private void OnExecuted(IExecutionContext session, string commandText, CommandResultCode resultCode)
{
if (CommandExecuted != null)
{
CommandExecuted(session, new CommandEventArgs(commandText, resultCode));
}
}
internal CommandEventArgs(string commandText, CommandResultCode resultcode)
{
this.commandText = commandText;
this.resultcode = resultcode;
}
internal CommandResult(TCommand command, CommandResultCode returnCode, List <ValidationResult> validationResults)
{
_command = command;
_returnCode = returnCode;
_validationResults = validationResults;
}
internal CommandResult(TCommand command, CommandResultCode returnCode)
: this(command, returnCode, new List <ValidationResult>())
{
}
internal CommandEventArgs(string commandText, CommandResultCode resultcode)
{
this.commandText = commandText;
this.resultcode = resultcode;
}
public void ExecuteCommand(IExecutionContext context, string commandText)
{
if (String.IsNullOrEmpty(commandText))
{
return;
}
// remove trailing command separator and whitespaces.
StringBuilder cmdBuilder = new StringBuilder(commandText.Trim());
int i;
for (i = cmdBuilder.Length - 1; i > 0; --i)
{
char c = cmdBuilder[i];
if (c != CommandSeparator && !Char.IsWhiteSpace(c))
{
break;
}
}
if (i < 0)
{
return;
}
cmdBuilder.Length = i + 1;
string cmd = cmdBuilder.ToString();
string cmdName = CompleteCommandName(cmd);
Command command = GetCommandFromCooked(cmdName);
if (command != null)
{
try {
string[] args = new string[0];
string parameters = cmd.Substring(cmdName.Length);
if (parameters.Length > 0)
{
parameters = parameters.Trim();
args = parameters.Split(' ');
ArrayList argsList = new ArrayList();
for (int j = 0; j < args.Length; j++)
{
args[j] = args[j].Trim();
if (args[j].Length > 0)
{
argsList.Add(args[j]);
}
}
args = (string[])argsList.ToArray(typeof(string));
}
if (command.RequiresContext && (context == null || !context.IsIsolated))
{
Application.Error.WriteLine(cmdName + " requires a valid isolated context.");
return;
}
OnExecuting(context, commandText);
CommandResultCode result = command.Execute(context, new CommandArguments(args));
OnExecuted(context, commandText, result);
switch (result)
{
case CommandResultCode.SyntaxError: {
string[] synopsis = command.Synopsis;
if (synopsis != null && synopsis.Length > 0)
{
Application.Error.WriteLine(cmdName + " usage: ");
for (int j = 0; j < synopsis.Length; j++)
{
Application.Error.Write(" ");
Application.Error.WriteLine(synopsis[j]);
}
}
else
{
Application.Error.WriteLine(cmdName + " syntax error.");
}
break;
}
case CommandResultCode.ExecutionFailed: {
// if we are in batch mode, then no message is written
// to the screen by default. Thus we don't know, _what_
// command actually failed. So in this case, write out
// the offending command.
if (IsInBatch)
{
Application.Error.WriteLine("-- failed command: ");
Application.Error.WriteLine(commandText);
}
break;
}
}
} catch (Exception e) {
#if DEBUG
System.Console.Error.WriteLine(e.Message);
System.Console.Error.WriteLine(e.StackTrace);
#endif
Application.Error.WriteLine(e.ToString());
OnExecuted(context, commandText, CommandResultCode.ExecutionFailed);
}
}
}
private void OnExecuted(IExecutionContext session, string commandText, CommandResultCode resultCode)
{
if (CommandExecuted != null)
CommandExecuted(session, new CommandEventArgs(commandText, resultCode));
}
