Source/carbon/libraries/Parser.php

   1 <?php
   2 /*------------------------------------------------------------
   3 *  CarbonPHP framework (C) Tom Bell
   4 *  http://tombell.org.uk
   5 *------------------------------------------------------------*/
   6
   7 if (!defined('CARBON_PATH'))
   8 {
   9         exit('Direct script access is not allowed.');
  10 }
  11
  12 class Carbon_Parser
  13 {
  14         protected $l_delim = '{';
  15         protected $r_delim = '}';
  16         protected $object;
  17
  18         public function __construct()
  19         {
  20                 log_message('debug', 'Parser.php - Carbon_Parser class initialised');
  21         }
  22
  23         public function parse($template, $data, $return = false)
  24         {
  25                 $carbon =& get_instance();
  26                 $template = $carbon->load->view($template, $data, true);
  27
  28                 if ($template == '')
  29                 {
  30                         return false;
  31                 }
  32
  33                 foreach ($data as $key => $value)
  34                 {
  35                         if (is_array($value))
  36                         {
  37                                 $template = $this->_parse_pair($key, $value, $template);
  38                         }
  39                         else
  40                         {
  41                                 $template = $this->_parse_single($key, (string) $value, $template);
  42                         }
  43                 }
  44
  45                 if ($return == false)
  46                 {
  47                         $carbon->output->set_final_output($template);
  48                 }
  49
  50                 return $template;
  51         }
  52
  53         public function set_delimiters($l = '{', $r = '}')
  54         {
  55                 $this->l_delim = $l;
  56                 $this->r_delim = $r;
  57         }
  58
  59         protected _parse_single($key, $value, $string)
  60         {
  61                 return str_replace($this->l_delim . $key . $this->r_delim, $value, $string);
  62         }
  63
  64         protected _parse_pair($variable, $data, $string)
  65         {
  66                 $match = $this->_match_pair($string, $variable);
  67
  68                 if ($match === false)
  69                 {
  70                         return $string;
  71                 }
  72
  73                 $str = '';
  74
  75                 foreach ($data as $row)
  76                 {
  77                         $temp = $match['1'];
  78
  79                         foreach ($row as $key => $value)
  80                         {
  81                                 if (is_array($value))
  82                                 {
  83                                         $temp = $this->_parse_pair($key, $value, $temp);
  84                                 }
  85                                 else
  86                                 {
  87                                         $temp = $this->_parse_single($key, $value, $temp);
  88                                 }
  89                         }
  90
  91                         $str .= $temp;
  92                 }
  93
  94                 return str_replace($match['0'], $str, $string);
  95         }
  96
  97         protected _match_pair($string, $variable)
  98         {
  99                 if (!preg_match("|".$this->l_delim . $variable . $this->r_delim."(.+)".$this->l_delim . '/' . $variable . $this->r_delim."|s", $string, $match))
 100                 {
 101                         return false;
 102                 }
 103
 104                 return $match;
 105         }
 106 }
 107
 108 ?>