//
// Copyright 2018 Pixar
//
// Licensed under the Apache License, Version 2.0 (the "Apache License")
// with the following modification; you may not use this file except in
// compliance with the Apache License and the following modification to it:
// Section 6. Trademarks. is deleted and replaced with:
//
// 6. Trademarks. This License does not grant permission to use the trade
//    names, trademarks, service marks, or product names of the Licensor
//    and its affiliates, except as required to comply with Section 4(c) of
//    the License and to reproduce the content of the NOTICE file.
//
// You may obtain a copy of the Apache License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the Apache License with the above modification is
// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the Apache License for the specific
// language governing permissions and limitations under the Apache License.
//

#include "pxr/pxr.h"
#include "pxr/usd/ndr/node.h"
#include "pxr/usd/ndr/nodeDiscoveryResult.h"
#include "pxr/usd/sdr/shaderNode.h"
#include "pxr/usd/plugin/sdrOsl/oslParser.h"

#include <boost/python.hpp>

using namespace boost::python;

PXR_NAMESPACE_USING_DIRECTIVE

// Expose the unique_ptr returned from `Parse()` as a raw ptr. The Python side
// will be responsible for managing this object.
static SdrShaderNodePtr
_Parse(SdrOslParserPlugin& self, const NdrNodeDiscoveryResult& discoveryResult)
{
    return dynamic_cast<SdrShaderNodePtr>(
        self.Parse(discoveryResult).release()
    );
}

// Note that this parser is only wrapped for testing purposes. In real-world
// scenarios, it should not be used directly.
void wrapOslParser()
{
    typedef SdrOslParserPlugin This;

    return_value_policy<copy_const_reference> copyRefPolicy;

    class_<This, boost::noncopyable>("OslParser")
        .def("Parse", &_Parse, return_value_policy<manage_new_object>())
        .def("GetDiscoveryTypes", &This::GetDiscoveryTypes, copyRefPolicy)
        .def("GetSourceType", &This::GetSourceType, copyRefPolicy)
        ;
}