static Stream ParseStream(Port port, string streamString)
{
string[] details = streamString.Split('=');
switch (details.Length)
{
case 1:
Path path = new Path(details[0]);
string name = port.GetName(path);
return name == null ? new Stream(path) : new Stream(path, name);
case 2: return new Stream(new Path(details[0]), details[1]);
default: throw new ArgumentException("streamString");
}
}
static IEnumerable<Stream> GetStreams(Port port, string[] portString)
{
switch (portString.Length)
{
case 1:
return
(
from path in port.ValidPaths
let name = port.GetName(path)
select name == null ? new Stream(path) : new Stream(path, name)
)
.ToArray();
case 2:
return
(
from range in portString[1].Split(',')
from stream in ParseRange(port, range)
select stream
)
.ToArray();
default: throw new ArgumentException("portString");
}
}