vendor/phenx/php-font-lib/src/FontLib/EncodingMap.php

   1 <?php
   2 /**
   3  * @package php-font-lib
   4  * @link    https://github.com/PhenX/php-font-lib
   5  * @author  Fabien Ménager <fabien.menager@gmail.com>
   6  * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
   7  */
   8
   9 namespace FontLib;
  10
  11 /**
  12  * Encoding map used to map a code point to a Unicode char.
  13  *
  14  * @package php-font-lib
  15  */
  16 class EncodingMap {
  17   private $f;
  18
  19   function __construct($file) {
  20     $this->f = fopen($file, "r");
  21   }
  22
  23   function parse() {
  24     $map = array();
  25
  26     while ($line = fgets($this->f)) {
  27       if (preg_match('/^[\!\=]([0-9A-F]{2,})\s+U\+([0-9A-F]{2})([0-9A-F]{2})\s+([^\s]+)/', $line, $matches)) {
  28         $unicode = (hexdec($matches[2]) << 8) + hexdec($matches[3]);
  29         $map[hexdec($matches[1])] = array($unicode, $matches[4]);
  30       }
  31     }
  32
  33     ksort($map);
  34
  35     return $map;
  36   }
  37 }