devel/libmdw/trunk/libmdw/src/Tokeniser.h

/***************************************************************************
 *   Copyright (C) 2010 by Jean-Baptiste Wons   *
 *   wonsjb@gmail.com   *
 *                                                                         *
 *   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 MDWTOKENISER_H
#define MDWTOKENISER_H

#include "StreamServerApi.h"

namespace mdw
{
class TokeniserVisitor
{
public:
    virtual void visitTokens (std::vector<std::string> &token, StreamInfo &info) = 0;
    virtual void visitConnect (StreamInfo &info) = 0;
    virtual void visitDisconnect (StreamInfo &info) = 0;
};

class Tokeniser : public StreamSizeServerVisitor
{
public:
    Tokeniser (StreamSizeServer &server);

    void accept (TokeniserVisitor &visitor, int secondTimeOut, int microTimeOut);
    Stream &outStream(StreamInfo &info);

    virtual void visitRead (char * buffer, int size, int currentOffset,
                            int currentTotalSize, StreamInfo &info);
    virtual void visitConnect (StreamInfo &info);
    virtual void visitDisconnect (StreamInfo &info);

    ~Tokeniser();

private:

    typedef enum
    {
        InToken_e, OutToken_e
    } State_t;

    StreamSizeServer &_server;
    TokeniserVisitor *_currentVisitor;
};

}

#endif

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