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 14 template <typename T> class SkRefSet { 15 public: ~SkRefSet()16 ~SkRefSet() { fArray.unrefAll(); } 17 get(int index)18 T* get(int index) const { 19 SkASSERT((unsigned)index < (unsigned)fArray.count()); 20 return fArray[index]; 21 } 22 set(int index,T * value)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 36 private: 37 SkTDArray<T*> fArray; 38 }; 39 40 #endif 41