[3.1.0] Feature parity with configdoc rewrite

- Abolish most classes in ConfigDoc except for HTMLXSLTProcessor
- Implement Builder_Xml using XmlWriter
- Add some convenience functions

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1665 48356398-32a2-884e-a903-53898d9a118a

library/HTMLPurifier/ConfigSchema/Interchange.php

@@ -8,6 +8,11 @@
 class HTMLPurifier_ConfigSchema_Interchange
 {
     
+    /**
+     * Name of the application this schema is describing.
+     */
+    public $name;
+    
     /**
      * Array of Namespace ID => array(namespace info)
      */
@@ -38,4 +43,13 @@ class HTMLPurifier_ConfigSchema_Interchange
         $this->directives[$i] = $directive;
     }
     
+    /**
+     * Convenience function to perform standard validation. Throws exception
+     * on failed validation.
+     */
+    public function validate() {
+        $validator = new HTMLPurifier_ConfigSchema_Validator();
+        return $validator->validate($this);
+    }
+    
 }