FryingPan/DTLib/WriterHook.h

   1 /*
   2  * FryingPan - Amiga CD/DVD Recording Software (User Interface and supporting Libraries only)
   3  * Copyright (C) 2001-2011 Tomasz Wiszkowski Tomasz.Wiszkowski at gmail.com
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public License
   7  * as published by the Free Software Foundation; either version 2.1
   8  * of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18  */
  19
  20 #ifndef _WRITERHOOK_H_
  21 #define _WRITERHOOK_H_
  22
  23 #include <Generic/HookT.h>
  24 #include <Generic/DynList.h>
  25 #include "IFileWriter.h"
  26 #include "IRegHook.h"
  27
  28 template<class T, signed char pri>
  29 class WriterHook : public IRegHook
  30 {
  31    const char *className;
  32 public:
  33                            WriterHook()
  34    {
  35       className = T::static_getName();
  36    }
  37
  38    virtual                ~WriterHook()
  39    {
  40    }
  41
  42    virtual const char     *getName()
  43    {
  44       return className;
  45    }
  46
  47    virtual bool            isReader()
  48    {
  49       return false;
  50    }
  51
  52    virtual bool            isWriter()
  53    {
  54       return true;
  55    }
  56
  57    virtual signed char     getPriority()
  58    {
  59       return pri;
  60    }
  61
  62    virtual bool            checkFile(const char* sName, EDtError &rc)
  63    {
  64       return false;
  65    }
  66
  67    virtual IFileWriter    *openWrite(const char* sName, const IOptItem* item, EDtError &rc)
  68    {
  69        IFileWriter *w = T::openWrite(sName, item, rc);
  70        if (rc != DT_OK)
  71        {
  72           w->dispose();
  73           w = 0;
  74        }
  75        return w;
  76    }
  77
  78    virtual IFileReader    *openRead(const char* sName, EDtError &rc)
  79    {
  80       return 0;
  81    }
  82
  83    virtual bool            isAudio()
  84    {
  85       return T::static_isAudio();
  86    }
  87
  88    virtual bool            isData()
  89    {
  90       return T::static_isData();
  91    }
  92
  93    virtual bool            isSession()
  94    {
  95       return T::static_isSession();
  96    }
  97 };
  98
  99 #endif
 100