class update_xml_parser in Drupal 6

XML Parser object to read Drupal's release history info files. This uses PHP4's lame XML parsing, but it works.

Hierarchy

• class \update_xml_parser

File

modules/update/update.fetch.inc, line 183

Code required only when fetching information about available updates.

class update_xml_parser {
  var $projects = array();
  var $current_project;
  var $current_release;
  var $current_term;
  var $current_tag;
  var $current_object;

  /**
   * Parse an array of XML data files.
   */
  function parse($data) {
    foreach ($data as $datum) {
      $parser = xml_parser_create();
      xml_set_object($parser, $this);
      xml_set_element_handler($parser, 'start', 'end');
      xml_set_character_data_handler($parser, "data");
      xml_parse($parser, $datum);
      xml_parser_free($parser);
    }
    return $this->projects;
  }
  function start($parser, $name, $attr) {
    $this->current_tag = $name;
    switch ($name) {
      case 'PROJECT':
        unset($this->current_object);
        $this->current_project = array();
        $this->current_object =& $this->current_project;
        break;
      case 'RELEASE':
        unset($this->current_object);
        $this->current_release = array();
        $this->current_object =& $this->current_release;
        break;
      case 'TERM':
        unset($this->current_object);
        $this->current_term = array();
        $this->current_object =& $this->current_term;
        break;
      case 'FILE':
        unset($this->current_object);
        $this->current_file = array();
        $this->current_object =& $this->current_file;
        break;
    }
  }
  function end($parser, $name) {
    switch ($name) {
      case 'PROJECT':
        unset($this->current_object);
        $this->projects[$this->current_project['short_name']] = $this->current_project;
        $this->current_project = array();
        break;
      case 'RELEASE':
        unset($this->current_object);
        $this->current_project['releases'][$this->current_release['version']] = $this->current_release;
        break;
      case 'RELEASES':
        $this->current_object =& $this->current_project;
        break;
      case 'TERM':
        unset($this->current_object);
        $term_name = $this->current_term['name'];
        if (!isset($this->current_release['terms'])) {
          $this->current_release['terms'] = array();
        }
        if (!isset($this->current_release['terms'][$term_name])) {
          $this->current_release['terms'][$term_name] = array();
        }
        $this->current_release['terms'][$term_name][] = $this->current_term['value'];
        break;
      case 'TERMS':
        $this->current_object =& $this->current_release;
        break;
      case 'FILE':
        unset($this->current_object);
        $this->current_release['files'][] = $this->current_file;
        break;
      case 'FILES':
        $this->current_object =& $this->current_release;
        break;
      default:
        $this->current_object[strtolower($this->current_tag)] = trim($this->current_object[strtolower($this->current_tag)]);
        $this->current_tag = '';
    }
  }
  function data($parser, $data) {
    if ($this->current_tag && !in_array($this->current_tag, array(
      'PROJECT',
      'RELEASE',
      'RELEASES',
      'TERM',
      'TERMS',
      'FILE',
      'FILES',
    ))) {
      $tag = strtolower($this->current_tag);
      if (isset($this->current_object[$tag])) {
        $this->current_object[$tag] .= $data;
      }
      else {
        $this->current_object[$tag] = $data;
      }
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
update_xml_parser::$current_object		property
update_xml_parser::$current_project		property
update_xml_parser::$current_release		property
update_xml_parser::$current_tag		property
update_xml_parser::$current_term		property
update_xml_parser::$projects		property
update_xml_parser::data		function
update_xml_parser::end		function
update_xml_parser::parse		function	Parse an array of XML data files.
update_xml_parser::start		function