mirror of
https://github.com/gtbu/Typesetter-5.3-p8.git
synced 2024-11-14 02:39:19 +01:00
618 lines
15 KiB
PHP
618 lines
15 KiB
PHP
<?php
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namespace gp\special;
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defined('is_running') or die('Not an entry point...');
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class Search extends \gp\special\Base{
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public $config_file;
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public $search_config;
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public $results = array();
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public $search_pattern = '';
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public $search_hidden = false;
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public $search_count = 0;
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public $show_stats = false;
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public $gpabox = false;
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public function __construct($args){
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global $langmessage, $dataDir;
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parent::__construct($args);
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$this->config_file = $dataDir . '/data/_site/config_search.php';
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$this->GetConfig();
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if( $this->Admin() ){
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return;
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}
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//admin popup or visitor
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$_REQUEST += array('q' => '');
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if( \gp\tool::LoggedIn() && isset($_REQUEST['gpx_content']) && $_REQUEST['gpx_content'] == 'gpabox' ){
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$this->AdminSearch();
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}else{
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$this->Search();
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}
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}
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public function AdminSearch(){
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global $langmessage;
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$this->gpabox = true;
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$this->show_stats = true;
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$this->search_hidden = true;
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echo '<div class="inline_box">';
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echo '<div id="admin_search">';
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echo '<form action="' . \gp\tool::GetUrl('special_gpsearch') . '" method="get">';
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echo '<h3>' . $langmessage['Search'] . '</h3>';
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echo '<input name="q" type="search" class="gpinput" value="' . htmlspecialchars($_REQUEST['q']) . '" required />';
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echo '<input type="submit" name="" value="' . $langmessage['Search'] . '" class="gpabox gpsubmit gpvalidate" />';
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echo '<input type="submit" name="" value="' . $langmessage['cancel'] . '" class="admin_box_close gpcancel" />';
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echo '</form>';
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echo '<p>';
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if( !empty($_REQUEST['q']) ){
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$this->RunQuery();
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}
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echo '</p>';
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if( $this->search_count > 0 ){
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echo '<p>' . $this->search_count . ' files searched</p>';
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}
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echo '</div>';
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echo '</div>';
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}
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public function Search(){
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global $langmessage;
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$placeholder = $langmessage['Search'] . '…';
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$custom_text = \gp\tool\Output::SelectText('Search');
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if( $custom_text != '' ){
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$placeholder = htmlspecialchars($custom_text) . '…';
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}
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echo '<div class="GPAREA filetype-special_search search_results">';
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echo '<h2>' . \gp\tool\Output::GetAddonText('Search') . '</h2>';
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echo '<form role="search" class="input-group" action="' . \gp\tool::GetUrl('special_gpsearch') . '" method="get">';
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echo '<input name="q" type="search" class="text form-control" ';
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echo 'placeholder="' . $placeholder . '" ';
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echo 'value="' . htmlspecialchars($_REQUEST['q']) . '"/> ';
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$html = '<input type="submit" name="" class="submit btn btn-secondary" value="%s" />';
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echo \gp\tool\Output::GetAddonText('Search', $html);
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echo '</form>';
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if( \gp\tool::LoggedIn() ){
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$this->search_hidden = true;
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}else{
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$this->search_hidden = $this->search_config['search_hidden'];
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}
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$this->RunQuery();
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if( \gp\tool::LoggedIn() ){
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echo \gp\tool::Link(
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'special_gpsearch',
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$langmessage['configuration'],
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'cmd=config',
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['data-cmd' => 'gpabox', 'class' => 'search-config-link']
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);
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}
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echo '</div>';
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}
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public static function Gadget(){
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global $langmessage;
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$query = '';
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if( isset($_GET['q']) ){
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$query = $_GET['q'];
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}
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$placeholder = $langmessage['Search'] . '…';
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$custom_text = \gp\tool\Output::SelectText('Search');
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if( $custom_text != '' ){
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$placeholder = htmlspecialchars($custom_text) . '…';
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}
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echo '<h3>';
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echo \gp\tool\Output::GetAddonText('Search');
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echo '</h3>';
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echo '<form role="search" action="' . \gp\tool::GetUrl('special_gpsearch') . '" method="get">';
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echo '<div class="input-group">';
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echo '<input name="q" type="search" class="text form-control" ';
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echo 'placeholder="' . $placeholder . '" ';
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echo 'value="' . htmlspecialchars($query) . '"/>';
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echo '<input type="hidden" name="src" value="gadget" />';
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$html = '<input type="submit" class="submit btn btn-secondary" name="" value="%s" />';
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echo \gp\tool\Output::GetAddonText('Search', $html);
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echo '</div>';
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echo '</form>';
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}
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public function RunQuery(){
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if( !empty($_REQUEST['q']) ){
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$this->SearchPattern();
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$this->SearchPages();
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\gp\tool\Plugins::Action('Search', array($this));
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}
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$this->ShowResults();
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}
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public function ShowResults(){
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global $langmessage;
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if( !count($this->results) ){
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if( !empty($_REQUEST['q']) ){
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echo '<p class="search_results alert alert-secondary">';
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echo \gp\tool\Output::GetAddonText($langmessage['search_no_results']);
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echo '</p>';
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}
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return;
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}
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$this->RemoveDups();
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usort( $this->results, array($this, 'sort') );
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$total = count($this->results);
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$len = 20;
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$total_pages = ceil($total/$len);
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$current_page = self::ReqPage('pg', $total_pages );
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$start = $current_page * $len;
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$end = min($start+$len, $total);
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$this->results = array_slice($this->results, $start, $len, true);
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echo '<p class="search_nav search_nav_top">';
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echo sprintf($langmessage['SHOWING'], ($start + 1), $end, $total);
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echo '</p>';
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echo '<div class="result_list">';
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foreach($this->results as $result){
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echo '<div><h4>';
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echo isset($result['link']) ? $result['link'] : \gp\tool::Link(
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$result['slug'],
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$result['label'],
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'highlight=' . rawurlencode($_REQUEST['q'])
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); // $result['query']
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if( $this->show_stats ){
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echo ' <span class="search-matches-count">' . $result['matches'] . '</span>' ;
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}
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echo '</h4>';
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echo $result['content'];
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if( $this->show_stats ){
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echo ' <span class="match_stats">';
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echo $result['matches'] . ' match(es) out of ' . $result['words'] . ' words ';
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echo ' </span>';
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}
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echo '</div>';
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}
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echo '</div>';
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$attr = 'class="page-link"';
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if( $this->gpabox ){
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$attr .= ' data-cmd="gpabox"';
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echo '<br/>';
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}
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$query = 'q=' . rawurlencode($_REQUEST['q']);
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self::PaginationLinks($current_page, $total_pages, 'special_gpsearch', $query, 'pg', $attr);
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}
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/**
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* Get the requested page number
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*
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* @param string $key
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* @param int $total_pages
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*/
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public static function ReqPage($key='pg', $total_pages=null){
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if( isset($_REQUEST[$key]) ){
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$pg = (int)$_REQUEST[$key];
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if( !is_null($total_pages) && $total_pages > 0 ){
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$pg = min($pg, $total_pages - 1);
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}
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return max(0,$pg);
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}
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return 0;
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}
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/**
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* Pagination links
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*
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*/
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public static function PaginationLinks($current_page, $total_pages, $slug, $query, $page_key='pg', $attr=''){
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global $langmessage;
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if( $total_pages < 1 ){
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return;
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}
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$prev_text = $langmessage['Previous'];
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$next_text = $langmessage['Next'];
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$current_text = $langmessage['Current Page'];
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echo '<nav aria-label="' . $langmessage['All Pages'] . '">';
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echo '<ul class="search_nav search_nav_bottom pagination">';
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//previous
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if( $current_page > 0 ){
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echo '<li class="page-item page-item-previous">';
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self::PaginationLink(
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$slug,
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$prev_text,
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$query,
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$page_key,
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$attr . ' aria-label="' . $prev_text . '"',
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($current_page - 1)
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);
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echo '</li>';
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}else{
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echo '<li class="page-item page-item-previous disabled">';
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echo '<span class="page-link">' . $prev_text . '</span>';
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echo '</li>';
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}
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// i
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$min_page = max(0, $current_page - 3);
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$max_page = min($min_page + 6, $total_pages);
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for($i = $min_page; $i < $max_page; $i++){
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if( $i == $current_page ){
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echo '<li class="page-item active">';
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echo '<span class="page-link" aria-label="' . $current_text . '">' . ($i + 1) . '</span>';
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echo '</li>';
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continue;
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}
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echo '<li class="page-item">';
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self::PaginationLink(
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$slug,
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($i + 1),
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$query,
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$page_key,
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$attr,
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$i
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);
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echo '</li>';
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}
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// next
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if( ($current_page+1) < $total_pages ){
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echo '<li class="page-item page-item-next">';
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self::PaginationLink(
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$slug,
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$next_text,
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$query,
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$page_key,
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$attr . ' aria-label="' . $next_text . '"',
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($current_page + 1)
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);
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echo '</li>';
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}else{
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echo '<li class="page-item page-item-next disabled">';
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echo '<span class="page-link">' . $next_text . '</span>';
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echo '</li>';
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}
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echo '</ul>';
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echo '</nav>';
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}
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public static function PaginationLink($slug, $label, $query, $page_key, $attr, $page){
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if( $page > 0){
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$query .= '&' . $page_key . '=' . $page;
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}
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echo '<li>' . \gp\tool::Link($slug, $label, $query, $attr) . '</li>';
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}
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/**
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* Remove duplicate matches
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*
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*/
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public function RemoveDups(){
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$links = array();
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foreach($this->results as $key => $result){
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$link = isset($result['url']) ? $result['url'] : \gp\tool::GetUrl($result['slug'], $result['query']);
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// $link = mb_strtolower($link);
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if( in_array($link,$links) ){
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unset($this->results[$key]);
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}else{
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$links[] = $link;
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}
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}
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}
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public function Sort($resulta,$resultb){
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return $resulta['strength'] < $resultb['strength'];
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}
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public function SearchPattern(){
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// $query = mb_strtolower($_REQUEST['q']);
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$query = $_REQUEST['q'];
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// Search for the exact query when it is doubled quoted
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if (substr($query, 0, 1) == '"' && substr($query, -1) == '"') {
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$query = substr($query, 1, -1);
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$words = array($query);
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} else {
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preg_match_all("/\S+/", $query, $words);
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$words = array_unique($words[0]);
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}
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$sub_pattern1 = $sub_pattern2 = array();
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foreach($words as $word){
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$sub_pattern1[] = '\b' . preg_quote($word, '#') . '\b';
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$sub_pattern2[] = preg_quote($word, '#');
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}
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$this->search_pattern = '#(?:(' . implode('|', $sub_pattern1) . ')|(' . implode('|', $sub_pattern2) . '))#Siu';
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}
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public function Admin(){
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global $langmessage;
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if( !\gp\tool::LoggedIn() ){
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return false;
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}
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$this->page->admin_links[] = array(
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'special_gpsearch',
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$langmessage['configuration'],
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'cmd=config',
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[ 'data-cmd' => 'gpabox', 'class' => 'admin-link-search-config' ]
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);
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$cmd = \gp\tool::GetCommand();
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switch($cmd){
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case 'save_config':
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if( $this->SaveConfig() ){
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break;
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}
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return true;
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case 'config':
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$this->Config($this->search_config);
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return true;
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}
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return false;
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}
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/**
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* Get the search configuration
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*
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*/
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public function GetConfig(){
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$this->search_config = \gp\tool\Files::Get($this->config_file, 'search_config');
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$this->search_config += array('search_hidden' => false);
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}
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public function SaveConfig(){
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global $langmessage;
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if( isset($_POST['search_hidden']) ){
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$search_config['search_hidden'] = true;
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}else{
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$search_config['search_hidden'] = false;
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}
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if( \gp\tool\Files::SaveData($this->config_file, 'search_config', $search_config) ){
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msg($langmessage['SAVED']);
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$this->search_config = $search_config;
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return true;
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}
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msg($langmessage['OOPS']);
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$this->Config($_POST);
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return false;
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}
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public function Config($array=array()){
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global $langmessage, $addonFolderName, $gp_index;
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echo '<h2>' . $langmessage['Search'] . ' » ' . $langmessage['configuration'] . '</h2>';
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echo '<form class="renameform" action="' . \gp\tool::GetUrl('special_gpsearch') . '" method="post">';
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echo '<table class="bordered full_width">';
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echo '<tr>';
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echo '<th>' . $langmessage['options'] . '</th>';
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echo '<th>' . $langmessage['Value'] . '</th>';
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echo '<th style="text-align:right;">' . $langmessage['default'] . '</th>';
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echo '</tr>';
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echo '<tr>';
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echo '<td>' . $langmessage['Search Hidden Files'] . '</td>';
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echo '<td>';
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$checked = isset($array['search_hidden']) && $array['search_hidden'] ? ' checked="checked"' : '';
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echo '<input type="checkbox" name="search_hidden" value="true"' . $checked . ' />';
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echo '</td>';
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echo '<td style="text-align:right;">' . $langmessage['False'] . '</td>';
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echo '</tr>';
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echo '</table>';
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echo '<p>';
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echo '<input type="hidden" name="cmd" value="save_config" />';
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echo '<input type="submit" name="" value="' . $langmessage['save'] . '" class="gpsubmit" /> ';
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echo '<input type="submit" name="cmd" value="' . $langmessage['cancel'] . '"';
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echo ' class="admin_box_close gpcancel" /> ';
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echo '</p>';
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echo '</form>';
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}
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public function SearchPages(){
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global $gp_index;
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ob_start();
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foreach($gp_index as $title => $index){
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if( \gp\tool::SpecialOrAdmin($title) === false ){
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$this->SearchPage($title, $index);
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}
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}
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ob_get_clean();
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}
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public function SearchPage($title, $index){
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global $gp_menu, $gp_titles;
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//search hidden?
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if( !$this->search_hidden && !isset($gp_menu[$index]) ){
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return;
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}
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//private pages
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if( !\gp\tool::LoggedIn() && isset($gp_titles[$index]['vis']) ){
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return;
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}
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$full_path = \gp\tool\Files::PageFile($title);
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$file_sections = \gp\tool\Files::Get($full_path, 'file_sections');
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if( !$file_sections ){
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return;
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}
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$content = \gp\tool\Output\Sections::Render($file_sections, $title, \gp\tool\Files::$last_stats);
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$label = \gp\tool::GetLabel($title);
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$this->FindString($content, $label, $title);
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}
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public function FindString(&$content, $label, $slug, $link_query=''){
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$this->search_count++;
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//search all of the content include html
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// $content = mb_strtolower($content);
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$content = $label . ' ' . $content;
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$match_count = preg_match_all($this->search_pattern, $content, $matches, PREG_OFFSET_CAPTURE);
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if( $match_count < 1 ){
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return;
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}
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$words = str_word_count($content);
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$strength = $this->Strength($matches,$words);
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//format content, remove html
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$label_len = strlen($label);
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$content = preg_replace('#<style[^>]*>.*?</style>#si', '', $content);
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$content = preg_replace('#<script[^>]*>.*?</script>#si', '', $content);
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$content = substr($content, $label_len);
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$content = str_replace('>', '> ', $content);
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$content = preg_replace('/\s+/', ' ', $content);
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$content = strip_tags($content);
|
|
preg_match($this->search_pattern, $content, $matches, PREG_OFFSET_CAPTURE);
|
|
$start = isset($matches[0][1]) ? $matches[0][1] : 0;
|
|
|
|
//find a space at the beginning to start from
|
|
$i = 0;
|
|
do{
|
|
$i++;
|
|
$start_offset = $i * 10;
|
|
$start = max(0, $start - $start_offset);
|
|
$trimmed = substr($content, $start, 300);
|
|
$space = strpos($trimmed, ' ');
|
|
if( $space < $start_offset ){
|
|
$content = substr($trimmed, $space);
|
|
break;
|
|
}
|
|
}while( ($start-$start_offset) > 0);
|
|
|
|
|
|
//find a space at the end
|
|
if( strlen($content) > 250 ){
|
|
$space2 = strpos($content, ' ', $space + 220);
|
|
if( $space2 > 0 ){
|
|
$content = substr($content, 0, $space2);
|
|
}
|
|
}
|
|
|
|
$result = array();
|
|
$result['label'] = $label;
|
|
$result['slug'] = $slug;
|
|
$result['query'] = $link_query;
|
|
$result['content'] = preg_replace($this->search_pattern, '<strong>\1\2</strong>', $content);
|
|
$result['words'] = $words;
|
|
$result['matches'] = $match_count;
|
|
$result['strength'] = $strength;
|
|
$this->results[] = $result;
|
|
}
|
|
|
|
|
|
|
|
function Strength($matches, $len){
|
|
|
|
//space around search terms
|
|
$factor = 0;
|
|
foreach((array)$matches[1] as $match){
|
|
if( is_array($match) && $match[1] >= 0 ){
|
|
$factor += 3;
|
|
}
|
|
}
|
|
|
|
//no space around search term
|
|
foreach((array)$matches[2] as $match){
|
|
if( is_array($match) && $match[1] >= 0 ){
|
|
$factor += 1;
|
|
}
|
|
}
|
|
|
|
$strength = $factor / $len;
|
|
return round($strength, 8);
|
|
}
|
|
|
|
}
|