1/* 2 * Copyright 2016 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8#ifndef SkRefSet_DEFINED 9#define SkRefSet_DEFINED 10 11#include "SkRefCnt.h" 12#include "SkTDArray.h" 13 14template <typename T> class SkRefSet { 15public: 16 ~SkRefSet() { fArray.unrefAll(); } 17 18 T* get(int index) const { 19 SkASSERT((unsigned)index < (unsigned)fArray.count()); 20 return fArray[index]; 21 } 22 23 bool set(int index, T* value) { 24 if ((unsigned)index < (unsigned)fArray.count()) { 25 SkRefCnt_SafeAssign(fArray[index], value); 26 return true; 27 } 28 if (fArray.count() == index && value) { 29 *fArray.append() = SkRef(value); 30 return true; 31 } 32 SkDebugf("SkRefSet: index [%d] out of range %d\n", index, fArray.count()); 33 return false; 34 } 35 36private: 37 SkTDArray<T*> fArray; 38}; 39 40#endif 41