gnu-social/lib/peoplesearchresults.php

<?php
/**
 * People search results class
 *
 * PHP version 5
 *
 * @category Widget
 * @package  Laconica
 * @author   Evan Prodromou <evan@controlyourself.ca>
 * @author   Robin Millette <millette@controlyourself.ca>
 * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
 * @link     http://laconi.ca/
 *
 * Laconica - a distributed open-source microblogging tool
 * Copyright (C) 2008, 2009, Control Yourself, Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

if (!defined('LACONICA')) {
    exit(1);
}

require_once INSTALLDIR.'/lib/profilelist.php';

/**
 * People search results class
 *
 * Derivative of ProfileList with specialization for highlighting search terms.
 *
 * @category Widget
 * @package  Laconica
 * @author   Evan Prodromou <evan@controlyourself.ca>
 * @author   Robin Millette <millette@controlyourself.ca>
 * @license  http://www.fsf.org/licensing/licenses/agpl.html AGPLv3
 * @link     http://laconi.ca/
 *
 * @see PeoplesearchAction
 */

class PeopleSearchResults extends ProfileList
{
    var $terms = null;
    var $pattern = null;

    function __construct($profile, $terms, $action)
    {
        parent::__construct($profile, $action);

        $this->terms = array_map('preg_quote',
                                 array_map('htmlspecialchars', $terms));

        $this->pattern = '/('.implode('|',$terms).')/i';
    }

    function newProfileItem($profile)
    {
        return new PeopleSearchResultItem($profile, $this->action);
    }
}

class PeopleSearchResultItem extends ProfileListItem
{
    function highlight($text)
    {
        return preg_replace($this->pattern, '<strong>\\1</strong>', htmlspecialchars($text));
    }
}