include/qore/QoreTypeSafeReferenceHelper.h (4311)

/* -*- mode: c++; indent-tabs-mode: nil -*- */
/*
  QoreTypeSafeReferenceHelper.h

  Qore Programming Language

  Copyright 2003 - 2011 David Nichols

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library 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
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

#ifndef _QORE_QORETYPESAFEREFERENCEHELPER_H

#define _QORE_QORETYPESAFEREFERENCEHELPER_H


class QoreTypeSafeReferenceHelper {
   private:
      DLLLOCAL QoreTypeSafeReferenceHelper(const QoreTypeSafeReferenceHelper&);

      DLLLOCAL QoreTypeSafeReferenceHelper& operator=(const QoreTypeSafeReferenceHelper&);

      DLLLOCAL void *operator new(size_t);

      struct qore_type_safe_ref_helper_priv_t *priv;

   public:

      DLLEXPORT QoreTypeSafeReferenceHelper(const ReferenceNode *ref, AutoVLock &vl, ExceptionSink *xsink);

      DLLEXPORT ~QoreTypeSafeReferenceHelper();


      DLLEXPORT operator bool() const;


      DLLEXPORT qore_type_t getType() const;


      DLLEXPORT AbstractQoreNode *getUnique(ExceptionSink *xsink);


      DLLEXPORT int assign(AbstractQoreNode *val, ExceptionSink *xsink);


      DLLEXPORT const AbstractQoreNode *getValue() const;

      DLLEXPORT void swap(QoreTypeSafeReferenceHelper &other);
};

#ifndef _QORE_LIB_INTERN
typedef QoreTypeSafeReferenceHelper ReferenceHelper;
#endif

#endif