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/home/develito/www/libraries-new/syw2/text.php

<?php
/**
* @copyright	Copyright (C) 2011 Simplify Your Web, Inc. All rights reserved.
* @license		GNU General Public License version 3 or later; see LICENSE.txt
*/

// no direct access
defined('_JEXEC') or die;

class SYWText {
	
	/**
	 * Get text from string with or without stripped html tags
	 * Strips out Joomla plugin tags
	 * Joomla 3.1+ only
	 * 
	 */
	static function getText($text, $type='html', $max_letter_count = 0, $strip_tags = true, $tags_to_keep = '', $strip_plugin_tags = true) {
	
		$temp = '';
	
		if ($max_letter_count == 0) {
			return $temp;
		}
			
		if ($max_letter_count > 0) {
			if ($type == 'html') {
				$temp = self::stripPluginTags($text);
				if ($strip_tags) {
					if ($tags_to_keep == '') {
						$temp = strip_tags($temp);
						return JHtmlString::truncate($temp, $max_letter_count, false, false); // splits words and no html allowed
					} else {
						$temp = strip_tags($temp, $tags_to_keep);
						if (method_exists('JHtmlString', 'truncateComplex')) {
							return JHtmlString::truncateComplex($temp, $max_letter_count, true); // since Joomla v3.1
						} else {
							//JFactory::getApplication()->enqueueMessage(JText::_('LIB_SYW_WARNING_CANNOTUSETRUNCATE'), 'warning'); // requires Joomla 3.1 minimum
							return JHtmlString::truncate($temp, $max_letter_count, false, false);
						}
					}
				} else {
					if (method_exists('JHtmlString', 'truncateComplex')) {
						return JHtmlString::truncateComplex($temp, $max_letter_count, true); // since Joomla v3.1
					} else {
						//JFactory::getApplication()->enqueueMessage(JText::_('LIB_SYW_WARNING_CANNOTUSETRUNCATE'), 'warning'); // requires Joomla 3.1 minimum
						JHtmlString::truncate($temp, $max_letter_count, false, false);
					}
				}
			} else { // 'txt'
				return JHtmlString::truncate($text, $max_letter_count, false, false); // splits words and no html allowed
			}
		} else { // take everything
			if ($type == 'html') {
				if ($strip_plugin_tags) {
					$text = self::stripPluginTags($text);
				}
				if ($strip_tags) {
					if ($tags_to_keep == '') {
						return strip_tags($text);
					} else {
						return strip_tags($text, $tags_to_keep);
					}
				} else {
					return $text;
				}
			} else { // 'txt'
				return $text;
			}
		}
	
		return $temp;
	}
	
	static function stripPluginTags($output) {
			
		$plugins = array();
	
		preg_match_all('/\{\w*/', $output, $matches);
		foreach ($matches[0] as $match) {
			$match = str_replace('{', '', $match);
			if (strlen($match)) {
				$plugins[$match] = $match;
			}
		}
			
		$find = array();
		foreach ($plugins as $plugin) {
			$find[] = '\{'.$plugin.'\s?.*?\}.*?\{/'.$plugin.'\}';
			$find[] = '\{'.$plugin.'\s?.*?\}';
		}
		if(!empty($find)) {
			foreach($find as $key=>$f) {
				$f = '/'.str_replace('/','\/',$f).'/';
				$find[$key] = $f;
			}
			$output = preg_replace($find ,'', $output);
		}
	
		return $output;
	}

}
?>