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<?php /** * PEAR_FTP * * PHP versions 4 and 5 * * LICENSE: This source file is subject to version 3.0 of the PHP license * that is available through the world-wide-web at the following URI: * http://www.php.net/license/3_0.txt. If you did not receive a copy of * the PHP License and are unable to obtain it through the web, please * send a note to license@php.net so we can mail you a copy immediately. * * @category pear * @package PEAR * @author Greg Beaver <cellog@php.net> * @author Stephan Schmidt (original XML_Unserializer code) * @copyright 1997-2006 The PHP Group * @license http://www.php.net/license/3_0.txt PHP License 3.0 * @version CVS: $Id: XMLParser.php,v 1.11 2006/01/06 04:47:36 cellog Exp $ * @link http://pear.php.net/package/PEAR * @since File available since Release 1.4.0a1 */
/** * Parser for any xml file * @category pear * @package PEAR * @author Greg Beaver <cellog@php.net> * @author Stephan Schmidt (original XML_Unserializer code) * @copyright 1997-2006 The PHP Group * @license http://www.php.net/license/3_0.txt PHP License 3.0 * @version Release: 1.4.11 * @link http://pear.php.net/package/PEAR * @since Class available since Release 1.4.0a1 */ class PEAR_XMLParser { /** * unserilialized data * @var string $_serializedData */ var $_unserializedData = null;
/** * name of the root tag * @var string $_root */ var $_root = null;
/** * stack for all data that is found * @var array $_dataStack */ var $_dataStack = array();
/** * stack for all values that are generated * @var array $_valStack */ var $_valStack = array();
/** * current tag depth * @var int $_depth */ var $_depth = 0;
/** * @return array */ function getData() { return $this->_unserializedData; }
/** * @param string xml content * @return true|PEAR_Error */ function parse($data) { if (!extension_loaded('xml')) { include_once 'PEAR.php'; return PEAR::raiseError("XML Extension not found", 1); } $this->_valStack = array(); $this->_dataStack = array(); $this->_depth = 0;
if (version_compare(phpversion(), '5.0.0', 'lt')) { if (strpos($data, 'encoding="UTF-8"')) { $data = utf8_decode($data); } $xp = @xml_parser_create('ISO-8859-1'); } else { if (strpos($data, 'encoding="UTF-8"')) { $xp = @xml_parser_create('UTF-8'); } else { $xp = @xml_parser_create('ISO-8859-1'); } } xml_parser_set_option($xp, XML_OPTION_CASE_FOLDING, 0); xml_set_object($xp, $this); xml_set_element_handler($xp, 'startHandler', 'endHandler'); xml_set_character_data_handler($xp, 'cdataHandler'); if (!xml_parse($xp, $data)) { $msg = xml_error_string(xml_get_error_code($xp)); $line = xml_get_current_line_number($xp); xml_parser_free($xp); include_once 'PEAR.php'; return PEAR::raiseError("XML Error: '$msg' on line '$line'", 2); } xml_parser_free($xp); return true; }
/** * Start element handler for XML parser * * @access private * @param object $parser XML parser object * @param string $element XML element * @param array $attribs attributes of XML tag * @return void */ function startHandler($parser, $element, $attribs) { $type = 'string';
$this->_depth++; $this->_dataStack[$this->_depth] = null;
$val = array( 'name' => $element, 'value' => null, 'type' => $type, 'childrenKeys' => array(), 'aggregKeys' => array() );
if (count($attribs) > 0) { $val['children'] = array(); $val['type'] = 'array';
$val['children']['attribs'] = $attribs;
}
array_push($this->_valStack, $val); }
/** * post-process data * * @param string $data * @param string $element element name */ function postProcess($data, $element) { return trim($data); }
/** * End element handler for XML parser * * @access private * @param object XML parser object * @param string * @return void */ function endHandler($parser, $element) { $value = array_pop($this->_valStack); $data = $this->postProcess($this->_dataStack[$this->_depth], $element);
// adjust type of the value switch(strtolower($value['type'])) {
/* * unserialize an array */ case 'array': if ($data !== '') { $value['children']['_content'] = $data; } if (isset($value['children'])) { $value['value'] = $value['children']; } else { $value['value'] = array(); } break;
/* * unserialize a null value */ case 'null': $data = null; break;
/* * unserialize any scalar value */ default: settype($data, $value['type']); $value['value'] = $data; break; } $parent = array_pop($this->_valStack); if ($parent === null) { $this->_unserializedData = &$value['value']; $this->_root = &$value['name']; return true; } else { // parent has to be an array if (!isset($parent['children']) || !is_array($parent['children'])) { $parent['children'] = array(); if ($parent['type'] != 'array') { $parent['type'] = 'array'; } }
if (!empty($value['name'])) { // there already has been a tag with this name if (in_array($value['name'], $parent['childrenKeys'])) { // no aggregate has been created for this tag if (!in_array($value['name'], $parent['aggregKeys'])) { if (isset($parent['children'][$value['name']])) { $parent['children'][$value['name']] = array($parent['children'][$value['name']]); } else { $parent['children'][$value['name']] = array(); } array_push($parent['aggregKeys'], $value['name']); } array_push($parent['children'][$value['name']], $value['value']); } else { $parent['children'][$value['name']] = &$value['value']; array_push($parent['childrenKeys'], $value['name']); } } else { array_push($parent['children'],$value['value']); } array_push($this->_valStack, $parent); }
$this->_depth--; }
/** * Handler for character data * * @access private * @param object XML parser object * @param string CDATA * @return void */ function cdataHandler($parser, $cdata) { $this->_dataStack[$this->_depth] .= $cdata; } } ?>
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