vendor/oyejorge/less.php/lib/Less/Exception/Parser.php

   1 <?php\r
   2 \r
   3 /**\r
   4  * Parser Exception\r
   5  *\r
   6  * @package Less\r
   7  * @subpackage exception\r
   8  */\r
   9 class Less_Exception_Parser extends Exception{\r
  10 \r
  11         /**\r
  12          * The current file\r
  13          *\r
  14          * @var Less_ImportedFile\r
  15          */\r
  16         public $currentFile;\r
  17 \r
  18         /**\r
  19          * The current parser index\r
  20          *\r
  21          * @var integer\r
  22          */\r
  23         public $index;\r
  24 \r
  25         protected $input;\r
  26 \r
  27         protected $details = array();\r
  28 \r
  29 \r
  30         /**\r
  31          * Constructor\r
  32          *\r
  33          * @param string $message\r
  34          * @param Exception $previous Previous exception\r
  35          * @param integer $index The current parser index\r
  36          * @param Less_FileInfo|string $currentFile The file\r
  37          * @param integer $code The exception code\r
  38          */\r
  39         public function __construct($message = null, Exception $previous = null, $index = null, $currentFile = null, $code = 0){\r
  40 \r
  41                 if (PHP_VERSION_ID < 50300) {\r
  42                         $this->previous = $previous;\r
  43                         parent::__construct($message, $code);\r
  44                 } else {\r
  45                         parent::__construct($message, $code, $previous);\r
  46                 }\r
  47 \r
  48                 $this->currentFile = $currentFile;\r
  49                 $this->index = $index;\r
  50 \r
  51                 $this->genMessage();\r
  52         }\r
  53 \r
  54 \r
  55         protected function getInput(){\r
  56 \r
  57                 if( !$this->input && $this->currentFile && $this->currentFile['filename'] && file_exists($this->currentFile['filename']) ){\r
  58                         $this->input = file_get_contents( $this->currentFile['filename'] );\r
  59                 }\r
  60         }\r
  61 \r
  62 \r
  63 \r
  64         /**\r
  65          * Converts the exception to string\r
  66          *\r
  67          * @return string\r
  68          */\r
  69         public function genMessage(){\r
  70 \r
  71                 if( $this->currentFile && $this->currentFile['filename'] ){\r
  72                         $this->message .= ' in '.basename($this->currentFile['filename']);\r
  73                 }\r
  74 \r
  75                 if( $this->index !== null ){\r
  76                         $this->getInput();\r
  77                         if( $this->input ){\r
  78                                 $line = self::getLineNumber();\r
  79                                 $this->message .= ' on line '.$line.', column '.self::getColumn();\r
  80 \r
  81                                 $lines = explode("\n",$this->input);\r
  82 \r
  83                                 $count = count($lines);\r
  84                                 $start_line = max(0, $line-3);\r
  85                                 $last_line = min($count, $start_line+6);\r
  86                                 $num_len = strlen($last_line);\r
  87                                 for( $i = $start_line; $i < $last_line; $i++ ){\r
  88                                         $this->message .= "\n".str_pad($i+1,$num_len,'0',STR_PAD_LEFT).'| '.$lines[$i];\r
  89                                 }\r
  90                         }\r
  91                 }\r
  92 \r
  93         }\r
  94 \r
  95         /**\r
  96          * Returns the line number the error was encountered\r
  97          *\r
  98          * @return integer\r
  99          */\r
 100         public function getLineNumber(){\r
 101                 if( $this->index ){\r
 102                         // https://bugs.php.net/bug.php?id=49790\r
 103                         if (ini_get("mbstring.func_overload")) {\r
 104                                 return substr_count(substr($this->input, 0, $this->index), "\n") + 1;\r
 105                         } else {\r
 106                                 return substr_count($this->input, "\n", 0, $this->index) + 1;\r
 107                         }\r
 108                 }\r
 109                 return 1;\r
 110         }\r
 111 \r
 112 \r
 113         /**\r
 114          * Returns the column the error was encountered\r
 115          *\r
 116          * @return integer\r
 117          */\r
 118         public function getColumn(){\r
 119 \r
 120                 $part = substr($this->input, 0, $this->index);\r
 121                 $pos = strrpos($part,"\n");\r
 122                 return $this->index - $pos;\r
 123         }\r
 124 \r
 125 }\r