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 3 // found in the LICENSE file. 4 5 #ifndef VALUES_H_ 6 #define VALUES_H_ 7 8 #include <vector> 9 10 #include "base/strings/string16.h" 11 #include "base/strings/string_piece.h" 12 13 namespace base { 14 15 class Value {}; 16 17 // FundamentalValue represents the simple fundamental types of values. 18 class FundamentalValue : public Value { 19 public: 20 explicit FundamentalValue(bool in_value); 21 explicit FundamentalValue(int in_value); 22 explicit FundamentalValue(double in_value); 23 }; 24 25 class StringValue : public Value { 26 public: 27 // Initializes a StringValue with a UTF-8 narrow character string. 28 explicit StringValue(StringPiece in_value); 29 30 // Initializes a StringValue with a string16. 31 explicit StringValue(const string16& in_value); 32 }; 33 34 // Stub base::ListValue class that supports Append(Value*). 35 class ListValue : public Value { 36 public: 37 ListValue(); 38 39 // Appends a Value to the end of the list. 40 void Append(std::unique_ptr<Value> in_value); 41 42 // Deprecated version of the above. 43 void Append(Value* in_value); 44 45 // Convenience forms of Append. 46 void AppendBoolean(bool in_value); 47 void AppendInteger(int in_value); 48 void AppendDouble(double in_value); 49 void AppendString(StringPiece in_value); 50 void AppendString(const string16& in_value); 51 void AppendStrings(const std::vector<std::string>& in_values); 52 void AppendStrings(const std::vector<string16>& in_values); 53 }; 54 55 } // namespace base 56 57 #endif // VALUES_H_
