Index: src/pipe/SkRefSet.h |
diff --git a/src/pipe/SkRefSet.h b/src/pipe/SkRefSet.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..5f23ba2191b36afac855da95324436d1e0074a80 |
--- /dev/null |
+++ b/src/pipe/SkRefSet.h |
@@ -0,0 +1,40 @@ |
+/* |
+ * Copyright 2016 Google Inc. |
+ * |
+ * Use of this source code is governed by a BSD-style license that can be |
+ * found in the LICENSE file. |
+ */ |
+ |
+#ifndef SkRefSet_DEFINED |
+#define SkRefSet_DEFINED |
+ |
+#include "SkRefCnt.h" |
+#include "SkTDArray.h" |
+ |
+template <typename T> class SkRefSet { |
+public: |
+ ~SkRefSet() { fArray.unrefAll(); } |
+ |
+ T* get(int index) const { |
+ SkASSERT((unsigned)index < (unsigned)fArray.count()); |
+ return fArray[index]; |
+ } |
+ |
+ bool set(int index, T* value) { |
+ if ((unsigned)index < (unsigned)fArray.count()) { |
+ SkRefCnt_SafeAssign(fArray[index], value); |
+ return true; |
+ } |
+ if (fArray.count() == index && value) { |
+ *fArray.append() = SkRef(value); |
+ return true; |
+ } |
+ SkDebugf("SkRefSet: index [%d] out of range %d\n", index, fArray.count()); |
+ return false; |
+ } |
+ |
+private: |
+ SkTDArray<T*> fArray; |
+}; |
+ |
+#endif |