Index: ppapi/cpp/dev/may_own_ptr_dev.h |
diff --git a/ppapi/cpp/dev/may_own_ptr_dev.h b/ppapi/cpp/dev/may_own_ptr_dev.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..d67d72fa9dd3a6d35c205c717f001584ee032ba3 |
--- /dev/null |
+++ b/ppapi/cpp/dev/may_own_ptr_dev.h |
@@ -0,0 +1,78 @@ |
+// Copyright (c) 2013 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef PPAPI_CPP_DEV_MAY_OWN_PTR_DEV_H_ |
+#define PPAPI_CPP_DEV_MAY_OWN_PTR_DEV_H_ |
+ |
+#include "ppapi/cpp/logging.h" |
+ |
+namespace pp { |
+ |
+enum NotOwned { |
+ NOT_OWNED |
+}; |
+ |
+namespace internal { |
+ |
+template <class T> |
+class MayOwnPtr { |
+ public: |
+ MayOwnPtr(T* value, NotOwned) : value_(value), owned_(false) { |
+ } |
+ |
+ MayOwnPtr() : value_(new T()), owned_(true) { |
+ } |
+ |
+ explicit MayOwnPtr(const T& other) : value_(new T(other)), |
+ owned_(true) { |
+ } |
+ |
+ MayOwnPtr(const MayOwnPtr& other) : value_(new T(*other.value_)), |
+ owned_(true) { |
+ } |
+ |
+ ~MayOwnPtr() { |
+ if (owned_) |
+ delete value_; |
+ } |
+ |
+ MayOwnPtr& operator=(const MayOwnPtr& other) { |
+ if (this == &other) |
+ return *this; |
+ |
+ value_ = new T(*other.value_); |
+ owned_ = true; |
+ |
+ return *this; |
+ } |
+ |
+ const T* get() const { |
+ return value_; |
+ } |
+ |
+ T* get() { |
+ return value_; |
+ } |
+ |
+ T& operator*() const { |
+ return *value_; |
+ } |
+ |
+ T* operator->() const { |
+ return value_; |
+ } |
+ |
+ bool owned() const { |
+ return owned_; |
+ } |
+ |
+ private: |
+ T* value_; |
+ bool owned_; |
+}; |
+ |
+} // namespace internal |
+} // namespace pp |
+ |
+#endif // PPAPI_CPP_DEV_MAY_OWN_PTR_DEV_H_ |