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   1  <?php
   2  
   3  // This file is part of Moodle - http://moodle.org/
   4  //
   5  // Moodle is free software: you can redistribute it and/or modify
   6  // it under the terms of the GNU General Public License as published by
   7  // the Free Software Foundation, either version 3 of the License, or
   8  // (at your option) any later version.
   9  //
  10  // Moodle is distributed in the hope that it will be useful,
  11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  // GNU General Public License for more details.
  14  //
  15  // You should have received a copy of the GNU General Public License
  16  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17  
  18  /**
  19   * @package moodlecore
  20   * @subpackage xml
  21   * @copyright 2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
  22   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23   */
  24  
  25  require_once($CFG->dirroot.'/backup/util/xml/parser/processors/progressive_parser_processor.class.php');
  26  
  27  /**
  28   * Find paths progressive_parser_processor that will search for all the paths present in
  29   * the chunks being returned. Useful to know the overal structure of the XML file.
  30   */
  31  class findpaths_parser_processor extends progressive_parser_processor {
  32  
  33     protected $foundpaths; // array of paths foudn in the chunks received from the parser
  34  
  35     public function __construct() {
  36         parent::__construct();
  37         $this->foundpaths = array();
  38     }
  39  
  40     public function process_chunk($data) {
  41         if (isset($data['tags'])) {
  42             foreach ($data['tags'] as $tag) {
  43                 $tagpath = $data['path'] . '/' . $tag['name'];
  44                 if (!array_key_exists($tagpath, $this->foundpaths)) {
  45                     $this->foundpaths[$tagpath] = 1;
  46                 } else {
  47                     $this->foundpaths[$tagpath]++;
  48                 }
  49             }
  50         }
  51     }
  52  
  53     public function debug_info() {
  54         $debug = array();
  55         foreach($this->foundpaths as $path => $chunks) {
  56             $debug['paths'][$path] = $chunks;
  57         }
  58         return array_merge($debug, parent::debug_info());
  59     }
  60  }