/usr/include/ITK-4.5/itkDOMWriter.hxx is in libinsighttoolkit4-dev 4.5.0-3.
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 __itkDOMWriter_hxx
#define __itkDOMWriter_hxx
#include "itkDOMWriter.h"
#include "itksys/SystemTools.hxx"
#include "itkStdStreamLogOutput.h"
#include "itkFileTools.h"
namespace itk
{
template< typename TInput >
DOMWriter<TInput>::DOMWriter() : m_Input( NULL )
{
// Create the logger.
this->m_Logger = LoggerType::New();
// by default logged messages go to the console
typename StdStreamLogOutput::Pointer defout = StdStreamLogOutput::New();
defout->SetStream( std::cout );
this->m_Logger->AddLogOutput( defout );
// settings that may be important
this->m_Logger->SetName( this->GetNameOfClass() );
this->m_Logger->SetPriorityLevel( Logger::NOTSET ); // log everything
this->m_Logger->SetLevelForFlushing( Logger::MUSTFLUSH ); // never flush (MUSTFLUSH actually leads to no flush, a bug in Logger)
// some other settings
this->m_Logger->SetTimeStampFormat( Logger::HUMANREADABLE );
this->m_Logger->SetHumanReadableFormat( "%Y-%b-%d %H:%M:%S" ); // time stamp format
}
/** Set the input object to be written. */
template< typename TInput >
void
DOMWriter<TInput>::SetInput( const InputType* input )
{
this->m_Input = input;
this->m_InputHolder = dynamic_cast<const LightObject*>(input);
this->Modified();
}
/** Get the input object to be written. */
template< typename TInput >
const typename DOMWriter<TInput>::InputType *
DOMWriter<TInput>::GetInput() const
{
return this->m_Input;
}
/**
* Function called by Update() or end-users to write the input object to a DOM object.
* Some derived writers may accept an incomplete input object during the writing process, in those cases
* the optional argument 'userdata' can be used to provide the missed information.
*/
template< typename TInput >
void
DOMWriter<TInput>::Update( DOMNodeType* outputdom, const void* userdata )
{
if ( outputdom == NULL )
{
itkExceptionMacro( "write to an invalid DOM object" );
}
if ( this->GetInput() == NULL )
{
itkExceptionMacro( "input object is null" );
}
// remove previous data
outputdom->RemoveAllAttributesAndChildren();
// group subsequent logging under this writer
this->GetLogger()->SetName( this->GetNameOfClass() );
// variable/info needed for logging
FancyString info;
FancyString objname = this->GetInput()->GetNameOfClass();
// log start of writing
info << ClearContent << "Writing \"" << objname << "\" ...\n";
this->GetLogger()->Info( info );
// perform actual writing
this->GenerateData( outputdom, userdata );
// log end of writing
info << ClearContent << "Writing \"" << objname << "\" done!\n";
this->GetLogger()->Info( info );
}
/**
* Function called by end-users to write the input object to the output XML file.
*/
template< typename TInput >
void
DOMWriter<TInput>::Update()
{
if ( this->m_IntermediateDOM.IsNull() )
{
typename DOMNodeType::Pointer temp= DOMNodeType::New();
this->SetIntermediateDOM( temp );
}
FancyString fn( this->m_FileName );
// create the output file if necessary
// this is to make sure that the output directory is created if it does exist
FileTools::CreateFile( fn );
// save the current working directory (WD), and change the WD to where the XML file is located
FancyString sOldWorkingDir = itksys::SystemTools::GetCurrentWorkingDirectory();
FancyString sNewWorkingDir = itksys::SystemTools::GetFilenamePath( fn );
itksys::SystemTools::ChangeDirectory( sNewWorkingDir );
this->Update( this->m_IntermediateDOM );
// change the WD back to the previously saved
itksys::SystemTools::ChangeDirectory( sOldWorkingDir );
// write the newly updated DOM object to the output XML file
typename DOMNodeXMLWriter::Pointer writer = DOMNodeXMLWriter::New();
writer->SetFileName( fn );
writer->SetInput( this->m_IntermediateDOM );
writer->Update();
}
} // namespace itk
#endif // __itkDOMWriter_hxx
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