1/*
2   +----------------------------------------------------------------------+
3   | PHP Version 7                                                        |
4   +----------------------------------------------------------------------+
5   | Copyright (c) 1997-2016 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
31/* {{{ arginfo */
32ZEND_BEGIN_ARG_INFO_EX(arginfo_dom_characterdata_substring_data, 0, 0, 2)
33	ZEND_ARG_INFO(0, offset)
34	ZEND_ARG_INFO(0, count)
35ZEND_END_ARG_INFO();
36
37ZEND_BEGIN_ARG_INFO_EX(arginfo_dom_characterdata_append_data, 0, 0, 1)
38	ZEND_ARG_INFO(0, arg)
39ZEND_END_ARG_INFO();
40
41ZEND_BEGIN_ARG_INFO_EX(arginfo_dom_characterdata_insert_data, 0, 0, 2)
42	ZEND_ARG_INFO(0, offset)
43	ZEND_ARG_INFO(0, arg)
44ZEND_END_ARG_INFO();
45
46ZEND_BEGIN_ARG_INFO_EX(arginfo_dom_characterdata_delete_data, 0, 0, 2)
47	ZEND_ARG_INFO(0, offset)
48	ZEND_ARG_INFO(0, count)
49ZEND_END_ARG_INFO();
50
51ZEND_BEGIN_ARG_INFO_EX(arginfo_dom_characterdata_replace_data, 0, 0, 3)
52	ZEND_ARG_INFO(0, offset)
53	ZEND_ARG_INFO(0, count)
54	ZEND_ARG_INFO(0, arg)
55ZEND_END_ARG_INFO();
56/* }}} */
57
58/*
59* class DOMCharacterData extends DOMNode
60*
61* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-FF21A306
62* Since:
63*/
64
65const zend_function_entry php_dom_characterdata_class_functions[] = {
66	PHP_FALIAS(substringData, dom_characterdata_substring_data, arginfo_dom_characterdata_substring_data)
67	PHP_FALIAS(appendData, dom_characterdata_append_data, arginfo_dom_characterdata_append_data)
68	PHP_FALIAS(insertData, dom_characterdata_insert_data, arginfo_dom_characterdata_insert_data)
69	PHP_FALIAS(deleteData, dom_characterdata_delete_data, arginfo_dom_characterdata_delete_data)
70	PHP_FALIAS(replaceData, dom_characterdata_replace_data, arginfo_dom_characterdata_replace_data)
71	PHP_FE_END
72};
73
74/* {{{ data	string
75readonly=no
76URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-72AB8359
77Since:
78*/
79int dom_characterdata_data_read(dom_object *obj, zval *retval)
80{
81	xmlNodePtr nodep = dom_object_get_node(obj);
82	xmlChar *content;
83
84	if (nodep == NULL) {
85		php_dom_throw_error(INVALID_STATE_ERR, 0);
86		return FAILURE;
87	}
88
89	if ((content = xmlNodeGetContent(nodep)) != NULL) {
90		ZVAL_STRING(retval, (char *) content);
91		xmlFree(content);
92	} else {
93		ZVAL_EMPTY_STRING(retval);
94	}
95
96	return SUCCESS;
97}
98
99int dom_characterdata_data_write(dom_object *obj, zval *newval)
100{
101	xmlNode *nodep = dom_object_get_node(obj);
102	zend_string *str;
103
104	if (nodep == NULL) {
105		php_dom_throw_error(INVALID_STATE_ERR, 0);
106		return FAILURE;
107	}
108
109	str = zval_get_string(newval);
110
111	xmlNodeSetContentLen(nodep, (xmlChar *) ZSTR_VAL(str), ZSTR_LEN(str) + 1);
112
113	zend_string_release(str);
114	return SUCCESS;
115}
116
117/* }}} */
118
119/* {{{ length	long
120readonly=yes
121URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-7D61178C
122Since:
123*/
124int dom_characterdata_length_read(dom_object *obj, zval *retval)
125{
126	xmlNodePtr nodep = dom_object_get_node(obj);
127	xmlChar *content;
128	long length = 0;
129
130	if (nodep == NULL) {
131		php_dom_throw_error(INVALID_STATE_ERR, 0);
132		return FAILURE;
133	}
134
135	content = xmlNodeGetContent(nodep);
136
137	if (content) {
138		length = xmlUTF8Strlen(content);
139		xmlFree(content);
140	}
141
142	ZVAL_LONG(retval, length);
143
144	return SUCCESS;
145}
146
147/* }}} */
148
149/* {{{ proto string dom_characterdata_substring_data(int offset, int count);
150URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-6531BCCF
151Since:
152*/
153PHP_FUNCTION(dom_characterdata_substring_data)
154{
155	zval       *id;
156	xmlChar    *cur;
157	xmlChar    *substring;
158	xmlNodePtr  node;
159	zend_long        offset, count;
160	int         length;
161	dom_object	*intern;
162
163	if (zend_parse_method_parameters(ZEND_NUM_ARGS(), getThis(), "Oll", &id, dom_characterdata_class_entry, &offset, &count) == FAILURE) {
164		return;
165	}
166
167	DOM_GET_OBJ(node, id, xmlNodePtr, intern);
168
169	cur = xmlNodeGetContent(node);
170	if (cur == NULL) {
171		RETURN_FALSE;
172	}
173
174	length = xmlUTF8Strlen(cur);
175
176	if (offset < 0 || count < 0 || ZEND_LONG_INT_OVFL(offset) || ZEND_LONG_INT_OVFL(count) || offset > length) {
177		xmlFree(cur);
178		php_dom_throw_error(INDEX_SIZE_ERR, dom_get_strict_error(intern->document));
179		RETURN_FALSE;
180	}
181
182	if ((offset + count) > length) {
183		count = length - offset;
184	}
185
186	substring = xmlUTF8Strsub(cur, (int)offset, (int)count);
187	xmlFree(cur);
188
189	if (substring) {
190		RETVAL_STRING((char *) substring);
191		xmlFree(substring);
192	} else {
193		RETVAL_EMPTY_STRING();
194	}
195}
196/* }}} end dom_characterdata_substring_data */
197
198/* {{{ proto void dom_characterdata_append_data(string arg);
199URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-32791A2F
200Since:
201*/
202PHP_FUNCTION(dom_characterdata_append_data)
203{
204	zval *id;
205	xmlNode *nodep;
206	dom_object *intern;
207	char *arg;
208	size_t arg_len;
209
210	if (zend_parse_method_parameters(ZEND_NUM_ARGS(), getThis(), "Os", &id, dom_characterdata_class_entry, &arg, &arg_len) == FAILURE) {
211		return;
212	}
213
214	DOM_GET_OBJ(nodep, id, xmlNodePtr, intern);
215#if LIBXML_VERSION < 20627
216/* Implement logic from libxml xmlTextConcat to add suport for comments and PI */
217    if ((nodep->content == (xmlChar *) &(nodep->properties)) ||
218        ((nodep->doc != NULL) && (nodep->doc->dict != NULL) &&
219		xmlDictOwns(nodep->doc->dict, nodep->content))) {
220	nodep->content = xmlStrncatNew(nodep->content, arg, arg_len);
221    } else {
222        nodep->content = xmlStrncat(nodep->content, arg, arg_len);
223    }
224    nodep->properties = NULL;
225#else
226	xmlTextConcat(nodep, (xmlChar *) arg, arg_len);
227#endif
228	RETURN_TRUE;
229}
230/* }}} end dom_characterdata_append_data */
231
232/* {{{ proto void dom_characterdata_insert_data(int offset, string arg);
233URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-3EDB695F
234Since:
235*/
236PHP_FUNCTION(dom_characterdata_insert_data)
237{
238	zval *id;
239	xmlChar		*cur, *first, *second;
240	xmlNodePtr  node;
241	char		*arg;
242	zend_long        offset;
243	int         length;
244	size_t arg_len;
245	dom_object	*intern;
246
247	if (zend_parse_method_parameters(ZEND_NUM_ARGS(), getThis(), "Ols", &id, dom_characterdata_class_entry, &offset, &arg, &arg_len) == FAILURE) {
248		return;
249	}
250
251	DOM_GET_OBJ(node, id, xmlNodePtr, intern);
252
253	cur = xmlNodeGetContent(node);
254	if (cur == NULL) {
255		RETURN_FALSE;
256	}
257
258	length = xmlUTF8Strlen(cur);
259
260	if (offset < 0 || ZEND_LONG_INT_OVFL(offset) || offset > length) {
261		xmlFree(cur);
262		php_dom_throw_error(INDEX_SIZE_ERR, dom_get_strict_error(intern->document));
263		RETURN_FALSE;
264	}
265
266	first = xmlUTF8Strndup(cur, (int)offset);
267	second = xmlUTF8Strsub(cur, (int)offset, length - (int)offset);
268	xmlFree(cur);
269
270	xmlNodeSetContent(node, first);
271	xmlNodeAddContent(node, (xmlChar *) arg);
272	xmlNodeAddContent(node, second);
273
274	xmlFree(first);
275	xmlFree(second);
276
277	RETURN_TRUE;
278}
279/* }}} end dom_characterdata_insert_data */
280
281/* {{{ proto void dom_characterdata_delete_data(int offset, int count);
282URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-7C603781
283Since:
284*/
285PHP_FUNCTION(dom_characterdata_delete_data)
286{
287	zval *id;
288	xmlChar    *cur, *substring, *second;
289	xmlNodePtr  node;
290	zend_long        offset, count;
291	int         length;
292	dom_object	*intern;
293
294	if (zend_parse_method_parameters(ZEND_NUM_ARGS(), getThis(), "Oll", &id, dom_characterdata_class_entry, &offset, &count) == FAILURE) {
295		return;
296	}
297
298	DOM_GET_OBJ(node, id, xmlNodePtr, intern);
299
300	cur = xmlNodeGetContent(node);
301	if (cur == NULL) {
302		RETURN_FALSE;
303	}
304
305	length = xmlUTF8Strlen(cur);
306
307	if (offset < 0 || count < 0 || ZEND_LONG_INT_OVFL(offset) || ZEND_LONG_INT_OVFL(count) || offset > length) {
308		xmlFree(cur);
309		php_dom_throw_error(INDEX_SIZE_ERR, dom_get_strict_error(intern->document));
310		RETURN_FALSE;
311	}
312
313	if (offset > 0) {
314		substring = xmlUTF8Strsub(cur, 0, (int)offset);
315	} else {
316		substring = NULL;
317	}
318
319	if ((offset + count) > length) {
320		count = length - offset;
321	}
322
323	second = xmlUTF8Strsub(cur, (int)offset + (int)count, length - (int)offset);
324	substring = xmlStrcat(substring, second);
325
326	xmlNodeSetContent(node, substring);
327
328	xmlFree(cur);
329	xmlFree(second);
330	xmlFree(substring);
331
332	RETURN_TRUE;
333}
334/* }}} end dom_characterdata_delete_data */
335
336/* {{{ proto void dom_characterdata_replace_data(int offset, int count, string arg);
337URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-E5CBA7FB
338Since:
339*/
340PHP_FUNCTION(dom_characterdata_replace_data)
341{
342	zval *id;
343	xmlChar		*cur, *substring, *second = NULL;
344	xmlNodePtr  node;
345	char		*arg;
346	zend_long        offset, count;
347	int         length;
348	size_t arg_len;
349	dom_object	*intern;
350
351	if (zend_parse_method_parameters(ZEND_NUM_ARGS(), getThis(), "Olls", &id, dom_characterdata_class_entry, &offset, &count, &arg, &arg_len) == FAILURE) {
352		return;
353	}
354
355	DOM_GET_OBJ(node, id, xmlNodePtr, intern);
356
357	cur = xmlNodeGetContent(node);
358	if (cur == NULL) {
359		RETURN_FALSE;
360	}
361
362	length = xmlUTF8Strlen(cur);
363
364	if (offset < 0 || count < 0 || ZEND_LONG_INT_OVFL(offset) || ZEND_LONG_INT_OVFL(count) || offset > length) {
365		xmlFree(cur);
366		php_dom_throw_error(INDEX_SIZE_ERR, dom_get_strict_error(intern->document));
367		RETURN_FALSE;
368	}
369
370	if (offset > 0) {
371		substring = xmlUTF8Strsub(cur, 0, (int)offset);
372	} else {
373		substring = NULL;
374	}
375
376	if ((offset + count) > length) {
377		count = length - offset;
378	}
379
380	if (offset < length) {
381		second = xmlUTF8Strsub(cur, (int)offset + count, length - (int)offset);
382	}
383
384	substring = xmlStrcat(substring, (xmlChar *) arg);
385	substring = xmlStrcat(substring, second);
386
387	xmlNodeSetContent(node, substring);
388
389	xmlFree(cur);
390	if (second) {
391		xmlFree(second);
392	}
393	xmlFree(substring);
394
395	RETURN_TRUE;
396}
397/* }}} end dom_characterdata_replace_data */
398
399#endif
400
401/*
402 * Local variables:
403 * tab-width: 4
404 * c-basic-offset: 4
405 * End:
406 * vim600: noet sw=4 ts=4 fdm=marker
407 * vim<600: noet sw=4 ts=4
408 */
409