static public async Task <Node> EvaluateAsync(
string hl,
FileService fileService = null,
FolderService folderService = null,
StreamService streamService = null)
{
var services = Initialize(fileService, folderService, streamService);
var lambda = new Parser(hl).Lambda();
var signaler = services.GetService(typeof(ISignaler)) as ISignaler;
await signaler.SignalAsync("eval", lambda);
return(lambda);
}
static IServiceProvider Initialize(
FileService fileService = null,
FolderService folderService = null,
StreamService streamService = null)
{
var configuration = new ConfigurationBuilder().Build();
var services = new ServiceCollection();
services.AddTransient <IConfiguration>((svc) => configuration);
services.AddTransient <ISignaler, Signaler>();
if (fileService == null)
{
services.AddTransient <IFileService, file.services.FileService>();
}
else
{
services.AddTransient <IFileService>(svc => fileService);
}
if (folderService == null)
{
services.AddTransient <IFolderService, folder.services.FolderService>();
}
else
{
services.AddTransient <IFolderService>(svc => folderService);
}
if (streamService == null)
{
services.AddTransient <IStreamService, stream.services.StreamService>();
}
else
{
services.AddTransient <IStreamService>(svc => streamService);
}
services.AddTransient <IRootResolver, RootResolver>();
var types = new SignalsProvider(InstantiateAllTypes <ISlot>(services));
services.AddTransient <ISignalsProvider>((svc) => types);
var provider = services.BuildServiceProvider();
return(provider);
}
