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 "php_dom.h"
25 #include "zend_interfaces.h"
26 
27 /*
28 * class DOMNodeList
29 *
30 * URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-536297177
31 * Since:
32 */
33 
get_nodelist_length(dom_object * obj)34 static int get_nodelist_length(dom_object *obj)
35 {
36 	dom_nnodemap_object *objmap = (dom_nnodemap_object *) obj->ptr;
37 	if (!objmap) {
38 		return 0;
39 	}
40 
41 	if (objmap->ht) {
42 		return xmlHashSize(objmap->ht);
43 	}
44 
45 	if (objmap->nodetype == DOM_NODESET) {
46 		HashTable *nodeht = HASH_OF(&objmap->baseobj_zv);
47 		return zend_hash_num_elements(nodeht);
48 	}
49 
50 	xmlNodePtr nodep = dom_object_get_node(objmap->baseobj);
51 	if (!nodep) {
52 		return 0;
53 	}
54 
55 	int count = 0;
56 	if (objmap->nodetype == XML_ATTRIBUTE_NODE || objmap->nodetype == XML_ELEMENT_NODE) {
57 		xmlNodePtr curnode = nodep->children;
58 		if (curnode) {
59 			count++;
60 			while (curnode->next != NULL) {
61 				count++;
62 				curnode = curnode->next;
63 			}
64 		}
65 	} else {
66 		if (nodep->type == XML_DOCUMENT_NODE || nodep->type == XML_HTML_DOCUMENT_NODE) {
67 			nodep = xmlDocGetRootElement((xmlDoc *) nodep);
68 		} else {
69 			nodep = nodep->children;
70 		}
71 		dom_get_elements_by_tag_name_ns_raw(
72 			nodep, (char *) objmap->ns, (char *) objmap->local, &count, -1);
73 	}
74 
75 	return count;
76 }
77 
78 /* {{{ length	int
79 readonly=yes
80 URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-203510337
81 Since:
82 */
dom_nodelist_length_read(dom_object * obj,zval * retval)83 int dom_nodelist_length_read(dom_object *obj, zval *retval)
84 {
85 	ZVAL_LONG(retval, get_nodelist_length(obj));
86 	return SUCCESS;
87 }
88 
89 
90 /* {{{ */
PHP_METHOD(DOMNodeList,count)91 PHP_METHOD(DOMNodeList, count)
92 {
93 	zval *id;
94 	dom_object *intern;
95 
96 	id = ZEND_THIS;
97 	if (zend_parse_parameters_none() == FAILURE) {
98 		RETURN_THROWS();
99 	}
100 
101 	intern = Z_DOMOBJ_P(id);
102 	RETURN_LONG(get_nodelist_length(intern));
103 }
104 /* }}} end dom_nodelist_count */
105 
106 /* }}} */
107 
108 /* {{{ URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-844377136
109 Since:
110 */
PHP_METHOD(DOMNodeList,item)111 PHP_METHOD(DOMNodeList, item)
112 {
113 	zval *id;
114 	zend_long index;
115 	int ret;
116 	dom_object *intern;
117 	xmlNodePtr itemnode = NULL;
118 
119 	dom_nnodemap_object *objmap;
120 	xmlNodePtr nodep, curnode;
121 	int count = 0;
122 
123 	id = ZEND_THIS;
124 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &index) == FAILURE) {
125 		RETURN_THROWS();
126 	}
127 
128 	if (index >= 0) {
129 		intern = Z_DOMOBJ_P(id);
130 
131 		objmap = (dom_nnodemap_object *)intern->ptr;
132 		if (objmap != NULL) {
133 			if (objmap->ht) {
134 				if (objmap->nodetype == XML_ENTITY_NODE) {
135 					itemnode = php_dom_libxml_hash_iter(objmap->ht, index);
136 				} else {
137 					itemnode = php_dom_libxml_notation_iter(objmap->ht, index);
138 				}
139 			} else {
140 				if (objmap->nodetype == DOM_NODESET) {
141 					HashTable *nodeht = HASH_OF(&objmap->baseobj_zv);
142 					zval *entry = zend_hash_index_find(nodeht, index);
143 					if (entry) {
144 						ZVAL_COPY(return_value, entry);
145 						return;
146 					}
147 				} else if (objmap->baseobj) {
148 					nodep = dom_object_get_node(objmap->baseobj);
149 					if (nodep) {
150 						if (objmap->nodetype == XML_ATTRIBUTE_NODE || objmap->nodetype == XML_ELEMENT_NODE) {
151 							curnode = nodep->children;
152 							while (count < index && curnode != NULL) {
153 								count++;
154 								curnode = curnode->next;
155 							}
156 							itemnode = curnode;
157 						} else {
158 							if (nodep->type == XML_DOCUMENT_NODE || nodep->type == XML_HTML_DOCUMENT_NODE) {
159 								nodep = xmlDocGetRootElement((xmlDoc *) nodep);
160 							} else {
161 								nodep = nodep->children;
162 							}
163 							itemnode = dom_get_elements_by_tag_name_ns_raw(nodep, (char *) objmap->ns, (char *) objmap->local, &count, index);
164 						}
165 					}
166 				}
167 			}
168 		}
169 
170 		if (itemnode) {
171 			DOM_RET_OBJ(itemnode, &ret, objmap->baseobj);
172 			return;
173 		}
174 	}
175 
176 	RETVAL_NULL();
177 }
178 /* }}} end dom_nodelist_item */
179 
ZEND_METHOD(DOMNodeList,getIterator)180 ZEND_METHOD(DOMNodeList, getIterator)
181 {
182 	if (zend_parse_parameters_none() == FAILURE) {
183 		return;
184 	}
185 
186 	zend_create_internal_iterator_zval(return_value, ZEND_THIS);
187 }
188 
189 #endif
190