File indexing completed on 2024-12-22 05:36:21

 <?php
 
 /**
  * Provides lookup array of attribute types to HTMLPurifier_AttrDef objects
  */
 class HTMLPurifier_AttrTypes
 {
     /**
      * Lookup array of attribute string identifiers to concrete implementations.
      * @type HTMLPurifier_AttrDef[]
      */
     protected $info = array();
 
     /**
      * Constructs the info array, supplying default implementations for attribute
      * types.
      */
     public function __construct()
     {
         // XXX This is kind of poor, since we don't actually /clone/
         // instances; instead, we use the supplied make() attribute. So,
         // the underlying class must know how to deal with arguments.
         // With the old implementation of Enum, that ignored its
         // arguments when handling a make dispatch, the IAlign
         // definition wouldn't work.
 
         // pseudo-types, must be instantiated via shorthand
         $this->info['Enum']    = new HTMLPurifier_AttrDef_Enum();
         $this->info['Bool']    = new HTMLPurifier_AttrDef_HTML_Bool();
 
         $this->info['CDATA']    = new HTMLPurifier_AttrDef_Text();
         $this->info['ID']       = new HTMLPurifier_AttrDef_HTML_ID();
         $this->info['Length']   = new HTMLPurifier_AttrDef_HTML_Length();
         $this->info['MultiLength'] = new HTMLPurifier_AttrDef_HTML_MultiLength();
         $this->info['NMTOKENS'] = new HTMLPurifier_AttrDef_HTML_Nmtokens();
         $this->info['Pixels']   = new HTMLPurifier_AttrDef_HTML_Pixels();
         $this->info['Text']     = new HTMLPurifier_AttrDef_Text();
         $this->info['URI']      = new HTMLPurifier_AttrDef_URI();
         $this->info['LanguageCode'] = new HTMLPurifier_AttrDef_Lang();
         $this->info['Color']    = new HTMLPurifier_AttrDef_HTML_Color();
         $this->info['IAlign']   = self::makeEnum('top,middle,bottom,left,right');
         $this->info['LAlign']   = self::makeEnum('top,bottom,left,right');
         $this->info['FrameTarget'] = new HTMLPurifier_AttrDef_HTML_FrameTarget();
 
         // unimplemented aliases
         $this->info['ContentType'] = new HTMLPurifier_AttrDef_Text();
         $this->info['ContentTypes'] = new HTMLPurifier_AttrDef_Text();
         $this->info['Charsets'] = new HTMLPurifier_AttrDef_Text();
         $this->info['Character'] = new HTMLPurifier_AttrDef_Text();
 
         // "proprietary" types
         $this->info['Class'] = new HTMLPurifier_AttrDef_HTML_Class();
 
         // number is really a positive integer (one or more digits)
         // FIXME: ^^ not always, see start and value of list items
         $this->info['Number']   = new HTMLPurifier_AttrDef_Integer(false, false, true);
     }
 
     private static function makeEnum($in)
     {
         return new HTMLPurifier_AttrDef_Clone(new HTMLPurifier_AttrDef_Enum(explode(',', $in)));
     }
 
     /**
      * Retrieves a type
      * @param string $type String type name
      * @return HTMLPurifier_AttrDef Object AttrDef for type
      */
     public function get($type)
     {
         // determine if there is any extra info tacked on
         if (strpos($type, '#') !== false) {
             list($type, $string) = explode('#', $type, 2);
         } else {
             $string = '';
         }
 
         if (!isset($this->info[$type])) {
             trigger_error('Cannot retrieve undefined attribute type ' . $type, E_USER_ERROR);
             return;
         }
         return $this->info[$type]->make($string);
     }
 
     /**
      * Sets a new implementation for a type
      * @param string $type String type name
      * @param HTMLPurifier_AttrDef $impl Object AttrDef for type
      */
     public function set($type, $impl)
     {
         $this->info[$type] = $impl;
     }
 }
 
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