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2005 Aurelien 1
<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
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/**
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 * CodeIgniter
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 *
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 * An open source application development framework for PHP 4.3.2 or newer
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 *
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 * @package		CodeIgniter
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 * @author		ExpressionEngine Dev Team
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 * @copyright	Copyright (c) 2008, EllisLab, Inc.
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 * @license		http://codeigniter.com/user_guide/license.html
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 * @link		http://codeigniter.com
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 * @since		Version 1.0
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 * @filesource
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 */
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// ------------------------------------------------------------------------
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/**
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 * Parser Class
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 *
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 * @package		CodeIgniter
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 * @subpackage	Libraries
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 * @category	Parser
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 * @author		ExpressionEngine Dev Team
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 * @link		http://codeigniter.com/user_guide/libraries/parser.html
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 */
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class CI_Parser {
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	var $l_delim = '{';
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	var $r_delim = '}';
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	var $object;
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	/**
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	 *  Parse a template
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	 *
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	 * Parses pseudo-variables contained in the specified template,
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	 * replacing them with the data in the second param
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	 *
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	 * @access	public
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	 * @param	string
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	 * @param	array
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	 * @param	bool
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	 * @return	string
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	 */
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	function parse($template, $data, $return = FALSE)
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	{
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		$CI =& get_instance();
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		$template = $CI->load->view($template, $data, TRUE);
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		if ($template == '')
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		{
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			return FALSE;
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		}
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		foreach ($data as $key => $val)
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		{
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			if (is_array($val))
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			{
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				$template = $this->_parse_pair($key, $val, $template);
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			}
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			else
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			{
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				$template = $this->_parse_single($key, (string)$val, $template);
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			}
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		}
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		if ($return == FALSE)
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		{
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			$CI->output->append_output($template);
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		}
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		return $template;
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	}
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	// --------------------------------------------------------------------
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	/**
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	 *  Set the left/right variable delimiters
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	 *
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	 * @access	public
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	 * @param	string
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	 * @param	string
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	 * @return	void
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	 */
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	function set_delimiters($l = '{', $r = '}')
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	{
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		$this->l_delim = $l;
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		$this->r_delim = $r;
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	}
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	// --------------------------------------------------------------------
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	/**
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	 *  Parse a single key/value
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	 *
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	 * @access	private
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	 * @param	string
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	 * @param	string
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	 * @param	string
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	 * @return	string
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	 */
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	function _parse_single($key, $val, $string)
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	{
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		return str_replace($this->l_delim.$key.$this->r_delim, $val, $string);
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	}
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	// --------------------------------------------------------------------
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	/**
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	 *  Parse a tag pair
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	 *
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	 * Parses tag pairs:  {some_tag} string... {/some_tag}
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	 *
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	 * @access	private
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	 * @param	string
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	 * @param	array
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	 * @param	string
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	 * @return	string
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	 */
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	function _parse_pair($variable, $data, $string)
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	{
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		if (FALSE === ($match = $this->_match_pair($string, $variable)))
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		{
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			return $string;
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		}
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		$str = '';
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		foreach ($data as $row)
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		{
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			$temp = $match['1'];
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			foreach ($row as $key => $val)
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			{
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				if ( ! is_array($val))
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				{
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					$temp = $this->_parse_single($key, $val, $temp);
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				}
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				else
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				{
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					$temp = $this->_parse_pair($key, $val, $temp);
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				}
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			}
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			$str .= $temp;
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		}
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		return str_replace($match['0'], $str, $string);
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	}
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	// --------------------------------------------------------------------
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	/**
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	 *  Matches a variable pair
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	 *
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	 * @access	private
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	 * @param	string
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	 * @param	string
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	 * @return	mixed
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	 */
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	function _match_pair($string, $variable)
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	{
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		if ( ! preg_match("|".$this->l_delim . $variable . $this->r_delim."(.+?)".$this->l_delim . '/' . $variable . $this->r_delim."|s", $string, $match))
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		{
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			return FALSE;
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		}
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		return $match;
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	}
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}
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// END Parser Class
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/* End of file Parser.php */
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/* Location: ./system/libraries/Parser.php */