Alternate scaling using GD is implemented now; images will be scaled with ImageMagick if enabled and working; else, GD will be used. No UI changes to speak of, but a check in the installer will be added in a later commit
<?php/*Plugin Name: Search UI/frontendPlugin URI: http://enanocms.org/Description: Provides the page Special:Search, which is a frontend to the Enano search engine.Author: Dan FuhryVersion: 1.0.2Author URI: http://enanocms.org/*//* * Enano - an open-source CMS capable of wiki functions, Drupal-like sidebar blocks, and everything in between * Version 1.0.2 * Copyright (C) 2006-2007 Dan Fuhry * * This program is Free Software; you can redistribute and/or modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for details. */$plugins->attachHook('base_classes_initted', ' global $paths; $paths->add_page(Array( \'name\'=>\'Rebuild search index\', \'urlname\'=>\'SearchRebuild\', \'namespace\'=>\'Special\', \'special\'=>0,\'visible\'=>1,\'comments_on\'=>0,\'protected\'=>1,\'delvotes\'=>0,\'delvote_ips\'=>\'\', )); $paths->add_page(Array( \'name\'=>\'Search\', \'urlname\'=>\'Search\', \'namespace\'=>\'Special\', \'special\'=>0,\'visible\'=>1,\'comments_on\'=>0,\'protected\'=>1,\'delvotes\'=>0,\'delvote_ips\'=>\'\', )); ');function page_Special_SearchRebuild(){ global $db, $session, $paths, $template, $plugins; // Common objects if(!$session->get_permissions('mod_misc')) die_friendly('Unauthorized', '<p>You need to be an administrator to rebuild the search index</p>'); $template->header(); if($paths->rebuild_search_index()) echo '<p>Index rebuilt!</p>'; else echo '<p>Index was not rebuilt due to an error.'; $template->footer();}function page_Special_Search(){ global $db, $session, $paths, $template, $plugins; // Common objects if(!$q = $paths->getParam(0)) $q = ( isset($_GET['q']) ) ? $_GET['q'] : false; if(isset($_GET['words_any'])) { $q = ''; if(!empty($_GET['words_any'])) { $q .= $_GET['words_any'] . ' '; } if(!empty($_GET['exact_phrase'])) { $q .= '"' . $_GET['exact_phrase'] . '" '; } if(!empty($_GET['exclude_words'])) { $not = explode(' ', $_GET['exclude_words']); foreach ( $not as $i => $foo ) { $not[$i] = '-' . $not[$i]; } $q .= implode(' ', $not) . ' '; } if(!empty($_GET['require_words'])) { $req = explode(' ', $_GET['require_words']); foreach ( $req as $i => $foo ) { $req[$i] = '+' . $req[$i]; } $q .= implode(' ', $req) . ' '; } } $q = trim($q); if ( !empty($q) && !isset($_GET['search']) ) { list($pid, $ns) = RenderMan::strToPageID($q); $pid = sanitize_page_id($pid); $key = $paths->nslist[$ns] . $pid; if ( isPage($key) ) { redirect(makeUrl($key), 'Results', 'found page', 0); } } $template->header(); if(!empty($q)) { // See if any pages directly match the title if ( strlen($q) >= 4 ) { for ( $i = 0; $i < count ( $paths->pages ) / 2; $i++ ) { $pg =& $paths->pages[$i]; $q_lc = strtolower( str_replace(' ', '_', $q) ); $q_tl = strtolower( str_replace('_', ' ', $q) ); $p_lc = strtolower($pg['urlname']); $p_tl = strtolower($pg['name']); if ( strstr($p_tl, $q_tl) || strstr($p_lc, $q_lc) && $pg['visible'] == 1 ) { echo '<div class="usermessage">Perhaps you were looking for <b><a href="' . makeUrl($pg['urlname'], false, true) . '">' . htmlspecialchars($pg['name']) . '</a></b>?</div>'; break; } } } switch(SEARCH_MODE) { case "FULLTEXT": if ( isset($_GET['offset']) ) { $offset = intval($_GET['offset']); } else { $offset = 0; } $sql = $db->sql_query('SELECT search_id FROM '.table_prefix.'search_cache WHERE query=\''.$db->escape($q).'\';'); if(!$sql) { $db->_die('Error scanning search query cache'); } if($db->numrows() > 0) { $row = $db->fetchrow(); $db->free_result(); search_fetch_fulltext_results(intval($row['search_id']), $offset); } else { // Perform search $search = new MySQL_Fulltext_Search(); // Parse the query $parse = new Searcher(); $query = $parse->parseQuery($q); unset($parse); // Send query to MySQL $sql = $search->search($q); $results = Array(); if ( $row = $db->fetchrow($sql) ) { do { $results[] = $row; } while ( $row = $db->fetchrow($sql) ); } else { // echo '<div class="warning-box">No pages that matched your search criteria could be found.</div>'; } $texts = Array(); foreach ( $results as $result ) { $texts[] = render_fulltext_result($result, $query); } // Store the result in the search cache...if someone makes the same query later we can skip searching and rendering // This cache is cleared when an affected page is saved. $results = serialize($texts); $sql = $db->sql_query('INSERT INTO '.table_prefix.'search_cache(search_time,query,results) VALUES('.time().', \''.$db->escape($q).'\', \''.$db->escape($results).'\');'); if($sql) { search_render_fulltext_results(unserialize($results), $offset, $q); } else { $db->_die('Error inserting search into cache'); } } break; case "BUILTIN": $titles = $paths->makeTitleSearcher(isset($_GET['match_case'])); if ( isset($_GET['offset']) ) { $offset = intval($_GET['offset']); } else { $offset = 0; } $sql = $db->sql_query('SELECT search_id FROM '.table_prefix.'search_cache WHERE query=\''.$db->escape($q).'\';'); if(!$sql) { $db->_die('Error scanning search query cache'); } if($db->numrows() > 0) { $row = $db->fetchrow(); $db->free_result(); search_show_results(intval($row['search_id']), $offset); } else { $titles->search($q, $paths->get_page_titles()); $search = $paths->makeSearcher(isset($_GET['match_case'])); $texts = $paths->fetch_page_search_resource(); $search->searchMySQL($q, $texts); $results = Array(); $results['text'] = $search->results; $results['page'] = $titles->results; $results['warn'] = $search->warnings; $results = serialize($results); $sql = $db->sql_query('INSERT INTO '.table_prefix.'search_cache(search_time,query,results) VALUES('.time().', \''.$db->escape($q).'\', \''.$db->escape($results).'\');'); if($sql) { search_render_results(unserialize($results), $offset, $q); } else { $db->_die('Error inserting search into cache'); } } break; } $code = $plugins->setHook('search_results'); // , Array('query'=>$q)); foreach ( $code as $cmd ) { eval($cmd); } ?> <form action="<?php echo makeUrl($paths->page); ?>" method="get"> <p> <?php if ( $session->sid_super ): ?> <input type="hidden" name="auth" value="<?php echo $session->sid_super; ?>" /> <?php endif; ?> <?php if ( urlSeparator == '&' ): ?> <input type="hidden" name="title" value="<?php echo $paths->nslist['Special'] . 'Search'; ?>" /> <?php endif; ?> <input type="text" name="q" size="40" value="<?php echo htmlspecialchars( $q ); ?>" /> <input type="submit" value="Go" style="font-weight: bold;" /> <input name="search" type="submit" value="Search" /> <small><a href="<?php echo makeUrlNS('Special', 'Search'); ?>">Advanced Search</a></small> </p> </form> <?php } else { ?> <br /> <form action="<?php echo makeUrl($paths->page); ?>" method="get"> <?php if ( urlSeparator == '&' ): ?> <input type="hidden" name="title" value="<?php echo $paths->nslist['Special'] . 'Search'; ?>" /> <?php endif; ?> <div class="tblholder"> <table border="0" style="width: 100%;" cellspacing="1" cellpadding="4"> <tr><th colspan="2">Advanced Search</th></tr> <tr> <td class="row1">Search for pages with <b>any of these words</b>:</td> <td class="row1"><input type="text" name="words_any" size="40" /></td> </tr> <tr> <td class="row2">with <b>this exact phrase</b>:</td> <td class="row2"><input type="text" name="exact_phrase" size="40" /></td> </tr> <tr> <td class="row1">with <b>none of these words</b>:</td> <td class="row1"><input type="text" name="exclude_words" size="40" /></td> </tr> <tr> <td class="row2">with <b>all of these words</b>:</td> <td class="row2"><input type="text" name="require_words" size="40" /></td> </tr> <tr> <td class="row1"> <label for="chk_case">Case-sensitive search:</label> </td> <td class="row1"> <input type="checkbox" name="match_case" id="chk_case" /> </td> </tr> <tr> <th colspan="2" class="subhead"> <input type="submit" name="do_search" value="Search" /> </td> </tr> </table> </div> </form> <?php } $template->footer();}function search_show_results($search_id, $start = 0){ global $db, $session, $paths, $template, $plugins; // Common objects $q = $db->sql_query('SELECT query,results,search_time FROM '.table_prefix.'search_cache WHERE search_id='.intval($search_id).';'); if(!$q) return $db->get_error('Error selecting cached search results'); $row = $db->fetchrow(); $db->free_result(); $results = unserialize($row['results']); search_render_results($results, $start, $row['query']);}function search_render_results($results, $start = 0, $q = ''){ global $db, $session, $paths, $template, $plugins; // Common objects $nr1 = sizeof($results['page']); $nr2 = sizeof($results['text']); $nr = ( $nr1 > $nr2 ) ? $nr1 : $nr2; $results['page'] = array_slice($results['page'], $start, SEARCH_RESULTS_PER_PAGE); $results['text'] = array_slice($results['text'], $start, SEARCH_RESULTS_PER_PAGE); // Pagination $pagination = ''; if ( $nr1 > SEARCH_RESULTS_PER_PAGE || $nr2 > SEARCH_RESULTS_PER_PAGE ) { $pagination .= '<div class="tblholder" style="padding: 0; display: table; margin: 0 0 0 auto; float: right;"> <table border="0" style="width: 100%;" cellspacing="1" cellpadding="4"> <tr> <th>Page:</th>'; $num_pages = ceil($nr / SEARCH_RESULTS_PER_PAGE); $j = 0; for ( $i = 1; $i <= $num_pages; $i++ ) { if ($j == $start) $pagination .= '<td class="row1"><b>' . $i . '</b></td>'; else $pagination .= '<td class="row1"><a href="' . makeUrlNS('Special', 'Search', 'q=' . urlencode($q) . '&offset=' . $j, true) . '">' . $i . '</a></td>'; $j = $j + SEARCH_RESULTS_PER_PAGE; } $pagination .= '</tr></table></div>'; } echo $pagination; if ( $nr1 >= $start ) { echo '<h3>Page title matches</h3>'; if(count($results['page']) < 1) { echo '<div class="error-box">No pages with a title that matched your search criteria could be found.</div>'; } else { echo '<p>'; foreach($results['page'] as $page => $text) { echo '<a href="'.makeUrl($page).'">'.$paths->pages[$page]['name'].'</a><br />'; } echo '</p>'; } } if ( $nr2 >= $start ) { echo '<h3>Page text matches</h3>'; if(count($results['text']) < 1) { echo '<div class="error-box">No page text that matched your search criteria could be found.</div>'; } else { foreach($results['text'] as $kpage => $text) { preg_match('#^ns=('.implode('|', array_keys($paths->nslist)).');pid=(.*?)$#i', $kpage, $matches); $page = $paths->nslist[$matches[1]] . $matches[2]; echo '<p><span style="font-size: larger;"><a href="'.makeUrl($page).'">'.$paths->pages[$page]['name'].'</a></span><br />'.$text.'</p>'; } } } if(count($results['warn']) > 0) echo '<div class="warning-box"><b>Your search may not include all results.</b><br />The following errors were encountered during the search:<br /><ul><li>'.implode('</li><li>', $results['warn']).'</li></ul></div>'; echo $pagination;}function render_fulltext_result($result, $query){ global $db, $session, $paths, $template, $plugins; // Common objects preg_match('#^ns=('.implode('|', array_keys($paths->nslist)).');pid=(.*?)$#i', $result['page_identifier'], $matches); $page = $paths->nslist[$matches[1]] . $matches[2]; //$score = round($result['score'] * 100, 1); $score = number_format($result['score'], 2); $char_length = $result['length']; $result_template = <<<TPLCODE <div class="search-result"> <h3><a href="{HREF}">{TITLE}</a></h3> <p>{TEXT}</p> <p> <span class="search-result-info">{NAMESPACE} - Relevance score: {SCORE} ({LENGTH} bytes)</span> </p> </div>TPLCODE; $parser = $template->makeParserText($result_template); $pt =& $result['page_text']; $space_chars = Array("\t", "\n", "\r", " "); $words = array_merge($query['any'], $query['req']); $pt = htmlspecialchars($pt); $words2 = array(); for ( $i = 0; $i < sizeof($words); $i++) { if(!empty($words[$i])) $words2[] = preg_quote($words[$i]); } $regex = '/(' . implode('|', $words2) . ')/i'; $pt = preg_replace($regex, '<span class="search-term">\\1</span>', $pt); $title = preg_replace($regex, '<span class="title-search-term">\\1</span>', htmlspecialchars($paths->pages[$page]['name'])); $cut_off = false; foreach ( $words as $word ) { // Boldface searched words $ptlen = strlen($pt); for ( $i = 0; $i < $ptlen; $i++ ) { $len = strlen($word); if ( strtolower(substr($pt, $i, $len)) == strtolower($word) ) { $chunk1 = substr($pt, 0, $i); $chunk2 = substr($pt, $i, $len); $chunk3 = substr($pt, ( $i + $len )); $pt = $chunk1 . $chunk2 . $chunk3; $ptlen = strlen($pt); // Cut off text to 150 chars or so if ( !$cut_off ) { $cut_off = true; if ( $i - 75 > 0 ) { // Navigate backwards until a space character is found $chunk = substr($pt, 0, ( $i - 75 )); $final_chunk = $chunk; for ( $j = strlen($chunk); $j > 0; $j = $j - 1 ) { if ( in_array($chunk{$j}, $space_chars) ) { $final_chunk = substr($chunk, $j + 1); break; } } $mid_chunk = substr($pt, ( $i - 75 ), 75); $clipped = '...' . $final_chunk . $mid_chunk . $chunk2; $chunk = substr($pt, ( $i + strlen($chunk2) + 75 )); $final_chunk = $chunk; for ( $j = 0; $j < strlen($chunk); $j++ ) { if ( in_array($chunk{$j}, $space_chars) ) { $final_chunk = substr($chunk, 0, $j); break; } } $end_chunk = substr($pt, ( $i + strlen($chunk2) ), 75 ); $clipped .= $end_chunk . $final_chunk . '...'; $pt = $clipped; } else if ( strlen($pt) > 200 ) { $mid_chunk = substr($pt, ( $i - 75 ), 75); $clipped = $chunk1 . $chunk2; $chunk = substr($pt, ( $i + strlen($chunk2) + 75 )); $final_chunk = $chunk; for ( $j = 0; $j < strlen($chunk); $j++ ) { if ( in_array($chunk{$j}, $space_chars) ) { $final_chunk = substr($chunk, 0, $j); break; } } $end_chunk = substr($pt, ( $i + strlen($chunk2) ), 75 ); $clipped .= $end_chunk . $final_chunk . '...'; $pt = $clipped; } break 2; } } } $cut_off = false; } $parser->assign_vars(Array( 'TITLE' => $title, 'TEXT' => $pt, 'NAMESPACE' => $matches[1], 'SCORE' => $score, 'LENGTH' => $char_length, 'HREF' => makeUrl($page) )); return $parser->run();}function search_fetch_fulltext_results($search_id, $offset = 0){ global $db, $session, $paths, $template, $plugins; // Common objects $q = $db->sql_query('SELECT query,results,search_time FROM '.table_prefix.'search_cache WHERE search_id='.intval($search_id).';'); if(!$q) return $db->get_error('Error selecting cached search results'); $row = $db->fetchrow(); $db->free_result(); $results = unserialize($row['results']); search_render_fulltext_results($results, $offset, $row['query']);}function search_render_fulltext_results($results, $offset = 0, $query){ $num_results = sizeof($results); $slice = array_slice($results, $offset, SEARCH_RESULTS_PER_PAGE); if ( $num_results < 1 ) { echo '<div class="warning-box" style="margin-left: 0;">No page text that matched your search criteria could be found.</div>'; return null; } $html = paginate_array($results, sizeof($results), makeUrlNS('Special', 'Search', 'q=' . urlencode($query) . '&offset=%s'), $offset, 10); echo $html . '<br />';}?>