1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 7 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) The PHP Group |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 3.01 of the PHP license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.php.net/license/3_01.txt |
11 | If you did not receive a copy of the PHP license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@php.net so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Authors: Marcus Boerger <helly@php.net> |
16 +----------------------------------------------------------------------+
17 */
18
19 #ifdef HAVE_CONFIG_H
20 # include "config.h"
21 #endif
22
23 #include "php.h"
24 #include "php_ini.h"
25 #include "ext/standard/info.h"
26 #include "zend_interfaces.h"
27
28 #include "php_simplexml.h"
29 #include "ext/spl/php_spl.h"
30 #include "ext/spl/spl_iterators.h"
31 #include "sxe.h"
32
33 PHP_SXE_API zend_class_entry *ce_SimpleXMLIterator = NULL;
34 PHP_SXE_API zend_class_entry *ce_SimpleXMLElement;
35
36 #include "php_simplexml_exports.h"
37
38 /* {{{ proto void SimpleXMLIterator::rewind()
39 Rewind to first element */
PHP_METHOD(ce_SimpleXMLIterator,rewind)40 PHP_METHOD(ce_SimpleXMLIterator, rewind)
41 {
42 if (zend_parse_parameters_none() == FAILURE) {
43 return;
44 }
45
46 php_sxe_rewind_iterator(Z_SXEOBJ_P(ZEND_THIS));
47 }
48 /* }}} */
49
50 /* {{{ proto bool SimpleXMLIterator::valid()
51 Check whether iteration is valid */
PHP_METHOD(ce_SimpleXMLIterator,valid)52 PHP_METHOD(ce_SimpleXMLIterator, valid)
53 {
54 php_sxe_object *sxe = Z_SXEOBJ_P(ZEND_THIS);
55
56 if (zend_parse_parameters_none() == FAILURE) {
57 return;
58 }
59
60 RETURN_BOOL(!Z_ISUNDEF(sxe->iter.data));
61 }
62 /* }}} */
63
64 /* {{{ proto SimpleXMLIterator SimpleXMLIterator::current()
65 Get current element */
PHP_METHOD(ce_SimpleXMLIterator,current)66 PHP_METHOD(ce_SimpleXMLIterator, current)
67 {
68 php_sxe_object *sxe = Z_SXEOBJ_P(ZEND_THIS);
69 zval *data;
70
71 if (zend_parse_parameters_none() == FAILURE) {
72 return;
73 }
74
75 if (Z_ISUNDEF(sxe->iter.data)) {
76 return; /* return NULL */
77 }
78
79 data = &sxe->iter.data;
80 ZVAL_COPY_DEREF(return_value, data);
81 }
82 /* }}} */
83
84 /* {{{ proto string SimpleXMLIterator::key()
85 Get name of current child element */
PHP_METHOD(ce_SimpleXMLIterator,key)86 PHP_METHOD(ce_SimpleXMLIterator, key)
87 {
88 xmlNodePtr curnode;
89 php_sxe_object *intern;
90 php_sxe_object *sxe = Z_SXEOBJ_P(ZEND_THIS);
91
92 if (zend_parse_parameters_none() == FAILURE) {
93 return;
94 }
95
96 if (Z_ISUNDEF(sxe->iter.data)) {
97 RETURN_FALSE;
98 }
99
100 intern = Z_SXEOBJ_P(&sxe->iter.data);
101 if (intern != NULL && intern->node != NULL) {
102 curnode = (xmlNodePtr)((php_libxml_node_ptr *)intern->node)->node;
103 RETURN_STRINGL((char*)curnode->name, xmlStrlen(curnode->name));
104 }
105
106 RETURN_FALSE;
107 }
108 /* }}} */
109
110 /* {{{ proto void SimpleXMLIterator::next()
111 Move to next element */
PHP_METHOD(ce_SimpleXMLIterator,next)112 PHP_METHOD(ce_SimpleXMLIterator, next)
113 {
114 if (zend_parse_parameters_none() == FAILURE) {
115 return;
116 }
117
118 php_sxe_move_forward_iterator(Z_SXEOBJ_P(ZEND_THIS));
119 }
120 /* }}} */
121
122 /* {{{ proto bool SimpleXMLIterator::hasChildren()
123 Check whether element has children (elements) */
PHP_METHOD(ce_SimpleXMLIterator,hasChildren)124 PHP_METHOD(ce_SimpleXMLIterator, hasChildren)
125 {
126 php_sxe_object *sxe = Z_SXEOBJ_P(ZEND_THIS);
127 php_sxe_object *child;
128 xmlNodePtr node;
129
130 if (zend_parse_parameters_none() == FAILURE) {
131 return;
132 }
133
134 if (Z_ISUNDEF(sxe->iter.data) || sxe->iter.type == SXE_ITER_ATTRLIST) {
135 RETURN_FALSE;
136 }
137 child = Z_SXEOBJ_P(&sxe->iter.data);
138
139 GET_NODE(child, node);
140 if (node) {
141 node = node->children;
142 }
143 while (node && node->type != XML_ELEMENT_NODE) {
144 node = node->next;
145 }
146 RETURN_BOOL(node ? 1 : 0);
147 }
148 /* }}} */
149
150 /* {{{ proto SimpleXMLIterator SimpleXMLIterator::getChildren()
151 Get child element iterator */
PHP_METHOD(ce_SimpleXMLIterator,getChildren)152 PHP_METHOD(ce_SimpleXMLIterator, getChildren)
153 {
154 php_sxe_object *sxe = Z_SXEOBJ_P(ZEND_THIS);
155 zval *data;
156
157 if (zend_parse_parameters_none() == FAILURE) {
158 return;
159 }
160
161 if (Z_ISUNDEF(sxe->iter.data) || sxe->iter.type == SXE_ITER_ATTRLIST) {
162 return; /* return NULL */
163 }
164
165 data = &sxe->iter.data;
166 ZVAL_COPY_DEREF(return_value, data);
167 }
168
169 /* {{{ arginfo */
170 ZEND_BEGIN_ARG_INFO(arginfo_simplexmliterator__void, 0)
171 ZEND_END_ARG_INFO()
172 /* }}} */
173
174 static const zend_function_entry funcs_SimpleXMLIterator[] = {
175 PHP_ME(ce_SimpleXMLIterator, rewind, arginfo_simplexmliterator__void, ZEND_ACC_PUBLIC)
176 PHP_ME(ce_SimpleXMLIterator, valid, arginfo_simplexmliterator__void, ZEND_ACC_PUBLIC)
177 PHP_ME(ce_SimpleXMLIterator, current, arginfo_simplexmliterator__void, ZEND_ACC_PUBLIC)
178 PHP_ME(ce_SimpleXMLIterator, key, arginfo_simplexmliterator__void, ZEND_ACC_PUBLIC)
179 PHP_ME(ce_SimpleXMLIterator, next, arginfo_simplexmliterator__void, ZEND_ACC_PUBLIC)
180 PHP_ME(ce_SimpleXMLIterator, hasChildren, arginfo_simplexmliterator__void, ZEND_ACC_PUBLIC)
181 PHP_ME(ce_SimpleXMLIterator, getChildren, arginfo_simplexmliterator__void, ZEND_ACC_PUBLIC)
182 PHP_FE_END
183 };
184 /* }}} */
185
PHP_MINIT_FUNCTION(sxe)186 PHP_MINIT_FUNCTION(sxe) /* {{{ */
187 {
188 zend_class_entry *pce;
189 zend_class_entry sxi;
190
191 if ((pce = zend_hash_str_find_ptr(CG(class_table), "simplexmlelement", sizeof("SimpleXMLElement") - 1)) == NULL) {
192 ce_SimpleXMLElement = NULL;
193 ce_SimpleXMLIterator = NULL;
194 return SUCCESS; /* SimpleXML must be initialized before */
195 }
196
197 ce_SimpleXMLElement = pce;
198
199 INIT_CLASS_ENTRY_EX(sxi, "SimpleXMLIterator", sizeof("SimpleXMLIterator") - 1, funcs_SimpleXMLIterator);
200 ce_SimpleXMLIterator = zend_register_internal_class_ex(&sxi, ce_SimpleXMLElement);
201 ce_SimpleXMLIterator->create_object = ce_SimpleXMLElement->create_object;
202
203 zend_class_implements(ce_SimpleXMLIterator, 1, spl_ce_RecursiveIterator);
204 zend_class_implements(ce_SimpleXMLIterator, 1, zend_ce_countable);
205
206 return SUCCESS;
207 }
208 /* }}} */
209
