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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 // This file specifies a recursive data storage class called Value intended for | 5 // This file specifies a recursive data storage class called Value intended for |
6 // storing settings and other persistable data. | 6 // storing settings and other persistable data. |
7 // | 7 // |
8 // A Value represents something that can be stored in JSON or passed to/from | 8 // A Value represents something that can be stored in JSON or passed to/from |
9 // JavaScript. As such, it is NOT a generalized variant type, since only the | 9 // JavaScript. As such, it is NOT a generalized variant type, since only the |
10 // types supported by JavaScript/JSON are supported. | 10 // types supported by JavaScript/JSON are supported. |
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67 | 67 |
68 // For situations where you want to keep ownership of your buffer, this | 68 // For situations where you want to keep ownership of your buffer, this |
69 // factory method creates a new BinaryValue by copying the contents of the | 69 // factory method creates a new BinaryValue by copying the contents of the |
70 // buffer that's passed in. | 70 // buffer that's passed in. |
71 // DEPRECATED, use MakeUnique<Value>(const std::vector<char>&) instead. | 71 // DEPRECATED, use MakeUnique<Value>(const std::vector<char>&) instead. |
72 // TODO(crbug.com/646113): Delete this and migrate callsites. | 72 // TODO(crbug.com/646113): Delete this and migrate callsites. |
73 static std::unique_ptr<BinaryValue> CreateWithCopiedBuffer(const char* buffer, | 73 static std::unique_ptr<BinaryValue> CreateWithCopiedBuffer(const char* buffer, |
74 size_t size); | 74 size_t size); |
75 | 75 |
76 Value(const Value& that); | 76 Value(const Value& that); |
77 Value(Value&& that); | 77 Value(Value&& that) noexcept; |
78 Value(); // A null value. | 78 Value(); // A null value. |
79 explicit Value(Type type); | 79 explicit Value(Type type); |
80 explicit Value(bool in_bool); | 80 explicit Value(bool in_bool); |
81 explicit Value(int in_int); | 81 explicit Value(int in_int); |
82 explicit Value(double in_double); | 82 explicit Value(double in_double); |
83 | 83 |
84 // Value(const char*) and Value(const char16*) are required despite | 84 // Value(const char*) and Value(const char16*) are required despite |
85 // Value(const std::string&) and Value(const string16&) because otherwise the | 85 // Value(const std::string&) and Value(const string16&) because otherwise the |
86 // compiler will choose the Value(bool) constructor for these arguments. | 86 // compiler will choose the Value(bool) constructor for these arguments. |
87 // Value(std::string&&) allow for efficient move construction. | 87 // Value(std::string&&) allow for efficient move construction. |
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513 return out << static_cast<const Value&>(value); | 513 return out << static_cast<const Value&>(value); |
514 } | 514 } |
515 | 515 |
516 // Stream operator so that enum class Types can be used in log statements. | 516 // Stream operator so that enum class Types can be used in log statements. |
517 BASE_EXPORT std::ostream& operator<<(std::ostream& out, | 517 BASE_EXPORT std::ostream& operator<<(std::ostream& out, |
518 const Value::Type& type); | 518 const Value::Type& type); |
519 | 519 |
520 } // namespace base | 520 } // namespace base |
521 | 521 |
522 #endif // BASE_VALUES_H_ | 522 #endif // BASE_VALUES_H_ |
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