prepareResultRowTemplateData_postProc hook in indexed_search

<?php
/* * *************************************************************
 *  Copyright notice
 *
 *  (c) 2012 Ulrik Høyer Kold ([email protected])
 *  All rights reserved
 *
 *  This script is part of the TYPO3 project. The TYPO3 project is
 *  free software; you can redistribute it 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.
 *
 *  The GNU General Public License can be found at
 *  http://www.gnu.org/copyleft/gpl.html.
 *  A copy is found in the textfile GPL.txt and important notices to the license
 *  from the author is found in LICENSE.txt distributed with these scripts.
 *
 *
 *  This script 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 more details.
 *
 *  This copyright notice MUST APPEAR in all copies of the script!
 * ************************************************************* */
/**
 * Index search frontend example hook
 *
 * @author  Ulrik Høyer Kold <[email protected]>
 */

/**
 * Index search frontend - EXAMPLE hook for alternative searching / display etc.
 * Hooks are configured in ext_localconf.php as key => hook-reference pairs in $TYPO3_CONF_VARS['EXTCONF']['indexed_search']['pi1_hooks']. See example in ext_localconf.php for "indexed_search"
 * Each hook must have an entry, the key must match the hook-key in class.tx_indexed_search.php and generally the key equals the function name in the hook object (a convension used)
 *
 * @package TYPO3
 * @subpackage tx_indexedsearch
 * @author  Ulrik Høyer Kold <[email protected]>
 */
class tx_indexedsearch_pihook {

    var $pObj;  // Is set to a reference to the parent object, "pi1/class.indexedsearch.php"

    /**
     * EXAMPLE of how you can post process the initialized values in the frontend plugin.
     * The example reverses the order of elements in the ranking selector box. You can modify other values like this or add / remove items.
     *
     * This hook is activated by this key / value pair in ext_localconf.php
     *      'initialize_postProc' => 'EXT:indexed_search/example/class.pihook.php:&tx_indexedsearch_pihook',
     *
     * @return  void
     */

    function initialize_postProc() {
        $this->pObj->optValues['order'] = array_reverse($this->pObj->optValues['order']);
    }

    /**
     * Providing an alternative search algorithm!
     *
     * @param   array       Array of search words
     * @return  array       Array of first row, result rows, count
     */
#   function getResultRows($sWArr)  {
#   }

    /**
     * Example of how the content displayed in the result rows can be post processed before rendered into HTML.
     * This example simply shows how the description field is wrapped in italics and the path is hidden by setting it blank.
     *
     * @param   array       Template Content (generated from result row) being processed.
     * @param   array       Result row
     * @param   boolean     If set, the result row is a sub-row.
     * @return  array       Template Content returned.
     */
    function prepareResultRowTemplateData_postProc($tmplContent, $row, $headerOnly) {

        if ($row['show_resume']) {
            $markedSW = '';

            if (tx_indexedsearch_util::isTableUsed('index_fulltext')) {
                $res = $GLOBALS['TYPO3_DB']->exec_SELECTquery('*', 'index_fulltext, index_phash, pages', 'index_fulltext.phash=' . intval($row['phash']) . ' AND index_fulltext.phash=index_phash.phash AND index_phash.data_page_id = pages.uid');
            } else {
                $res = FALSE;
            }

            if ($res) {
                if ($ftdrow = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($res)) {

                    // Cut HTTP references after some length
                    $markedSW = preg_replace('/(http:\/\/[^ ]{60})([^ ]+)/i', '$1...', $ftdrow['fulltextdata']);

                    // strip the title
                    $markedSW = preg_replace('/^' . preg_quote($ftdrow['title'],'/') . '/', '', trim($markedSW));
                    $markedSW = preg_replace('/^,/', '', trim($markedSW));

                    // strip the description
                    $markedSW = preg_replace('/^' . preg_quote($ftdrow['description'],'/') . '/', '', trim($markedSW));
                    $markedSW = preg_replace('/^,/', '', trim($markedSW));

                    // strip the keywords - they are next in the fulltextdata field.
                    $markedSW = preg_replace('/^' . preg_quote($ftdrow['keywords'],'/') . '/', '', trim($markedSW));
                    $markedSW = preg_replace('/^,/', '', trim($markedSW));

                    // strip the title again ...
                    $markedSW = preg_replace('/^' . preg_quote($ftdrow['title'],'/') . '/', '', trim($markedSW));
                    $markedSW = preg_replace('/^,/', '', trim($markedSW));

                    $markedSW = $this->pObj->markupSWpartsOfString($markedSW);

                }
                $GLOBALS['TYPO3_DB']->sql_free_result($res);
            }

            if (!trim($markedSW)) {
                $outputStr = $GLOBALS['TSFE']->csConvObj->crop('utf-8', $row['item_description'], $lgd);
                $outputStr = htmlspecialchars($outputStr);
            }
            $output = $this->utf8_to_currentCharset($outputStr ? $outputStr : $markedSW);
            $tmplContent['description'] = $output;
        }

        return $tmplContent;
    }


    /**
     * Converts the input string from utf-8 to the backend charset.
     *
     * @param   string      String to convert (utf-8)
     * @return  string      Converted string (backend charset if different from utf-8)
     */
    function utf8_to_currentCharset($str)   {
        return $GLOBALS['TSFE']->csConv($str,'utf-8');
    }

}