filesystemDiscovery.h

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//
// Copyright 2025 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://openusd.org/license.
//
 
#ifndef PXR_USD_SDR_FILESYSTEM_DISCOVERY_H
#define PXR_USD_SDR_FILESYSTEM_DISCOVERY_H
 
 
#include "pxr/pxr.h"
#include "pxr/usd/sdr/filesystemDiscoveryHelpers.h"
#include "pxr/usd/sdr/api.h"
#include "pxr/usd/sdr/discoveryPlugin.h"
#include <functional>
 
PXR_NAMESPACE_OPEN_SCOPE
 
TF_DECLARE_WEAK_AND_REF_PTRS(_SdrFilesystemDiscoveryPlugin);
 
class _SdrFilesystemDiscoveryPlugin final : public SdrDiscoveryPlugin {
public:
    using Filter = std::function<bool(SdrShaderNodeDiscoveryResult&)>;
 
    SDR_API
    _SdrFilesystemDiscoveryPlugin();
 
    SDR_API
    _SdrFilesystemDiscoveryPlugin(Filter filter);
 
    SDR_API
    ~_SdrFilesystemDiscoveryPlugin() {}
 
    SDR_API
    SdrShaderNodeDiscoveryResultVec DiscoverShaderNodes(
        const Context&) override;
 
    SDR_API
    const SdrStringVec& GetSearchURIs() const override { return _searchPaths; }
 
private:
    SdrStringVec _searchPaths;
 
    SdrStringVec _allowedExtensions;
 
    bool _followSymlinks;
 
    // The filter to run on the results.
    Filter _filter;
};
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif // PXR_USD_SDR_FILESYSTEM_DISCOVERY_H