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

  Library:   CTK

  Copyright (c) Kitware Inc. 
  All rights reserved.
  Distributed under a BSD License. See LICENSE.txt file.

  This software is distributed "AS IS" WITHOUT ANY WARRANTY; without even
  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the above copyright notice for more information.

=========================================================================*/
/*=auto=========================================================================

 Portions (c) Copyright 2005 Brigham and Women's Hospital (BWH) 
 All Rights Reserved.

 See Doc/copyright/copyright.txt
 or http://www.slicer.org/copyright/copyright.txt for details.

 Program:   Module Description Parser

=========================================================================auto=*/

#ifndef __ctkBinaryFileDescriptor_h
#define __ctkBinaryFileDescriptor_h

// Qt includes
#include <QString>

// CTK includes
#include "ctkPimpl.h"

#include "CTKWidgetsExport.h"

/// Allows to resolve global symbols contained into an executable.
/// Implementation valid only for unix-like systems (Linux, Mac, ...)

class ctkBinaryFileDescriptorPrivate;

class CTK_WIDGETS_EXPORT ctkBinaryFileDescriptor
{
public:
  ctkBinaryFileDescriptor();
  ctkBinaryFileDescriptor(const QString& _fileName);
  virtual ~ctkBinaryFileDescriptor();

  QString fileName()const;
  void setFileName(const QString& _fileName);

  /// Load the object file containing the symbols
  bool load();

  /// Unload / close the object file
  bool unload();

  bool isLoaded() const;

  /// Get the address of a symbol in memory
  void* resolve(const char * symbol);

private:
  CTK_DECLARE_PRIVATE(ctkBinaryFileDescriptor);

};

#endif