specializes.h

//
// Copyright 2016 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.
//
#ifndef PXR_USD_USD_SPECIALIZES_H
#define PXR_USD_USD_SPECIALIZES_H
 
#include "pxr/pxr.h"
#include "pxr/usd/usd/api.h"
#include "pxr/usd/usd/common.h"
#include "pxr/usd/usd/prim.h"
 
#include "pxr/usd/sdf/declareHandles.h"
#include "pxr/usd/sdf/path.h"
 
PXR_NAMESPACE_OPEN_SCOPE
 
SDF_DECLARE_HANDLES(SdfPrimSpec);
 
class UsdSpecializes {
    friend class UsdPrim;
 
    explicit UsdSpecializes(const UsdPrim& prim) : _prim(prim) {}
 
public:
 
    USD_API
    bool AddSpecialize(const SdfPath &primPath,
               UsdListPosition position=UsdListPositionBackOfPrependList);
 
    USD_API
    bool RemoveSpecialize(const SdfPath &primPath);
 
    USD_API
    bool ClearSpecializes();
 
    USD_API
    bool SetSpecializes(const SdfPathVector& items);
 
    const UsdPrim &GetPrim() const { return _prim; }
    UsdPrim GetPrim() { return _prim; }
 
    explicit operator bool() { return bool(_prim); }
 
    // ---------------------------------------------------------------------- //
    // Private Methods and Members
    // ---------------------------------------------------------------------- //
private:
 
    UsdPrim _prim;
};
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif //PXR_USD_USD_SPECIALIZES_H