public static Boolean Check(Command command, InputBuffer input)
{
if (command == null) throw new ArgumentNullException("command");
if (input == null) throw new ArgumentNullException("input");
Int32 element_index = command.Elements.Count - 1;
for (Int32 input_index = 0; input_index != input.Size; ++input_index)
{
Int32 match_index = ScanForMatch(command, element_index, input, input_index);
if (match_index == Int32.MinValue) return false;
if (element_index > 0)
{
if (match_index > command.Time) return false;
--element_index;
input_index = match_index;
}
else if (element_index == 0)
{
return match_index <= command.Time;
}
else
{
return false;
}
}
return false;
}
static Int32 ScanForMatch(Command command, Int32 element_index, InputBuffer input, Int32 input_index)
{
if (command == null) throw new ArgumentNullException("command");
if (input == null) throw new ArgumentNullException("input");
CommandElement element = command.Elements[element_index];
Int32 scanlength = Math.Min(input.Size, command.Time);
for (Int32 i = input_index; i < scanlength; ++i)
{
//Only check for the last element at the top of the input buffer
if (element_index == command.Elements.Count - 1)
{
if (element.TriggerOnRelease == null)
{
if (i != input_index) return Int32.MinValue;
}
else
{
if (i - 1 != input_index && i != input_index) return Int32.MinValue;
}
}
if (ElementMatch(element, input, i) == true)
{
//If no match, confirm CommandElement.NothingElse before going back a tick in the input.
if (element_index < command.Elements.Count - 1)
{
CommandElement nextelement = command.Elements[element_index + 1];
if (nextelement.NothingElse == true && input.AreIdentical(input_index, i) == false) continue;
}
return i;
}
}
return Int32.MinValue;
}
Command BuildCommand(String name, String text, Int32 time, Int32 buffertime)
{
if (name == null) throw new ArgumentNullException("name");
if (text == null) throw new ArgumentNullException("text");
if (time < 0) throw new ArgumentOutOfRangeException("time");
if (buffertime < 0) throw new ArgumentOutOfRangeException("buffertime");
Command command = new Command(name, text, time, buffertime, ParseCommandText(text));
if (command.IsValid == false)
{
Log.Write(LogLevel.Warning, LogSystem.CommandSystem, "Invalid command - '{0}'", name);
}
return command;
}