/usr/include/OTB-6.4/otbRCC8GraphFileReader.txx is in libotb-dev 6.4.0+dfsg-1.
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 (C) 2005-2017 Centre National d'Etudes Spatiales (CNES)
*
* This file is part of Orfeo Toolbox
*
* https://www.orfeo-toolbox.org/
*
* 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
*
* 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 otbRCC8GraphFileReader_txx
#define otbRCC8GraphFileReader_txx
#include "otbRCC8GraphFileReader.h"
#include "otbRCC8VertexIterator.h"
#include "otbMacro.h"
#include <fstream>
#include <iostream>
#include <string>
namespace otb
{
/**
* Constructor
*/
template <class TOutputGraph>
RCC8GraphFileReader<TOutputGraph>
::RCC8GraphFileReader()
{
m_FileName = "";
}
/**
* Destructor
*/
template <class TOutputGraph>
RCC8GraphFileReader<TOutputGraph>
::~RCC8GraphFileReader()
{
}
/**
* Parse edge information from a given line.
* \param line The line to parse.
*/
template <class TOutputGraph>
void
RCC8GraphFileReader<TOutputGraph>
::ParseEdge(const std::string& line)
{
typename std::string::size_type pos1 = line.find_first_of(" ", 0);
typename std::string::size_type pos2 = line.find_first_of(" ", pos1 + 1);
typename std::string::size_type pos3 = line.find_first_of(" ", pos2 + 1);
unsigned int source = atoi(line.substr(0, pos1).c_str());
unsigned int target = atoi(line.substr(pos2 + 1, pos3 - pos2 - 1).c_str());
typename std::string::size_type pos4 = line.find_first_of("\"", 0);
typename std::string::size_type pos5 = line.find_first_of("\" ", pos4 + 1);
RCC8ValueType value = static_cast<RCC8ValueType>(atoi(line.substr(pos4 + 1, pos5 - pos4 - 1).c_str()));
otbMsgDevMacro(<< "RCC8GraphFileReader: Edge line parsed: " << source << " -> "
<< target << " " << value);
this->GetOutput()->AddEdge(source, target, value);
}
/**
* Parse vertex information from a given line.
* \param line The line to parse.
*/
template <class TOutputGraph>
void
RCC8GraphFileReader<TOutputGraph>
::ParseVertex(const std::string& line)
{
typename VertexType::AttributesMapType attr;
typename std::string::size_type pos = line.find_first_of(" ", 0);
unsigned int index = atoi(line.substr(0, pos).c_str());
otbMsgDevMacro(<< "RCC8GraphFileReader: Vertex index: " << index);
typename std::string::size_type midPos, nextPos;
midPos = line.find_first_of("\"", pos + 2);
nextPos = line.find_first_of("\"", midPos + 1);
std::string key, value;
while ((midPos != std::string::npos) && (nextPos != std::string::npos))
{
key = line.substr(pos + 2, midPos - pos - 3);
value = line.substr(midPos + 1, nextPos - midPos - 1);
attr[key] = value;
otbMsgDevMacro(<< "RCC8GraphFileReader: Vertex attribute: " << key << " " << value);
pos = nextPos;
midPos = line.find_first_of("\"", pos + 2);
nextPos = line.find_first_of("\"", midPos + 1);
}
typename VertexType::Pointer vertex = VertexType::New();
vertex->SetAttributesMap(attr);
this->GetOutput()->SetVertex(index, vertex);
}
/**
* Generate data method
*/
template <class TOutputGraph>
void
RCC8GraphFileReader<TOutputGraph>
::GenerateData()
{
std::ifstream fin;
std::string line;
// open file input stream
fin.open(m_FileName.c_str());
// Test if the file has been opened correctly
if (!fin)
{
RCC8GraphFileReaderException e(__FILE__, __LINE__);
std::ostringstream msg;
msg << " Could not create IO object for file ";
msg << m_FileName << "." << std::endl;
e.SetDescription(msg.str().c_str());
throw e;
return;
}
// if so, parse it
while (!fin.eof())
{
std::getline(fin, line);
if (line.find("->") != std::string::npos)
{
// edge line
this->ParseEdge(line);
}
else if (line.find("[") != std::string::npos)
{
// vertex line
this->ParseVertex(line);
}
}
fin.close();
}
/**
* PrintSelf method
*/
template <class TInputGraph>
void
RCC8GraphFileReader<TInputGraph>
::PrintSelf(std::ostream& os, itk::Indent indent) const
{
Superclass::PrintSelf(os, indent);
}
} // end namespace otb
#endif
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