pymap.cpp

Go to the documentation of this file.

/** @file
 *  @author Bram de Greve (bramz@users.sourceforge.net)
 *  @author Tom De Muer (tomdemuer@users.sourceforge.net)
 *
 *  *** BEGIN LICENSE INFORMATION ***
 *  
 *  The contents of this file are subject to the Common Public Attribution License 
 *  Version 1.0 (the "License"); you may not use this file except in compliance with 
 *  the License. You may obtain a copy of the License at 
 *  http://lass.sourceforge.net/cpal-license. The License is based on the 
 *  Mozilla Public License Version 1.1 but Sections 14 and 15 have been added to cover 
 *  use of software over a computer network and provide for limited attribution for 
 *  the Original Developer. In addition, Exhibit A has been modified to be consistent 
 *  with Exhibit B.
 *  
 *  Software distributed under the License is distributed on an "AS IS" basis, WITHOUT 
 *  WARRANTY OF ANY KIND, either express or implied. See the License for the specific 
 *  language governing rights and limitations under the License.
 *  
 *  The Original Code is LASS - Library of Assembled Shared Sources.
 *  
 *  The Initial Developer of the Original Code is Bram de Greve and Tom De Muer.
 *  The Original Developer is the Initial Developer.
 *  
 *  All portions of the code written by the Initial Developer are:
 *  Copyright (C) 2004-2007 the Initial Developer.
 *  All Rights Reserved.
 *  
 *  Contributor(s):
 *
 *  Alternatively, the contents of this file may be used under the terms of the 
 *  GNU General Public License Version 2 or later (the GPL), in which case the 
 *  provisions of GPL are applicable instead of those above.  If you wish to allow use
 *  of your version of this file only under the terms of the GPL and not to allow 
 *  others to use your version of this file under the CPAL, indicate your decision by 
 *  deleting the provisions above and replace them with the notice and other 
 *  provisions required by the GPL License. If you do not delete the provisions above,
 *  a recipient may use your version of this file under either the CPAL or the GPL.
 *  
 *  *** END LICENSE INFORMATION ***
 */



#include "util_common.h"
#include "pymap.h"
#include "pyobject_macros.h"

namespace lass
{
namespace python
{
namespace impl
{
    PY_DECLARE_CLASS( PyMap )
    PY_CLASS_METHOD( PyMap, keys )
    PY_CLASS_METHOD( PyMap, values )

    bool PyMap::isInitialized = false;

    PyMappingMethods PyMap::pyMappingMethods = {
        (lenfunc)PyMap::PyMap_Length, /*mp_length*/
        (binaryfunc)PyMap::PyMap_Subscript, /*mp_subscript*/
        (objobjargproc)PyMap::PyMap_AssSubscript, /*mp_ass_subscript*/
    };

    void PyMap::initialize()
    {
        if (!isInitialized)
        {
            PyMap::_lassPyType.tp_as_mapping = &pyMappingMethods;
            PyMap::_lassPyType.tp_iter = (getiterfunc) &PyMap::PyMap_Iter;
#ifdef LASS_PYTHON_INHERITANCE_FROM_EMBEDDING
            // [TDM] for some reason the dict member is not getting properly initialized on PyMap?!
            // switch off inheritance
            //&reinterpret_cast<const volatile char&>((((s *)0)->m))
            PyMap::_lassPyType.tp_dictoffset = 0;
            PyMap::_lassPyType.tp_flags &= ~Py_TPFLAGS_BASETYPE;
#endif
            finalizePyType( PyMap::_lassPyType, *PyMap::_lassPyGetParentType(), PyMap::_lassPyMethods, 
                PyMap::_lassPyGetSetters, PyMap::_lassPyStatics, NULL, NULL);
            LASS_ENFORCE( PyType_Ready( &_lassPyType ) >= 0 );
            isInitialized = true;
        }
    }


    PyMap::PyMap() 
    {
        LASS_THROW( "PyMap needs a std::map to initialize" );
    }

    PyMap::~PyMap()
    {
        delete pimpl_;
    }
    

#pragma LASS_TODO("check the IPO for a PyMap type")

    Py_ssize_t PyMap::PyMap_Length( PyObject* iPO)
    {
        return static_cast<PyMap*>(iPO)->pimpl_->PyMap_Length();
    }

    PyObject* PyMap::PyMap_Subscript( PyObject* iPO, PyObject* iKey)
    {
        return static_cast<PyMap*>(iPO)->pimpl_->PyMap_Subscript(iKey);
    }

    int PyMap::PyMap_AssSubscript( PyObject* iPO, PyObject* iKey, PyObject* iValue)
    {
        return static_cast<PyMap*>(iPO)->pimpl_->PyMap_AssSubscript(iKey, iValue);
    }


    PyObject* PyMap::PyMap_Iter( PyObject* iPO)
    {
        return static_cast<PyMap*>(iPO)->pimpl_->PyMap_Iter();
    }


}

}

}