PythonQtMisc.h

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#ifndef _PYTHONQTMISC_H
#define _PYTHONQTMISC_H
 
/*
 *
 *  Copyright (C) 2010 MeVis Medical Solutions AG All Rights Reserved.
 *
 *  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.
 *
 *  Further, this software is distributed without any warranty that it is
 *  free of the rightful claim of any third person regarding infringement
 *  or the like.  Any license provided herein, whether implied or
 *  otherwise, applies only to this software file.  Patent licenses, if
 *  any, provided herein do not apply to combinations of this program with
 *  other software, or any other product whatsoever.
 *
 *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *  Contact information: MeVis Medical Solutions AG, Universitaetsallee 29,
 *  28359 Bremen, Germany or:
 *
 *  http://www.mevis.de
 *
 */
 
//----------------------------------------------------------------------------------
//----------------------------------------------------------------------------------
 
#include "PythonQtPythonInclude.h"
#include <vector>
#include <QVariant>
 
#define PYTHONQT_MAX_ARGS 32
 
#define PythonQtArgumentFrame_ADD_VALUE(store, type, value, ptr) \
  { \
    type* item = (type*)store->nextPODPtr(); \
    *item = value; \
    ptr = (void*)item; \
  }
 
#define PythonQtArgumentFrame_ADD_VALUE_IF_NEEDED(alreadyAllocatedPtr, store, type, value, ptr) \
  { \
    type* item = (type*)(alreadyAllocatedPtr ? alreadyAllocatedPtr : store->nextPODPtr()); \
    *item = value; \
    ptr = (void*)item; \
  }
 
#define PythonQtArgumentFrame_ADD_VARIANT_VALUE(store, value, ptr) \
  { \
    QVariant* item = store->nextVariantPtr(); \
    *item = value; \
    ptr = (void*)item; \
  }
 
#if QT_VERSION >= 0x060000
 
  #define PythonQtArgumentFrame_ADD_VARIANT_VALUE_BY_ID(store, id, ptr) \
    PythonQtArgumentFrame_ADD_VARIANT_VALUE(store, QVariant(QMetaType(id)), ptr)
 
#else
 
  #define PythonQtArgumentFrame_ADD_VARIANT_VALUE_BY_ID(store, id, ptr) \
    PythonQtArgumentFrame_ADD_VARIANT_VALUE(store, QVariant::Type(id), ptr)
 
#endif
 
#define PythonQtArgumentFrame_ADD_VARIANT_VALUE_IF_NEEDED(alreadyAllocatedPtr, store, value, ptr) \
  { \
    QVariant* item = (QVariant*)(alreadyAllocatedPtr ? alreadyAllocatedPtr : store->nextVariantPtr()); \
    *item = value; \
    ptr = (void*)item; \
  }
 
#if QT_VERSION >= 0x060000
 
  #define PythonQtArgumentFrame_ADD_VARIANT_VALUE_BY_ID_IF_NEEDED(alreadyAllocatedPtr, store, id, ptr) \
    PythonQtArgumentFrame_ADD_VARIANT_VALUE_IF_NEEDED(alreadyAllocatedPtr, store, QVariant(QMetaType(id)), ptr)
 
#else
 
  #define PythonQtArgumentFrame_ADD_VARIANT_VALUE_BY_ID_IF_NEEDED(alreadyAllocatedPtr, store, id, ptr) \
    PythonQtArgumentFrame_ADD_VARIANT_VALUE_IF_NEEDED(alreadyAllocatedPtr, store, QVariant::Type(id), ptr)
 
#endif
 
class PythonQtArgumentFrame
{
 
public:
  static PythonQtArgumentFrame* newFrame();
  static void deleteFrame(PythonQtArgumentFrame* frame);
 
  static void cleanupFreeList();
 
  void reset();
 
  QVariant* nextVariantPtr();
  quint64* nextPODPtr();
 
private:
  PythonQtArgumentFrame();
  ~PythonQtArgumentFrame();
 
  std::vector<quint64> _podArgs;
  std::vector<QVariant> _variantArgs;
 
  PythonQtArgumentFrame* _freeListNext;
 
  static PythonQtArgumentFrame* _freeListHead;
};
 
#endif