/// <summary>
/// Validates if a command has the right amount of parameters
/// </summary>
/// <param name="cmd"></param>
/// <returns></returns>
public static bool CanInterpret(ConsoleCommand cmd, out string parserMsg)
{
string msg = string.Empty;
ConsoleCommand validVersion = ConsoleCommandWords.FindCommand(cmd.CommandWord);
if (validVersion.Matches(cmd, out msg))
{
parserMsg = msg;
return(true);
}
else
{
parserMsg = msg;
return(false);
}
}
/// <summary>
/// Checks if a given keyword is valid command and saves his given parameters
/// </summary>
/// <param name="commandLine"></param>
/// <param name="cmd"></param>
/// <returns></returns>
public static bool CanRead(string commandLine, out ConsoleCommand cmd)
{
string keyword = commandLine.Split(' ')[0];
string param1;
string param2;
try
{
param1 = commandLine.Split(' ')[1];
}
catch
{
param1 = string.Empty;
}
try
{
param2 = commandLine.Split(' ')[2];
}
catch
{
param2 = string.Empty;
}
if (keyword != string.Empty)
{
if (ConsoleCommandWords.IsCommand(keyword))
{
cmd = new ConsoleCommand(keyword);
cmd.Parameters[0] = param1;
cmd.Parameters[1] = param2;
return(true);
}
else
{
cmd = new ConsoleCommand(commandLine);
return(false);
}
}
else
{
cmd = new ConsoleCommand(commandLine);
return(false);
}
}
/// <summary>
/// Executes any given command if known to the parser
/// </summary>
/// <param name="cmd"></param>
public static string ExecuteCommand(ConsoleCommand cmd)
{
string param1 = cmd.Parameters[0];
string param2 = cmd.Parameters[1];
string param3 = cmd.Parameters[2];
string command = cmd.CommandWord;
string parserMessage = string.Empty;
if (!Parser.CanInterpret(cmd, out parserMessage))
{
LogConsole.WriteLine("ERROR WHILE PARSING COMMAND: " + command + " ::: INVALID");
LogConsole.Break();
return("PARSER_ERROR");
}
UserAuthorization userAuthorization = UserAuthorization.None;
UserAuthorization requiredAuthorization = ConsoleCommandWords.FindCommand(command).RequiredAuthorization;
if (requiredAuthorization != UserAuthorization.None)
{
userAuthorization = UserManager.GetUserAuthorization(param1);
if (userAuthorization != requiredAuthorization)
{
LogConsole.WriteLine(UserManager.GetUserAuthorizationErrorMessage(requiredAuthorization, userAuthorization, param1));
LogConsole.Break();
return("UNAUTHORIZED");
}
}
switch (command)
{
case "terminate":
{
LogConsole.PrintCommand(cmd);
Actions.TerminateServer();
return(string.Empty);
}
case "clear":
{
LogConsole.PrintCommand(cmd);
LogConsole.Clear();
return(string.Empty);
}
case "help":
{
LogConsole.PrintCommand(cmd);
LogConsole.Break();
LogConsole.Write(ConsoleCommandWords.CommandList());
return(string.Empty);
}
case "add":
{
LogConsole.PrintCommand(cmd);
LogConsole.Break();
switch (param1)
{
case "session":
{
LogConsole.Break();
Session newSession = new Session();
SessionManager.AddSession(newSession, string.Empty, false);
LogConsole.Write(newSession.Details());
return(newSession.Id);
}
default:
{
LogConsole.Break();
LogConsole.ThrowParseError("Invalid Type", param1);
return(string.Empty);
}
}
}
/// DEPRECATED
//case "select":
// {
// LogConsole.PrintCommand(cmd);
// LogConsole.Break();
// switch (param1)
// {
// case "session":
// {
// if (LogConsole.SelectSession(param2, SessionManager.Sessions) != false)
// {
// LogConsole.Break();
// LogConsole.Write("Selected session is now " + param2.ToUpper());
// SessionManager.OnSelectedSessionChanged();
// }
// else
// {
// LogConsole.Break();
// LogConsole.ThrowParseError("Unknown Session!", param2.ToUpper());
// }
// return string.Empty;
// }
// default:
// {
// LogConsole.Break();
// LogConsole.ThrowParseError("Invalid Type", param1);
// return string.Empty;
// }
// }
// }
case "selected":
{
LogConsole.PrintCommand(cmd);
LogConsole.Break();
if (LogConsole.currentSession == null)
{
LogConsole.Write("No selected session");
}
else
{
LogConsole.Write("Selected session is " + LogConsole.currentSession.Id);
}
return(string.Empty);
}
case "stop":
{
switch (param1)
{
case "session":
{
LogConsole.Break();
if (SessionManager.SessionExists(param2))
{
SessionManager.FindSessionBySessionId(param2).Stop();
LogConsole.Write("Stopped Session " + param2);
}
else
{
LogConsole.ThrowParseError("unknown " + param1 + " : " + param2 + " - Session does not exist", cmd.CommandWord);
}
return(string.Empty);
}
default:
{
LogConsole.Break();
LogConsole.ThrowParseError("Invalid Type", param1);
return(string.Empty);
}
}
}
case "delete":
{
switch (param1)
{
case "session":
{
LogConsole.Break();
if (SessionManager.SessionExists(param2))
{
if (SessionManager.FindSessionBySessionId(param2).isStopped)
{
SessionManager.FindSessionBySessionId(param2).Terminate();
SessionManager.DeleteSession(param2);
LogConsole.Write("Deleted Session " + param2);
}
else
{
LogConsole.ThrowException(SessionManager.FindSessionBySessionId(param2).Id, "Session is still running! Session must be stopped before termination");
}
return(string.Empty);
}
else
{
LogConsole.ThrowParseError("unknown " + param1 + " : " + param2 + " - Session does not exist", cmd.CommandWord);
}
return(string.Empty);
}
default:
{
LogConsole.Break();
LogConsole.ThrowParseError("Invalid Type", param1);
return(string.Empty);
}
}
}
default:
{
return(string.Empty);
}
}
}
