sortedIds.h

//
// Copyright 2017 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_IMAGING_HD_SORTED_IDS_H
#define PXR_IMAGING_HD_SORTED_IDS_H
 
#include "pxr/pxr.h"
#include "pxr/imaging/hd/api.h"
 
#include "pxr/usd/sdf/path.h"
 
PXR_NAMESPACE_OPEN_SCOPE
 
class Hd_SortedIds {
public:
    HD_API
    Hd_SortedIds();
 
    HD_API
    ~Hd_SortedIds() = default;
 
    HD_API
    Hd_SortedIds(Hd_SortedIds &&other);
 
    HD_API
    const SdfPathVector &GetIds();
 
    HD_API
    void Insert(const SdfPath &id);
 
    HD_API
    void Remove(const SdfPath &id);
 
    HD_API
    void RemoveRange(size_t start, size_t end);
 
    HD_API
    void Clear();
 
private:
    SdfPathVector           _ids;
    size_t                  _sortedCount;
    ptrdiff_t               _afterLastDeletePoint;
 
    void _InsertSort();
    void _FullSort();
    void _Sort();
 
    Hd_SortedIds(const Hd_SortedIds &) = delete;
    Hd_SortedIds &operator =(const Hd_SortedIds &) = delete;
};
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif // PXR_IMAGING_HD_SORTED_IDS_H