Finish documentation for all base classes.

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@306 48356398-32a2-884e-a903-53898d9a118a

library/HTMLPurifier/URIScheme.php

@@ -1,10 +1,29 @@
 <?php
 
+/**
+ * Validator for the components of a URI for a specific scheme
+ */
 class HTMLPurifier_URIScheme
 {
     
+    /**
+     * Scheme's default port (integer)
+     * @public
+     */
     var $default_port = null;
     
+    /**
+     * Validates the components of a URI
+     * @note This implementation should be called by children if they define
+     *       a default port, as it does port processing.
+     * @note Fragment is omitted as that is scheme independent
+     * @param $userinfo User info found before at sign in authority
+     * @param $host Hostname in authority
+     * @param $port Port found after colon in authority
+     * @param $path Path of URI
+     * @param $query Query of URI, found after question mark
+     * @param $config HTMLPurifier_Config object
+     */
     function validateComponents(
         $userinfo, $host, $port, $path, $query, $config
     ) {