/usr/include/ITK-4.9/itkCSVArray2DFileReader.hxx is in libinsighttoolkit4-dev 4.9.0-4ubuntu1.
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 itkCSVArray2DFileReader_hxx
#define itkCSVArray2DFileReader_hxx
#include "itkCSVArray2DFileReader.h"
#include "itksys/SystemTools.hxx"
#include <vcl_limits.h>
namespace itk
{
template <typename TData>
CSVArray2DFileReader<TData>
::CSVArray2DFileReader()
{
this->m_Array2DDataObject = Array2DDataObjectType::New();
}
template <typename TData>
void
CSVArray2DFileReader<TData>
::PrintSelf(std::ostream & os, Indent indent) const
{
Superclass::PrintSelf(os,indent);
os << this->m_Array2DDataObject << std::endl;
}
template <typename TData>
void
CSVArray2DFileReader <TData>
::Parse()
{
SizeValueType rows = 0;
SizeValueType columns = 0;
this->PrepareForParsing();
this->m_InputStream.clear();
this->m_InputStream.open(this->m_FileName.c_str());
if ( this->m_InputStream.fail() )
{
itkExceptionMacro(
"The file " << this->m_FileName <<" cannot be opened for reading!"
<< std::endl
<< "Reason: "
<< itksys::SystemTools::GetLastSystemError() );
}
// Get the data dimension and set the matrix size
this->GetDataDimension(rows,columns);
this->m_Array2DDataObject->SetMatrixSize(rows,columns);
/** initialize the matrix to NaN so that missing data will automatically be
* set to this value. */
this->m_Array2DDataObject->FillMatrix(std::numeric_limits<TData>::quiet_NaN());
std::string entry;
// Get the Column Headers if there are any.
if ( this->m_HasColumnHeaders )
{
this->m_Array2DDataObject->HasColumnHeadersOn();
// push the entries into the column headers vector.
for (unsigned int i = 0; i < columns+1; i++)
{
this->GetNextField(entry);
this->m_Array2DDataObject->ColumnHeadersPushBack(entry);
if ( this->m_Line.empty() )
{
break;
}
}
/** if there are row headers, get rid of the first entry in the column
* headers as it will just be the name of the table. */
if ( this->m_HasRowHeaders )
{
this->m_Array2DDataObject->EraseFirstColumnHeader();
}
}
// Get the rest of the data
for (unsigned int i = 0; i < rows; i++)
{
// if there are row headers, push them into the vector for row headers
if ( this->m_HasRowHeaders )
{
this->m_Array2DDataObject->HasRowHeadersOn();
this->GetNextField(entry);
this->m_Array2DDataObject->RowHeadersPushBack(entry);
}
// parse the numeric data into the Array2D object
for (unsigned int j = 0; j < columns; j++)
{
this->GetNextField(entry);
this->m_Array2DDataObject->SetMatrixData(i,j,
this->ConvertStringToValueType<TData>(entry));
/** if the file contains missing data, m_Line will contain less data
* fields. So we check if m_Line is empty and if it is, we break out of
* this loop and move to the next line. */
if ( this->m_Line.empty() )
{
break;
}
}
}
this->m_InputStream.close();
}
/** Update method */
template<typename TData>
void
CSVArray2DFileReader<TData>
::Update()
{
this->Parse();
}
/** Get the output */
template <typename TData>
typename CSVArray2DFileReader<TData>::Array2DDataObjectPointer
CSVArray2DFileReader<TData>
::GetOutput()
{
return this->GetModifiableArray2DDataObject();
}
} //end namespace itk
#endif
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