/*=========================================================================

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkInformationStringKey.cxx,v $

  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 "vtkInformationStringKey.h"

#include <vtkstd/string>

vtkCxxRevisionMacro(vtkInformationStringKey, "$Revision: 1.7 $");

//----------------------------------------------------------------------------
vtkInformationStringKey::vtkInformationStringKey(const char* name, const char* location):
  vtkInformationKey(name, location)
{
  vtkFilteringInformationKeyManager::Register(this);
}

//----------------------------------------------------------------------------
vtkInformationStringKey::~vtkInformationStringKey()
{
}

//----------------------------------------------------------------------------
void vtkInformationStringKey::PrintSelf(ostream& os, vtkIndent indent)
{
  this->Superclass::PrintSelf(os, indent);
}

//----------------------------------------------------------------------------
class vtkInformationStringValue: public vtkObjectBase
{
public:
  vtkTypeMacro(vtkInformationStringValue, vtkObjectBase);
  vtkstd::string Value;
};

//----------------------------------------------------------------------------
void vtkInformationStringKey::Set(vtkInformation* info, const char* value)
{
  if(value)
    {
    vtkInformationStringValue* v = new vtkInformationStringValue;
    this->ConstructClass("vtkInformationStringValue");
    v->Value = value;
    this->SetAsObjectBase(info, v);
    v->Delete();
    }
  else
    {
    this->SetAsObjectBase(info, 0);
    }
}

//----------------------------------------------------------------------------
const char* vtkInformationStringKey::Get(vtkInformation* info)
{
  vtkInformationStringValue* v =
    static_cast<vtkInformationStringValue *>(this->GetAsObjectBase(info));
  return v?v->Value.c_str():0;
}

//----------------------------------------------------------------------------
int vtkInformationStringKey::Has(vtkInformation* info)
{
  return this->GetAsObjectBase(info)?1:0;
}

//----------------------------------------------------------------------------
void vtkInformationStringKey::ShallowCopy(vtkInformation* from, vtkInformation* to)
{
  this->Set(to, this->Get(from));
}

//----------------------------------------------------------------------------
void vtkInformationStringKey::Print(ostream& os, vtkInformation* info)
{
  // Print the value.
  if(this->Has(info))
    {
    os << this->Get(info);
    }
}