lib/WikiDB/backend/dumb/TextSearchIter.php

   1 <?php // -*-php-*-
   2 rcs_id('$Id: TextSearchIter.php,v 1.4 2004-11-29 17:55:04 rurban Exp $');
   3
   4 class WikiDB_backend_dumb_TextSearchIter
   5 extends WikiDB_backend_iterator
   6 {
   7     function WikiDB_backend_dumb_TextSearchIter(&$backend, &$pages, $search, $fulltext=false) {
   8         $this->_backend = &$backend;
   9         $this->_pages = $pages;
  10         $this->_fulltext = $fulltext;
  11         $this->_search = $search;
  12     }
  13
  14     function _get_content(&$page) {
  15         $backend = &$this->_backend;
  16         $pagename = $page['pagename'];
  17
  18         if (!isset($page['versiondata'])) {
  19             $version = $backend->get_latest_version($pagename);
  20             $page['versiondata'] = $backend->get_versiondata($pagename, $version, true);
  21         }
  22         return $page['versiondata']['%content'];
  23     }
  24
  25     function _match(&$page) {
  26         $text = $page['pagename'];
  27         if ($result = $this->_search->match($text)) // first match the pagename only
  28             return $result;
  29
  30         if ($this->_fulltext) {
  31             $text .= "\n" . $this->_get_content($page);
  32             return $this->_search->match($text);
  33         } else
  34             return $result;
  35     }
  36
  37     function next() {
  38         $pages = &$this->_pages;
  39         while ($page = $pages->next()) {
  40             if ($this->_match($page))
  41                 return $page;
  42         }
  43         return false;
  44     }
  45
  46     function free() {
  47         $this->_pages->free();
  48     }
  49 };
  50
  51 // (c-file-style: "gnu")
  52 // Local Variables:
  53 // mode: php
  54 // tab-width: 8
  55 // c-basic-offset: 4
  56 // c-hanging-comment-ender-p: nil
  57 // indent-tabs-mode: nil
  58 // End:
  59 ?>