C:/xampp/htdocs/moodle/lib/pear/XML/Parser/Simple.php

Go to the documentation of this file.

<?php

/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */

require_once 'XML/Parser.php';

class XML_Parser_Simple extends XML_Parser
{
    var $_elStack = array();

    var $_data = array();

    var $_depth = 0;

    var $handler = array(
        'default_handler'                   => 'defaultHandler',
        'processing_instruction_handler'    => 'piHandler',
        'unparsed_entity_decl_handler'      => 'unparsedHandler',
        'notation_decl_handler'             => 'notationHandler',
        'external_entity_ref_handler'       => 'entityrefHandler'
    );
    
    function XML_Parser_Simple($srcenc = null, $mode = 'event', $tgtenc = null)
    {
        $this->XML_Parser($srcenc, $mode, $tgtenc);
    }

    function _initHandlers()
    {
        if (!is_object($this->_handlerObj)) {
            $this->_handlerObj = &$this;
        }

        if ($this->mode != 'func' && $this->mode != 'event') {
            return $this->raiseError('Unsupported mode given', 
                XML_PARSER_ERROR_UNSUPPORTED_MODE);
        }
        xml_set_object($this->parser, $this->_handlerObj);

        xml_set_element_handler($this->parser, array(&$this, 'startHandler'), 
            array(&$this, 'endHandler'));
        xml_set_character_data_handler($this->parser, array(&$this, 'cdataHandler'));
        
        foreach ($this->handler as $xml_func => $method) {
            if (method_exists($this->_handlerObj, $method)) {
                $xml_func = 'xml_set_' . $xml_func;
                $xml_func($this->parser, $method);
            }
        }
    }

    function reset()
    {
        $this->_elStack = array();
        $this->_data    = array();
        $this->_depth   = 0;
        
        $result = $this->_create();
        if ($this->isError($result)) {
            return $result;
        }
        return true;
    }

    function startHandler($xp, $elem, &$attribs)
    {
        array_push($this->_elStack, array(
            'name'    => $elem,
            'attribs' => $attribs
        ));
        $this->_depth++;
        $this->_data[$this->_depth] = '';
    }

    function endHandler($xp, $elem)
    {
        $el   = array_pop($this->_elStack);
        $data = $this->_data[$this->_depth];
        $this->_depth--;

        switch ($this->mode) {
        case 'event':
            $this->_handlerObj->handleElement($el['name'], $el['attribs'], $data);
            break;
        case 'func':
            $func = 'handleElement_' . $elem;
            if (strchr($func, '.')) {
                $func = str_replace('.', '_', $func);
            }
            if (method_exists($this->_handlerObj, $func)) {
                call_user_func(array(&$this->_handlerObj, $func), 
                    $el['name'], $el['attribs'], $data);
            }
            break;
        }
    }

    function cdataHandler($xp, $data)
    {
        $this->_data[$this->_depth] .= $data;
    }

    function handleElement($name, $attribs, $data)
    {
    }

    function getCurrentDepth()
    {
        return $this->_depth;
    }

    function addToData($data)
    {
        $this->_data[$this->_depth] .= $data;
    }
}
?>