public static StreamContext FromSource(Uri source)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
// Look for native providers (file, res, iso, mem, stream)
if (source.IsAbsoluteUri)
{
switch (source.Scheme)
{
case "file":
return(new FileSystemStreamContext(source, null));
case "data":
return(new DataStreamContext(source));
case "invalid":
return(StreamContext.Invalid);
case "null":
return(StreamContext.Null);
case "stdout":
// TODO Consider implementing an alternative using Console stream
return(new StreamStreamContext(new Uri("stdout://"),
Console.OpenStandardOutput(),
Console.OutputEncoding));
case "stderr":
return(new StreamStreamContext(new Uri("stderr://"),
Console.OpenStandardError(),
Console.OutputEncoding));
case "stdin":
return(new StreamStreamContext(new Uri("stdin://"),
Console.OpenStandardInput(),
Console.InputEncoding));
case "stream":
throw RuntimeFailure.ForbiddenStreamStreamContext();
case "https":
case "http":
return(new HttpClientStreamContext(source));
default:
throw RuntimeFailure.StreamContextUriSchemeNotSupported();
}
}
else
{
// Relative URIs must be handled in this way
return(FromFile(source.ToString()));
}
}
