library/HTMLPurifier/AttrDef/CSS/Border.php

   1 <?php
   2
   3 /**
   4  * Validates the border property as defined by CSS.
   5  */
   6 class HTMLPurifier_AttrDef_CSS_Border extends HTMLPurifier_AttrDef
   7 {
   8
   9     /**
  10      * Local copy of properties this property is shorthand for.
  11      * @type HTMLPurifier_AttrDef[]
  12      */
  13     protected $info = array();
  14
  15     /**
  16      * @param HTMLPurifier_Config $config
  17      */
  18     public function __construct($config)
  19     {
  20         $def = $config->getCSSDefinition();
  21         $this->info['border-width'] = $def->info['border-width'];
  22         $this->info['border-style'] = $def->info['border-style'];
  23         $this->info['border-top-color'] = $def->info['border-top-color'];
  24     }
  25
  26     /**
  27      * @param string $string
  28      * @param HTMLPurifier_Config $config
  29      * @param HTMLPurifier_Context $context
  30      * @return bool|string
  31      */
  32     public function validate($string, $config, $context)
  33     {
  34         $string = $this->parseCDATA($string);
  35         $string = $this->mungeRgb($string);
  36         $bits = explode(' ', $string);
  37         $done = array(); // segments we've finished
  38         $ret = ''; // return value
  39         foreach ($bits as $bit) {
  40             foreach ($this->info as $propname => $validator) {
  41                 if (isset($done[$propname])) {
  42                     continue;
  43                 }
  44                 $r = $validator->validate($bit, $config, $context);
  45                 if ($r !== false) {
  46                     $ret .= $r . ' ';
  47                     $done[$propname] = true;
  48                     break;
  49                 }
  50             }
  51         }
  52         return rtrim($ret);
  53     }
  54 }
  55
  56 // vim: et sw=4 sts=4