public IDictionary <IMetadataMember, MetadataToken> UnlockMetadata(IMetadataBuilder builder)
{
if (!IsLocked)
{
throw new InvalidOperationException("Cannot unlock the metadata if it has not already been locked.");
}
var image = Image;
// Construct new metadata streams.
var buffer = builder.Rebuild(image);
// Create resources.
NetDirectory.ResourcesManifest = buffer.ResourcesBuffer.CreateDirectory();
// Serialize new streams.
var newStreams = new MetadataStreamBuffer[]
{
buffer.TableStreamBuffer,
buffer.BlobStreamBuffer,
buffer.GuidStreamBuffer,
buffer.StringStreamBuffer,
buffer.UserStringStreamBuffer
}.ToDictionary(x => x, x => x.CreateStream());
// Determine new entrypoint token.
var newTokenMapping = buffer.TableStreamBuffer.GetNewTokenMapping();
uint entrypointToken;
if (image.ManagedEntrypoint == null)
{
entrypointToken = 0u;
}
else
{
if (newTokenMapping.TryGetValue(image.ManagedEntrypoint, out var token))
{
entrypointToken = token.ToUInt32();
}
else
{
throw new MemberNotImportedException(image.ManagedEntrypoint);
}
}
// Unlock metadata, commit changes to streams.
Image = null;
foreach (var entry in newStreams)
{
var header = StreamHeaders.FirstOrDefault(x => x.Name == entry.Key.Name);
if (header == null)
{
header = new MetadataStreamHeader(entry.Key.Name);
StreamHeaders.Add(header);
}
header.Stream = entry.Value;
}
// Update managed entrypoint.
NetDirectory.EntryPointToken = entrypointToken;
return(newTokenMapping);
}
