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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.h>
// Use ANSI ostrstream or ostringstream.
#ifdef VTK_USE_ANSI_STDLIB
# ifndef VTK_NO_ANSI_STRING_STREAM
# include <sstream>
using std::ostringstream;
# else
# include <strstream>
using std::ostrstream;
using std::ends;
# endif
// Use old-style strstream.
#else
# ifdef _WIN32_WCE
# include "vtkWinCE.h"
# else
# if defined(_MSC_VER)
# include <strstrea.h>
# else
# include <strstream.h>
# endif
# endif // Win CE
#endif
//----------------------------------------------------------------------------
#if defined(VTK_USE_ANSI_STDLIB) && !defined(VTK_NO_ANSI_STRING_STREAM)
vtkOStrStreamWrapper::vtkOStrStreamWrapper():
vtkOStreamWrapper(*(new ostringstream))
{
this->Result = 0;
this->Frozen = 0;
}
#else
vtkOStrStreamWrapper::vtkOStrStreamWrapper():
vtkOStreamWrapper(*(new ostrstream))
{
this->Result = 0;
this->Frozen = 0;
}
#endif
//----------------------------------------------------------------------------
vtkOStrStreamWrapper::~vtkOStrStreamWrapper()
{
if(this->Result && !this->Frozen)
{
delete [] this->Result;
}
delete &this->ostr;
}
//----------------------------------------------------------------------------
#if defined(VTK_USE_ANSI_STDLIB) && !defined(VTK_NO_ANSI_STRING_STREAM)
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;
}
#else
char* vtkOStrStreamWrapper::str()
{
if(!this->Result)
{
this->ostr << ends;
this->Result = static_cast<ostrstream*>(&this->ostr)->str();
this->freeze();
}
return this->Result;
}
#endif
//----------------------------------------------------------------------------
vtkOStrStreamWrapper* vtkOStrStreamWrapper::rdbuf()
{
return this;
}
//----------------------------------------------------------------------------
void vtkOStrStreamWrapper::freeze()
{
this->freeze(1);
}
//----------------------------------------------------------------------------
void vtkOStrStreamWrapper::freeze(int f)
{
this->Frozen = f;
}
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