fileio.h

/***************************************************************************
                          fileio.h  -  description
                             -------------------
    begin                : Fri Apr 6 2001
    copyright            : (C) 2001 by Thies Jochimsen
    email                : jochimse@cns.mpg.de
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef FILEIO_H
#define FILEIO_H

//shortcut to check for type from string (templated function doesn work well with mingw - so we use macro)
#define IS_TYPE(type, name) (name==TypeTraits::type2label((type)0))

#include <odindata/data.h>
#include <odindata/fileio_opts.h>


#define AUTODETECTSTR "autodetect"
#define AUTOTDATAYPESTR "automatic"


enum                      dataDim { timeDim=0, sliceDim, phaseDim, readDim, n_dataDim };
static const char* dataDimLabel[]={"time",    "slice",  "phase",  "read"};


class FileIO {

 public:

  typedef STD_map<Protocol, Data<float,4> > ProtocolDataMap;

  static int autoread(ProtocolDataMap& pdmap, const STD_string& filename, const FileReadOpts& opts, const Protocol& protocol_template,ProgressMeter *progmeter=0);

  static int autowrite(const ProtocolDataMap& pdmap, const STD_string& filename, const FileWriteOpts& opts);

  static svector autoformats();

  static STD_string autoformats_str(const STD_string& indent="");


  static bool get_trace_status() {return do_trace;}

  static void set_trace_status(bool stat) {do_trace=stat;}


  static const char* get_compName(); // For debugging FilieIO component

 private:
  static logPriority loglevel() {if(do_trace) return infoLog; else return normalDebug;}
  static bool do_trace;

  static int read_dir(ProtocolDataMap& pdmap, const STD_string& dirname, const FileReadOpts& opts, const Protocol& protocol_template,ProgressMeter *progmeter=0);

};



class FileFormat {

 public:

  void register_format();

  static svector create_unique_filenames(const STD_string& filename, const FileIO::ProtocolDataMap& pdmap);

  static float voxel_extent(const Geometry& geometry, direction direction, int size);

  static dvector data_diagonal(const Geometry& geometry,int voxels_read,int voxels_phase);


protected:
  virtual ~FileFormat() {} // avoid compiler warnings

  static STD_string selectDataType(const Protocol &prot,const FileWriteOpts& opts);

 private:

  // limit access
  friend class FileIO;

  virtual STD_string description() const = 0;

  virtual svector suffix() const = 0;

  virtual svector dialects() const = 0;

  virtual int read(Data<float,4>& data, const STD_string& filename, const FileReadOpts& opts, Protocol& prot);
  virtual int read(FileIO::ProtocolDataMap& pdmap, const STD_string& filename, const FileReadOpts& opts, const Protocol& protocol_template);

  virtual int write(const Data<float,4>& data, const STD_string& filename, const FileWriteOpts& opts, const Protocol& prot);
  virtual int write(const FileIO::ProtocolDataMap& pdmap, const STD_string& filename, const FileWriteOpts& opts);

  static STD_map<STD_string,FileFormat*> formats;

  static STD_string analyze_suffix(const STD_string& filename);

  static FileFormat* get_format(const STD_string& filename, const STD_string& override_suffix);

  static svector possible_formats();

  static STD_string formats_str(const STD_string& indent);

  static void format_error(const STD_string& filename);

};



#endif

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