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|
/*
+----------------------------------------------------------------------+
| Copyright (c) The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| https://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Christian Stocker <chregu@php.net> |
| Rob Richards <rrichards@php.net> |
+----------------------------------------------------------------------+
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#if defined(HAVE_LIBXML) && defined(HAVE_DOM)
#include "php_dom.h"
#include "dom_properties.h"
/*
* class DOMEntityReference extends DOMNode
*
* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-11C98490
* Since:
*/
/* {{{ */
PHP_METHOD(DOMEntityReference, __construct)
{
xmlNode *node;
xmlNodePtr oldnode = NULL;
dom_object *intern;
char *name;
size_t name_len, name_valid;
if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &name, &name_len) == FAILURE) {
RETURN_THROWS();
}
name_valid = xmlValidateName((xmlChar *) name, 0);
if (name_valid != 0) {
php_dom_throw_error(INVALID_CHARACTER_ERR, 1);
RETURN_THROWS();
}
node = xmlNewReference(NULL, (xmlChar *) name);
if (!node) {
php_dom_throw_error(INVALID_STATE_ERR, 1);
RETURN_THROWS();
}
intern = Z_DOMOBJ_P(ZEND_THIS);
oldnode = dom_object_get_node(intern);
if (oldnode != NULL) {
php_libxml_node_decrement_resource((php_libxml_node_object *)intern);
}
php_libxml_increment_node_ptr((php_libxml_node_object *)intern, node, (void *)intern);
}
/* }}} end DOMEntityReference::__construct */
/* The following property handlers are necessary because of special lifetime management with entities and entity
* references. The issue is that entity references hold a reference to an entity declaration, but don't
* register that reference anywhere. When the entity declaration disappears we have no way of notifying the
* entity references. Override the property handlers for the declaration-accessing properties to fix this problem. */
xmlEntityPtr dom_entity_reference_fetch_and_sync_declaration(xmlNodePtr reference)
{
xmlEntityPtr entity = xmlGetDocEntity(reference->doc, reference->name);
reference->children = (xmlNodePtr) entity;
reference->last = (xmlNodePtr) entity;
reference->content = entity ? entity->content : NULL;
return entity;
}
int dom_entity_reference_child_read(dom_object *obj, zval *retval)
{
xmlNodePtr nodep = dom_object_get_node(obj);
if (nodep == NULL) {
php_dom_throw_error(INVALID_STATE_ERR, true);
return FAILURE;
}
xmlEntityPtr entity = dom_entity_reference_fetch_and_sync_declaration(nodep);
if (entity == NULL) {
ZVAL_NULL(retval);
return SUCCESS;
}
php_dom_create_object((xmlNodePtr) entity, retval, obj);
return SUCCESS;
}
int dom_entity_reference_text_content_read(dom_object *obj, zval *retval)
{
xmlNodePtr nodep = dom_object_get_node(obj);
if (nodep == NULL) {
php_dom_throw_error(INVALID_STATE_ERR, true);
return FAILURE;
}
dom_entity_reference_fetch_and_sync_declaration(nodep);
return dom_node_text_content_read(obj, retval);
}
int dom_entity_reference_child_nodes_read(dom_object *obj, zval *retval)
{
xmlNodePtr nodep = dom_object_get_node(obj);
if (nodep == NULL) {
php_dom_throw_error(INVALID_STATE_ERR, true);
return FAILURE;
}
dom_entity_reference_fetch_and_sync_declaration(nodep);
return dom_node_child_nodes_read(obj, retval);
}
#endif
|
