public static ModuleDefinition DiscoverModules(this ComposablePartCatalog catalog)
{
var rootModules = new CompositionContainer(catalog, CompositionOptions.DisableSilentRejection).GetExportedValues <IRootModule>();
if (rootModules == null || !rootModules.Any())
{
return new ModuleDefinition {
Catalog = catalog, ExplicitExports = _ => { }
}
}
;
var defs = rootModules
.SelectMany(m => m.GetModules().EmptyIfNull())
.Where(m => m != null)
.SelectMany(m => m.GetDefinition())
.ToList();
return(new ModuleDefinition
{
Catalog = new AggregateCatalog(defs.Select(d => d.Catalog).Where(c => c != null).StartWith(catalog)),
ExplicitExports = b => defs.ForEach(d => d.ComposeExplicit(b))
});
}
}