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aflibFile.h

Go to the documentation of this file.

/*
 * Copyright: (C) 1999-2001 Bruce W. Forsberg
 *
 *   This library is free software; you can redistribute it and/or
 *   modify it under the terms of the GNU Lesser General Public
 *   License as published by the Free Software Foundation; either
 *   version 2.1 of the License, or any later version.
 *
 *   This library 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
 *   Lesser General Public License for more details.
 *
 *   You should have received a copy of the GNU Lesser General Public
 *   License along with this library; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
 *
 *   Bruce Forsberg  forsberg@tns.net
 *
 */

#ifndef _AFLIBFILE_H
#define _AFLIBFILE_H

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "aflib.h"
#include "aflibConfig.h"

//#define TEST_OPTIONS
//#ifdef TEST_OPTIONS
//#include "aflibOptions.h"
//#endif

#include <string>
#include <list>
#include <map>
#if __GNUC__ >= 3
using std::string;
using std::list;
using std::map;
#endif


class aflibData;
class aflibFileItem;

class aflibFile {

public:

   virtual ~aflibFile();

   static void
   returnSupportedFormats(
      list <string>& formats,
      list <string>& descriptions);

   static aflibFile *
   open(
      aflibFileType type_enum,
      const string& file,
      aflibConfig* cfg = NULL,
      aflibStatus* status = NULL);

   static aflibFile *
   open(
      const string& format,
      const string& file,
      aflibConfig* cfg = NULL,
      aflibStatus* status = NULL);

   static aflibFile *
   create(
      aflibFileType type_enum,
      const string& file,
      const aflibConfig& cfg,
      aflibStatus* status = NULL);

   static aflibFile *
   create(
      const string& format,
      const string& file,
      const aflibConfig& cfg,
      aflibStatus* status = NULL);

   virtual aflibStatus
   afopen(
      const char * file,
      aflibConfig* cfg);

   virtual aflibStatus
   afcreate(
      const char * file,
      const aflibConfig& cfg);

   virtual aflibStatus
   afread(
      aflibData& data,
      long long position = -1);

   virtual aflibStatus
   afwrite(
      aflibData& data,
      long long position = -1);

   virtual bool
   setItem(
      const char * item,
      const void * value);

   virtual bool
   getItem(
      const char * item,
      void * value);

   const string&
   getFormat() const;

   virtual void
   setInputConfig(const aflibConfig& cfg);
 
   const aflibConfig&
   getInputConfig() const;
 
   void
   setOutputConfig(const aflibConfig& cfg);
 
   const aflibConfig&
   getOutputConfig() const;

   void
   setValue1(const string& value);

   void
   setValue2(const string& value);

   void
   setValue3(const string& value);

   virtual bool
   isDataSizeSupported(aflib_data_size size);
 
   virtual bool
   isEndianSupported(aflib_data_endian end);
 
   virtual bool
   isSampleRateSupported(int& rate);

   virtual bool
   isChannelsSupported(int& channels);

protected:

   aflibFile();

   long       _total_size;
   long       _one_second_size;
   long       _current_place_size;
   string     _value1;
   string     _value2;
   string     _value3;


private:

    //void (*_isChannelsSupported)(int&);
   aflibConfig _cfg_input;
   aflibConfig _cfg_output;
   void *     _lib1;
   aflibFile * _file_object;
   string     _format;
   static list<aflibFileItem *>  _support_list;
//#ifdef TEST_OPTIONS
//  static map< string,aflibOptions * >  _options_map;
//#endif
    
   static bool _list_created;


   aflibFile(const char * module_name);

   aflibFile(const aflibFile& file);

   const aflibFile&
   operator== (const aflibFile& file);

   static aflibFile *
   allocateModuleFile(
      aflibFileType type_enum,
      const char *  module_format);

   static const char *
   findModuleFile(const string& file_name);

   static void
   parseModuleFile();

   static char *
   stripStuff(char * ptr);

   bool
   initialized();

};

#endif

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