Common/vtkOStreamWrapper.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkOStreamWrapper.h,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.

=========================================================================*/
#ifndef __vtkOStreamWrapper_h
#define __vtkOStreamWrapper_h

#ifndef __VTK_SYSTEM_INCLUDES__INSIDE
Do_not_include_vtkOStreamWrapper_directly__vtkSystemIncludes_includes_it;
#endif

class vtkIndent;
class vtkObjectBase;
class vtkLargeInteger;
class vtkSmartPointerBase;

class VTK_COMMON_EXPORT vtkOStreamWrapper
{
public:

  vtkOStreamWrapper(ostream& os);
  vtkOStreamWrapper(vtkOStreamWrapper& r);
  
  struct EndlType {};
  

  vtkOStreamWrapper& operator << (const EndlType&);
  vtkOStreamWrapper& operator << (const vtkIndent&);
  vtkOStreamWrapper& operator << (vtkObjectBase&);
  vtkOStreamWrapper& operator << (const vtkLargeInteger&);
  vtkOStreamWrapper& operator << (const vtkSmartPointerBase&);
  vtkOStreamWrapper& operator << (ostream&);
  vtkOStreamWrapper& operator << (const char*);
  vtkOStreamWrapper& operator << (void*);
  vtkOStreamWrapper& operator << (char);
  vtkOStreamWrapper& operator << (short);
  vtkOStreamWrapper& operator << (int);
  vtkOStreamWrapper& operator << (long);
  vtkOStreamWrapper& operator << (unsigned char);
  vtkOStreamWrapper& operator << (unsigned short);
  vtkOStreamWrapper& operator << (unsigned int);
  vtkOStreamWrapper& operator << (unsigned long);
  vtkOStreamWrapper& operator << (float);
  vtkOStreamWrapper& operator << (double);

  // Need to switch on bool type because this wrapper is supposed to
  // be as transparent as possible to user code.  This example should
  // not be used to justify using bool elsewhere in VTK.
#ifdef VTK_COMPILER_HAS_BOOL
  vtkOStreamWrapper& operator << (bool);
#endif
  
  // Work-around for IBM Visual Age bug in overload resolution.
#if defined(__IBMCPP__)
  vtkOStreamWrapper& WriteInternal(const char*);
  vtkOStreamWrapper& WriteInternal(void*);
  template <typename T>
  vtkOStreamWrapper& operator << (T* p)
    {
    return this->WriteInternal(p);
    }
#endif

#ifdef VTK_NEED_ID_TYPE_STREAM_OPERATORS
  vtkOStreamWrapper& operator << (vtkIdType);
#endif
  vtkOStreamWrapper& operator << (void (*)(void*));
  vtkOStreamWrapper& operator << (void* (*)(void*));
  vtkOStreamWrapper& operator << (int (*)(void*));
  vtkOStreamWrapper& operator << (int* (*)(void*));
  vtkOStreamWrapper& operator << (float* (*)(void*));
  vtkOStreamWrapper& operator << (const char* (*)(void*));
  vtkOStreamWrapper& operator << (void (*)(void*, int*));
  
  vtkOStreamWrapper& write(const char*, unsigned long);
  
  ostream& GetOStream();

  operator ostream&();

  operator int();
  
  void flush();
  
  static void UseEndl(const EndlType&) {}
protected:
  // Reference to the real ostream.
  ostream& ostr;
private:
  vtkOStreamWrapper& operator=(const vtkOStreamWrapper& r); // Not Implemented.
};

#endif

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