/plugins/vjCommentPlugin/lib/tools/htmlpurifier/library/HTMLPurifier/AttrDef/HTML/Color.php

https://bitbucket.org/Kudlaty/360kdw · PHP · 32 lines · 18 code · 10 blank · 4 comment · 9 complexity · ed699f61359c5d7ab046d248253e5d9e MD5 · raw file 

    

  1. <?php
    2. 

  2. 

  3. /**
    4. 

  4.  * Validates a color according to the HTML spec.
    5. 

  5.  */
    6. 

  6. class HTMLPurifier_AttrDef_HTML_Color extends HTMLPurifier_AttrDef
    7. 

  7. {
    8. 

  8. 

  9.     public function validate($string, $config, $context) {
    10. 

  10. 

  11.         static $colors = null;
    12. 

  12.         if ($colors === null) $colors = $config->get('Core.ColorKeywords');
    13. 

  13. 

  14.         $string = trim($string);
    15. 

  15. 

  16.         if (empty($string)) return false;
    17. 

  17.         if (isset($colors[$string])) return $colors[$string];
    18. 

  18.         if ($string[0] === '#') $hex = substr($string, 1);
    19. 

  19.         else $hex = $string;
    20. 

  20. 

  21.         $length = strlen($hex);
    22. 

  22.         if ($length !== 3 && $length !== 6) return false;
    23. 

  23.         if (!ctype_xdigit($hex)) return false;
    24. 

  24.         if ($length === 3) $hex = $hex[0].$hex[0].$hex[1].$hex[1].$hex[2].$hex[2];
    25. 

  25. 

  26.         return "#$hex";
    27. 

  27. 

  28.     }
    29. 

  29. 

  30. }
    31. 

  31. 

  32. // vim: et sw=4 sts=4
    33.