filesystemDiscoveryHelpers.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_HELPERS_H
#define PXR_USD_SDR_FILESYSTEM_DISCOVERY_HELPERS_H
 
 
#include "pxr/pxr.h"
#include "pxr/usd/sdr/api.h"
#include "pxr/usd/sdr/declare.h"
#include "pxr/usd/ndr/filesystemDiscoveryHelpers.h"
#include "pxr/usd/sdr/shaderNodeDiscoveryResult.h"
 
#include <functional>
 
PXR_NAMESPACE_OPEN_SCOPE
 
class SdrDiscoveryPluginContext;
 
 
using SdrParseIdentifierFn = std::function<
    bool (const TfToken &identifier, 
          TfToken *family,
          TfToken *name,
          SdrVersion *version)>;
 
SDR_API 
bool
SdrFsHelpersSplitShaderIdentifier(
    const TfToken &identifier, 
    TfToken *family,
    TfToken *name,
    SdrVersion *version);
 
SDR_API
SdrShaderNodeDiscoveryResultVec
SdrFsHelpersDiscoverShaderNodes(
    const SdrStringVec& searchPaths,
    const SdrStringVec& allowedExtensions,
    bool followSymlinks = true,
    const SdrDiscoveryPluginContext* context = nullptr,
    const SdrParseIdentifierFn &parseIdentifierFn = 
        SdrFsHelpersSplitShaderIdentifier
);
 
struct SdrDiscoveryUri 
{
    std::string uri;
    std::string resolvedUri;
};
 
using SdrDiscoveryUriVec = std::vector<SdrDiscoveryUri>;
 
SDR_API
SdrDiscoveryUriVec
SdrFsHelpersDiscoverFiles(
    const SdrStringVec& searchPaths,
    const SdrStringVec& allowedExtensions,
    bool followSymlinks = true
);
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif // PXR_USD_SDR_FILESYSTEM_DISCOVERY_HELPERS_H