simpleprocessorcommand.h

Linux下比较早的基于命令行的DVD播放器

//
// Copyright (c) 2003 by Istv醤 V醨adi
//
// This file is part of dxr3Player, a DVD player written specifically 
// for the DXR3 (aka Hollywood+) decoder card.

// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

#ifndef DXR3PLAYER_DVD_VM_SIMPLEPROCESSORCOMMAND_H
#define DXR3PLAYER_DVD_VM_SIMPLEPROCESSORCOMMAND_H
//------------------------------------------------------------------------------

#include "dvd/vm/ProcessorCommand.h"

//------------------------------------------------------------------------------

namespace dvd { namespace vm {

//------------------------------------------------------------------------------

/**
 * Processor command without any parameters.
 */
class SimpleProcessorCommand : public ProcessorCommand
{
public:
    /**
     * The type for processor commands.
     */
    typedef enum command_t {
        /// Reset and start the first play PGC
        RESET,

        /// Go to the next cell
        NEXT_CELL,

        /// Go to the previous cell
        PREVIOUS_CELL,

        /// Just set the state
        SET_STATE
    };

private:
    /**
     * The command.
     */
    command_t command;

public:
    /**
     * Construct the simple processor command.
     */
    SimpleProcessorCommand(command_t command,
                           const State& state);

    /**
     * @see ProcessorCommand::update
     */
    virtual void update(Processor& processor);
};

//------------------------------------------------------------------------------
// Inline definitions
//------------------------------------------------------------------------------

inline 
SimpleProcessorCommand::SimpleProcessorCommand(command_t command,
                                               const State& state) :
    ProcessorCommand(state),
    command(command)
{
}

//------------------------------------------------------------------------------

} /* namespace dvd::vm */ } /* namespace dvd */

//------------------------------------------------------------------------------
#endif // DXR3PLAYER_DVD_VM_SIMPLEPROCESSORCOMMAND_H

// Local variables:
// mode: c++
// End: