relationship.h

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/*
 * This file is part of sphgeom.
 *
 * Developed for the LSST Data Management System.
 * This product includes software developed by the LSST Project
 * (http://www.lsst.org).
 * See the COPYRIGHT file at the top-level directory of this distribution
 * for details of code ownership.
 *
 * This software is dual licensed under the GNU General Public License and also
 * under a 3-clause BSD license. Recipients may choose which of these licenses
 * to use; please see the files gpl-3.0.txt and/or bsd_license.txt,
 * respectively.  If you choose the GPL option then the following text applies
 * (but note that there is still no warranty even if you opt for BSD instead):
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef LSST_SPHGEOM_PYTHON_RELATIONSHIP_H_
#define LSST_SPHGEOM_PYTHON_RELATIONSHIP_H_
 
#include "pybind11/pybind11.h"
 
#include "../Relationship.h"
 
namespace pybind11 {
namespace detail {

template <>
struct type_caster<lsst::sphgeom::Relationship> {
public:
    // Declare a local variable `value` of type lsst::sphgeom::Relationship,
    // and describe the Relationship type as an "int" in pybind11-generated
    // docstrings.
    PYBIND11_TYPE_CASTER(lsst::sphgeom::Relationship, _("int"));
 
    // Convert a Python object to an lsst::sphgeom::Relationship.
    bool load(handle src, bool) {
        value = lsst::sphgeom::Relationship(src.cast<unsigned long long>());
        return true;
    }
 
    // Convert an lsst::sphgeom::Relationship to a Python integer.
    static handle cast(lsst::sphgeom::Relationship src, return_value_policy,
                       handle) {
        return PyLong_FromUnsignedLong(src.to_ulong());
    }
};
 
}  // detail
}  // pybind11
 
#endif  // LSST_SPHGEOM_PYTHON_RELATIONSHIP_H_