/****************************************************************************
 *
 *  Copyright (C) 2000-2001 RealNetworks, Inc. All rights reserved.
 *
 *  This program is free software.  It may be distributed under the terms
 *  in the file LICENSE, found in the top level of the source distribution.
 *
 */

#ifndef _VARIANT_H
#define _VARIANT_H

#include "types.h"
#include "tlist.h"

class CVariant
{
public:
    enum Type { VT_NONE, VT_BOOL, VT_INT32, VT_UINT32, VT_FLOAT, VT_STRING };

public:
    CVariant( void );
    CVariant( Type t );
    CVariant( const CVariant& other );
    ~CVariant( void );

    CVariant& operator=( const CVariant& other );

    void    Destroy( void );
    Type    GetType( void );
    void    SetType( Type t );

    bool    GetBool( void ) const;
    void    SetBool( bool b );
    INT32   GetInt( void ) const;
    void    SetInt( INT32 i );
    UINT32  GetUint( void ) const;
    void    SetUint( UINT32 u );
    float   GetFloat( void ) const;
    void    SetFloat( float f );
    CPCHAR  GetString( void ) const;
    void    SetString( CPCHAR s );

    bool operator==( const CVariant& other ) const;
    bool operator!=( const CVariant& other ) const;
    bool operator<=( const CVariant& other ) const;
    bool operator>=( const CVariant& other ) const;
    bool operator<( const CVariant& other ) const;
    bool operator>( const CVariant& other ) const;

protected:
    Type m_type;
    union
    {
        bool    bval;
        INT32   ival;
        UINT32  uval;
        float   fval;
        PCHAR   sval;
    } m_val;
};
typedef TDoubleList<CVariant> CVariantList;

#endif //ndef _VARIANT_H