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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef Maybe_h | 5 #ifndef {{"_".join(config.protocol.namespace)}}_Maybe_h |
| 6 #define Maybe_h | 6 #define {{"_".join(config.protocol.namespace)}}_Maybe_h |
| 7 | 7 |
| 8 //#include "Platform.h" | 8 //#include "Platform.h" |
| 9 //#include "String16.h" | 9 //#include "String.h" |
| 10 | 10 |
| 11 namespace blink { | 11 {% for namespace in config.protocol.namespace %} |
| 12 namespace protocol { | 12 namespace {{namespace}} { |
| 13 {% endfor %} |
| 13 | 14 |
| 14 template<typename T> | 15 template<typename T> |
| 15 class Maybe { | 16 class Maybe { |
| 16 public: | 17 public: |
| 17 Maybe() : m_value() { } | 18 Maybe() : m_value() { } |
| 18 Maybe(std::unique_ptr<T> value) : m_value(std::move(value)) { } | 19 Maybe(std::unique_ptr<T> value) : m_value(std::move(value)) { } |
| 19 void operator=(std::unique_ptr<T> value) { m_value = std::move(value); } | 20 void operator=(std::unique_ptr<T> value) { m_value = std::move(value); } |
| 20 T* fromJust() const { DCHECK(m_value); return m_value.get(); } | 21 T* fromJust() const { DCHECK(m_value); return m_value.get(); } |
| 21 T* fromMaybe(T* defaultValue) const { return m_value ? m_value.get() : defau
ltValue; } | 22 T* fromMaybe(T* defaultValue) const { return m_value ? m_value.get() : defau
ltValue; } |
| 22 bool isJust() const { return !!m_value; } | 23 bool isJust() const { return !!m_value; } |
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| 59 | 60 |
| 60 template<> | 61 template<> |
| 61 class Maybe<double> : public MaybeBase<double> { | 62 class Maybe<double> : public MaybeBase<double> { |
| 62 public: | 63 public: |
| 63 Maybe() { } | 64 Maybe() { } |
| 64 Maybe(double value) : MaybeBase(value) { } | 65 Maybe(double value) : MaybeBase(value) { } |
| 65 using MaybeBase::operator=; | 66 using MaybeBase::operator=; |
| 66 }; | 67 }; |
| 67 | 68 |
| 68 template<> | 69 template<> |
| 69 class Maybe<InspectorProtocolConvenienceStringType> : public MaybeBase<Inspector
ProtocolConvenienceStringType> { | 70 class Maybe<String> : public MaybeBase<String> { |
| 70 public: | 71 public: |
| 71 Maybe() { } | 72 Maybe() { } |
| 72 Maybe(const InspectorProtocolConvenienceStringType& value) : MaybeBase(value
) { } | 73 Maybe(const String& value) : MaybeBase(value) { } |
| 73 using MaybeBase::operator=; | 74 using MaybeBase::operator=; |
| 74 }; | 75 }; |
| 75 | 76 |
| 76 template<> | 77 {% for namespace in config.protocol.namespace %} |
| 77 class Maybe<String16> : public MaybeBase<String16> { | 78 } // namespace {{namespace}} |
| 78 public: | 79 {% endfor %} |
| 79 Maybe() { } | |
| 80 Maybe(const String16& value) : MaybeBase(value) { } | |
| 81 using MaybeBase::operator=; | |
| 82 }; | |
| 83 | 80 |
| 84 } // namespace platform | 81 #endif // !defined({{"_".join(config.protocol.namespace)}}_Maybe_h) |
| 85 } // namespace blink | |
| 86 | |
| 87 #endif // !defined(Maybe_h) | |
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