public AppliedCommand(ICommand command, IEnumerable<ICommand> arguments)
{
internCommand = command;
internArguments = arguments;
}
// TODO: test if command does not exist public void RemoveCommand(ICommand command) => commands.Remove(commands.FirstOrDefault(kvp => kvp.Value == command).Key);
public LazyCommand(ICommand innerCommandArg)
{
innerCommand = innerCommandArg;
}
public void AddCommand(string name, ICommand command) => commands.Add(name, command);
// TODO: prevent stupid behaviour like:
// string A(int b)
// string A(ExecutionInformation i, int b)
// since the CommandManager can't distinguish these two, when calling
private void LoadCommand(BotCommand com) // TODO test
{
if (!CommandNamespaceValidator.IsMatch(com.InvokeName))
{
throw new InvalidOperationException("BotCommand has an invalid invoke name: " + com.InvokeName);
}
if (CommandPaths.Contains(com.FullQualifiedName))
{
throw new InvalidOperationException("Command already exists: " + com.InvokeName);
}
CommandPaths.Add(com.FullQualifiedName);
var comPath = com.InvokeName.Split(' ');
CommandGroup group = CommandSystem.RootCommand;
// this for loop iterates through the seperate names of
// the command to be added.
for (int i = 0; i < comPath.Length - 1; i++)
{
ICommand currentCommand = group.GetCommand(comPath[i]);
// if a group to hold the next level command doesn't exist
// it will be created here
if (currentCommand == null)
{
var nextGroup = new CommandGroup();
group.AddCommand(comPath[i], nextGroup);
group = nextGroup;
}
// if the group already exists we can take it.
else if (currentCommand is CommandGroup)
{
group = (CommandGroup)currentCommand;
}
// if the element is anything else, we have to replace it
// with a group and put the old element back into it.
else if (currentCommand is FunctionCommand)
{
var subGroup = new CommandGroup();
group.RemoveCommand(comPath[i]);
group.AddCommand(comPath[i], subGroup);
var botCom = currentCommand as BotCommand;
if (botCom != null && botCom.NormalParameters > 0)
{
Log.Write(Log.Level.Warning, "\"{0}\" has at least one parameter and won't be reachable due to an overloading function.", botCom.InvokeName);
}
subGroup.AddCommand(string.Empty, currentCommand);
group = subGroup;
}
else
{
throw new InvalidOperationException("An overloaded command cannot be replaced by a CommandGroup: " + com.InvokeName);
}
}
ICommand subCommand = group.GetCommand(comPath.Last());
// the group we are trying to insert has no element with the current
// name, so just insert it
if (subCommand == null)
{
group.AddCommand(comPath.Last(), com);
return;
}
// if we have a simple function, we need to create a overlaoder
// and then add both functions to it
else if (subCommand is FunctionCommand)
{
group.RemoveCommand(comPath.Last());
var overloader = new OverloadedFunctionCommand();
overloader.AddCommand((FunctionCommand)subCommand);
overloader.AddCommand(com);
group.AddCommand(comPath.Last(), overloader);
}
// if we have a overloaded function, we can simply add it
else if (subCommand is OverloadedFunctionCommand)
{
var insertCommand = (OverloadedFunctionCommand)subCommand;
insertCommand.AddCommand(com);
}
// to add a command to CommandGroup will have to treat it as a subcommand
// with an empty string as a name
else if (subCommand is CommandGroup)
{
var insertCommand = (CommandGroup)subCommand;
var noparamCommand = insertCommand.GetCommand(string.Empty);
if (noparamCommand == null)
{
insertCommand.AddCommand(string.Empty, com);
if (com.NormalParameters > 0)
{
Log.Write(Log.Level.Warning, "parameter of an empty named function under a group will be ignored!!");
}
}
else
{
throw new InvalidOperationException("An empty named function under a group cannot be overloaded (" + com.InvokeName + ")");
}
}
else
{
throw new InvalidOperationException("Unknown insertion error with " + com.FullQualifiedName);
}
}
