library/HTMLPurifier/ConfigSchema/InterchangeValidator.php

   1 <?php
   2
   3 /**
   4  * Decorator for interchange that performs validations
   5  */
   6 class HTMLPurifier_ConfigSchema_InterchangeValidator
   7 {
   8     protected $interchange;
   9     protected $validators = array();
  10     protected $namespaceValidators = array();
  11     protected $directiveValidators = array();
  12
  13     /**
  14      * @param $interchange Instance of HTMLPurifier_ConfigSchema_Interchange
  15      *      to save changes to.
  16      */
  17     public function __construct($interchange) {
  18         $this->interchange = $interchange;
  19     }
  20
  21     /**
  22      * Registers a HTMLPurifier_ConfigSchema_Validator to run when adding.
  23      */
  24     public function addValidator($validator) {
  25         $this->addNamespaceValidator($validator);
  26         $this->addDirectiveValidator($validator);
  27     }
  28
  29     /**
  30      * Register validators to be used only on directives
  31      */
  32     public function addDirectiveValidator($validator) {
  33         $this->directiveValidators[] = $validator;
  34     }
  35
  36     /**
  37      * Register validators to be used only on namespaces
  38      */
  39     public function addNamespaceValidator($validator) {
  40         $this->namespaceValidators[] = $validator;
  41     }
  42
  43     /**
  44      * Validates and adds a namespace hash
  45      */
  46     public function addNamespace($hash) {
  47         foreach ($this->namespaceValidators as $validator) {
  48             $validator->validate($hash, $this->interchange);
  49         }
  50         $this->interchange->addNamespace($hash);
  51     }
  52
  53     /**
  54      * Validates and adds a directive hash
  55      */
  56     public function addDirective($hash) {
  57         foreach ($this->directiveValidators as $validator) {
  58             $validator->validate($hash, $this->interchange);
  59         }
  60         $this->interchange->addDirective($hash);
  61     }
  62 }