txPatternOptimizer.h

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/* -*- 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__