diff --git a/extras/ConfigSchema/StringHashAdapter.php b/extras/ConfigSchema/StringHashAdapter.php
new file mode 100644
index 00000000..d1098f30
--- /dev/null
+++ b/extras/ConfigSchema/StringHashAdapter.php
@@ -0,0 +1,22 @@
+<?php
+
+/**
+ * Takes an array of keys to strings, probably generated by
+ * ConfigSchema_StringHashParser
+ */
+class ConfigSchema_StringHashAdapter
+{
+    
+    /**
+     * Takes a string hash and calls the appropriate functions in $schema
+     * based on its values.
+     */
+    public function adapt($hash, $schema) {
+        list($ns, $directive) = explode('.', $hash['ID'], 2);
+        $default      = eval("return {$hash['DEFAULT']};");
+        $type         = $hash['TYPE'];
+        $description  = $hash['DESCRIPTION'];
+        $schema->add($ns, $directive, $default, $type, $description);
+    }
+    
+}
diff --git a/tests/ConfigSchema/StringHashAdapterTest.php b/tests/ConfigSchema/StringHashAdapterTest.php
new file mode 100644
index 00000000..087d6099
--- /dev/null
+++ b/tests/ConfigSchema/StringHashAdapterTest.php
@@ -0,0 +1,35 @@
+<?php
+
+class ConfigSchema_StringHashAdapterTest extends UnitTestCase
+{
+    function __construct() {
+        generate_mock_once('HTMLPurifier_ConfigSchema');
+        parent::UnitTestCase();
+    }
+    
+    function assertAdapt($input, $calls) {
+        $schema = new HTMLPurifier_ConfigSchemaMock();
+        foreach ($calls as $func => $params) {
+            $schema->expectOnce($func, $params);
+        }
+        $adapter = new ConfigSchema_StringHashAdapter();
+        $adapter->adapt($input, $schema);
+    }
+    
+    function testBasic() {
+        $this->assertAdapt(
+            array(
+                'ID' => 'Namespace.Directive',
+                'DEFAULT' => "'default' . 'bar'",
+                'TYPE' => 'string',
+                'DESCRIPTION' => "Description of default.\n",
+            ),
+            array(
+                'add' => array(
+                    'Namespace', 'Directive', 'defaultbar', 'string',
+                    "Description of default.\n"
+                )
+            )
+        );
+    }
+}
diff --git a/tests/test_files.php b/tests/test_files.php
index dec38e1b..73527851 100644
--- a/tests/test_files.php
+++ b/tests/test_files.php
@@ -136,4 +136,5 @@ $test_files[] = 'FSTools/FileTest.php';
 
 // ConfigSchema auxiliary library
 
+$test_files[] = 'ConfigSchema/StringHashAdapterTest.php';
 $test_files[] = 'ConfigSchema/StringHashParserTest.php';