xref: /PHP-8.1/ext/dom/processinginstruction.c (revision 08c4db7f)
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 
26 /*
27 * class DOMProcessingInstruction extends DOMNode
28 *
29 * URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-1004215813
30 * Since:
31 */
32 
33 /* {{{ */
PHP_METHOD(DOMProcessingInstruction,__construct)34 PHP_METHOD(DOMProcessingInstruction, __construct)
35 {
36 	xmlNodePtr nodep = NULL, oldnode = NULL;
37 	dom_object *intern;
38 	char *name, *value = NULL;
39 	size_t name_len, value_len;
40 	int name_valid;
41 
42 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "s|s", &name, &name_len, &value, &value_len) == FAILURE) {
43 		RETURN_THROWS();
44 	}
45 
46 	name_valid = xmlValidateName((xmlChar *) name, 0);
47 	if (name_valid != 0) {
48 		php_dom_throw_error(INVALID_CHARACTER_ERR, 1);
49 		RETURN_THROWS();
50 	}
51 
52 	nodep = xmlNewPI((xmlChar *) name, (xmlChar *) value);
53 
54 	if (!nodep) {
55 		php_dom_throw_error(INVALID_STATE_ERR, 1);
56 		RETURN_THROWS();
57 	}
58 
59 	intern = Z_DOMOBJ_P(ZEND_THIS);
60 	oldnode = dom_object_get_node(intern);
61 	if (oldnode != NULL) {
62 		php_libxml_node_decrement_resource((php_libxml_node_object *)intern);
63 	}
64 	php_libxml_increment_node_ptr((php_libxml_node_object *)intern, nodep, (void *)intern);
65 }
66 /* }}} end DOMProcessingInstruction::__construct */
67 
68 /* {{{ target	string
69 readonly=yes
70 URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-1478689192
71 Since:
72 */
dom_processinginstruction_target_read(dom_object * obj,zval * retval)73 int dom_processinginstruction_target_read(dom_object *obj, zval *retval)
74 {
75 	xmlNodePtr nodep = dom_object_get_node(obj);
76 
77 	if (nodep == NULL) {
78 		php_dom_throw_error(INVALID_STATE_ERR, 1);
79 		return FAILURE;
80 	}
81 
82 	ZVAL_STRING(retval, (char *) (nodep->name));
83 
84 	return SUCCESS;
85 }
86 
87 /* }}} */
88 
89 /* {{{ data	string
90 readonly=no
91 URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-837822393
92 Since:
93 */
dom_processinginstruction_data_read(dom_object * obj,zval * retval)94 int dom_processinginstruction_data_read(dom_object *obj, zval *retval)
95 {
96 	xmlNodePtr nodep;
97 	xmlChar *content;
98 
99 	nodep = dom_object_get_node(obj);
100 
101 	if (nodep == NULL) {
102 		php_dom_throw_error(INVALID_STATE_ERR, 1);
103 		return FAILURE;
104 	}
105 
106 	if ((content = xmlNodeGetContent(nodep)) != NULL) {
107 		ZVAL_STRING(retval, (char *) content);
108 		xmlFree(content);
109 	} else {
110 		ZVAL_EMPTY_STRING(retval);
111 	}
112 
113 	return SUCCESS;
114 }
115 
dom_processinginstruction_data_write(dom_object * obj,zval * newval)116 int dom_processinginstruction_data_write(dom_object *obj, zval *newval)
117 {
118 	xmlNode *nodep = dom_object_get_node(obj);
119 	zend_string *str;
120 
121 	if (nodep == NULL) {
122 		php_dom_throw_error(INVALID_STATE_ERR, 1);
123 		return FAILURE;
124 	}
125 
126 	str = zval_try_get_string(newval);
127 	if (UNEXPECTED(!str)) {
128 		return FAILURE;
129 	}
130 
131 	xmlNodeSetContentLen(nodep, (xmlChar *) ZSTR_VAL(str), ZSTR_LEN(str) + 1);
132 
133 	zend_string_release_ex(str, 0);
134 	return SUCCESS;
135 }
136 
137 /* }}} */
138 
139 #endif
140