1 files changed, 30 insertions, 0 deletions
diff --git a/dom/xslt/xslt/txPatternOptimizer.h b/dom/xslt/xslt/txPatternOptimizer.h
new file mode 100644
index 0000000000..8ba3ffa625
--- /dev/null
+++ b/dom/xslt/xslt/txPatternOptimizer.h
@@ -0,0 +1,30 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef txPatternOptimizer_h__
+#define txPatternOptimizer_h__
+
+#include "txXPathOptimizer.h"
+
+class txPattern;
+
+class txPatternOptimizer {
+ public:
+  /**
+   * Optimize the given pattern.
+   * @param aInPattern    Pattern to optimize.
+   * @param aOutPattern   Resulting pattern, null if optimization didn't
+   *                      result in a new pattern.
+   */
+  void optimize(txPattern* aInPattern, txPattern** aOutPattern);
+
+ private:
+  // Helper methods for optimizing specific classes
+  void optimizeStep(txPattern* aInPattern, txPattern** aOutPattern);
+
+  txXPathOptimizer mXPathOptimizer;
+};
+
+#endif  // txPatternOptimizer_h__