/usr/include/ITK-4.12/itkFileTools.h is in libinsighttoolkit4-dev 4.12.2-dfsg1-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef itkFileTools_h
#define itkFileTools_h
#include <string>
namespace itk
{
/**
* \class FileTools
* \brief This is a helper class to provide file/directory manipulations such as file creation, directory creation, etc.
* \ingroup ITKIOXML
*/
class FileTools
{
public:
/** Helper function to create the directory, if it does not exist. */
static void CreateDirectory( const std::string &fn );
/** Function to create a file, if it does not exist. */
static void CreateFile( const std::string &fn );
};
} // namespace itk
// here comes the implementation
#include "itksys/SystemTools.hxx"
#include "itkMacro.h"
namespace itk
{
/** Helper function to create the directory, if it does not exist. */
inline void
FileTools::CreateDirectory( const std::string &dir )
{
if ( dir.empty() || itksys::SystemTools::FileExists(dir.c_str(),true) )
{
ExceptionObject eo( __FILE__, __LINE__, "directory cannot be created" );
throw eo;
}
// do nothing if it already exists
if ( "" == dir || "." == dir || itksys::SystemTools::FileIsDirectory(dir.c_str()) )
{
return;
}
// create it
itksys::SystemTools::MakeDirectory( dir.c_str() );
// check successful or not
if ( !itksys::SystemTools::FileIsDirectory( dir.c_str() ) )
{
ExceptionObject eo( __FILE__, __LINE__, "directory cannot be created" );
throw eo;
}
}
/** Helper function to create a file, if it does not exist. */
inline void
FileTools::CreateFile( const std::string &fn )
{
if ( fn.empty() || itksys::SystemTools::FileIsDirectory( fn.c_str() ) )
{
ExceptionObject eo( __FILE__, __LINE__, "file cannot be created" );
throw eo;
}
// do nothing if it already exists
if ( itksys::SystemTools::FileExists(fn.c_str() ,true) )
{
return;
}
// make sure the directory exists
std::string dir = itksys::SystemTools::GetFilenamePath( fn.c_str() );
FileTools::CreateDirectory( dir );
// create the file
itksys::SystemTools::Touch( fn.c_str(), true );
// check successful or not
if ( !itksys::SystemTools::FileExists( fn.c_str(), true) )
{
ExceptionObject eo( __FILE__, __LINE__, "file cannot be created" );
throw eo;
}
}
} // namespace itk
#endif // itkFileTools_h
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