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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkDataObjectReader.h"
#include "vtkDataObject.h"
#include "vtkExecutive.h"
#include "vtkFieldData.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
VTK_ABI_NAMESPACE_BEGIN
vtkStandardNewMacro(vtkDataObjectReader);
vtkDataObjectReader::vtkDataObjectReader() = default;
vtkDataObjectReader::~vtkDataObjectReader() = default;
//------------------------------------------------------------------------------
vtkDataObject* vtkDataObjectReader::GetOutput()
{
return this->GetOutput(0);
}
//------------------------------------------------------------------------------
vtkDataObject* vtkDataObjectReader::GetOutput(int port)
{
return vtkDataObject::SafeDownCast(this->GetOutputDataObject(port));
}
//------------------------------------------------------------------------------
void vtkDataObjectReader::SetOutput(vtkDataObject* output)
{
this->GetExecutive()->SetOutputData(0, output);
}
int vtkDataObjectReader::ReadMeshSimple(const std::string& fname, vtkDataObject* output)
{
char line[256];
vtkFieldData* field = nullptr;
vtkDebugMacro(<< "Reading vtk field data...");
if (!(this->OpenVTKFile(fname.c_str())) || !this->ReadHeader())
{
return 1;
}
// Read field data until end-of-file
//
while (this->ReadString(line) && !field)
{
if (!strncmp(this->LowerCase(line), "field", (unsigned long)5))
{
field = this->ReadFieldData(); // reads named field (or first found)
if (field != nullptr)
{
output->SetFieldData(field);
field->Delete();
}
}
else if (!strncmp(this->LowerCase(line), "dataset", 7))
{
vtkErrorMacro(<< "Field reader cannot read datasets");
this->CloseVTKFile();
return 1;
}
else
{
vtkErrorMacro(<< "Unrecognized keyword: " << line);
this->CloseVTKFile();
return 1;
}
}
// while field not read
this->CloseVTKFile();
return 1;
}
int vtkDataObjectReader::FillOutputPortInformation(int, vtkInformation* info)
{
info->Set(vtkDataObject::DATA_TYPE_NAME(), "vtkDataObject");
return 1;
}
void vtkDataObjectReader::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
VTK_ABI_NAMESPACE_END
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