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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 $
//
*/
#include "cmtkFileUtils.h"
#include <limits.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
#ifdef _MSC_VER
# include <direct.h>
# include <windows.h>
#endif
#include <iostream>
namespace
cmtk
{
/** \addtogroup System */
//@{
namespace
FileUtils
{
int
RecursiveMkDir( const std::string& filename, const int permissions )
{
const int result = RecursiveMkPrefixDir( filename, permissions );
if ( result)
return result;
#ifdef _MSC_VER
return _mkdir( filename.c_str() );
#else
return mkdir( filename.c_str(), permissions );
#endif
}
int
RecursiveMkPrefixDir
( const std::string& filename, const int permissions )
{
char prefix[PATH_MAX];
for ( unsigned i=0; filename[i]; ++i )
{
if ( (filename[i] == CMTK_PATH_SEPARATOR) || (filename[i] == '/') )
{
prefix[i+1] = 0;
if ( i ) // do not delete single "/" or "\"
prefix[i] = 0;
else
prefix[i] = CMTK_PATH_SEPARATOR;
#ifdef _MSC_VER
if ( (i > 0) && (prefix[i-1] == ':') )
{
prefix[i] = '\\';
}
#endif
#ifdef _MSC_VER
int result = 0;
// NOTE(fschulze@vrvis.at): prevent to call _mkdir on drive letters
// (e.g. "C:\") because this would fail and subsequentually make the
// whole function fail Furthermore drives are not folders and cannot
// be created.
// The current prefix describes a drive if the second letter is a colon
// and we only have 3 letters
const bool isDrive = (prefix[i-1]==':') && (i==2);
if (!isDrive)
{
result = _mkdir( prefix );
}
#else
const int result = mkdir( prefix, permissions );
#endif
if ( result && errno != EEXIST && errno != EISDIR )
{
return result;
}
}
prefix[i] = filename[i];
}
return 0;
}
std::string
GetAbsolutePath( const std::string& relPath )
{
#ifdef _MSC_VER
char absPath[PATH_MAX];
GetFullPathName( relPath.c_str(), PATH_MAX, absPath, NULL );
return std::string( absPath );
#else
if ( relPath[0] == CMTK_PATH_SEPARATOR )
{
return relPath;
}
else
{
char absPath[PATH_MAX];
getcwd( absPath, PATH_MAX );
if ( absPath[ strlen( absPath )-1 ] != CMTK_PATH_SEPARATOR )
strcat( absPath, CMTK_PATH_SEPARATOR_STR );
return std::string( absPath ) + relPath;
}
#endif
}
std::string
Basename( const std::string& path, const std::string& suffix )
{
std::string basename = path;
// if given, and if present, remove suffix
if ( ! suffix.empty() && (basename.length() >= suffix.length() ) )
{
if ( basename.compare( basename.length() - suffix.length(), suffix.length(), suffix ) )
{
basename = basename.substr( 0, basename.length() - suffix.length() );
}
}
// split into dirname and basename now
const size_t separator = basename.rfind( CMTK_PATH_SEPARATOR );
if ( separator == std::string::npos )
{
// no separator, return the whole thing
return basename;
}
else
{
// seprator - return whatever comes after
return basename.substr( separator+1 );
}
}
} // namespace FileUtils
} // namespace cmtk
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