/* vi: ts=8 sts=4 sw=4

    This file is part of the KDE project, module kdesu.
    SPDX-FileCopyrightText: 1999, 2000 Geert Jansen <jansen@kde.org>
*/

#ifndef __Lexer_h_included__
#define __Lexer_h_included__

#include <QByteArray>

/**
 * This is a lexer for the kdesud protocol.
 */

class Lexer
{
public:
    Lexer(const QByteArray &input);
    ~Lexer();

    Lexer(const Lexer &) = delete;
    Lexer &operator=(const Lexer &) = delete;

    /** Read next token. */
    int lex();

    /** Return the token's value. */
    QByteArray &lval();

    enum Tokens {
        Tok_none,
        Tok_exec = 256,
        Tok_pass,
        Tok_delCmd,
        Tok_ping,
        Tok_str,
        Tok_num,
        Tok_stop,
        Tok_set,
        Tok_get,
        Tok_delVar,
        Tok_delGroup,
        Tok_host,
        Tok_prio,
        Tok_sched,
        Tok_getKeys,
        Tok_chkGroup,
        Tok_delSpecialKey,
        Tok_exit,
    };

private:
    QByteArray m_Input;
    QByteArray m_Output;

    int in;
};

#endif