Initial commit for extra class hierarchies FSTools and ConfigSchema.

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1518 48356398-32a2-884e-a903-53898d9a118a

extras/HTMLPurifierExtras.php

@@ -0,0 +1,26 @@
+<?php
+
+/**
+ * Meta-class for HTML Purifier's extra class hierarchies, similar to
+ * HTMLPurifier_Bootstrap.
+ */
+class HTMLPurifierExtras
+{
+    
+    public static function autoload($class) {
+        $path = HTMLPurifierExtras::getPath($class);
+        if (!$path) return false;
+        require $path;
+    }
+    
+    public static function getPath($class) {
+        if (
+            strncmp('FSTools', $class, 7) !== 0 &&
+            strncmp('ConfigSchema', $class, 12) !== 0
+        ) return false;
+        // Custom implementations can go here
+        // Standard implementation:
+        return str_replace('_', '/', $class) . '.php';
+    }
+    
+}