displayer.h

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/* Copyright, 2000 Nevrax Ltd.
 *
 * This file is part of NEVRAX NEL.
 * NEVRAX NEL 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, or (at your option)
 * any later version.

 * NEVRAX NEL 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 NEVRAX NEL; see the file COPYING. If not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
 * MA 02111-1307, USA.
 */

#ifndef NL_DISPLAYER_H
#define NL_DISPLAYER_H

#include "types_nl.h"

#include <string>

#include "log.h"

namespace NLMISC
{


class CMutex;


class IDisplayer
{
public:

    IDisplayer(const char *displayerName = "");

    virtual ~IDisplayer();

    void display( const CLog::TDisplayInfo& args, const char *message );

    std::string DisplayerName;

protected:

    virtual void doDisplay( const CLog::TDisplayInfo& args, const char *message) = 0;


    // Return the header string with date (for the first line of the log)
    static const char *HeaderString ();

public:

    static const char *logTypeToString (CLog::TLogType logType, bool longFormat = false);

    static const char *dateToHumanString ();

    static const char *dateToHumanString (time_t date);

    static const char *dateToComputerString (time_t date);

private:

    CMutex  *_Mutex;
};



class CStdDisplayer : virtual public IDisplayer
{
public:
    CStdDisplayer (const char *displayerName = "") : IDisplayer (displayerName) {}

protected:

    virtual void doDisplay ( const CLog::TDisplayInfo& args, const char *message );

};


class CFileDisplayer : virtual public IDisplayer
{
public:

    CFileDisplayer (const std::string &filename, bool eraseLastLog = false, const char *displayerName = "", bool raw = false);

    CFileDisplayer ();

    ~CFileDisplayer ();

    void setParam (const std::string &filename, bool eraseLastLog = false);

protected:
    virtual void doDisplay ( const CLog::TDisplayInfo& args, const char *message );

private:
    std::string _FileName;

    FILE        *_FilePointer;

    bool        _NeedHeader;

    uint        _LastLogSizeChecked;

    bool        _Raw;
};

class CMsgBoxDisplayer : virtual public IDisplayer
{
public:
    CMsgBoxDisplayer (const char *displayerName = "") : IDisplayer (displayerName), IgnoreNextTime(false) {}

    bool IgnoreNextTime;

protected:
    virtual void doDisplay ( const CLog::TDisplayInfo& args, const char *message );
};


};

#endif // NL_DISPLAYER_H

/* End of displayer.h */