create/src/Mod/Part/App/TopoShapeCompSolidPyImp.cpp

/***************************************************************************
 *   Copyright (c) 2008 Jürgen Riegel <juergen.riegel@web.de>              *
 *                                                                         *
 *   This file is part of the FreeCAD CAx development system.              *
 *                                                                         *
 *   This library is free software; you can redistribute it and/or         *
 *   modify it under the terms of the GNU Library General Public           *
 *   License as published by the Free Software Foundation; either          *
 *   version 2 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 Library General Public License for more details.                  *
 *                                                                         *
 *   You should have received a copy of the GNU Library General Public     *
 *   License along with this library; see the file COPYING.LIB. If not,    *
 *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
 *   Suite 330, Boston, MA  02111-1307, USA                                *
 *                                                                         *
 ***************************************************************************/

#include "PreCompiled.h"

#ifndef _PreComp_
# include <BRep_Builder.hxx>
# include <Standard_Failure.hxx>
# include <TopoDS.hxx>
# include <TopoDS_CompSolid.hxx>
#endif

#include "OCCError.h"
#include "PartPyCXX.h"

// inclusion of the generated files (generated out of TopoShapeCompSolidPy.xml)
#include "TopoShapeCompSolidPy.h"
#include "TopoShapeCompSolidPy.cpp"
#include "TopoShapeSolidPy.h"
#include "TopoShapeOpCode.h"


using namespace Part;

// returns a string which represents the object e.g. when printed in python
std::string TopoShapeCompSolidPy::representation() const
{
    std::stringstream str;
    str << "<CompSolid object at " << getTopoShapePtr() << ">";

    return str.str();
}

PyObject *TopoShapeCompSolidPy::PyMake(struct _typeobject *, PyObject *, PyObject *)
{
    return new TopoShapeCompSolidPy(new TopoShape);
}

int TopoShapeCompSolidPy::PyInit(PyObject* args, PyObject* /*kwd*/)
{
    if (PyArg_ParseTuple(args, "")) {
        // Undefined CompSolid
        getTopoShapePtr()->setShape(TopoDS_CompSolid());
        return 0;
    }

    PyErr_Clear();
    PyObject* pcObj;
    if (!PyArg_ParseTuple(args, "O", &pcObj)) {
        return -1;
    }
#ifdef FC_USE_TNP_FIX
    try {
        getTopoShapePtr()->makeElementBoolean(Part::OpCodes::Compsolid, getPyShapes(pcObj));
    }
    _PY_CATCH_OCC(return (-1))
#else
    BRep_Builder builder;
    TopoDS_CompSolid Comp;
    builder.MakeCompSolid(Comp);

    try {
        Py::Sequence list(pcObj);
        for (Py::Sequence::iterator it = list.begin(); it != list.end(); ++it) {
            if (PyObject_TypeCheck((*it).ptr(), &(Part::TopoShapeSolidPy::Type))) {
                const TopoDS_Shape& sh =
                    static_cast<TopoShapePy*>((*it).ptr())->getTopoShapePtr()->getShape();
                if (!sh.IsNull()) {
                    builder.Add(Comp, sh);
                }
            }
        }
    }
    catch (Standard_Failure& e) {

        PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
        return -1;
    }

    getTopoShapePtr()->setShape(Comp);
#endif
    return 0;
}

PyObject* TopoShapeCompSolidPy::add(PyObject* args)
{
    PyObject* obj;
    if (!PyArg_ParseTuple(args, "O!", &(Part::TopoShapeSolidPy::Type), &obj)) {
        return nullptr;
    }

    BRep_Builder builder;
    TopoDS_Shape comp = getTopoShapePtr()->getShape();
    if (comp.IsNull()) {
        builder.MakeCompSolid(TopoDS::CompSolid(comp));
    }
    auto shapes = getPyShapes(obj);

    try {
        for (auto& ts : shapes) {
            if (!ts.isNull()) {
                builder.Add(comp, ts.getShape());
            }
            else {
                Standard_Failure::Raise("Cannot empty shape to compound solid");
            }
        }
#ifdef FC_USE_TNP_FIX
        auto& self = *getTopoShapePtr();
        shapes.push_back(self);
        TopoShape tmp(self.Tag, self.Hasher, comp);
        tmp.mapSubElement(shapes);
        self = tmp;
#else
        getTopoShapePtr()->setShape(comp);
#endif
        Py_Return;
    }
    catch (Standard_Failure& e) {

        PyErr_SetString(PartExceptionOCCError, e.GetMessageString());
        return nullptr;
    }
}

PyObject *TopoShapeCompSolidPy::getCustomAttributes(const char* /*attr*/) const
{
    return nullptr;
}

int TopoShapeCompSolidPy::setCustomAttributes(const char* /*attr*/, PyObject* /*obj*/)
{
    return 0;
}