GUIValue.h

/*
* Copyright (C) TES Electronic Solutions GmbH,
* All Rights Reserved.
* Contact: info@guiliani.de
*
* This file is part of the Guiliani HMI framework
* for the development of graphical user interfaces on embedded systems.
*/
 
#ifndef GUI_VALUE__H_
#define GUI_VALUE__H_
 
#include "GUIStreamableObject.h"
#include "eC_Types.h"
#include "eC_String.h"
 
class CGUIValue : public CGUIStreamableObject
{
public:
    enum GUIValue_t
    {
        EC_INT,
        EC_FLOAT,
        EC_STRING,
        EC_HEX,
        EC_BOOL,
        EC_BYTE,
        EC_UBYTE,
        EC_CHAR,
        EC_WCHAR,
        EC_SHORT,
        EC_USHORT,
        EC_UINT,
        EC_VALUE,
        EC_FIXED,
        EC_POINTER
    };
 
public:
    CGUIValue();
 
    CGUIValue(const eC_Bool bValue);
 
    CGUIValue(const eC_Byte bValue);
 
    CGUIValue(const eC_UByte ubValue);
 
    CGUIValue(const eC_Char cValue);
 
    CGUIValue(const eC_UTF16 wcValue);
 
    CGUIValue(const eC_Short sValue);
 
    CGUIValue(const eC_Int iValue);
 
    CGUIValue(const eC_UInt uiValue);
    
#ifndef EC_INT_ALIASES_INT
    CGUIValue(const unsigned int uiValue);
#endif
 
#ifndef EC_INT_ALIASES_INT
    CGUIValue(const int uiValue);
#endif
 
    CGUIValue(const double dValue);
 
    CGUIValue(const eC_Char* pcStringValue);
 
    CGUIValue(const eC_String& StringValue, const GUIValue_t& eType = EC_STRING);
 
    CGUIValue(void* const PointerValue);
 
    inline GUIValue_t GetType() const {return m_eType;}
 
    eC_Bool ConvertTo(const GUIValue_t& eType);
 
    eC_Bool IsConvertibleTo(const GUIValue_t& eType) const;
 
    eC_Bool ToBool() const;
 
    eC_Byte ToByte() const;
 
    eC_UByte ToUByte() const;
 
    eC_Char ToChar() const;
 
    eC_UTF16 ToWChar() const;
 
    eC_Short ToShort() const;
 
    eC_UShort ToUShort() const;
 
    eC_Int ToInt() const;
 
    eC_UInt ToUInt() const;
 
    eC_Float ToFloat() const;
 
    eC_Value ToValue() const;
 
    eC_Fixed ToFix() const;
 
    eC_String ToString() const;
 
    void* ToPointer() const;
 
    CGUIValue& operator= (const CGUIValue& Value);
 
#ifdef GUILIANI_STREAM_GUI
    virtual void ReadFromStream();
#endif
 
#ifdef GUILIANI_WRITE_GUI
    virtual void WriteToStream(const eC_Bool bWriteClassID=false);
#endif
 
private:
 
    static const eC_String ms_FalseString;
    static const eC_String ms_TrueString;
 
    GUIValue_t  m_eType;
    eC_String   m_kStringValue;
    union BaseType_t
    {
        eC_Bool boolValue;
        eC_Byte byteValue;
        eC_UByte uByteValue;
        eC_Char cValue;
        eC_UTF16 wcValue;
        eC_Short sValue;
        eC_UShort usValue;
        eC_Int iValue;
        eC_UInt uiValue;
        eC_Float fValue;
        eC_Value vValue;
        eC_Fixed fixValue;
        void* pPtr;
    };
    BaseType_t m_BaseTypeValue;
};
 
bool operator== (const CGUIValue& Value1, const CGUIValue& Value2);
 
bool operator!= (const CGUIValue& Value1, const CGUIValue& Value2);
 
bool operator> (const CGUIValue& Value1, const CGUIValue& Value2);
 
bool operator< (const CGUIValue& Value1, const CGUIValue& Value2);
 
#endif // GUI_VALUE__H_