root/ext/dom/characterdata.c

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DEFINITIONS

This source file includes following definitions.
  1. dom_characterdata_data_read
  2. dom_characterdata_data_write
  3. dom_characterdata_length_read
  4. PHP_FUNCTION
  5. PHP_FUNCTION
  6. PHP_FUNCTION
  7. PHP_FUNCTION
  8. PHP_FUNCTION

/*
   +----------------------------------------------------------------------+
   | PHP Version 5                                                        |
   +----------------------------------------------------------------------+
   | Copyright (c) 1997-2015 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"


/* {{{ arginfo */
ZEND_BEGIN_ARG_INFO_EX(arginfo_dom_characterdata_substring_data, 0, 0, 2)
        ZEND_ARG_INFO(0, offset)
        ZEND_ARG_INFO(0, count)
ZEND_END_ARG_INFO();

ZEND_BEGIN_ARG_INFO_EX(arginfo_dom_characterdata_append_data, 0, 0, 1)
        ZEND_ARG_INFO(0, arg)
ZEND_END_ARG_INFO();

ZEND_BEGIN_ARG_INFO_EX(arginfo_dom_characterdata_insert_data, 0, 0, 2)
        ZEND_ARG_INFO(0, offset)
        ZEND_ARG_INFO(0, arg)
ZEND_END_ARG_INFO();

ZEND_BEGIN_ARG_INFO_EX(arginfo_dom_characterdata_delete_data, 0, 0, 2)
        ZEND_ARG_INFO(0, offset)
        ZEND_ARG_INFO(0, count)
ZEND_END_ARG_INFO();

ZEND_BEGIN_ARG_INFO_EX(arginfo_dom_characterdata_replace_data, 0, 0, 3)
        ZEND_ARG_INFO(0, offset)
        ZEND_ARG_INFO(0, count)
        ZEND_ARG_INFO(0, arg)
ZEND_END_ARG_INFO();
/* }}} */

/*
* 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, arginfo_dom_characterdata_substring_data)
        PHP_FALIAS(appendData, dom_characterdata_append_data, arginfo_dom_characterdata_append_data)
        PHP_FALIAS(insertData, dom_characterdata_insert_data, arginfo_dom_characterdata_insert_data)
        PHP_FALIAS(deleteData, dom_characterdata_delete_data, arginfo_dom_characterdata_delete_data)
        PHP_FALIAS(replaceData, dom_characterdata_replace_data, arginfo_dom_characterdata_replace_data)
        PHP_FE_END
};

/* {{{ 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

/*
 * Local variables:
 * tab-width: 4
 * c-basic-offset: 4
 * End:
 * vim600: noet sw=4 ts=4 fdm=marker
 * vim<600: noet sw=4 ts=4
 */

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