classes/rt/RTXMLParser.inc.php

<?php

// $Id: RTXMLParser.inc.php,v 1.10 2008/07/01 01:16:10 asmecher Exp $


import('xml.XMLParser');
import('rt.RTStruct');

class RTXMLParser {

   var $parser;


   function RTXMLParser() {
      $this->parser = &new XMLParser();
   }

   function &parse($file) {   
      $tree = $this->parser->parse($file);
      $version = false;

      if ($tree !== false) {
         $version = &$this->parseVersion($tree);
      }

      return $version;
   }


   function &parseAll($dir) {
      $versions = array();

      if(($fd = opendir($dir)) !== false) {
         while (($file = readdir($fd)) !== false) {
            if (preg_match('/\.xml$/', $file)) {
               if (($version = $this->parse($dir . '/' . $file))) {
                  array_push($versions, $version);
               }
            }
         }
         closedir($fd);
      }

      return $versions;
   }


   //
   // PRIVATE
   //


   function &parseVersion(&$version) {
      $newVersion = &new RTVersion();
      $numContexts = 0;

      $newVersion->key = $version->getAttribute('id');
      $newVersion->locale = $version->getAttribute('locale');

      foreach ($version->getChildren() as $attrib) {
         switch ($attrib->getName()) {
            case 'version_title':
               $newVersion->title = $attrib->getValue();
               break;
            case 'version_description':
               $newVersion->description = $attrib->getValue();
               break;
            case 'context':
               $newContext = &$this->parseContext($attrib);
               $newContext->order = $numContexts++;
               $newVersion->addContext($newContext);
               break;
         }
      }

      return $newVersion;
   }

   function &parseContext(&$context) {
      $newContext = &new RTContext();
      $numSearches = 0;

      foreach ($context->getChildren() as $attrib) {
         switch ($attrib->getName()) {
            case 'context_title':
               $newContext->title = $attrib->getValue();
               break;
            case 'context_abbrev':
               $newContext->abbrev = $attrib->getValue();
               break;
            case 'context_description':
               $newContext->description = $attrib->getValue();
               break;
            case 'cites_context':
               $newContext->citedBy = true;
               break;
            case 'author_terms':
               $newContext->authorTerms = true;
               break;
            case 'geo_terms':
               $newContext->geoTerms = true;
               break;
            case 'define_terms':
               $newContext->defineTerms = true;
               break;
            case 'search':
               $newSearch = &$this->parseSearch($attrib);
               $newSearch->order = $numSearches++;
               $newContext->addSearch($newSearch);
               break;
         }
      }

      return $newContext;
   }

   function &parseSearch(&$search) {
      $newSearch = &new RTSearch();

      foreach ($search->getChildren() as $attrib) {
         switch ($attrib->getName()) {
            case 'search_title':
               $newSearch->title = $attrib->getValue();
               break;
            case 'search_description':
               $newSearch->description = $attrib->getValue();
               break;
            case 'url':
               $newSearch->url = $attrib->getValue();
               break;
            case 'search_url':
               $newSearch->searchUrl = $attrib->getValue();
               break;
            case 'search_post':
               $newSearch->searchPost = $attrib->getValue();
               break;
         }
      }

      return $newSearch;
   }

}

?>

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