/****************************************************************************
 *
 *  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 _VALMAP_H
#define _VALMAP_H

#include "types.h"
#include "str.h"
#include "variant.h"
#include "Avl.h"

class CKeyValPair
{
public:
    CKeyValPair( void );
    CKeyValPair( const CKeyValPair& other );
    CKeyValPair( const CString& strKey );
    CKeyValPair( const CString& strKey, const CVariant& varVal );
    ~CKeyValPair( void );

    CKeyValPair& operator=( const CKeyValPair& other );

    const CString&  GetKey( void );
    const CVariant& GetVal( void );
    void            SetVal( const CVariant& varVal );

    bool operator==( const CKeyValPair& other ) const;
    bool operator<( const CKeyValPair& other ) const;
    bool operator>( const CKeyValPair& other ) const;

protected:
    CString     m_strKey;
    CVariant    m_varVal;
};
typedef AvlTree<CKeyValPair> CKeyValPairTree;

class CValueMap
{
private: // Unimplemented
    CValueMap( const CValueMap& );
    CValueMap& operator=( const CValueMap& );

public:
    CValueMap( bool bCaseSensitive = false );
    ~CValueMap( void );

    bool        Lookup( const CString& strKey, CVariant* pvarVal ) const;
    CVariant    Lookup( const CString& strKey ) const;
    void        SetAt( const CString& strKey, const CVariant& varVal );

protected:
    bool            m_bCaseSensitive;
    CKeyValPairTree m_map;
};

#endif //ndef _VALMAP_H