Method SortFileNames

IO/Core/vtkSortFileNames.cxx:476–529

}

void vtkSortFileNames::SortFileNames(vtkStringArray* input, vtkStringArray* output)
{
  // convert vtkStringArray into an STL vector
  std::vector<std::string> fileNames;
  vtkIdType numberOfStrings = input->GetNumberOfValues();
  for (vtkIdType j = 0; j < numberOfStrings; j++)
  {
    std::string& fileName = input->GetValue(j);

    // skip anything that is a directory
    if (this->SkipDirectories && vtksys::SystemTools::FileIsDirectory(fileName))
    {
      continue;
    }

    // build a new list
    fileNames.push_back(fileName);
  }

  // perform the sort according to the options that are set
  if (this->IgnoreCase)
  {
    if (this->NumericSort)
    {
      // numeric sort without case sensitivity
      std::sort(fileNames.begin(), fileNames.end(), vtkCompareFileNamesNumericIgnoreCase);
    }
    else
    {
      // lexicographic sort without case sensitivity
      std::sort(fileNames.begin(), fileNames.end(), vtkCompareFileNamesIgnoreCase);
    }
  }
  else
  {
    if (this->NumericSort)
    {
      // numeric sort
      std::sort(fileNames.begin(), fileNames.end(), vtkCompareFileNamesNumeric);
    }
    else
    {
      // lexicographic sort (the default)
      std::sort(fileNames.begin(), fileNames.end());
    }
  }

  // build the output
  std::vector<std::string>::iterator iter = fileNames.begin();
  while (iter < fileNames.end())
  {
    output->InsertNextValue(*iter++);
  }
}

void vtkSortFileNames::Execute()
{