axmol/cocos/base/CCValue.h

/****************************************************************************
 Copyright (c) 2013 cocos2d-x.org
 
 http://www.cocos2d-x.org
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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 furnished to do so, subject to the following conditions:
 
 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.
 
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 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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 ****************************************************************************/

#ifndef __cocos2d_libs__CCValue__
#define __cocos2d_libs__CCValue__

#include "CCPlatformMacros.h"
#include "ccMacros.h"
#include <string>
#include <vector>
#include <unordered_map>

NS_CC_BEGIN

class Value;

typedef std::vector<Value> ValueArray;
typedef std::unordered_map<std::string, Value> ValueDict;
typedef std::unordered_map<int, Value> IntValueDict;

class Value
{
public:
    Value();
    explicit Value(int v);
    explicit Value(float v);
    explicit Value(double v);
    explicit Value(bool v);
    explicit Value(const char* v);
    explicit Value(const std::string& v);
    explicit Value(const ValueArray& v);
    explicit Value(const ValueDict& v);
	explicit Value(ValueDict&& v);
    explicit Value(const IntValueDict& v);
    Value(const Value& other);
    Value(Value&& other);
    ~Value();
    
    Value& operator= (const Value& other);
    Value& operator= (Value&& other);
    
    int asInt() const;
    float asFloat() const;
    double asDouble() const;
    bool asBool() const;
    std::string asString() const;
    
    inline ValueArray& asArray() { return *_arrData; }
    inline const ValueArray& asArray() const { return *_arrData; }
    
    inline ValueDict& asDict() { return *_dictData; }
    inline const ValueDict& asDict() const { return *_dictData; }
    
    inline IntValueDict& asIntKeyDict() { return *_intKeyDictData; }
    inline const IntValueDict& asIntKeyDict() const { return *_intKeyDictData; }

    inline bool isNull() const { return _type == Type::NONE; }
    
    enum class Type
    {
        NONE,
        INTEGER,
        FLOAT,
        DOUBLE,
        BOOLEAN,
        STRING,
        ARRAY,
        DICTIONARY,
        INT_KEY_DICT
    };

    inline Type getType() const { return _type; };
    
private:
    union
    {
        int intVal;
        float floatVal;
        double doubleVal;
        bool boolVal;
    }_baseData;
    
    std::string _strData;
    ValueArray* _arrData;
    ValueDict* _dictData;
    IntValueDict* _intKeyDictData;

    Type _type;
};

NS_CC_END


#endif /* defined(__cocos2d_libs__CCValue__) */