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3f0dd9cb06
git-svn-id: http://xe-core.googlecode.com/svn/branches/1.5.0@10774 201d5d3c-b55e-5fd7-737f-ddc643e51545
91 lines
2.4 KiB
PHP
91 lines
2.4 KiB
PHP
<?php
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/**
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* GeneralXmlParser class
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* Generic XML parser for XE
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* @author NHN (developers@xpressengine.com)
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* @package /classes/xml
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* @version 0.1
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*/
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class GeneralXmlParser {
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/**
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* result of parse
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* @var array
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*/
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var $output = array();
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/**
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* Parse a given input to product a object containing parse values.
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* @param string $input data to be parsed
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* @return array|NULL Returns an object containing parsed values or NULL in case of failure
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*/
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function parse($input = '') {
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$oParser = xml_parser_create('UTF-8');
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xml_set_object($oParser, $this);
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xml_set_element_handler($oParser, "_tagOpen", "_tagClosed");
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xml_set_character_data_handler($oParser, "_tagBody");
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xml_parse($oParser, $input);
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xml_parser_free($oParser);
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if(!count($this->output)) return;
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$this->output = array_shift($this->output);
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return $this->output;
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}
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/**
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* Start element handler
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* @param resource $parser an instance of parser
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* @param string $node_name a name of node
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* @param array $attrs attributes to be set
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* @return void
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*/
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function _tagOpen($parser, $node_name, $attrs) {
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$obj->node_name = strtolower($node_name);
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$obj->attrs = $attrs;
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$obj->childNodes = array();
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array_push($this->output, $obj);
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}
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/**
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* Character data handler
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* Variable in the last element of this->output
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* @param resource $parse an instance of parser
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* @param string $body a data to be added
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* @return void
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*/
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function _tagBody($parser, $body) {
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//if(!trim($body)) return;
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$this->output[count($this->output)-1]->body .= $body;
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}
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/**
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* End element handler
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* @param resource $parse an instance of parser
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* @param string $node_name name of xml node
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* @return void
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*/
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function _tagClosed($parser, $node_name) {
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$node_name = strtolower($node_name);
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$cur_obj = array_pop($this->output);
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$parent_obj = &$this->output[count($this->output)-1];
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if($parent_obj->childNodes[$node_name])
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{
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$tmp_obj = $parent_obj->childNodes[$node_name];
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if(is_array($tmp_obj)) {
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array_push($parent_obj->childNodes[$node_name], $cur_obj);
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} else {
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$parent_obj->childNodes[$node_name] = array();
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array_push($parent_obj->childNodes[$node_name], $tmp_obj);
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array_push($parent_obj->childNodes[$node_name], $cur_obj);
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}
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} else {
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$parent_obj->childNodes[$node_name] = $cur_obj;
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}
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}
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}
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?>
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