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dynamic-ld.h

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/*

Copyright (C) 1993, 1994, 1995, 1996, 1997, 1999, 2000, 2002, 2005,
              2006, 2007, 2008 John W. Eaton

This file is part of Octave.

Octave is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version.

Octave is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING.  If not, see
<http://www.gnu.org/licenses/>.

*/

#if !defined (octave_dynamic_ld_h)
#define octave_dynamic_ld_h 1

#include <string>

#include "oct-shlib.h"

class octave_function;

class
octave_dynamic_loader
{
protected:

  octave_dynamic_loader (void) { }

public:

  virtual ~octave_dynamic_loader (void) { }

  static octave_function *
  load_oct (const std::string& fcn_name,
             const std::string& file_name = std::string (),
             bool relative = false);

  static octave_function *
  load_mex (const std::string& fcn_name,
             const std::string& file_name = std::string (),
             bool relative = false);

  static bool remove_oct (const std::string& fcn_name, octave_shlib& shl);

  static bool remove_mex (const std::string& fcn_name, octave_shlib& shl);

private:

  // No copying!

  octave_dynamic_loader (const octave_dynamic_loader&);

  octave_dynamic_loader& operator = (const octave_dynamic_loader&);

  static octave_dynamic_loader *instance;

  static bool instance_ok (void);

  octave_function *
  do_load_oct (const std::string& fcn_name,
                const std::string& file_name = std::string (),
                bool relative = false);

  octave_function *
  do_load_mex (const std::string& fcn_name,
                const std::string& file_name = std::string (),
                bool relative = false);

  bool do_remove_oct (const std::string& fcn_name, octave_shlib& shl);

  bool do_remove_mex (const std::string& fcn_name, octave_shlib& shl);

  static bool doing_load;

protected:

  static std::string name_mangler (const std::string& name);

  static std::string name_uscore_mangler (const std::string& name);

  static std::string mex_mangler (const std::string& name);

  static std::string mex_uscore_mangler (const std::string& name);

  static std::string mex_f77_mangler (const std::string& name);
};

#endif

/*
;;; Local Variables: ***
;;; mode: C++ ***
;;; End: ***
*/