[3.1.0] Refactor out validation framework for Interchange

- Implement IdExists validator

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1584 48356398-32a2-884e-a903-53898d9a118a

library/HTMLPurifier/ConfigSchema/Interchange/Validator.php

@@ -0,0 +1,43 @@
+<?php
+
+/**
+ * Base decorator class for HTMLPurifier_ConfigSchema_Interchange
+ */
+class HTMLPurifier_ConfigSchema_Interchange_Validator extends HTMLPurifier_ConfigSchema_Interchange
+{
+    /**
+     * Interchange object this schema is wrapping.
+     */
+    protected $interchange;
+    
+    /** @param Object to decorate */
+    public function __construct($i = null) {
+        $this->decorate($i);
+    }
+    
+    /** Wrap this decorator around an object. */
+    public function decorate($i) {
+        $this->interchange =  $i;
+    }
+    
+    public function getNamespaces() {
+        return $this->interchange->getNamespaces();
+    }
+    
+    public function getDirectives() {
+        return $this->interchange->getDirectives();
+    }
+    
+    public function getTypes() {
+        return $this->interchange->getTypes();
+    }
+    
+    public function addNamespace($arr) {
+        $this->interchange->addNamespace($arr);
+    }
+    
+    public function addDirective($arr) {
+        $this->interchange->addNamespace($arr);
+    }
+    
+}

library/HTMLPurifier/ConfigSchema/Interchange/Validator/IdExists.php

@@ -0,0 +1,20 @@
+<?php
+
+class HTMLPurifier_ConfigSchema_Interchange_Validator_IdExists extends HTMLPurifier_ConfigSchema_Interchange_Validator
+{
+    
+    public function addNamespace($arr) {
+        if (!isset($arr['ID'])) {
+            throw new HTMLPurifier_ConfigSchema_Exception('Namespace must have ID');
+        }
+        parent::addNamespace($arr);
+    }
+    
+    public function addDirective($arr) {
+        if (!isset($arr['ID'])) {
+            throw new HTMLPurifier_ConfigSchema_Exception('Directive must have ID');
+        }
+        parent::addDirective($arr);
+    }
+    
+}