private CommandRunData GetCommandRunData(ConsoleCommandInfo info, string[] args, OptionSet options)
{
IConsoleCommand command;
try
{
command = info.Instance ?? (IConsoleCommand)info.CommandType.Resolve();
}
catch (Exception e)
{
e.SetContext("commandInfo", info);
throw;
}
var errors = new List <string>();
var commandArgs = new Dictionary <Arg, object>();
var validators = new List <IValidatable> {
command
};
var setterUppers = new List <ISetupAndCleanup>();
command.As <ISetupAndCleanup>(setterUppers.Add);
LoadArgs(options, validators, setterUppers, command, commandArgs);
bool showHelp = false;
if (options != null)
{
options.Add(HelpCommand.Prototype, "show this message and exit", a => showHelp = true);
try
{
command.ExtraArgs = options.Parse(args.Skip(1));
if (showHelp)
{
return(new CommandRunData {
Command = HelpCommand.ForCommand(info, command)
});
}
}
catch (Exception e)
{
Log.Error(e.Dump());
errors = new List <string> {
e.Message
};
}
}
errors.AddRange(validators.OrderBy(v => v is IConsoleCommand)
.SelectMany(v => v.GetArgValidationErrors()));
errors.AddRange(from arg in commandArgs
where arg.Key.ArgAttribute.Required
let value = arg.Key.PropertyInfo.GetValue(arg.Value, null)
where value == null
select arg.Key.ArgAttribute.FirstPrototype + " is required");
if (errors.Count > 0)
{
return(new CommandRunData
{
Command = HelpCommand.ForCommand(info, command),
Errors = errors
});
}
return(new CommandRunData {
Command = command, SetterUppers = setterUppers
});
}
public CommandRunData LoadCommand(string[] args)
{
var optionPrefixes = new[] { '/', '-' };
ConsoleCommandInfo info = null;
if (args.IsNullOrEmpty() || string.IsNullOrEmpty(args[0]))
{
CommandsByType.TryGetValue(Config.DefaultCommand, out info);
if (info != null)
{
args = new[] { info.Attribute.FirstPrototype }.Union(args).ToArray();
}
}
var commandName = args[0].Trim();
if (optionPrefixes.Any(p => p == commandName[0]))
{
//did the user type /help first?
if (CommandsByName.TryGetValue(commandName.Substring(1), out info) &&
info == CommandsByType[typeof(HelpCommand)])
{
commandName = commandName.TrimStart(optionPrefixes);
}
else
{
CommandsByType.TryGetValue(Config.DefaultCommand, out info);
if (info != null)
{
args = new[] { info.Attribute.FirstPrototype }.Union(args).ToArray();
}
}
}
var options = new OptionSet();
if (info != null || CommandsByName.TryGetValue(commandName, out info))
{
if (info.CommandType == typeof(HelpCommand))
{
ConsoleCommandInfo infoForHelp;
if (args.Length > 1 &&
CommandsByName.TryGetValue(args[1].TrimStart(optionPrefixes), out infoForHelp))
{
var instance = (IConsoleCommand)infoForHelp.CommandType.Resolve();
return(new CommandRunData {
Command = HelpCommand.ForCommand(infoForHelp, instance)
});
}
return(new CommandRunData {
Command = HelpCommand.ForCommands(Commands)
});
}
return(GetCommandRunData(info, args, options));
}
Writer.WriteLine("Unknown command: " + commandName);
return(new CommandRunData {
Command = HelpCommand.ForCommands(Commands)
});
}