// Reads a line in the script as a command.
protected virtual bool PerformCommand(string commandName, CommandParam parameters)
{
List <string> matchingFormats = new List <string>();
CommandParam newParams = null;
// Search for the correct command.
for (int i = 0; i < commands.Count; i++)
{
ScriptCommand command = commands[i];
if (command.HasName(commandName))
{
if (command.HasParameters(parameters, out newParams))
{
// Run the command.
command.Action(newParams);
return(true);
}
else
{
// Preemptively append the possible overloads to the error message.
for (int j = 0; j < command.ParameterOverloads.Count; j++)
{
matchingFormats.Add(command.Name + " " +
CommandParamParser.ToString(command.ParameterOverloads[j]));
}
}
}
}
// Throw an error because the command was not found.
if (matchingFormats.Count > 0)
{
Console.WriteLine(CommandParamParser.ToString(parameters));
string msg = "No matching overload found for the command " + commandName + "\n";
msg += "Possible overloads include:\n";
for (int i = 0; i < matchingFormats.Count; i++)
{
msg += " * " + matchingFormats[i];
if (i + 1 < matchingFormats.Count)
{
msg += "\n";
}
}
ThrowCommandParseError(msg);
}
else
{
ThrowCommandParseError(commandName + " is not a valid command");
}
return(false);
}