From 9e9d77b4072de4f8c73e8bbade07a8f27734e4bd Mon Sep 17 00:00:00 2001
From: Florian Pritz <bluewind@xssn.at>
Date: Sat, 6 Feb 2010 23:14:56 +0100
Subject: Initial commit

Signed-off-by: Florian Pritz <bluewind@xssn.at>
---
 system/libraries/Parser.php | 173 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 173 insertions(+)
 create mode 100644 system/libraries/Parser.php

(limited to 'system/libraries/Parser.php')

diff --git a/system/libraries/Parser.php b/system/libraries/Parser.php
new file mode 100644
index 000000000..da3243755
--- /dev/null
+++ b/system/libraries/Parser.php
@@ -0,0 +1,173 @@
+<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package		CodeIgniter
+ * @author		ExpressionEngine Dev Team
+ * @copyright	Copyright (c) 2008 - 2009, EllisLab, Inc.
+ * @license		http://codeigniter.com/user_guide/license.html
+ * @link		http://codeigniter.com
+ * @since		Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Parser Class
+ *
+ * @package		CodeIgniter
+ * @subpackage	Libraries
+ * @category	Parser
+ * @author		ExpressionEngine Dev Team
+ * @link		http://codeigniter.com/user_guide/libraries/parser.html
+ */
+class CI_Parser {
+
+	var $l_delim = '{';
+	var $r_delim = '}';
+	var $object;
+		
+	/**
+	 *  Parse a template
+	 *
+	 * Parses pseudo-variables contained in the specified template,
+	 * replacing them with the data in the second param
+	 *
+	 * @access	public
+	 * @param	string
+	 * @param	array
+	 * @param	bool
+	 * @return	string
+	 */
+	function parse($template, $data, $return = FALSE)
+	{
+		$CI =& get_instance();
+		$template = $CI->load->view($template, $data, TRUE);
+		
+		if ($template == '')
+		{
+			return FALSE;
+		}
+		
+		foreach ($data as $key => $val)
+		{
+			if (is_array($val))
+			{
+				$template = $this->_parse_pair($key, $val, $template);		
+			}
+			else
+			{
+				$template = $this->_parse_single($key, (string)$val, $template);
+			}
+		}
+		
+		if ($return == FALSE)
+		{
+			$CI->output->append_output($template);
+		}
+		
+		return $template;
+	}
+	
+	// --------------------------------------------------------------------
+	
+	/**
+	 *  Set the left/right variable delimiters
+	 *
+	 * @access	public
+	 * @param	string
+	 * @param	string
+	 * @return	void
+	 */
+	function set_delimiters($l = '{', $r = '}')
+	{
+		$this->l_delim = $l;
+		$this->r_delim = $r;
+	}
+	
+	// --------------------------------------------------------------------
+	
+	/**
+	 *  Parse a single key/value
+	 *
+	 * @access	private
+	 * @param	string
+	 * @param	string
+	 * @param	string
+	 * @return	string
+	 */
+	function _parse_single($key, $val, $string)
+	{
+		return str_replace($this->l_delim.$key.$this->r_delim, $val, $string);
+	}
+	
+	// --------------------------------------------------------------------
+	
+	/**
+	 *  Parse a tag pair
+	 *
+	 * Parses tag pairs:  {some_tag} string... {/some_tag}
+	 *
+	 * @access	private
+	 * @param	string
+	 * @param	array
+	 * @param	string
+	 * @return	string
+	 */
+	function _parse_pair($variable, $data, $string)
+	{	
+		if (FALSE === ($match = $this->_match_pair($string, $variable)))
+		{
+			return $string;
+		}
+
+		$str = '';
+		foreach ($data as $row)
+		{
+			$temp = $match['1'];
+			foreach ($row as $key => $val)
+			{
+				if ( ! is_array($val))
+				{
+					$temp = $this->_parse_single($key, $val, $temp);
+				}
+				else
+				{
+					$temp = $this->_parse_pair($key, $val, $temp);
+				}
+			}
+			
+			$str .= $temp;
+		}
+		
+		return str_replace($match['0'], $str, $string);
+	}
+	
+	// --------------------------------------------------------------------
+	
+	/**
+	 *  Matches a variable pair
+	 *
+	 * @access	private
+	 * @param	string
+	 * @param	string
+	 * @return	mixed
+	 */
+	function _match_pair($string, $variable)
+	{
+		if ( ! preg_match("|".$this->l_delim . $variable . $this->r_delim."(.+?)".$this->l_delim . '/' . $variable . $this->r_delim."|s", $string, $match))
+		{
+			return FALSE;
+		}
+		
+		return $match;
+	}
+
+}
+// END Parser Class
+
+/* End of file Parser.php */
+/* Location: ./system/libraries/Parser.php */
\ No newline at end of file
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