1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145
|
/*=========================================================================
Program: Visualization Toolkit
Module: vtkArrayDataReader.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm 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 2008 Sandia Corporation.
Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
#include "vtkArrayDataReader.h"
#include "vtkArrayReader.h"
#include "vtkObjectFactory.h"
#include "vtkSmartPointer.h"
#include <sstream>
#include <stdexcept>
vtkStandardNewMacro(vtkArrayDataReader);
vtkArrayDataReader::vtkArrayDataReader() :
FileName(0)
{
this->SetNumberOfInputPorts(0);
this->ReadFromInputString = false;
}
vtkArrayDataReader::~vtkArrayDataReader()
{
this->SetFileName(0);
}
void vtkArrayDataReader::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "FileName: "
<< (this->FileName ? this->FileName : "(none)") << endl;
os << indent << "InputString: " << this->InputString << endl;
os << indent << "ReadFromInputString: "
<< (this->ReadFromInputString ? "on" : "off") << endl;
}
void vtkArrayDataReader::SetInputString(const vtkStdString& string)
{
this->InputString = string;
this->Modified();
}
vtkStdString vtkArrayDataReader::GetInputString()
{
return this->InputString;
}
int vtkArrayDataReader::RequestData(
vtkInformation*,
vtkInformationVector**,
vtkInformationVector* outputVector)
{
try
{
vtkArrayData* array_data = NULL;
if(this->ReadFromInputString)
{
array_data = this->Read(this->InputString);
}
else
{
if(!this->FileName)
throw std::runtime_error("FileName not set.");
ifstream file(this->FileName, std::ios::binary);
array_data = this->Read(file);
}
if(!array_data)
throw std::runtime_error("Error reading vtkArrayData.");
vtkArrayData* const output_array_data = vtkArrayData::GetData(outputVector);
output_array_data->ShallowCopy(array_data);
array_data->Delete();
return 1;
}
catch(std::exception& e)
{
vtkErrorMacro(<< e.what());
}
return 0;
}
vtkArrayData* vtkArrayDataReader::Read(vtkStdString str)
{
std::istringstream iss(str);
return vtkArrayDataReader::Read(iss);
}
vtkArrayData* vtkArrayDataReader::Read(istream& stream)
{
try
{
// Read enough of the file header to identify the type ...
std::string header_string;
std::getline(stream, header_string);
std::istringstream header_buffer(header_string);
std::string header_name;
vtkIdType header_size;
header_buffer >> header_name >> header_size;
if(header_name != "vtkArrayData")
{
throw std::runtime_error("Not a vtkArrayData file");
}
if(header_size < 0)
{
throw std::runtime_error("Invalid number of arrays");
}
vtkArrayData* data = vtkArrayData::New();
for (vtkIdType i = 0; i < header_size; ++i)
{
vtkArray* a = vtkArrayReader::Read(stream);
data->AddArray(a);
a->Delete();
}
return data;
}
catch(std::exception& e)
{
vtkGenericWarningMacro(<< e.what());
}
return 0;
}
|