mapContainerDataSource.h

//
// Copyright 2022 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://openusd.org/license.
//
#ifndef PXR_IMAGING_HD_MAP_CONTAINER_DATA_SOURCE_H
#define PXR_IMAGING_HD_MAP_CONTAINER_DATA_SOURCE_H
 
#include "pxr/imaging/hd/dataSource.h"
 
PXR_NAMESPACE_OPEN_SCOPE
 
class HdMapContainerDataSource : public HdContainerDataSource
{
public:
    HD_DECLARE_DATASOURCE(HdMapContainerDataSource);
 
    using ValueFunction =
        std::function<HdDataSourceBaseHandle(const HdDataSourceBaseHandle &)>;
 
    HD_API
    ~HdMapContainerDataSource() override;
 
    HD_API
    TfTokenVector GetNames() override;
    HD_API
    HdDataSourceBaseHandle Get(const TfToken &name) override;
private:
    HD_API
    HdMapContainerDataSource(
        const ValueFunction &f,
        const HdContainerDataSourceHandle &src);
 
    ValueFunction _f;
    
    HdContainerDataSourceHandle _src;
};
 
HD_DECLARE_DATASOURCE_HANDLES(HdMapContainerDataSource);
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif