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/*
//
// Copyright 1997-2009 Torsten Rohlfing
//
// Copyright 2004-2013 SRI International
//
// This file is part of the Computational Morphometry Toolkit.
//
// http://www.nitrc.org/projects/cmtk/
//
// The Computational Morphometry Toolkit 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 3 of
// the License, or (at your option) any later version.
//
// The Computational Morphometry Toolkit 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 the Computational Morphometry Toolkit. If not, see
// <http://www.gnu.org/licenses/>.
//
// $Revision: 5436 $
//
// $LastChangedDate: 2018-12-10 19:01:20 -0800 (Mon, 10 Dec 2018) $
//
// $LastChangedBy: torstenrohlfing $
//
*/
#ifndef __cmtkFileFormat_h_included_
#define __cmtkFileFormat_h_included_
#include <cmtkconfig.h>
#include <string>
namespace
cmtk
{
/** \addtogroup IO */
//@{
/// ID codes for known file formats.
typedef enum {
/// File of this name does not exist.
FILEFORMAT_NEXIST = 0,
/// File is a compressed archive file.
FILEFORMAT_COMPRESSED_ARCHIVE = 1,
/// Path is a typedstream study directory.
FILEFORMAT_STUDY = 2,
/// Path is a typedstream studylist directory.
FILEFORMAT_STUDYLIST = 3,
/// Path is a typedstream archive file.
FILEFORMAT_TYPEDSTREAM = 4,
/// Path is a PGM image.
FILEFORMAT_PGM = 5,
/// Path is a DICOM image.
FILEFORMAT_DICOM = 6,
/// Path is a Vanderbilt image description file.
FILEFORMAT_VANDERBILT = 7,
/// Path is a Amira image file.
FILEFORMAT_AMIRA = 8,
/// Path is some raw binary file (2-D).
FILEFORMAT_RAW = 9,
/// Path is some raw binary file (3-D).
FILEFORMAT_RAW3D = 10,
/// Path is a BioRad .PIC image file.
FILEFORMAT_BIORAD = 11,
/// Path is a NRRD file.
FILEFORMAT_NIFTI_DETACHED = 12,
/// Path is a NRRD file.
FILEFORMAT_NIFTI_SINGLEFILE = 13,
/// Path is an Analyze AVW file.
FILEFORMAT_ANALYZE_AVW = 14,
/// Path is a MetaImage file.
FILEFORMAT_METAIMAGE = 15,
/// Path is a NRRD file.
FILEFORMAT_NRRD = 16,
/// Path is an Analyze header file in little endian.
FILEFORMAT_ANALYZE_HDR = 17,
/// Path is an Analyze header file in little endian.
FILEFORMAT_ANALYZE_HDR_BIGENDIAN = 18,
/// Path is an ITK transformation file.
FILEFORMAT_ITK_TFM = 19,
/** File type cannot be determined.
* This ID always has to be the last one!
*/
FILEFORMAT_UNKNOWN
} FileFormatID;
/// Table of file format ID names.
extern const char* FileFormatName[];
/** Identify file (and directory) formats.
*/
class FileFormat
{
public:
/** Identify file or directory with given path.
* Compressed files as supported by CompressedStream are handled. If both
* an uncompressed and a compressed file exist for the same path prefix, then
* the uncompressed file has precedence.
*/
static FileFormatID Identify( const std::string& path /*!< Image path. */, const bool decompress = true /*!< If set, compressed files are decompressed before determining their file type.*/ );
/** Return textual description of identified file format.
*/
static std::string Describe( const FileFormatID id );
/** Return textual description of a file's format.
*/
static std::string Describe( const std::string& path )
{
return Describe( Identify( path ) );
}
/// Say whether given file format is an image file format.
static bool IsImage( const FileFormatID& id );
/// Say whether given file format is a transformation file format.
static bool IsXform( const FileFormatID& id );
private:
/** Identify directory with given path.
*/
static FileFormatID IdentifyDirectory( const std::string& path );
/** Identify regular file with given path.
*/
static FileFormatID IdentifyFile( const std::string& path /*!< Image path. */, const bool decompress = true /*!< If set, compressed files are decompressed before determining their file type.*/ );
};
//@}
} // namespace cmtk
#endif // #ifndef __cmtkFileFormat_h_included_
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