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/*=========================================================================
Program: Visualization Toolkit
Module: vtkOStrStreamWrapper.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.
=========================================================================*/
#include "vtkSystemIncludes.h" // Cannot include vtkOStrStreamWrapper.h directly.
// Need strcpy.
#include <string>
#include <sstream>
using std::ostringstream;
//----------------------------------------------------------------------------
vtkOStrStreamWrapper::vtkOStrStreamWrapper()
: vtkOStreamWrapper(*(new ostringstream))
{
this->Result = 0;
this->Frozen = 0;
}
//----------------------------------------------------------------------------
vtkOStrStreamWrapper::~vtkOStrStreamWrapper()
{
if(!this->Frozen)
{
delete [] this->Result;
}
delete &this->ostr;
}
//----------------------------------------------------------------------------
char* vtkOStrStreamWrapper::str()
{
if(!this->Result)
{
std::string s = static_cast<ostringstream*>(&this->ostr)->str();
this->Result = new char[s.length()+1];
strcpy(this->Result, s.c_str());
this->freeze();
}
return this->Result;
}
//----------------------------------------------------------------------------
vtkOStrStreamWrapper* vtkOStrStreamWrapper::rdbuf()
{
return this;
}
//----------------------------------------------------------------------------
void vtkOStrStreamWrapper::freeze()
{
this->freeze(1);
}
//----------------------------------------------------------------------------
void vtkOStrStreamWrapper::freeze(int f)
{
this->Frozen = f;
}
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