public static void Execute()
{
while (true)
{
Execute(Console.ReadLine());
ConsoleHandler.ClearCommand();
Thread.Yield(); // Other threads should be able to run after each command
}
}
// Used to check if position information is required
public static void UpdatePositionInformation()
{
Graph g = Database.Instance.Data.Graphs.FirstOrDefault().Value;
Forklift f = Database.Instance.Data.Forklifts.FirstOrDefault().Value;
if (f.RearNode == null || f.FrontNode == null)
{
ConsoleHandler.AddMessage(MessageType.REGULAR, "Information about PALL-E position is required.");
bool result;
do
{
Node rearNode = null;
Node frontNode = null;
// The user must enter a faceing node
while (frontNode == null)
{
try
{
ConsoleHandler.AddMessage(MessageType.REGULAR, "Enter name of front node...");
String faceing = Console.ReadLine();
ConsoleHandler.ClearCommand();
frontNode = g.getNode(faceing);
}
catch (NodeException e)
{
ConsoleHandler.AddMessage(MessageType.ERROR, "Error when finding node: '" + e.Message + "'");
}
}
// The user must enter a last node
while (rearNode == null)
{
try
{
ConsoleHandler.AddMessage(MessageType.REGULAR, "Enter name of rear node...");
String last = Console.ReadLine();
ConsoleHandler.ClearCommand();
rearNode = g.getNode(last);
}
catch (NodeException e)
{
ConsoleHandler.AddMessage(MessageType.ERROR, "Error when finding node: '" + e.Message + "'");
}
}
// Update node information
result = f.UpdateNodes(frontNode, rearNode);
Commands.PrintSuccess("Position updated");
Commands.Position();
}while (!result);
}
else
{
ConsoleHandler.AddMessage(MessageType.REGULAR, ConsoleHandler.DNS + " position information:");
ConsoleHandler.AddMessage(MessageType.REGULAR, "Front-node: '" + f.FrontNode.Name + "'. Rear-node: '" + f.RearNode.Name + "'");
}
}
private static void Execute(string command)
{
command = command.ToLower();
// No command provided, user must need help
if (String.IsNullOrEmpty(command))
{
PrintInvalidCommand();
return;
}
// Split the string into command and arguments
List <String> commandAndArguments = command.Split('-').ToList();
// No command provided, user must need help
if (String.IsNullOrEmpty(commandAndArguments[0]))
{
PrintInvalidCommand();
return;
}
// Split the command at every space
List <string> commandSplit = commandAndArguments[0].Split(' ').ToList();
// Remove empty commands (occours when multiple spaces are entered)
commandSplit.RemoveAll(s => s == "");
// Save the first part of the command
string commandIdentifier = commandSplit[0];
// Remove the first part of the command
commandSplit.RemoveAt(0);
int arguments = commandSplit.Count;
commandSplit.RemoveAll(s => s == "");
// Check if the command argument is "clear"
List <String> argumentList = commandAndArguments.Skip(1).ToList();
// Trim all command arguments
for (int i = 0; i < argumentList.Count; i++)
{
argumentList[i] = argumentList[i].Trim();
}
// Check if an argument is to clear the display
if (argumentList.Contains(COMMAND_ARGUMENT_CLEAR))
{
argumentList.RemoveAll(x => x == COMMAND_ARGUMENT_CLEAR);
Clear();
}
// Check if there are unprocessed arguments
if (argumentList.Count > 0)
{
String error = "Unknown command arguments: ";
foreach (string s in argumentList)
{
if (s != argumentList.FirstOrDefault())
{
error += ", ";
}
error += "'" + s + "'";
}
error += "\n";
ConsoleHandler.AddMessage(MessageType.ERROR, error);
return;
}
// Check if the command is "help"
if (commandIdentifier == HELP)
{
if (arguments == 0)
{
Help();
}
else
{
PrintIncorrectUse();
HelpHelp();
}
}
else if (commandIdentifier == COMMAND_STATUS)
{
if (arguments == 0)
{
Status();
}
else
{
PrintIncorrectUse();
StatusHelp();
}
}
// Check if the command is "joblist"
else if (commandIdentifier == COMMAND_JOBLIST)
{
if (arguments == 0)
{
Joblist();
}
else if (arguments == 1)
{
Joblist(commandSplit[0]);
}
else if (arguments == 2)
{
Joblist(commandSplit[0], commandSplit[1]);
}
else
{
PrintIncorrectUse();
JoblistHelp();
}
}
else if (commandIdentifier == COMMAND_CURRENTJOB)
{
if (arguments == 0)
{
CurrentJob();
}
else
{
PrintIncorrectUse();
CurrentJobHelp();
}
}
// Check if the command is "deliver", "fetch" or "navigate"
else if (commandIdentifier == COMMAND_FETCH)
{
if (arguments == 2)
{
if (commandSplit[0] == "node")
{
FetchNode(commandSplit[1]);
}
else if (commandSplit[0] == "pallet")
{
FetchPallet(commandSplit[1]);
}
else
{
PrintIncorrectUse();
FetchNodeHelp();
FetchPalletHelp();
}
}
else
{
PrintIncorrectUse();
FetchNodeHelp();
FetchPalletHelp();
}
}
else if (commandIdentifier == COMMAND_DELIVER ||
commandIdentifier == COMMAND_NAVIGATE)
{
if (arguments == 1)
{
DeliverNavigate(commandIdentifier, commandSplit[0]);
}
else
{
PrintIncorrectUse();
DeliverNavigateHelp();
}
}
else if (commandIdentifier == COMMAND_DEBUG)
{
if (arguments == 1)
{
Debug(commandSplit[0]);
}
}
else if (commandIdentifier == COMMAND_POSITION)
{
if (arguments == 0)
{
Position();
}
else if (arguments == 2)
{
Position(commandSplit[0], commandSplit[1]);
}
else
{
PrintIncorrectUse();
PositionHelp();
}
}
else if (commandIdentifier == COMMAND_CLEAR)
{
if (arguments == 0)
{
Clear();
}
else
{
PrintIncorrectUse();
ClearHelp();
}
}
else if (commandIdentifier == COMMAND_PALLETLIST)
{
if (arguments == 0)
{
Palletlist();
}
else if (arguments == 1)
{
Palletlist(commandSplit[0]);
}
else if (arguments == 2)
{
Palletlist(commandSplit[0], commandSplit[1]);
}
else if (arguments == 3)
{
Palletlist(commandSplit[0], commandSplit[1], commandSplit[2]);
}
else
{
PrintIncorrectUse();
PalletlistHelp();
}
}
else if (commandIdentifier == COMMAND_PAYLOAD)
{
if (arguments == 0)
{
Payload();
}
else if (arguments == 1)
{
Payload(commandSplit[0]);
}
else
{
PrintIncorrectUse();
PayloadHelp();
}
}
else if (commandIdentifier == COMMAND_NODE)
{
if (arguments == 1)
{
Node(commandSplit[0]);
}
else
{
NodeHelp();
}
}
else if (commandIdentifier == COMMAND_UNBLOCK)
{
if (arguments == 2)
{
Unblock(commandSplit[0], commandSplit[1]);
}
else if (arguments == 1)
{
Unblock(commandSplit[0]);
}
else
{
UnblockHelp();
}
}
else if (commandIdentifier == COMMAND_RELOAD)
{
if (arguments == 0)
{
Reload();
}
else
{
PrintIncorrectUse();
ReloadHelp();
}
}
else if (commandIdentifier == COMMAND_SAVE)
{
if (arguments == 0)
{
Save();
}
else
{
PrintIncorrectUse();
SaveHelp();
}
}
else if (commandIdentifier == COMMAND_EXIT)
{
if (arguments == 0)
{
Exit();
}
else
{
PrintIncorrectUse();
ExitHelp();
}
}
// Some unknown command, show the help
else
{
PrintInvalidCommand();
}
ConsoleHandler.ClearCommand();
}
