string
SdfComputeAssetPathRelativeToLayer(
const SdfLayerHandle& anchor,
const string& assetPath)
{
if (not anchor) {
TF_CODING_ERROR("Invalid anchor layer");
return string();
}
if (assetPath.empty()) {
TF_CODING_ERROR("Layer path is empty");
return string();
}
TRACE_FUNCTION();
ArResolver& resolver = ArGetResolver();
// Relative paths are resolved using the look-here-first scheme, in
// which we first look relative to the layer, then fall back to search
// path resolution.
string finalLayerPath = anchor->ComputeAbsolutePath(assetPath);
if (not SdfLayer::IsAnonymousLayerIdentifier(finalLayerPath)) {
if (resolver.IsSearchPath(assetPath) and
resolver.Resolve(finalLayerPath).empty())
return assetPath;
}
return finalLayerPath;
}
