axmol/cocos/base/CCValue.h

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/****************************************************************************
Copyright (c) 2013-2014 Chukong Technologies
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http://www.cocos2d-x.org
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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
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#ifndef __cocos2d_libs__CCValue__
#define __cocos2d_libs__CCValue__
#include "platform/CCPlatformMacros.h"
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#include "base/ccMacros.h"
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#include <string>
#include <vector>
#include <unordered_map>
NS_CC_BEGIN
class Value;
typedef std::vector<Value> ValueVector;
typedef std::unordered_map<std::string, Value> ValueMap;
typedef std::unordered_map<int, Value> ValueMapIntKey;
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extern const ValueVector ValueVectorNull;
extern const ValueMap ValueMapNull;
extern const ValueMapIntKey ValueMapIntKeyNull;
class CC_DLL Value
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{
public:
static const Value Null;
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Value();
explicit Value(unsigned char v);
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);
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explicit Value(const ValueVector& v);
explicit Value(ValueVector&& v);
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explicit Value(const ValueMap& v);
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explicit Value(ValueMap&& v);
explicit Value(const ValueMapIntKey& v);
explicit Value(ValueMapIntKey&& v);
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Value(const Value& other);
Value(Value&& other);
~Value();
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// assignment operator
Value& operator= (const Value& other);
Value& operator= (Value&& other);
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Value& operator= (unsigned char v);
Value& operator= (int v);
Value& operator= (float v);
Value& operator= (double v);
Value& operator= (bool v);
Value& operator= (const char* v);
Value& operator= (const std::string& v);
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Value& operator= (const ValueVector& v);
Value& operator= (ValueVector&& v);
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Value& operator= (const ValueMap& v);
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Value& operator= (ValueMap&& v);
Value& operator= (const ValueMapIntKey& v);
Value& operator= (ValueMapIntKey&& v);
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// equal operator
bool operator!= (const Value& v);
bool operator!= (const Value& v) const;
bool operator== (const Value& v);
bool operator== (const Value& v) const;
unsigned char asByte() const;
int asInt() const;
float asFloat() const;
double asDouble() const;
bool asBool() const;
std::string asString() const;
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ValueVector& asValueVector();
const ValueVector& asValueVector() const;
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ValueMap& asValueMap();
const ValueMap& asValueMap() const;
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ValueMapIntKey& asIntKeyMap();
const ValueMapIntKey& asIntKeyMap() const;
inline bool isNull() const { return _type == Type::NONE; }
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enum class Type
{
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NONE = 0,
BYTE,
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INTEGER,
FLOAT,
DOUBLE,
BOOLEAN,
STRING,
VECTOR,
MAP,
INT_KEY_MAP
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};
inline Type getType() const { return _type; };
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std::string getDescription();
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private:
void clear();
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void reset(Type type);
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union
{
unsigned char byteVal;
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int intVal;
float floatVal;
double doubleVal;
bool boolVal;
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std::string* strVal;
ValueVector* vectorVal;
ValueMap* mapVal;
ValueMapIntKey* intKeyMapVal;
}_field;
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Type _type;
};
NS_CC_END
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#endif /* defined(__cocos2d_libs__CCValue__) */