/// <summary>
/// Converts an <see cref="IMetadataReference"/> to a <see cref="MetadataReference"/> instance.
/// </summary>
/// <param name="metadataReference">The <see cref="IMetadataReference"/> to convert.</param>
/// <param name="assemblyMetadataFactory">Factory invoked to get instances of <see cref="AssemblyMetadata"/>.</param>
/// <returns>The converted <see cref="MetadataReference"/>.</returns>
public static MetadataReference ConvertMetadataReference(
this IMetadataReference metadataReference,
Func <IMetadataFileReference, AssemblyMetadata> assemblyMetadataFactory)
{
var roslynReference = metadataReference as IRoslynMetadataReference;
if (roslynReference != null)
{
return(roslynReference.MetadataReference);
}
var embeddedReference = metadataReference as IMetadataEmbeddedReference;
if (embeddedReference != null)
{
return(MetadataReference.CreateFromImage(embeddedReference.Contents));
}
var fileMetadataReference = metadataReference as IMetadataFileReference;
if (fileMetadataReference != null)
{
var metadata = assemblyMetadataFactory(fileMetadataReference);
return(metadata.GetReference(filePath: fileMetadataReference.Path));
}
var projectReference = metadataReference as IMetadataProjectReference;
if (projectReference != null)
{
using (var ms = new MemoryStream())
{
projectReference.EmitReferenceAssembly(ms);
return(MetadataReference.CreateFromStream(ms, filePath: projectReference.ProjectPath));
}
}
throw new NotSupportedException($"Unsupported type '{metadataReference.GetType()}'.");
}
