php-src/ext/dom/characterdata.c
2007-12-31 07:17:19 +00:00

395 lines
9.5 KiB
C

/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2008 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Christian Stocker <chregu@php.net> |
| Rob Richards <rrichards@php.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#if HAVE_LIBXML && HAVE_DOM
#include "php_dom.h"
/*
* class DOMCharacterData extends DOMNode
*
* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-FF21A306
* Since:
*/
const zend_function_entry php_dom_characterdata_class_functions[] = {
PHP_FALIAS(substringData, dom_characterdata_substring_data, NULL)
PHP_FALIAS(appendData, dom_characterdata_append_data, NULL)
PHP_FALIAS(insertData, dom_characterdata_insert_data, NULL)
PHP_FALIAS(deleteData, dom_characterdata_delete_data, NULL)
PHP_FALIAS(replaceData, dom_characterdata_replace_data, NULL)
{NULL, NULL, NULL}
};
/* {{{ data string
readonly=no
URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-72AB8359
Since:
*/
int dom_characterdata_data_read(dom_object *obj, zval **retval TSRMLS_DC)
{
xmlNodePtr nodep;
xmlChar *content;
nodep = dom_object_get_node(obj);
if (nodep == NULL) {
php_dom_throw_error(INVALID_STATE_ERR, 0 TSRMLS_CC);
return FAILURE;
}
ALLOC_ZVAL(*retval);
if ((content = xmlNodeGetContent(nodep)) != NULL) {
ZVAL_STRING(*retval, content, 1);
xmlFree(content);
} else {
ZVAL_EMPTY_STRING(*retval);
}
return SUCCESS;
}
int dom_characterdata_data_write(dom_object *obj, zval *newval TSRMLS_DC)
{
zval value_copy;
xmlNode *nodep;
nodep = dom_object_get_node(obj);
if (nodep == NULL) {
php_dom_throw_error(INVALID_STATE_ERR, 0 TSRMLS_CC);
return FAILURE;
}
if (newval->type != IS_STRING) {
if(Z_REFCOUNT_P(newval) > 1) {
value_copy = *newval;
zval_copy_ctor(&value_copy);
newval = &value_copy;
}
convert_to_string(newval);
}
xmlNodeSetContentLen(nodep, Z_STRVAL_P(newval), Z_STRLEN_P(newval) + 1);
if (newval == &value_copy) {
zval_dtor(newval);
}
return SUCCESS;
}
/* }}} */
/* {{{ length long
readonly=yes
URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-7D61178C
Since:
*/
int dom_characterdata_length_read(dom_object *obj, zval **retval TSRMLS_DC)
{
xmlNodePtr nodep;
xmlChar *content;
long length = 0;
nodep = dom_object_get_node(obj);
if (nodep == NULL) {
php_dom_throw_error(INVALID_STATE_ERR, 0 TSRMLS_CC);
return FAILURE;
}
ALLOC_ZVAL(*retval);
content = xmlNodeGetContent(nodep);
if (content) {
length = xmlUTF8Strlen(content);
xmlFree(content);
}
ZVAL_LONG(*retval, length);
return SUCCESS;
}
/* }}} */
/* {{{ proto string dom_characterdata_substring_data(int offset, int count);
URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-6531BCCF
Since:
*/
PHP_FUNCTION(dom_characterdata_substring_data)
{
zval *id;
xmlChar *cur;
xmlChar *substring;
xmlNodePtr node;
long offset, count;
int length;
dom_object *intern;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Oll", &id, dom_characterdata_class_entry, &offset, &count) == FAILURE) {
return;
}
DOM_GET_OBJ(node, id, xmlNodePtr, intern);
cur = xmlNodeGetContent(node);
if (cur == NULL) {
RETURN_FALSE;
}
length = xmlUTF8Strlen(cur);
if (offset < 0 || count < 0 || offset > length) {
xmlFree(cur);
php_dom_throw_error(INDEX_SIZE_ERR, dom_get_strict_error(intern->document) TSRMLS_CC);
RETURN_FALSE;
}
if ((offset + count) > length) {
count = length - offset;
}
substring = xmlUTF8Strsub(cur, offset, count);
xmlFree(cur);
if (substring) {
RETVAL_STRING(substring, 1);
xmlFree(substring);
} else {
RETVAL_EMPTY_STRING();
}
}
/* }}} end dom_characterdata_substring_data */
/* {{{ proto void dom_characterdata_append_data(string arg);
URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-32791A2F
Since:
*/
PHP_FUNCTION(dom_characterdata_append_data)
{
zval *id;
xmlNode *nodep;
dom_object *intern;
char *arg;
int arg_len;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Os", &id, dom_characterdata_class_entry, &arg, &arg_len) == FAILURE) {
return;
}
DOM_GET_OBJ(nodep, id, xmlNodePtr, intern);
#if LIBXML_VERSION < 20627
/* Implement logic from libxml xmlTextConcat to add suport for comments and PI */
if ((nodep->content == (xmlChar *) &(nodep->properties)) ||
((nodep->doc != NULL) && (nodep->doc->dict != NULL) &&
xmlDictOwns(nodep->doc->dict, nodep->content))) {
nodep->content = xmlStrncatNew(nodep->content, arg, arg_len);
} else {
nodep->content = xmlStrncat(nodep->content, arg, arg_len);
}
nodep->properties = NULL;
#else
xmlTextConcat(nodep, arg, arg_len);
#endif
RETURN_TRUE;
}
/* }}} end dom_characterdata_append_data */
/* {{{ proto void dom_characterdata_insert_data(int offset, string arg);
URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-3EDB695F
Since:
*/
PHP_FUNCTION(dom_characterdata_insert_data)
{
zval *id;
xmlChar *cur, *first, *second;
xmlNodePtr node;
char *arg;
long offset;
int length, arg_len;
dom_object *intern;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Ols", &id, dom_characterdata_class_entry, &offset, &arg, &arg_len) == FAILURE) {
return;
}
DOM_GET_OBJ(node, id, xmlNodePtr, intern);
cur = xmlNodeGetContent(node);
if (cur == NULL) {
RETURN_FALSE;
}
length = xmlUTF8Strlen(cur);
if (offset < 0 || offset > length) {
xmlFree(cur);
php_dom_throw_error(INDEX_SIZE_ERR, dom_get_strict_error(intern->document) TSRMLS_CC);
RETURN_FALSE;
}
first = xmlUTF8Strndup(cur, offset);
second = xmlUTF8Strsub(cur, offset, length - offset);
xmlFree(cur);
xmlNodeSetContent(node, first);
xmlNodeAddContent(node, arg);
xmlNodeAddContent(node, second);
xmlFree(first);
xmlFree(second);
RETURN_TRUE;
}
/* }}} end dom_characterdata_insert_data */
/* {{{ proto void dom_characterdata_delete_data(int offset, int count);
URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-7C603781
Since:
*/
PHP_FUNCTION(dom_characterdata_delete_data)
{
zval *id;
xmlChar *cur, *substring, *second;
xmlNodePtr node;
long offset, count;
int length;
dom_object *intern;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Oll", &id, dom_characterdata_class_entry, &offset, &count) == FAILURE) {
return;
}
DOM_GET_OBJ(node, id, xmlNodePtr, intern);
cur = xmlNodeGetContent(node);
if (cur == NULL) {
RETURN_FALSE;
}
length = xmlUTF8Strlen(cur);
if (offset < 0 || count < 0 || offset > length) {
xmlFree(cur);
php_dom_throw_error(INDEX_SIZE_ERR, dom_get_strict_error(intern->document) TSRMLS_CC);
RETURN_FALSE;
}
if (offset > 0) {
substring = xmlUTF8Strsub(cur, 0, offset);
} else {
substring = NULL;
}
if ((offset + count) > length) {
count = length - offset;
}
second = xmlUTF8Strsub(cur, offset + count, length - offset);
substring = xmlStrcat(substring, second);
xmlNodeSetContent(node, substring);
xmlFree(cur);
xmlFree(second);
xmlFree(substring);
RETURN_TRUE;
}
/* }}} end dom_characterdata_delete_data */
/* {{{ proto void dom_characterdata_replace_data(int offset, int count, string arg);
URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-E5CBA7FB
Since:
*/
PHP_FUNCTION(dom_characterdata_replace_data)
{
zval *id;
xmlChar *cur, *substring, *second = NULL;
xmlNodePtr node;
char *arg;
long offset, count;
int length, arg_len;
dom_object *intern;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Olls", &id, dom_characterdata_class_entry, &offset, &count, &arg, &arg_len) == FAILURE) {
return;
}
DOM_GET_OBJ(node, id, xmlNodePtr, intern);
cur = xmlNodeGetContent(node);
if (cur == NULL) {
RETURN_FALSE;
}
length = xmlUTF8Strlen(cur);
if (offset < 0 || count < 0 || offset > length) {
xmlFree(cur);
php_dom_throw_error(INDEX_SIZE_ERR, dom_get_strict_error(intern->document) TSRMLS_CC);
RETURN_FALSE;
}
if (offset > 0) {
substring = xmlUTF8Strsub(cur, 0, offset);
} else {
substring = NULL;
}
if ((offset + count) > length) {
count = length - offset;
}
if (offset < length) {
second = xmlUTF8Strsub(cur, offset + count, length - offset);
}
substring = xmlStrcat(substring, arg);
substring = xmlStrcat(substring, second);
xmlNodeSetContent(node, substring);
xmlFree(cur);
if (second) {
xmlFree(second);
}
xmlFree(substring);
RETURN_TRUE;
}
/* }}} end dom_characterdata_replace_data */
#endif