name, &name_len, &is_id) == FAILURE) {
1382 RETURN_THROWS();
1383 }
1384
1385 DOM_GET_OBJ(elemp, id, xmlNodePtr, intern);
1386
1387 attrp = xmlHasNsProp(elemp, BAD_CAST name, BAD_CAST uri);
1388 if (attrp == NULL || attrp->type == XML_ATTRIBUTE_DECL) {
1389 php_dom_throw_error(NOT_FOUND_ERR, dom_get_strict_error(intern->document));
1390 } else {
1391 php_set_attribute_id(attrp, is_id, intern->document);
1392 }
1393 }
1394 /* }}} end dom_element_set_id_attribute_ns */
1395
1396 /* {{{ URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-ElSetIdAttrNode
1397 Since: DOM Level 3
1398 */
dom_element_set_id_attribute_node(INTERNAL_FUNCTION_PARAMETERS,zend_class_entry * attr_ce)1399 static void dom_element_set_id_attribute_node(INTERNAL_FUNCTION_PARAMETERS, zend_class_entry *attr_ce)
1400 {
1401 zval *id, *node;
1402 xmlNode *nodep;
1403 xmlAttrPtr attrp;
1404 dom_object *intern, *attrobj;
1405 bool is_id;
1406
1407 id = ZEND_THIS;
1408 if (zend_parse_parameters(ZEND_NUM_ARGS(), "Ob", &node, attr_ce, &is_id) != SUCCESS) {
1409 RETURN_THROWS();
1410 }
1411
1412 DOM_GET_OBJ(nodep, id, xmlNodePtr, intern);
1413 DOM_GET_OBJ(attrp, node, xmlAttrPtr, attrobj);
1414
1415 if (attrp->parent != nodep) {
1416 php_dom_throw_error(NOT_FOUND_ERR, dom_get_strict_error(intern->document));
1417 } else {
1418 php_set_attribute_id(attrp, is_id, intern->document);
1419 }
1420 }
1421
PHP_METHOD(DOMElement,setIdAttributeNode)1422 PHP_METHOD(DOMElement, setIdAttributeNode)
1423 {
1424 dom_element_set_id_attribute_node(INTERNAL_FUNCTION_PARAM_PASSTHRU, dom_attr_class_entry);
1425 }
1426
PHP_METHOD(Dom_Element,setIdAttributeNode)1427 PHP_METHOD(Dom_Element, setIdAttributeNode)
1428 {
1429 dom_element_set_id_attribute_node(INTERNAL_FUNCTION_PARAM_PASSTHRU, dom_modern_attr_class_entry);
1430 }
1431 /* }}} end dom_element_set_id_attribute_node */
1432
1433 /* {{{ URL:
1434 Since:
1435 */
PHP_METHOD(DOMElement,remove)1436 PHP_METHOD(DOMElement, remove)
1437 {
1438 dom_object *intern;
1439
1440 if (zend_parse_parameters_none() == FAILURE) {
1441 RETURN_THROWS();
1442 }
1443
1444 DOM_GET_THIS_INTERN(intern);
1445
1446 dom_child_node_remove(intern);
1447 }
1448 /* }}} end DOMElement::remove */
1449
PHP_METHOD(DOMElement,after)1450 PHP_METHOD(DOMElement, after)
1451 {
1452 uint32_t argc = 0;
1453 zval *args;
1454 dom_object *intern;
1455
1456 ZEND_PARSE_PARAMETERS_START(0, -1)
1457 Z_PARAM_VARIADIC('*', args, argc)
1458 ZEND_PARSE_PARAMETERS_END();
1459
1460 DOM_GET_THIS_INTERN(intern);
1461
1462 dom_parent_node_after(intern, args, argc);
1463 }
1464
PHP_METHOD(DOMElement,before)1465 PHP_METHOD(DOMElement, before)
1466 {
1467 uint32_t argc = 0;
1468 zval *args;
1469 dom_object *intern;
1470
1471 ZEND_PARSE_PARAMETERS_START(0, -1)
1472 Z_PARAM_VARIADIC('*', args, argc)
1473 ZEND_PARSE_PARAMETERS_END();
1474
1475 DOM_GET_THIS_INTERN(intern);
1476
1477 dom_parent_node_before(intern, args, argc);
1478 }
1479
1480 /* {{{ URL: https://dom.spec.whatwg.org/#dom-parentnode-append
1481 Since: DOM Living Standard (DOM4)
1482 */
PHP_METHOD(DOMElement,append)1483 PHP_METHOD(DOMElement, append)
1484 {
1485 uint32_t argc = 0;
1486 zval *args;
1487 dom_object *intern;
1488
1489 ZEND_PARSE_PARAMETERS_START(0, -1)
1490 Z_PARAM_VARIADIC('*', args, argc)
1491 ZEND_PARSE_PARAMETERS_END();
1492
1493 DOM_GET_THIS_INTERN(intern);
1494
1495 dom_parent_node_append(intern, args, argc);
1496 }
1497 /* }}} end DOMElement::append */
1498
1499 /* {{{ URL: https://dom.spec.whatwg.org/#dom-parentnode-prepend
1500 Since: DOM Living Standard (DOM4)
1501 */
PHP_METHOD(DOMElement,prepend)1502 PHP_METHOD(DOMElement, prepend)
1503 {
1504 uint32_t argc = 0;
1505 zval *args;
1506 dom_object *intern;
1507
1508 ZEND_PARSE_PARAMETERS_START(0, -1)
1509 Z_PARAM_VARIADIC('*', args, argc)
1510 ZEND_PARSE_PARAMETERS_END();
1511
1512 DOM_GET_THIS_INTERN(intern);
1513
1514 dom_parent_node_prepend(intern, args, argc);
1515 }
1516 /* }}} end DOMElement::prepend */
1517
1518 /* {{{ URL: https://dom.spec.whatwg.org/#dom-parentnode-replacechildren
1519 Since: DOM Living Standard (DOM4)
1520 */
PHP_METHOD(DOMElement,replaceWith)1521 PHP_METHOD(DOMElement, replaceWith)
1522 {
1523 uint32_t argc = 0;
1524 zval *args;
1525 dom_object *intern;
1526
1527 ZEND_PARSE_PARAMETERS_START(0, -1)
1528 Z_PARAM_VARIADIC('*', args, argc)
1529 ZEND_PARSE_PARAMETERS_END();
1530
1531 DOM_GET_THIS_INTERN(intern);
1532
1533 dom_child_replace_with(intern, args, argc);
1534 }
1535 /* }}} end DOMElement::prepend */
1536
1537 /* {{{ URL: https://dom.spec.whatwg.org/#dom-parentnode-replacechildren
1538 Since:
1539 */
PHP_METHOD(DOMElement,replaceChildren)1540 PHP_METHOD(DOMElement, replaceChildren)
1541 {
1542 uint32_t argc = 0;
1543 zval *args;
1544 dom_object *intern;
1545
1546 ZEND_PARSE_PARAMETERS_START(0, -1)
1547 Z_PARAM_VARIADIC('*', args, argc)
1548 ZEND_PARSE_PARAMETERS_END();
1549
1550 DOM_GET_THIS_INTERN(intern);
1551
1552 dom_parent_node_replace_children(intern, args, argc);
1553 }
1554 /* }}} */
1555
1556 #define INSERT_ADJACENT_RES_ADOPT_FAILED ((void*) -1)
1557 #define INSERT_ADJACENT_RES_SYNTAX_FAILED INSERT_ADJACENT_RES_ADOPT_FAILED
1558 #define INSERT_ADJACENT_RES_PRE_INSERT_FAILED ((void*) -2)
1559
dom_insert_adjacent(const zend_string * where,xmlNodePtr thisp,dom_object * this_intern,xmlNodePtr otherp)1560 static xmlNodePtr dom_insert_adjacent(const zend_string *where, xmlNodePtr thisp, dom_object *this_intern, xmlNodePtr otherp)
1561 {
1562 if (zend_string_equals_literal_ci(where, "beforebegin")) {
1563 if (thisp->parent == NULL) {
1564 return NULL;
1565 }
1566 if (!php_dom_adopt_node(otherp, this_intern, thisp->doc)) {
1567 return INSERT_ADJACENT_RES_ADOPT_FAILED;
1568 }
1569 if (!php_dom_pre_insert(this_intern->document, otherp, thisp->parent, thisp)) {
1570 return INSERT_ADJACENT_RES_PRE_INSERT_FAILED;
1571 }
1572 } else if (zend_string_equals_literal_ci(where, "afterbegin")) {
1573 if (!php_dom_adopt_node(otherp, this_intern, thisp->doc)) {
1574 return INSERT_ADJACENT_RES_ADOPT_FAILED;
1575 }
1576 if (!php_dom_pre_insert(this_intern->document, otherp, thisp, thisp->children)) {
1577 return INSERT_ADJACENT_RES_PRE_INSERT_FAILED;
1578 }
1579 } else if (zend_string_equals_literal_ci(where, "beforeend")) {
1580 if (!php_dom_adopt_node(otherp, this_intern, thisp->doc)) {
1581 return INSERT_ADJACENT_RES_ADOPT_FAILED;
1582 }
1583 if (!php_dom_pre_insert(this_intern->document, otherp, thisp, NULL)) {
1584 return INSERT_ADJACENT_RES_PRE_INSERT_FAILED;
1585 }
1586 } else if (zend_string_equals_literal_ci(where, "afterend")) {
1587 if (thisp->parent == NULL) {
1588 return NULL;
1589 }
1590 if (!php_dom_adopt_node(otherp, this_intern, thisp->doc)) {
1591 return INSERT_ADJACENT_RES_ADOPT_FAILED;
1592 }
1593 if (!php_dom_pre_insert(this_intern->document, otherp, thisp->parent, thisp->next)) {
1594 return INSERT_ADJACENT_RES_PRE_INSERT_FAILED;
1595 }
1596 } else {
1597 php_dom_throw_error(SYNTAX_ERR, dom_get_strict_error(this_intern->document));
1598 return INSERT_ADJACENT_RES_SYNTAX_FAILED;
1599 }
1600 return otherp;
1601 }
1602
1603 /* {{{ URL: https://dom.spec.whatwg.org/#dom-element-insertadjacentelement
1604 Since:
1605 */
dom_element_insert_adjacent_element(INTERNAL_FUNCTION_PARAMETERS,const zend_string * where,zval * element_zval)1606 static void dom_element_insert_adjacent_element(INTERNAL_FUNCTION_PARAMETERS, const zend_string *where, zval *element_zval)
1607 {
1608 zval *id;
1609 xmlNodePtr thisp, otherp;
1610 dom_object *this_intern, *other_intern;
1611
1612 DOM_GET_THIS_OBJ(thisp, id, xmlNodePtr, this_intern);
1613 DOM_GET_OBJ(otherp, element_zval, xmlNodePtr, other_intern);
1614
1615 xmlNodePtr result = dom_insert_adjacent(where, thisp, this_intern, otherp);
1616 if (result == NULL) {
1617 RETURN_NULL();
1618 } else if (result != INSERT_ADJACENT_RES_ADOPT_FAILED && result != INSERT_ADJACENT_RES_PRE_INSERT_FAILED) {
1619 DOM_RET_OBJ(otherp, other_intern);
1620 } else {
1621 RETURN_THROWS();
1622 }
1623 }
1624
PHP_METHOD(DOMElement,insertAdjacentElement)1625 PHP_METHOD(DOMElement, insertAdjacentElement)
1626 {
1627 zend_string *where;
1628 zval *element_zval;
1629
1630 if (zend_parse_parameters(ZEND_NUM_ARGS(), "SO", &where, &element_zval, dom_element_class_entry) != SUCCESS) {
1631 RETURN_THROWS();
1632 }
1633
1634 dom_element_insert_adjacent_element(INTERNAL_FUNCTION_PARAM_PASSTHRU, where, element_zval);
1635 }
1636
PHP_METHOD(Dom_Element,insertAdjacentElement)1637 PHP_METHOD(Dom_Element, insertAdjacentElement)
1638 {
1639 zval *element_zval, *where_zv;
1640
1641 ZEND_PARSE_PARAMETERS_START(2, 2)
1642 Z_PARAM_OBJECT_OF_CLASS(where_zv, dom_adjacent_position_class_entry)
1643 Z_PARAM_OBJECT_OF_CLASS(element_zval, dom_modern_element_class_entry)
1644 ZEND_PARSE_PARAMETERS_END();
1645
1646 const zend_string *where = Z_STR_P(zend_enum_fetch_case_name(Z_OBJ_P(where_zv)));
1647 dom_element_insert_adjacent_element(INTERNAL_FUNCTION_PARAM_PASSTHRU, where, element_zval);
1648 }
1649 /* }}} end DOMElement::insertAdjacentElement */
1650
1651 /* {{{ URL: https://dom.spec.whatwg.org/#dom-element-insertadjacenttext
1652 Since:
1653 */
dom_element_insert_adjacent_text(INTERNAL_FUNCTION_PARAMETERS,const zend_string * where,const zend_string * data)1654 static void dom_element_insert_adjacent_text(INTERNAL_FUNCTION_PARAMETERS, const zend_string *where, const zend_string *data)
1655 {
1656 dom_object *this_intern;
1657 zval *id;
1658 xmlNodePtr thisp;
1659
1660 DOM_GET_THIS_OBJ(thisp, id, xmlNodePtr, this_intern);
1661
1662 if (UNEXPECTED(ZEND_SIZE_T_INT_OVFL(ZSTR_LEN(data)))) {
1663 zend_argument_value_error(2, "is too long");
1664 RETURN_THROWS();
1665 }
1666
1667 xmlNodePtr otherp = xmlNewDocTextLen(thisp->doc, (const xmlChar *) ZSTR_VAL(data), ZSTR_LEN(data));
1668 xmlNodePtr result = dom_insert_adjacent(where, thisp, this_intern, otherp);
1669 if (result == NULL || result == INSERT_ADJACENT_RES_ADOPT_FAILED) {
1670 xmlFreeNode(otherp);
1671 }
1672 }
1673
PHP_METHOD(DOMElement,insertAdjacentText)1674 PHP_METHOD(DOMElement, insertAdjacentText)
1675 {
1676 zend_string *where, *data;
1677
1678 if (zend_parse_parameters(ZEND_NUM_ARGS(), "SS", &where, &data) == FAILURE) {
1679 RETURN_THROWS();
1680 }
1681
1682 dom_element_insert_adjacent_text(INTERNAL_FUNCTION_PARAM_PASSTHRU, where, data);
1683 }
1684
PHP_METHOD(Dom_Element,insertAdjacentText)1685 PHP_METHOD(Dom_Element, insertAdjacentText)
1686 {
1687 zval *where_zv;
1688 zend_string *data;
1689
1690 ZEND_PARSE_PARAMETERS_START(2, 2)
1691 Z_PARAM_OBJECT_OF_CLASS(where_zv, dom_adjacent_position_class_entry)
1692 Z_PARAM_STR(data)
1693 ZEND_PARSE_PARAMETERS_END();
1694
1695 const zend_string *where = Z_STR_P(zend_enum_fetch_case_name(Z_OBJ_P(where_zv)));
1696 dom_element_insert_adjacent_text(INTERNAL_FUNCTION_PARAM_PASSTHRU, where, data);
1697 }
1698 /* }}} end DOMElement::insertAdjacentText */
1699
1700 /* {{{ URL: https://dom.spec.whatwg.org/#dom-element-toggleattribute
1701 Since:
1702 */
PHP_METHOD(DOMElement,toggleAttribute)1703 PHP_METHOD(DOMElement, toggleAttribute)
1704 {
1705 char *qname, *qname_tmp = NULL;
1706 size_t qname_length;
1707 bool force, force_is_null = true;
1708 xmlNodePtr thisp;
1709 zval *id;
1710 dom_object *intern;
1711 bool retval;
1712
1713 if (zend_parse_parameters(ZEND_NUM_ARGS(), "s|b!", &qname, &qname_length, &force, &force_is_null) == FAILURE) {
1714 RETURN_THROWS();
1715 }
1716
1717 DOM_GET_THIS_OBJ(thisp, id, xmlNodePtr, intern);
1718
1719 /* Step 1 */
1720 if (xmlValidateName(BAD_CAST qname, 0) != 0) {
1721 php_dom_throw_error(INVALID_CHARACTER_ERR, true);
1722 RETURN_THROWS();
1723 }
1724
1725 bool follow_spec = php_dom_follow_spec_intern(intern);
1726
1727 /* Step 2 */
1728 if (thisp->doc != NULL && thisp->doc->type == XML_HTML_DOCUMENT_NODE
1729 && ((!follow_spec && thisp->ns == NULL) || (thisp->ns != NULL && xmlStrEqual(thisp->ns->href, BAD_CAST DOM_XHTML_NS_URI)))) {
1730 qname_tmp = zend_str_tolower_dup_ex(qname, qname_length);
1731 if (qname_tmp != NULL) {
1732 qname = qname_tmp;
1733 }
1734 }
1735
1736 /* Step 3 */
1737 xmlNodePtr attribute = dom_get_attribute_or_nsdecl(intern, thisp, BAD_CAST qname, qname_length);
1738
1739 /* Step 4 */
1740 if (attribute == NULL) {
1741 /* Step 4.1 */
1742 if (force_is_null || force) {
1743 if (follow_spec) {
1744 xmlSetNsProp(thisp, NULL, BAD_CAST qname, NULL);
1745 } else {
1746 /* The behaviour for namespaces isn't defined by spec, but this is based on observing browers behaviour.
1747 * It follows the same rules when you'd manually add an attribute using the other APIs. */
1748 int len;
1749 const xmlChar *split = xmlSplitQName3((const xmlChar *) qname, &len);
1750 if (split == NULL || strncmp(qname, "xmlns:", len + 1 /* +1 for matching ':' too */) != 0) {
1751 /* unqualified name, or qualified name with no xml namespace declaration */
1752 dom_create_attribute(thisp, qname, "");
1753 } else {
1754 /* qualified name with xml namespace declaration */
1755 xmlNewNs(thisp, (const xmlChar *) "", (const xmlChar *) (qname + len + 1));
1756 }
1757 }
1758 retval = true;
1759 goto out;
1760 }
1761 /* Step 4.2 */
1762 retval = false;
1763 goto out;
1764 }
1765
1766 /* Step 5 */
1767 if (force_is_null || !force) {
1768 dom_remove_attribute(thisp, attribute);
1769 retval = false;
1770 goto out;
1771 }
1772
1773 /* Step 6 */
1774 retval = true;
1775
1776 out:
1777 if (qname_tmp) {
1778 efree(qname_tmp);
1779 }
1780 RETURN_BOOL(retval);
1781 }
1782 /* }}} end DOMElement::prepend */
1783
php_dom_dispatch_query_selector(INTERNAL_FUNCTION_PARAMETERS,bool all)1784 static void php_dom_dispatch_query_selector(INTERNAL_FUNCTION_PARAMETERS, bool all)
1785 {
1786 zend_string *selectors_str;
1787
1788 ZEND_PARSE_PARAMETERS_START(1, 1)
1789 Z_PARAM_STR(selectors_str)
1790 ZEND_PARSE_PARAMETERS_END();
1791
1792 xmlNodePtr thisp;
1793 dom_object *intern;
1794 zval *id;
1795 DOM_GET_THIS_OBJ(thisp, id, xmlNodePtr, intern);
1796
1797 if (all) {
1798 dom_parent_node_query_selector_all(thisp, intern, return_value, selectors_str);
1799 } else {
1800 dom_parent_node_query_selector(thisp, intern, return_value, selectors_str);
1801 }
1802 }
1803
PHP_METHOD(Dom_Element,querySelector)1804 PHP_METHOD(Dom_Element, querySelector)
1805 {
1806 php_dom_dispatch_query_selector(INTERNAL_FUNCTION_PARAM_PASSTHRU, false);
1807 }
1808
PHP_METHOD(Dom_Element,querySelectorAll)1809 PHP_METHOD(Dom_Element, querySelectorAll)
1810 {
1811 php_dom_dispatch_query_selector(INTERNAL_FUNCTION_PARAM_PASSTHRU, true);
1812 }
1813
PHP_METHOD(Dom_Element,matches)1814 PHP_METHOD(Dom_Element, matches)
1815 {
1816 zend_string *selectors_str;
1817
1818 ZEND_PARSE_PARAMETERS_START(1, 1)
1819 Z_PARAM_STR(selectors_str)
1820 ZEND_PARSE_PARAMETERS_END();
1821
1822 xmlNodePtr thisp;
1823 dom_object *intern;
1824 zval *id;
1825 DOM_GET_THIS_OBJ(thisp, id, xmlNodePtr, intern);
1826
1827 dom_element_matches(thisp, intern, return_value, selectors_str);
1828 }
1829
PHP_METHOD(Dom_Element,closest)1830 PHP_METHOD(Dom_Element, closest)
1831 {
1832 zend_string *selectors_str;
1833
1834 ZEND_PARSE_PARAMETERS_START(1, 1)
1835 Z_PARAM_STR(selectors_str)
1836 ZEND_PARSE_PARAMETERS_END();
1837
1838 xmlNodePtr thisp;
1839 dom_object *intern;
1840 zval *id;
1841 DOM_GET_THIS_OBJ(thisp, id, xmlNodePtr, intern);
1842
1843 dom_element_closest(thisp, intern, return_value, selectors_str);
1844 }
1845
dom_modern_element_substituted_node_value_read(dom_object * obj,zval * retval)1846 zend_result dom_modern_element_substituted_node_value_read(dom_object *obj, zval *retval)
1847 {
1848 DOM_PROP_NODE(xmlNodePtr, nodep, obj);
1849
1850 xmlChar *content = xmlNodeGetContent(nodep);
1851
1852 if (UNEXPECTED(content == NULL)) {
1853 php_dom_throw_error(INVALID_STATE_ERR, true);
1854 return FAILURE;
1855 } else {
1856 ZVAL_STRING(retval, (const char *) content);
1857 xmlFree(content);
1858 }
1859
1860 return SUCCESS;
1861 }
1862
dom_modern_element_substituted_node_value_write(dom_object * obj,zval * newval)1863 zend_result dom_modern_element_substituted_node_value_write(dom_object *obj, zval *newval)
1864 {
1865 DOM_PROP_NODE(xmlNodePtr, nodep, obj);
1866
1867 php_libxml_invalidate_node_list_cache(obj->document);
1868 dom_remove_all_children(nodep);
1869 xmlNodeSetContentLen(nodep, (xmlChar *) Z_STRVAL_P(newval), Z_STRLEN_P(newval));
1870
1871 return SUCCESS;
1872 }
1873
dom_element_get_in_scope_namespace_info(php_dom_libxml_ns_mapper * ns_mapper,HashTable * result,xmlNodePtr nodep,dom_object * intern)1874 static void dom_element_get_in_scope_namespace_info(php_dom_libxml_ns_mapper *ns_mapper, HashTable *result, xmlNodePtr nodep, dom_object *intern)
1875 {
1876 HashTable prefix_to_ns_table;
1877 zend_hash_init(&prefix_to_ns_table, 0, NULL, NULL, false);
1878 zend_hash_real_init_mixed(&prefix_to_ns_table);
1879
1880 /* https://www.w3.org/TR/1999/REC-xpath-19991116/#namespace-nodes */
1881 for (const xmlNode *cur = nodep; cur != NULL; cur = cur->parent) {
1882 if (cur->type == XML_ELEMENT_NODE) {
1883 /* Find the last attribute */
1884 const xmlAttr *last = NULL;
1885 for (const xmlAttr *attr = cur->properties; attr != NULL; attr = attr->next) {
1886 last = attr;
1887 }
1888
1889 /* Reversed loop because the parent traversal is reversed as well,
1890 * this will keep the ordering consistent. */
1891 for (const xmlAttr *attr = last; attr != NULL; attr = attr->prev) {
1892 if (attr->ns != NULL && php_dom_ns_is_fast_ex(attr->ns, php_dom_ns_is_xmlns_magic_token)
1893 && attr->children != NULL && attr->children->content != NULL) {
1894 const char *prefix = attr->ns->prefix == NULL ? NULL : (const char *) attr->name;
1895 const char *key = prefix == NULL ? "" : prefix;
1896 xmlNsPtr ns = php_dom_libxml_ns_mapper_get_ns_raw_strings_nullsafe(ns_mapper, prefix, (const char *) attr->children->content);
1897 /* NULL is a valid value for the sentinel */
1898 zval zv;
1899 ZVAL_PTR(&zv, ns);
1900 zend_hash_str_add(&prefix_to_ns_table, key, strlen(key), &zv);
1901 }
1902 }
1903 }
1904 }
1905
1906 xmlNsPtr ns;
1907 zend_string *prefix;
1908 ZEND_HASH_MAP_REVERSE_FOREACH_STR_KEY_PTR(&prefix_to_ns_table, prefix, ns) {
1909 if (ZSTR_LEN(prefix) == 0 && (ns == NULL || ns->href == NULL || *ns->href == '\0')) {
1910 /* Exception: "the value of the xmlns attribute for the nearest such element is non-empty" */
1911 continue;
1912 }
1913
1914 zval zv;
1915 object_init_ex(&zv, dom_namespace_info_class_entry);
1916 zend_object *obj = Z_OBJ(zv);
1917
1918 if (ZSTR_LEN(prefix) != 0) {
1919 ZVAL_STR_COPY(OBJ_PROP_NUM(obj, 0), prefix);
1920 } else {
1921 ZVAL_NULL(OBJ_PROP_NUM(obj, 0));
1922 }
1923
1924 if (ns != NULL && ns->href != NULL && *ns->href != '\0') {
1925 ZVAL_STRING(OBJ_PROP_NUM(obj, 1), (const char *) ns->href);
1926 } else {
1927 ZVAL_NULL(OBJ_PROP_NUM(obj, 1));
1928 }
1929
1930 php_dom_create_object(nodep, OBJ_PROP_NUM(obj, 2), intern);
1931
1932 zend_hash_next_index_insert_new(result, &zv);
1933 } ZEND_HASH_FOREACH_END();
1934
1935 zend_hash_destroy(&prefix_to_ns_table);
1936 }
1937
PHP_METHOD(Dom_Element,getInScopeNamespaces)1938 PHP_METHOD(Dom_Element, getInScopeNamespaces)
1939 {
1940 zval *id;
1941 xmlNode *nodep;
1942 dom_object *intern;
1943
1944 ZEND_PARSE_PARAMETERS_NONE();
1945
1946 DOM_GET_THIS_OBJ(nodep, id, xmlNodePtr, intern);
1947
1948 php_dom_libxml_ns_mapper *ns_mapper = php_dom_get_ns_mapper(intern);
1949
1950 array_init(return_value);
1951 HashTable *result = Z_ARRVAL_P(return_value);
1952
1953 dom_element_get_in_scope_namespace_info(ns_mapper, result, nodep, intern);
1954 }
1955
PHP_METHOD(Dom_Element,getDescendantNamespaces)1956 PHP_METHOD(Dom_Element, getDescendantNamespaces)
1957 {
1958 zval *id;
1959 xmlNode *nodep;
1960 dom_object *intern;
1961
1962 ZEND_PARSE_PARAMETERS_NONE();
1963
1964 DOM_GET_THIS_OBJ(nodep, id, xmlNodePtr, intern);
1965
1966 php_dom_libxml_ns_mapper *ns_mapper = php_dom_get_ns_mapper(intern);
1967
1968 array_init(return_value);
1969 HashTable *result = Z_ARRVAL_P(return_value);
1970
1971 dom_element_get_in_scope_namespace_info(ns_mapper, result, nodep, intern);
1972
1973 xmlNodePtr cur = nodep->children;
1974 while (cur != NULL) {
1975 if (cur->type == XML_ELEMENT_NODE) {
1976 /* TODO: this could be more optimized by updating the same HashTable repeatedly
1977 * instead of recreating it on every node. */
1978 dom_element_get_in_scope_namespace_info(ns_mapper, result, cur, intern);
1979 }
1980
1981 cur = php_dom_next_in_tree_order(cur, nodep);
1982 }
1983 }
1984
PHP_METHOD(Dom_Element,rename)1985 PHP_METHOD(Dom_Element, rename)
1986 {
1987 zend_string *namespace_uri, *qualified_name;
1988 ZEND_PARSE_PARAMETERS_START(2, 2)
1989 Z_PARAM_STR_OR_NULL(namespace_uri)
1990 Z_PARAM_STR(qualified_name)
1991 ZEND_PARSE_PARAMETERS_END();
1992
1993 zval *id;
1994 dom_object *intern;
1995 xmlNodePtr nodep;
1996 DOM_GET_THIS_OBJ(nodep, id, xmlNodePtr, intern);
1997
1998 xmlChar *localname = NULL, *prefix = NULL;
1999 int errorcode = dom_validate_and_extract(namespace_uri, qualified_name, &localname, &prefix);
2000 if (UNEXPECTED(errorcode != 0)) {
2001 php_dom_throw_error(errorcode, /* strict */ true);
2002 goto cleanup;
2003 }
2004
2005 if (nodep->type == XML_ATTRIBUTE_NODE) {
2006 /* Check for duplicate attributes. */
2007 xmlAttrPtr existing = xmlHasNsProp(nodep->parent, localname, namespace_uri && ZSTR_VAL(namespace_uri)[0] != '\0' ? BAD_CAST ZSTR_VAL(namespace_uri) : NULL);
2008 if (existing != NULL && existing != (xmlAttrPtr) nodep) {
2009 php_dom_throw_error_with_message(INVALID_MODIFICATION_ERR, "An attribute with the given name in the given namespace already exists", /* strict */ true);
2010 goto cleanup;
2011 }
2012 } else {
2013 ZEND_ASSERT(nodep->type == XML_ELEMENT_NODE);
2014
2015 /* Check for moving to or away from the HTML namespace. */
2016 bool is_currently_html_ns = php_dom_ns_is_fast(nodep, php_dom_ns_is_html_magic_token);
2017 bool will_be_html_ns = namespace_uri != NULL && zend_string_equals_literal(namespace_uri, DOM_XHTML_NS_URI);
2018 if (is_currently_html_ns != will_be_html_ns) {
2019 if (is_currently_html_ns) {
2020 php_dom_throw_error_with_message(
2021 INVALID_MODIFICATION_ERR,
2022 "It is not possible to move an element out of the HTML namespace because the HTML namespace is tied to the HTMLElement class",
2023 /* strict */ true
2024 );
2025 } else {
2026 php_dom_throw_error_with_message(
2027 INVALID_MODIFICATION_ERR,
2028 "It is not possible to move an element into the HTML namespace because the HTML namespace is tied to the HTMLElement class",
2029 /* strict */ true
2030 );
2031 }
2032 goto cleanup;
2033 }
2034
2035 /* If we currently have a template but the new element type won't be a template, then throw away the templated content. */
2036 if (is_currently_html_ns && xmlStrEqual(nodep->name, BAD_CAST "template") && !xmlStrEqual(localname, BAD_CAST "template")) {
2037 php_dom_throw_error_with_message(
2038 INVALID_MODIFICATION_ERR,
2039 "It is not possible to rename the template element because it hosts a document fragment",
2040 /* strict */ true
2041 );
2042 goto cleanup;
2043 }
2044 }
2045
2046 php_libxml_invalidate_node_list_cache(intern->document);
2047
2048 php_dom_libxml_ns_mapper *ns_mapper = php_dom_get_ns_mapper(intern);
2049
2050 /* Update namespace uri + prefix by querying the namespace mapper */
2051 /* prefix can be NULL here, but that is taken care of by the called APIs. */
2052 nodep->ns = php_dom_libxml_ns_mapper_get_ns_raw_prefix_string(ns_mapper, prefix, xmlStrlen(prefix), namespace_uri);
2053
2054 /* Change the local name */
2055 if (xmlDictOwns(nodep->doc->dict, nodep->name) != 1) {
2056 xmlFree((xmlChar *) nodep->name);
2057 }
2058 const xmlChar *copy = xmlDictLookup(nodep->doc->dict, localname, -1);
2059 if (copy != NULL) {
2060 nodep->name = copy;
2061 } else {
2062 nodep->name = localname;
2063 localname = NULL;
2064 }
2065
2066 cleanup:
2067 xmlFree(localname);
2068 xmlFree(prefix);
2069 }
2070
2071 #endif
2072