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/*=========================================================================
Program: ParaView
Module: vtkJavaScriptDataWriter.cxx
Copyright (c) Kitware, Inc.
All rights reserved.
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
/*-------------------------------------------------------------------------
Copyright 2009 Sandia Corporation.
Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
#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 "vtkTable.h"
#include "vtkSmartPointer.h"
#include "vtkStringArray.h"
#include <vector>
#include <sstream>
vtkStandardNewMacro(vtkJavaScriptDataWriter);
//-----------------------------------------------------------------------------
vtkJavaScriptDataWriter::vtkJavaScriptDataWriter()
{
this->VariableName = 0;
this->FileName = 0;
this->IncludeFieldNames = true; // Default is to include field names
this->OutputStream = 0;
this->SetVariableName( "data" ); // prepare the default.
}
//-----------------------------------------------------------------------------
vtkJavaScriptDataWriter::~vtkJavaScriptDataWriter()
{
this->SetFileName( 0 );
this->SetVariableName( 0 );
}
//-----------------------------------------------------------------------------
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;
}
//-----------------------------------------------------------------------------
ofstream* vtkJavaScriptDataWriter::OpenFile()
{
if ( !this->FileName )
{
vtkErrorMacro(<< "No FileName specified! Can't write!");
this->SetErrorCode(vtkErrorCode::NoFileNameError);
return 0;
}
vtkDebugMacro(<<"Opening file for writing...");
ofstream *fptr = new ofstream(this->FileName, ios::out);
if (fptr->fail())
{
vtkErrorMacro(<< "Unable to open file: "<< this->FileName);
this->SetErrorCode(vtkErrorCode::CannotOpenFileError);
delete fptr;
return 0;
}
return fptr;
}
//-----------------------------------------------------------------------------
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)
{
ofstream *file_stream = this->OpenFile();
if (file_stream)
{
this->WriteTable(input_table,file_stream);
}
file_stream->close();
}
else if (this->OutputStream)
{
this->WriteTable(input_table,this->OutputStream);
}
}
//-----------------------------------------------------------------------------
void vtkJavaScriptDataWriter::WriteTable(vtkTable* table, ostream *stream_ptr)
{
vtkIdType numRows = table->GetNumberOfRows();
vtkIdType numCols = table->GetNumberOfColumns();
vtkDataSetAttributes* dsa = table->GetRowData();
if (this->FileName && !this->OpenFile())
{
return;
}
vtkStdString rowHeader = "[";
vtkStdString rowFooter = "],";
if (this->IncludeFieldNames)
{
rowHeader = "{";
rowFooter = "},";
}
// Header stuff
if ( this->VariableName )
{
(*stream_ptr) << "var " << this->VariableName << " = [\n";
}
else
{
(*stream_ptr) << "[";
}
// For each row
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;
}
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