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<?php
/**
 * @package   Phoca Gallery
 * @author    Jan Pavelka - https://www.phoca.cz
 * @copyright Copyright (C) Jan Pavelka https://www.phoca.cz
 * @license   http://www.gnu.org/licenses/gpl-2.0.html GNU/GPLv2 and later
 * @cms       Joomla
 * @copyright Copyright (C) Open Source Matters. All rights reserved.
 * @license   http://www.gnu.org/copyleft/gpl.html GNU/GPL, see LICENSE.php
 */
defined( '_JEXEC' ) or die( 'Restricted access' );

class PhocaGalleryComment
{
	public static function closeTags($comment, $tag, $endTag) {
		if (substr_count(strtolower($comment), $tag) > substr_count(strtolower($comment), $endTag)) {
			$comment .= $endTag;
			$comment = PhocaGalleryComment::closeTags($comment, $tag, $endTag);
		}
			return $comment;

	}

	public static function getSmileys() {
		$smileys = array();
			$smileys[':)'] 		= '&#x1F642';
			$smileys[':lol:'] 	= '&#x1F604';
			$smileys[':('] 		= '&#x2639';
			$smileys[':?'] 		= '&#x1F615';
			$smileys[':wink:'] 	= '&#x1F609';
		return $smileys;


	}

	/*
	 * @based based on Seb's BB-Code-Parser script by seb
	 * @url http://www.traum-projekt.com/forum/54-traum-scripts/25292-sebs-bb-code-parser.html
	 */
	public static function bbCodeReplace($string, $currentString = '') {

	    while($currentString != $string) {
			$currentString 	= $string;
			$string 		= preg_replace_callback('{\[(\w+)((=)(.+)|())\]((.|\n)*)\[/\1\]}U', array('PhocaGalleryComment', 'bbCodeCallback'), $string);
	    }
	    return $string;
	}

	/*
	 * @based based on Seb's BB-Code-Parser script by seb
	 * @url http://www.traum-projekt.com/forum/54-traum-scripts/25292-sebs-bb-code-parser.html
	 */
	public static function bbCodeCallback($matches) {
		$tag 			= trim($matches[1]);
		$bodyString 	= $matches[6];
		$argument 		= $matches[4];

	    switch($tag) {
			case 'b':
			case 'i':
			case 'u':
				$replacement = '<'.$tag.'>'.$bodyString.'</'.$tag.'>';
	            break;

	        Default:    // unknown tag => reconstruct and return original expression
	            $replacement = '[' . $tag . ']' . $bodyString . '[/' . $tag .']';
	            break;
	    }
		return $replacement;
	}
}
?>