public override void Execute(IEnumerable <string> args)
{
var showHelp = false;
var input = new OptionSet {
{ "h|?|help", value => showHelp = true },
{ "x|experimental", value => Log.EnableExperimental = true },
{ "anim", value => Log.EnableAnimation = true },
{ "no-anim", value => Log.EnableAnimation = false },
{ "trace", value => Log.EnableTrace = true },
{ "v", value => Log.Level++ }
}.Parse(args);
// Implicit help when no input
if (input.Count == 0)
{
Help(input);
return;
}
var cmdName = input.First();
var cmd = _commands.FirstOrDefault(value => value.Name == cmdName);
// Fuzzy COMMAND finder
if (cmd == null && !string.IsNullOrEmpty(cmdName) && cmdName[0] != '-')
{
foreach (var c in _commands)
{
if ((!c.IsExperimental || Log.EnableExperimental) &&
c.Name.StartsWith(cmdName, StringComparison.InvariantCulture))
{
if (cmd != null)
{
cmd = null;
break;
}
cmd = c;
}
}
}
if (cmd == null)
{
var showVersion = false;
var showCmdRef = false;
new OptionSet {
{ "version", value => showVersion = true },
{ "cmd-ref", value => showCmdRef = true }
}.Parse(input);
if (showVersion)
{
WriteProductInfo();
return;
}
if (showCmdRef)
{
WritePage();
foreach (var e in _commands.Where(value => value.Description != null))
{
WritePage(e.Name, "--help");
}
return;
}
var thing = cmdName.StartsWith('-')
? "option"
: "command";
throw new ArgumentException(cmdName.Quote() + $" is not a valid {thing} -- see \"uno --help\" for a list of {thing}s");
}
if (showHelp)
{
cmd.Help(input.Skip(1));
}
else
{
cmd.Execute(input.Skip(1));
}
ExitCode = cmd.ExitCode ?? Log.ErrorCount;
}
