reed | 54dc487 | 2016-09-13 08:09:45 -0700 | [diff] [blame] | 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: |
| 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 | |
| 36 | private: |
| 37 | SkTDArray<T*> fArray; |
| 38 | }; |
| 39 | |
| 40 | #endif |