1/*
2   +----------------------------------------------------------------------+
3   | PHP Version 7                                                        |
4   +----------------------------------------------------------------------+
5   | Copyright (c) 1997-2014 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 TSRMLS_DC)
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 TSRMLS_CC);
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 TSRMLS_DC)
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 TSRMLS_CC);
106        return FAILURE;
107    }
108
109    str = zval_get_string(newval);
110
111    xmlNodeSetContentLen(nodep, (xmlChar *) str->val, str->len + 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 TSRMLS_DC)
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 TSRMLS_CC);
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() TSRMLS_CC, 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 || offset > length) {
177        xmlFree(cur);
178        php_dom_throw_error(INDEX_SIZE_ERR, dom_get_strict_error(intern->document) TSRMLS_CC);
179        RETURN_FALSE;
180    }
181
182    if ((offset + count) > length) {
183        count = length - offset;
184    }
185
186    substring = xmlUTF8Strsub(cur, offset, 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() TSRMLS_CC, 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() TSRMLS_CC, 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 || offset > length) {
261        xmlFree(cur);
262        php_dom_throw_error(INDEX_SIZE_ERR, dom_get_strict_error(intern->document) TSRMLS_CC);
263        RETURN_FALSE;
264    }
265
266    first = xmlUTF8Strndup(cur, offset);
267    second = xmlUTF8Strsub(cur, offset, length - 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() TSRMLS_CC, 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 || offset > length) {
308        xmlFree(cur);
309        php_dom_throw_error(INDEX_SIZE_ERR, dom_get_strict_error(intern->document) TSRMLS_CC);
310        RETURN_FALSE;
311    }
312
313    if (offset > 0) {
314        substring = xmlUTF8Strsub(cur, 0, offset);
315    } else {
316        substring = NULL;
317    }
318
319    if ((offset + count) > length) {
320        count = length - offset;
321    }
322
323    second = xmlUTF8Strsub(cur, offset + count, length - 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() TSRMLS_CC, 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 || offset > length) {
365        xmlFree(cur);
366        php_dom_throw_error(INDEX_SIZE_ERR, dom_get_strict_error(intern->document) TSRMLS_CC);
367        RETURN_FALSE;
368    }
369
370    if (offset > 0) {
371        substring = xmlUTF8Strsub(cur, 0, 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, offset + count, length - 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