lib/WikiDB/backend/dumb/TextSearchIter.php

   1 <?php // -*-php-*-
   2 rcs_id('$Id: TextSearchIter.php,v 1.5 2005-09-11 13:20:52 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                                                 $options=array())
   9     {
  10         $this->_backend = &$backend;
  11         $this->_pages = $pages;
  12         $this->_fulltext = $fulltext;
  13         $this->_search  = $search;
  14         $this->_index   = 0;
  15
  16         if (isset($options['limit'])) $this->_limit = $options['limit'];
  17         else $this->_limit = 0;
  18         if (isset($options['exclude'])) $this->_exclude = $options['exclude'];
  19         else $this->_exclude = false;
  20     }
  21
  22     function _get_content(&$page) {
  23         $backend = &$this->_backend;
  24         $pagename = $page['pagename'];
  25
  26         if (!isset($page['versiondata'])) {
  27             $version = $backend->get_latest_version($pagename);
  28             $page['versiondata'] = $backend->get_versiondata($pagename, $version, true);
  29         }
  30         return $page['versiondata']['%content'];
  31     }
  32
  33     function _match(&$page) {
  34         $text = $page['pagename'];
  35         if ($result = $this->_search->match($text)) // first match the pagename only
  36             return $result;
  37
  38         if ($this->_fulltext) {
  39             $text .= "\n" . $this->_get_content($page);
  40             return $this->_search->match($text);
  41         } else
  42             return $result;
  43     }
  44
  45     function next() {
  46         $pages = &$this->_pages;
  47         while ($page = $pages->next()) {
  48             if ($this->_match($page)) {
  49                 if ($this->_limit and ($this->_index++ >= $this->_limit))
  50                     return false;
  51                 return $page;
  52             }
  53         }
  54         return false;
  55     }
  56
  57     function free() {
  58         $this->_pages->free();
  59     }
  60 };
  61
  62 // (c-file-style: "gnu")
  63 // Local Variables:
  64 // mode: php
  65 // tab-width: 8
  66 // c-basic-offset: 4
  67 // c-hanging-comment-ender-p: nil
  68 // indent-tabs-mode: nil
  69 // End:
  70 ?>