lgrFileFormatProvider.h

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/******************************************************************************
** Copyright (c) 1992-2010 VT MAK
** All rights reserved.
******************************************************************************/


#ifndef lgrFileFormatProvider_H_
#define lgrFileFormatProvider_H_

#include "lgrCore.h"
#include "lgrGenericFileFormats.h"
#include <map>

namespace MAKLogger
{
   class DtLoggerFile;
   class DtLgrFileFormatter;

   typedef DtLgrFileFormatter* (*FormatCreator)(DtLoggerFile* file);

   class DT_DLL_LGRCORE DtLgrFileFormatProvider
   {
   public:

      static DtLgrFileFormatProvider& globalInstance();

   protected:
      DtLgrFileFormatProvider();

   public:
      ~DtLgrFileFormatProvider();

      int latestVersion() const;

      DtLgrFileFormatter* createFormatter(DtLoggerFile*) const;

      void registerFormat(int fileVersion, FormatCreator function);

      void useGenericFormat(bool use, int fileVersion = 0);

      void setLatestFileFormat(int fileVersion);

   protected:
      static DtLgrFileFormatProvider theGlobalInstance;

      typedef std::map<int,FormatCreator> FormatterCreatorMap;

      FormatterCreatorMap myCreatorMap;

      bool myUseGenericFormatCreator;

      int myLoggerFileVersion;

      int myLatestFileFormat;
   };
   static FormatCreator genericFormatCreator = &DtLgrGenericFileFormats::createGenericFileFormat;
}

#endif