public override bool TryParse(string[] rawArgs, out VfsCasConfiguration arguments)
{
var cli = new CommandLineUtilities(rawArgs);
var config = new VfsCasConfiguration.Builder();
Dictionary <string, OptionHandler> handlers = new OptionHandler[]
{
new OptionHandler(new[] { "serverPort", "sp" }, opt => config.ServerGrpcPort = (int)ParseUInt32Option(opt, 0, ushort.MaxValue)),
new OptionHandler(new[] { "backingPort", "bp" }, opt => config.BackingGrpcPort = (int)ParseUInt32Option(opt, 0, ushort.MaxValue)),
new OptionHandler(new[] { "root" }, opt => config.RootPath = new AbsolutePath(ParsePathOption(opt))),
new OptionHandler(new[] { "cacheName" }, opt => config.CacheName = ParseStringOption(opt)),
new OptionHandler(new[] { "scenario" }, opt => config.Scenario = ParseStringOption(opt), required: false),
new OptionHandler(new[] { "virtualizationMount", "vm" }, opt =>
{
var kvp = ParseKeyValuePair(opt);
config.VirtualizationMounts[kvp.Key] = new AbsolutePath(GetFullPath(kvp.Value, opt));
},
required: false),
}
.SelectMany(handler => handler.Names.Select(name => (name, handler)))
.ToDictionary(t => t.name, t => t.handler, StringComparer.OrdinalIgnoreCase);
foreach (var opt in cli.Options)
{
if (opt.Name == "?" || opt.Name == "help")
{
// TODO: Help text
}
if (handlers.TryGetValue(opt.Name, out var handler))
{
handler.Handle(opt);
handler.Occurrences++;
}
else
{
throw new InvalidArgumentException($"Unrecognized option {opt.Name}");
}
}
foreach (var handler in handlers.Values.Where(h => h.Occurrences == 0 && h.Required))
{
throw new InvalidArgumentException($"Option '{handler.Names[0]}' is required.");
}
arguments = config.Build();
return(true);
}