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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 "Forward.h" |
9 //#include "String16.h" | |
10 | 9 |
11 namespace blink { | 10 {% for namespace in config.protocol.namespace %} |
12 namespace protocol { | 11 namespace {{namespace}} { |
| 12 {% endfor %} |
13 | 13 |
14 template<typename T> | 14 template<typename T> |
15 class Maybe { | 15 class Maybe { |
16 public: | 16 public: |
17 Maybe() : m_value() { } | 17 Maybe() : m_value() { } |
18 Maybe(std::unique_ptr<T> value) : m_value(std::move(value)) { } | 18 Maybe(std::unique_ptr<T> value) : m_value(std::move(value)) { } |
19 void operator=(std::unique_ptr<T> value) { m_value = std::move(value); } | 19 void operator=(std::unique_ptr<T> value) { m_value = std::move(value); } |
20 T* fromJust() const { DCHECK(m_value); return m_value.get(); } | 20 T* fromJust() const { DCHECK(m_value); return m_value.get(); } |
21 T* fromMaybe(T* defaultValue) const { return m_value ? m_value.get() : defau
ltValue; } | 21 T* fromMaybe(T* defaultValue) const { return m_value ? m_value.get() : defau
ltValue; } |
22 bool isJust() const { return !!m_value; } | 22 bool isJust() const { return !!m_value; } |
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59 | 59 |
60 template<> | 60 template<> |
61 class Maybe<double> : public MaybeBase<double> { | 61 class Maybe<double> : public MaybeBase<double> { |
62 public: | 62 public: |
63 Maybe() { } | 63 Maybe() { } |
64 Maybe(double value) : MaybeBase(value) { } | 64 Maybe(double value) : MaybeBase(value) { } |
65 using MaybeBase::operator=; | 65 using MaybeBase::operator=; |
66 }; | 66 }; |
67 | 67 |
68 template<> | 68 template<> |
69 class Maybe<InspectorProtocolConvenienceStringType> : public MaybeBase<Inspector
ProtocolConvenienceStringType> { | 69 class Maybe<String> : public MaybeBase<String> { |
70 public: | 70 public: |
71 Maybe() { } | 71 Maybe() { } |
72 Maybe(const InspectorProtocolConvenienceStringType& value) : MaybeBase(value
) { } | 72 Maybe(const String& value) : MaybeBase(value) { } |
73 using MaybeBase::operator=; | 73 using MaybeBase::operator=; |
74 }; | 74 }; |
75 | 75 |
76 template<> | 76 {% for namespace in config.protocol.namespace %} |
77 class Maybe<String16> : public MaybeBase<String16> { | 77 } // namespace {{namespace}} |
78 public: | 78 {% endfor %} |
79 Maybe() { } | |
80 Maybe(const String16& value) : MaybeBase(value) { } | |
81 using MaybeBase::operator=; | |
82 }; | |
83 | 79 |
84 } // namespace platform | 80 #endif // !defined({{"_".join(config.protocol.namespace)}}_Maybe_h) |
85 } // namespace blink | |
86 | |
87 #endif // !defined(Maybe_h) | |
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