mirror of
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396 lines
10 KiB
C
396 lines
10 KiB
C
/*
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+----------------------------------------------------------------------+
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| Copyright (c) The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| https://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Christian Stocker <chregu@php.net> |
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| Rob Richards <rrichards@php.net> |
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+----------------------------------------------------------------------+
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "php.h"
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#if defined(HAVE_LIBXML) && defined(HAVE_DOM)
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#include "php_dom.h"
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#include "dom_properties.h"
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/*
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* class DOMCharacterData extends DOMNode
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*
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* URL: https://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-FF21A306
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* Since:
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*/
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/* For some peculiar reason, many of these methods operate on unsigned numbers.
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* Unfortunately, "old DOM" doesn't, so we have to conditionally convert...
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* And the reason we're using "unsigned int" instead of "unsigned zend_long" is because libxml2 internally works with ints. */
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static bool dom_convert_number_unsigned(dom_object *intern, zend_long input, unsigned int *output)
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{
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if (input < 0) {
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if (php_dom_follow_spec_intern(intern)) {
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*output = (unsigned int) input;
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} else {
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php_dom_throw_error(INDEX_SIZE_ERR, dom_get_strict_error(intern->document));
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return false;
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}
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} else {
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*output = input;
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}
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return true;
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}
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/* {{{ data string
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readonly=no
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URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-72AB8359
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Since:
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*/
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zend_result dom_characterdata_data_read(dom_object *obj, zval *retval)
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{
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DOM_PROP_NODE(xmlNodePtr, nodep, obj);
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php_dom_get_content_into_zval(nodep, retval, false);
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return SUCCESS;
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}
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zend_result dom_characterdata_data_write(dom_object *obj, zval *newval)
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{
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DOM_PROP_NODE(xmlNodePtr, nodep, obj);
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/* Typed property, this is already a string */
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ZEND_ASSERT(Z_TYPE_P(newval) == IS_STRING);
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zend_string *str = Z_STR_P(newval);
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xmlNodeSetContentLen(nodep, BAD_CAST ZSTR_VAL(str), ZSTR_LEN(str));
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return SUCCESS;
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}
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/* }}} */
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/* {{{ length long
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readonly=yes
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URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-7D61178C
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Since:
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*/
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zend_result dom_characterdata_length_read(dom_object *obj, zval *retval)
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{
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DOM_PROP_NODE(xmlNodePtr, nodep, obj);
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long length = 0;
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if (nodep->content) {
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length = xmlUTF8Strlen(nodep->content);
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}
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ZVAL_LONG(retval, length);
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return SUCCESS;
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}
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/* }}} */
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/* {{{ URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-6531BCCF
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Modern spec URL: https://dom.spec.whatwg.org/#dom-characterdata-substringdata
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Since:
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*/
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PHP_METHOD(DOMCharacterData, substringData)
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{
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zval *id;
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xmlChar *substring;
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xmlNodePtr node;
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zend_long offset_input, count_input;
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unsigned int count, offset;
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int length;
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dom_object *intern;
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id = ZEND_THIS;
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if (zend_parse_parameters(ZEND_NUM_ARGS(), "ll", &offset_input, &count_input) == FAILURE) {
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RETURN_THROWS();
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}
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DOM_GET_OBJ(node, id, xmlNodePtr, intern);
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const xmlChar *cur = php_dom_get_content_or_empty(node);
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length = xmlUTF8Strlen(cur);
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if (ZEND_LONG_INT_OVFL(offset_input) || ZEND_LONG_INT_OVFL(count_input)) {
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php_dom_throw_error(INDEX_SIZE_ERR, dom_get_strict_error(intern->document));
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RETURN_FALSE;
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}
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if (!dom_convert_number_unsigned(intern, offset_input, &offset) || !dom_convert_number_unsigned(intern, count_input, &count)) {
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RETURN_FALSE;
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}
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if (offset > (unsigned int)length) {
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php_dom_throw_error(INDEX_SIZE_ERR, dom_get_strict_error(intern->document));
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RETURN_FALSE;
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}
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if (count > length - offset) {
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count = length - offset;
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}
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substring = xmlUTF8Strsub(cur, (int)offset, (int)count);
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if (substring) {
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RETVAL_STRING((char *) substring);
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xmlFree(substring);
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} else {
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RETVAL_EMPTY_STRING();
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}
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}
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/* }}} end dom_characterdata_substring_data */
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/* {{{ URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-32791A2F
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Modern spec URL: https://dom.spec.whatwg.org/#dom-characterdata-appenddata
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Since:
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*/
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static void dom_character_data_append_data(INTERNAL_FUNCTION_PARAMETERS)
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{
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xmlNode *nodep;
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dom_object *intern;
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char *arg;
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size_t arg_len;
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if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", &arg, &arg_len) == FAILURE) {
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RETURN_THROWS();
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}
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DOM_GET_OBJ(nodep, ZEND_THIS, xmlNodePtr, intern);
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xmlTextConcat(nodep, BAD_CAST arg, arg_len);
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}
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PHP_METHOD(DOMCharacterData, appendData)
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{
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dom_character_data_append_data(INTERNAL_FUNCTION_PARAM_PASSTHRU);
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RETURN_TRUE;
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}
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PHP_METHOD(Dom_CharacterData, appendData)
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{
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dom_character_data_append_data(INTERNAL_FUNCTION_PARAM_PASSTHRU);
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}
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/* }}} end dom_characterdata_append_data */
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/* {{{ URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-3EDB695F
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Modern spec URL: https://dom.spec.whatwg.org/#dom-characterdata-insertdata
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Since:
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*/
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static void dom_character_data_insert_data(INTERNAL_FUNCTION_PARAMETERS, bool return_true)
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{
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zval *id;
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xmlChar *first, *second;
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xmlNodePtr node;
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char *arg;
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zend_long offset_input;
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unsigned int offset;
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int length;
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size_t arg_len;
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dom_object *intern;
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id = ZEND_THIS;
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if (zend_parse_parameters(ZEND_NUM_ARGS(), "ls", &offset_input, &arg, &arg_len) == FAILURE) {
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RETURN_THROWS();
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}
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DOM_GET_OBJ(node, id, xmlNodePtr, intern);
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const xmlChar *cur = php_dom_get_content_or_empty(node);
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length = xmlUTF8Strlen(cur);
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if (ZEND_LONG_INT_OVFL(offset_input)) {
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php_dom_throw_error(INDEX_SIZE_ERR, dom_get_strict_error(intern->document));
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RETURN_FALSE;
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}
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if (!dom_convert_number_unsigned(intern, offset_input, &offset)) {
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RETURN_FALSE;
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}
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if (offset > (unsigned int)length) {
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php_dom_throw_error(INDEX_SIZE_ERR, dom_get_strict_error(intern->document));
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RETURN_FALSE;
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}
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first = xmlUTF8Strndup(cur, (int)offset);
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second = xmlUTF8Strsub(cur, (int)offset, length - (int)offset);
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xmlNodeSetContent(node, first);
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xmlNodeAddContent(node, BAD_CAST arg);
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xmlNodeAddContent(node, second);
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xmlFree(first);
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xmlFree(second);
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if (return_true) {
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RETURN_TRUE;
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}
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}
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PHP_METHOD(DOMCharacterData, insertData)
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{
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dom_character_data_insert_data(INTERNAL_FUNCTION_PARAM_PASSTHRU, true);
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}
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PHP_METHOD(Dom_CharacterData, insertData)
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{
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dom_character_data_insert_data(INTERNAL_FUNCTION_PARAM_PASSTHRU, false);
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}
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/* }}} end dom_characterdata_insert_data */
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/* {{{ URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-7C603781
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Modern spec URL: https://dom.spec.whatwg.org/#dom-characterdata-deletedata
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Since:
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*/
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static void dom_character_data_delete_data(INTERNAL_FUNCTION_PARAMETERS, bool return_true)
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{
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zval *id;
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xmlChar *substring, *second;
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xmlNodePtr node;
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zend_long offset, count_input;
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unsigned int count;
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int length;
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dom_object *intern;
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id = ZEND_THIS;
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if (zend_parse_parameters(ZEND_NUM_ARGS(), "ll", &offset, &count_input) == FAILURE) {
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RETURN_THROWS();
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}
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DOM_GET_OBJ(node, id, xmlNodePtr, intern);
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const xmlChar *cur = php_dom_get_content_or_empty(node);
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length = xmlUTF8Strlen(cur);
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if (offset < 0 || ZEND_LONG_INT_OVFL(offset) || ZEND_LONG_INT_OVFL(count_input) || offset > length) {
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php_dom_throw_error(INDEX_SIZE_ERR, dom_get_strict_error(intern->document));
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RETURN_FALSE;
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}
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if (!dom_convert_number_unsigned(intern, count_input, &count)) {
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RETURN_FALSE;
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}
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if (offset > 0) {
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substring = xmlUTF8Strsub(cur, 0, (int)offset);
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} else {
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substring = NULL;
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}
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if (count > length - offset) {
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count = length - offset;
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}
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second = xmlUTF8Strsub(cur, (int)offset + (int)count, length - (int)offset);
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substring = xmlStrcat(substring, second);
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xmlNodeSetContent(node, substring);
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xmlFree(second);
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xmlFree(substring);
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if (return_true) {
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RETURN_TRUE;
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}
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}
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PHP_METHOD(DOMCharacterData, deleteData)
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{
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dom_character_data_delete_data(INTERNAL_FUNCTION_PARAM_PASSTHRU, true);
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}
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PHP_METHOD(Dom_CharacterData, deleteData)
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{
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dom_character_data_delete_data(INTERNAL_FUNCTION_PARAM_PASSTHRU, false);
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}
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/* }}} end dom_characterdata_delete_data */
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/* {{{ URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-E5CBA7FB
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Modern spec URL: https://dom.spec.whatwg.org/#dom-characterdata-replacedata
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Since:
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*/
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static void dom_character_data_replace_data(INTERNAL_FUNCTION_PARAMETERS, bool return_true)
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{
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zval *id;
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xmlChar *substring, *second = NULL;
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xmlNodePtr node;
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char *arg;
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zend_long offset, count_input;
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unsigned int count;
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int length;
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size_t arg_len;
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dom_object *intern;
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id = ZEND_THIS;
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if (zend_parse_parameters(ZEND_NUM_ARGS(), "lls", &offset, &count_input, &arg, &arg_len) == FAILURE) {
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RETURN_THROWS();
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}
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DOM_GET_OBJ(node, id, xmlNodePtr, intern);
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const xmlChar *cur = php_dom_get_content_or_empty(node);
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length = xmlUTF8Strlen(cur);
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if (offset < 0 || ZEND_LONG_INT_OVFL(offset) || ZEND_LONG_INT_OVFL(count_input) || offset > length) {
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php_dom_throw_error(INDEX_SIZE_ERR, dom_get_strict_error(intern->document));
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RETURN_FALSE;
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}
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if (!dom_convert_number_unsigned(intern, count_input, &count)) {
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RETURN_FALSE;
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}
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if (offset > 0) {
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substring = xmlUTF8Strsub(cur, 0, (int)offset);
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} else {
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substring = NULL;
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}
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if (count > length - offset) {
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count = length - offset;
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}
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if (offset < length) {
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second = xmlUTF8Strsub(cur, (int)offset + count, length - (int)offset);
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}
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substring = xmlStrcat(substring, BAD_CAST arg);
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substring = xmlStrcat(substring, second);
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xmlNodeSetContent(node, substring);
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if (second) {
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xmlFree(second);
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}
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xmlFree(substring);
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if (return_true) {
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RETURN_TRUE;
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}
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}
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PHP_METHOD(DOMCharacterData, replaceData)
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{
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dom_character_data_replace_data(INTERNAL_FUNCTION_PARAM_PASSTHRU, true);
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}
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PHP_METHOD(Dom_CharacterData, replaceData)
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{
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dom_character_data_replace_data(INTERNAL_FUNCTION_PARAM_PASSTHRU, false);
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}
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/* }}} end dom_characterdata_replace_data */
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#endif
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