/****************************************************************************
 *
 *  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 _PARSER_H
#define _PARSER_H

#include "types.h"
#include "str.h"

class CToken
{
public:
    enum TokType {
        TOK_NONE,
        TOK_STRING,
        TOK_EOL,
        TOK_EOF
    };

    CToken( void ) : type(TOK_NONE) {}
    TokType type;
    CString val;
};

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

protected:
    CParser( void );
    virtual ~CParser( void );
};

class CConfigParser : public CParser
{
private: // Unimplemented
    CConfigParser( const CConfigParser& );
    CConfigParser& operator=( const CConfigParser& );

public:
    CConfigParser( void );
    CConfigParser( const CString& strFile );
    virtual ~CConfigParser( void );

    void Open( const CString& strFile );
    void Close( void );
    CToken NextToken( void );
    void   NextLine( void );

protected:
    size_t  m_pos;
    CBuffer m_buf;
};

#endif //ndef _PARSER_H