CodeIgniter installed

[living-lab-site.git] / system / libraries / Parser.php

diff --git a/system/libraries/Parser.php b/system/libraries/Parser.php
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+++ b/system/libraries/Parser.php
@@ -0,0 +1,212 @@
+<?php  if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * CodeIgniter
+ *
+ * An open source application development framework for PHP 5.1.6 or newer
+ *
+ * @package            CodeIgniter
+ * @author             ExpressionEngine Dev Team
+ * @copyright  Copyright (c) 2008 - 2011, 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 $object;
+
+       /**
+        *  Parse a template
+        *
+        * Parses pseudo-variables contained in the specified template view,
+        * replacing them with the data in the second param
+        *
+        * @access      public
+        * @param       string
+        * @param       array
+        * @param       bool
+        * @return      string
+        */
+       public function parse($template, $data, $return = FALSE)
+       {
+               $CI =& get_instance();
+               $template = $CI->load->view($template, $data, TRUE);
+
+               return $this->_parse($template, $data, $return);
+       }
+
+       // --------------------------------------------------------------------
+
+       /**
+        *  Parse a String
+        *
+        * Parses pseudo-variables contained in the specified string,
+        * replacing them with the data in the second param
+        *
+        * @access      public
+        * @param       string
+        * @param       array
+        * @param       bool
+        * @return      string
+        */
+       function parse_string($template, $data, $return = FALSE)
+       {
+               return $this->_parse($template, $data, $return);
+       }
+
+       // --------------------------------------------------------------------
+
+       /**
+        *  Parse a template
+        *
+        * Parses pseudo-variables contained in the specified template,
+        * replacing them with the data in the second param
+        *
+        * @access      public
+        * @param       string
+        * @param       array
+        * @param       bool
+        * @return      string
+        */
+       function _parse($template, $data, $return = FALSE)
+       {
+               if ($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 =& get_instance();
+                       $CI->output->append_output($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, $variable)
+       {
+               if ( ! preg_match("|" . preg_quote($this->l_delim) . $variable . preg_quote($this->r_delim) . "(.+?)". preg_quote($this->l_delim) . '/' . $variable . preg_quote($this->r_delim) . "|s", $string, $match))
+               {
+                       return FALSE;
+               }
+
+               return $match;
+       }
+
+}
+// END Parser Class
+
+/* End of file Parser.php */
+/* Location: ./system/libraries/Parser.php */