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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-FileCopyrightText: Copyright 2009 Sandia Corporation
// SPDX-License-Identifier: LicenseRef-BSD-3-Clause-Sandia-USGov
#include "vtkJavaScriptDataWriter.h"
#include "vtkAlgorithm.h"
#include "vtkArrayIteratorIncludes.h"
#include "vtkCellData.h"
#include "vtkDataArray.h"
#include "vtkErrorCode.h"
#include "vtkInformation.h"
#include "vtkObjectFactory.h"
#include "vtkSmartPointer.h"
#include "vtkStringArray.h"
#include "vtkTable.h"
#include "vtksys/Encoding.hxx"
#include "vtksys/FStream.hxx"
#include <sstream>
#include <vector>
VTK_ABI_NAMESPACE_BEGIN
vtkStandardNewMacro(vtkJavaScriptDataWriter);
//------------------------------------------------------------------------------
vtkJavaScriptDataWriter::vtkJavaScriptDataWriter()
{
this->VariableName = nullptr;
this->FileName = nullptr;
this->IncludeFieldNames = true; // Default is to include field names
this->OutputStream = nullptr;
this->OutputFile = nullptr;
this->SetVariableName("data"); // prepare the default.
}
//------------------------------------------------------------------------------
vtkJavaScriptDataWriter::~vtkJavaScriptDataWriter()
{
this->SetFileName(nullptr);
this->SetVariableName(nullptr);
this->CloseFile();
}
//------------------------------------------------------------------------------
int vtkJavaScriptDataWriter::FillInputPortInformation(int vtkNotUsed(port), vtkInformation* info)
{
info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkTable");
return 1;
}
//------------------------------------------------------------------------------
void vtkJavaScriptDataWriter::SetOutputStream(ostream* output_stream)
{
this->OutputStream = output_stream;
}
//------------------------------------------------------------------------------
ostream* vtkJavaScriptDataWriter::GetOutputStream()
{
return this->OutputStream;
}
//------------------------------------------------------------------------------
void vtkJavaScriptDataWriter::CloseFile()
{
delete this->OutputFile;
this->OutputFile = nullptr;
}
//------------------------------------------------------------------------------
bool vtkJavaScriptDataWriter::OpenFile()
{
if (!this->FileName)
{
vtkErrorMacro(<< "No FileName specified! Can't write!");
this->SetErrorCode(vtkErrorCode::NoFileNameError);
return false;
}
this->CloseFile();
vtkDebugMacro(<< "Opening file for writing...");
this->OutputFile = new vtksys::ofstream(this->FileName, ios::out);
if (this->OutputFile->fail())
{
vtkErrorMacro(<< "Unable to open file: " << this->FileName);
this->SetErrorCode(vtkErrorCode::CannotOpenFileError);
this->CloseFile();
return false;
}
return true;
}
//------------------------------------------------------------------------------
void vtkJavaScriptDataWriter::WriteData()
{
vtkTable* input_table = vtkTable::SafeDownCast(this->GetInput());
// Check for valid input
if (!input_table)
{
vtkErrorMacro(<< "vtkJavaScriptDataWriter can only write vtkTable.");
return;
}
// Check for filename
if (this->FileName)
{
if (this->OpenFile())
{
this->WriteTable(input_table, this->OutputFile);
this->CloseFile();
}
}
else
{
this->WriteTable(input_table, this->OutputStream);
}
}
//------------------------------------------------------------------------------
void vtkJavaScriptDataWriter::WriteTable(vtkTable* table, ostream* stream_ptr)
{
if (stream_ptr == nullptr)
{
if (this->FileName && this->OpenFile())
{
stream_ptr = this->OutputFile;
}
}
if (stream_ptr != nullptr)
{
vtkIdType numRows = table->GetNumberOfRows();
vtkIdType numCols = table->GetNumberOfColumns();
vtkDataSetAttributes* dsa = table->GetRowData();
std::string rowHeader = "[";
std::string rowFooter = "],";
if (this->IncludeFieldNames)
{
rowHeader = "{";
rowFooter = "},";
}
// Header stuff
if (this->VariableName)
{
(*stream_ptr) << "var " << this->VariableName << " = [\n";
}
else
{
(*stream_ptr) << "[";
}
for (vtkIdType r = 0; r < numRows; ++r)
{
// row header
(*stream_ptr) << rowHeader;
// Now for each column put out in the form
// colname1: data1, colname2: data2, etc
for (int c = 0; c < numCols; ++c)
{
if (this->IncludeFieldNames)
{
(*stream_ptr) << dsa->GetAbstractArray(c)->GetName() << ":";
}
// If the array is a string array put "" around it
if (vtkArrayDownCast<vtkStringArray>(dsa->GetAbstractArray(c)))
{
(*stream_ptr) << "\"" << table->GetValue(r, c).ToString() << "\",";
}
else
{
(*stream_ptr) << table->GetValue(r, c).ToString() << ",";
}
}
// row footer
(*stream_ptr) << rowFooter;
}
// Footer
(*stream_ptr) << (this->VariableName ? "];\n" : "]");
}
}
//------------------------------------------------------------------------------
void vtkJavaScriptDataWriter::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "VariableName: " << this->VariableName << endl;
os << indent << "FileName: " << (this->FileName ? this->FileName : "none") << endl;
os << indent << "IncludeFieldNames: " << (this->IncludeFieldNames ? "true" : "false") << endl;
}
VTK_ABI_NAMESPACE_END
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