private void Frontend_LineInput(string line)
{
try
{
Shell.ExecuteLine(line);
}
catch (CommandNotFoundException ex)
{
LConsole.WriteLine(ex.Message, ConsoleColor.Red);
}
catch (ParameterMismatchException ex)
{
LConsole.WriteLine(ex.Message, ConsoleColor.Red);
ex.Command.PrintUsage();
}
catch (ParameterConversionException ex)
{
LConsole.WriteLine(ex.Message, ConsoleColor.Red);
}
catch (ParserException ex)
{
LConsole.WriteLine("Error when parsing command: " + ex.Message, ConsoleColor.Red);
}
catch (Exception ex)
{
LConsole.WriteLine("An error occurred when executing this command:", ConsoleColor.Red);
LConsole.WriteLine(ex.ToString(), ConsoleColor.Red);
}
}
private static void Help()
{
int totalCommandCount = CommandConsole.Current.CommandRegistry.AllRegisteredCommands.GetCommandCount();
if (totalCommandCount == 0)
{
LConsole.WriteLine("Uh oh, there aren't any registered commands");
return;
}
int maxUsageLength = GetMaxCommandUsageLength(CommandConsole.Current.CommandRegistry.AllRegisteredCommands.EnumerateAllCommands());
LineWriter writer = LConsole.BeginLine();
writer.WriteLine($"Available commands ({totalCommandCount}):", ConsoleColor.Magenta);
writer.WriteLine();
foreach (string assemblyName in CommandConsole.Current.CommandRegistry.CommandsByAssembly.Keys.OrderBy(s => s))
{
WriteAssemblyCommands(maxUsageLength, writer, assemblyName);
writer.WriteLine();
}
writer.End();
}
private static void Exec(string fileName)
{
try
{
CommandConsole.Current.Shell.ExecuteLsf(fileName);
}
catch (FileNotFoundException)
{
LConsole.WriteLine("File not found", ConsoleColor.Red);
}
}
private static void PrintException()
{
var ex = CommandConsole.Current.Shell.LastException;
if (ex == null)
{
LConsole.WriteLine("No exception has occurred so far!", ConsoleColor.Green);
}
else
{
LConsole.WriteLine(ex.ToString());
}
}
private static void Help(string commandName)
{
if (!CommandConsole.Current.CommandRegistry.AllRegisteredCommands.ContainsCommand(commandName))
{
LConsole.WriteLine($"No registered command with name '{commandName}'", ConsoleColor.Red);
return;
}
foreach (var cmd in CommandConsole.Current.CommandRegistry.AllRegisteredCommands.GetEntry(commandName).Commands)
{
cmd.PrintUsage();
}
}
private static void HelpAss(string assemblyName)
{
if (!CommandConsole.Current.CommandRegistry.CommandsByAssembly.TryGetValue(assemblyName, out var commands))
{
LConsole.WriteLine($"No assembly with commands found by name {assemblyName}. See `help` for commands in all assemblies.");
return;
}
int maxUsageLength = GetMaxCommandUsageLength(commands);
LineWriter writer = LConsole.BeginLine();
WriteAssemblyCommands(maxUsageLength, writer, assemblyName);
writer.End();
}
private static void PrintEnvironment()
{
if (!CommandConsole.Current.Config.EnableVariables)
{
LConsole.WriteLine("Variables are disabled", ConsoleColor.Red);
return;
}
foreach (var item in CommandConsole.Current.Shell.Environment.GetAll())
{
LConsole.BeginLine()
.Write(item.Key, ConsoleColor.DarkGreen)
.Write(" = ", ConsoleColor.DarkGray)
.Write(item.Value)
.End();
}
}
private static void Echo(object obj)
{
LConsole.WriteLine(obj?.ToString() ?? "null");
}