xref: /PHP-7.2/ext/dom/domimplementation.c (revision 7a7ec01a)
1 /*
2    +----------------------------------------------------------------------+
3    | PHP Version 7                                                        |
4    +----------------------------------------------------------------------+
5    | Copyright (c) 1997-2018 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: Christian Stocker <chregu@php.net>                          |
16    |          Rob Richards <rrichards@php.net>                            |
17    +----------------------------------------------------------------------+
18 */
19 
20 /* $Id$ */
21 
22 #ifdef HAVE_CONFIG_H
23 #include "config.h"
24 #endif
25 
26 #include "php.h"
27 #if HAVE_LIBXML && HAVE_DOM
28 #include "php_dom.h"
29 
30 /* {{{ arginfo */
31 ZEND_BEGIN_ARG_INFO_EX(arginfo_dom_implementation_get_feature, 0, 0, 2)
32 	ZEND_ARG_INFO(0, feature)
33 	ZEND_ARG_INFO(0, version)
34 ZEND_END_ARG_INFO();
35 
36 ZEND_BEGIN_ARG_INFO_EX(arginfo_dom_implementation_has_feature, 0, 0, 0)
37 ZEND_END_ARG_INFO();
38 
39 ZEND_BEGIN_ARG_INFO_EX(arginfo_dom_implementation_create_documenttype, 0, 0, 3)
40 	ZEND_ARG_INFO(0, qualifiedName)
41 	ZEND_ARG_INFO(0, publicId)
42 	ZEND_ARG_INFO(0, systemId)
43 ZEND_END_ARG_INFO();
44 
45 ZEND_BEGIN_ARG_INFO_EX(arginfo_dom_implementation_create_document, 0, 0, 3)
46 	ZEND_ARG_INFO(0, namespaceURI)
47 	ZEND_ARG_INFO(0, qualifiedName)
48 	ZEND_ARG_OBJ_INFO(0, docType, DOMDocumentType, 0)
49 ZEND_END_ARG_INFO();
50 /* }}} */
51 
52 /*
53 * class DOMImplementation
54 *
55 * URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-102161490
56 * Since:
57 */
58 
59 const zend_function_entry php_dom_domimplementation_class_functions[] = {
60 	PHP_ME(domimplementation, getFeature, arginfo_dom_implementation_get_feature, ZEND_ACC_PUBLIC|ZEND_ACC_ALLOW_STATIC)
61 	PHP_ME(domimplementation, hasFeature, arginfo_dom_implementation_has_feature, ZEND_ACC_PUBLIC|ZEND_ACC_ALLOW_STATIC)
62 	PHP_ME(domimplementation, createDocumentType, arginfo_dom_implementation_create_documenttype, ZEND_ACC_PUBLIC|ZEND_ACC_ALLOW_STATIC)
63 	PHP_ME(domimplementation, createDocument, arginfo_dom_implementation_create_document, ZEND_ACC_PUBLIC|ZEND_ACC_ALLOW_STATIC)
64 	PHP_FE_END
65 };
66 
67 /* {{{ proto boolean dom_domimplementation_has_feature(string feature, string version);
68 URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-5CED94D7
69 Since:
70 */
PHP_METHOD(domimplementation,hasFeature)71 PHP_METHOD(domimplementation, hasFeature)
72 {
73 	size_t feature_len, version_len;
74 	char *feature, *version;
75 
76 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "ss", &feature, &feature_len, &version, &version_len) == FAILURE) {
77 		return;
78 	}
79 
80 	if (dom_has_feature(feature, version)) {
81 		RETURN_TRUE;
82 	} else {
83 		RETURN_FALSE;
84 	}
85 }
86 /* }}} end dom_domimplementation_has_feature */
87 
88 /* {{{ proto DOMDocumentType dom_domimplementation_create_document_type(string qualifiedName, string publicId, string systemId);
89 URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#Level-2-Core-DOM-createDocType
90 Since: DOM Level 2
91 */
PHP_METHOD(domimplementation,createDocumentType)92 PHP_METHOD(domimplementation, createDocumentType)
93 {
94 	xmlDtd *doctype;
95 	int ret;
96 	size_t name_len = 0, publicid_len = 0, systemid_len = 0;
97 	char *name = NULL, *publicid = NULL, *systemid = NULL;
98 	xmlChar *pch1 = NULL, *pch2 = NULL, *localname = NULL;
99 	xmlURIPtr uri;
100 
101 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|sss", &name, &name_len, &publicid, &publicid_len, &systemid, &systemid_len) == FAILURE) {
102 		return;
103 	}
104 
105 	if (name_len == 0) {
106 		php_error_docref(NULL, E_WARNING, "qualifiedName is required");
107 		RETURN_FALSE;
108 	}
109 
110 	if (publicid_len > 0) {
111 		pch1 = (xmlChar *) publicid;
112 	}
113 	if (systemid_len > 0) {
114 		pch2 = (xmlChar *) systemid;
115 	}
116 
117 	uri = xmlParseURI(name);
118 	if (uri != NULL && uri->opaque != NULL) {
119 		localname = xmlStrdup((xmlChar *) uri->opaque);
120 		if (xmlStrchr(localname, (xmlChar) ':') != NULL) {
121 			php_dom_throw_error(NAMESPACE_ERR, 1);
122 			xmlFreeURI(uri);
123 			xmlFree(localname);
124 			RETURN_FALSE;
125 		}
126 	} else {
127 		localname = xmlStrdup((xmlChar *) name);
128 	}
129 
130 	/* TODO: Test that localname has no invalid chars
131 	php_dom_throw_error(INVALID_CHARACTER_ERR,);
132 	*/
133 
134 	if (uri) {
135 		xmlFreeURI(uri);
136 	}
137 
138 	doctype = xmlCreateIntSubset(NULL, localname, pch1, pch2);
139 	xmlFree(localname);
140 
141 	if (doctype == NULL) {
142 		php_error_docref(NULL, E_WARNING, "Unable to create DocumentType");
143 		RETURN_FALSE;
144 	}
145 
146 	DOM_RET_OBJ((xmlNodePtr) doctype, &ret, NULL);
147 }
148 /* }}} end dom_domimplementation_create_document_type */
149 
150 /* {{{ proto DOMDocument dom_domimplementation_create_document(string namespaceURI, string qualifiedName, DOMDocumentType doctype);
151 URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#Level-2-Core-DOM-createDocument
152 Since: DOM Level 2
153 */
PHP_METHOD(domimplementation,createDocument)154 PHP_METHOD(domimplementation, createDocument)
155 {
156 	zval *node = NULL;
157 	xmlDoc *docp;
158 	xmlNode *nodep;
159 	xmlDtdPtr doctype = NULL;
160 	xmlNsPtr nsptr = NULL;
161 	int ret, errorcode = 0;
162 	size_t uri_len = 0, name_len = 0;
163 	char *uri = NULL, *name = NULL;
164 	char *prefix = NULL, *localname = NULL;
165 	dom_object *doctobj;
166 
167 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "|ssO", &uri, &uri_len, &name, &name_len, &node, dom_documenttype_class_entry) == FAILURE) {
168 		return;
169 	}
170 
171 	if (node != NULL) {
172 		DOM_GET_OBJ(doctype, node, xmlDtdPtr, doctobj);
173 		if (doctype->type == XML_DOCUMENT_TYPE_NODE) {
174 			php_error_docref(NULL, E_WARNING, "Invalid DocumentType object");
175 			RETURN_FALSE;
176 		}
177 		if (doctype->doc != NULL) {
178 			php_dom_throw_error(WRONG_DOCUMENT_ERR, 1);
179 			RETURN_FALSE;
180 		}
181 	} else {
182 		doctobj = NULL;
183 	}
184 
185 	if (name_len > 0) {
186 		errorcode = dom_check_qname(name, &localname, &prefix, 1, name_len);
187 		if (errorcode == 0 && uri_len > 0
188 			&& ((nsptr = xmlNewNs(NULL, (xmlChar *) uri, (xmlChar *) prefix)) == NULL)
189 		) {
190 			errorcode = NAMESPACE_ERR;
191 		}
192 	}
193 
194 	if (prefix != NULL) {
195 		xmlFree(prefix);
196 	}
197 
198 	if (errorcode != 0) {
199 		if (localname != NULL) {
200 			xmlFree(localname);
201 		}
202 		php_dom_throw_error(errorcode, 1);
203 		RETURN_FALSE;
204 	}
205 
206 	/* currently letting libxml2 set the version string */
207 	docp = xmlNewDoc(NULL);
208 	if (!docp) {
209 		if (localname != NULL) {
210 			xmlFree(localname);
211 		}
212 		RETURN_FALSE;
213 	}
214 
215 	if (doctype != NULL) {
216 		docp->intSubset = doctype;
217 		doctype->parent = docp;
218 		doctype->doc = docp;
219 		docp->children = (xmlNodePtr) doctype;
220 		docp->last = (xmlNodePtr) doctype;
221 	}
222 
223 	if (localname != NULL) {
224 		nodep = xmlNewDocNode(docp, nsptr, (xmlChar *) localname, NULL);
225 		if (!nodep) {
226 			if (doctype != NULL) {
227 				docp->intSubset = NULL;
228 				doctype->parent = NULL;
229 				doctype->doc = NULL;
230 				docp->children = NULL;
231 				docp->last = NULL;
232 			}
233 			xmlFreeDoc(docp);
234 			xmlFree(localname);
235 			/* Need some type of error here */
236 			php_error_docref(NULL, E_WARNING, "Unexpected Error");
237 			RETURN_FALSE;
238 		}
239 
240 		nodep->nsDef = nsptr;
241 
242 		xmlDocSetRootElement(docp, nodep);
243 		xmlFree(localname);
244 	}
245 
246 	DOM_RET_OBJ((xmlNodePtr) docp, &ret, NULL);
247 
248 	if (doctobj != NULL) {
249 		doctobj->document = ((dom_object *)((php_libxml_node_ptr *)docp->_private)->_private)->document;
250 		php_libxml_increment_doc_ref((php_libxml_node_object *)doctobj, docp);
251 	}
252 }
253 /* }}} end dom_domimplementation_create_document */
254 
255 /* {{{ proto DOMNode dom_domimplementation_get_feature(string feature, string version);
256 URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#DOMImplementation3-getFeature
257 Since: DOM Level 3
258 */
PHP_METHOD(domimplementation,getFeature)259 PHP_METHOD(domimplementation, getFeature)
260 {
261  DOM_NOT_IMPLEMENTED();
262 }
263 /* }}} end dom_domimplementation_get_feature */
264 
265 #endif
266 
267 /*
268  * Local variables:
269  * tab-width: 4
270  * c-basic-offset: 4
271  * End:
272  * vim600: noet sw=4 ts=4 fdm=marker
273  * vim<600: noet sw=4 ts=4
274  */
275