1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef COURGETTE_ADJUSTMENT_METHOD_H_ 6 #define COURGETTE_ADJUSTMENT_METHOD_H_ 7 8 #include "base/basictypes.h" 9 10 namespace courgette { 11 12 class AssemblyProgram; 13 14 class AdjustmentMethod { 15 public: 16 // Factory methods for making adjusters. 17 18 // Returns the adjustment method used in production. 19 static AdjustmentMethod* MakeProductionAdjustmentMethod() { 20 return MakeShingleAdjustmentMethod(); 21 } 22 23 // Returns and adjustement method that makes no adjustments. 24 static AdjustmentMethod* MakeNullAdjustmentMethod(); 25 26 // Returns the original adjustment method. 27 static AdjustmentMethod* MakeTrieAdjustmentMethod(); 28 29 // Returns the new shingle tiling adjustment method. 30 static AdjustmentMethod* MakeShingleAdjustmentMethod(); 31 32 // AdjustmentMethod interface: 33 34 // Adjusts |program| to increase similarity to |model|. |program| can be 35 // changed in any way provided that it still produces the same output when 36 // assembled. 37 virtual bool Adjust(const AssemblyProgram& model, 38 AssemblyProgram* program) = 0; 39 40 // Deletes 'this' adjustment method. 41 virtual void Destroy(); 42 43 protected: 44 AdjustmentMethod() {} 45 virtual ~AdjustmentMethod() {} 46 47 DISALLOW_COPY_AND_ASSIGN(AdjustmentMethod); 48 }; 49 50 } // namespace courgette 51 #endif // COURGETTE_ADJUSTMENT_METHOD_H_ 52
