Example #1
0
        internal CommandResult Process(string commandText)
        {
            if (_commandTypes == null || !_commandTypes.Any())
                LoadCommands();

            if (string.IsNullOrWhiteSpace(commandText))
                throw new ArgumentNullException("commandText", "Command text cannot be empty");

            var split = commandText.SplitCommandLine().ToList();
            var command = (split.FirstOrDefault() ?? commandText).ToLower();
            var subcommand = (split.Count < 2 ? "" : split.Skip(1).Take(1).FirstOrDefault()).ToLower();
            var args = (split.Count < 3 ? new string[0] : split.Skip(2)).ToArray();

            if (command == "help")
                return renderHelp();

            var commandType = (from c in _commandTypes
                         let attr = c.GetAttribute<WebCommandTypeAttribute>()
                         where attr != null && attr.Name.ToLower() == command
                         select c
                        ).FirstOrDefault();

            if(commandType == null)
            {
                throw new ArgumentException(string.Format("Command '{0}' not found", command.ToUpper()));
            }

            if (split.Count() == 1)
            {
                return renderHelp(commandType);
            }

            var webCommand = Activator.CreateInstance(commandType);

            MethodInfo method =
                _commandMethods.FirstOrDefault(
                    x =>
                    (x.GetAttribute<WebCommandAttribute>() != null && (x.GetAttribute<WebCommandAttribute>().Name != null && x.GetAttribute<WebCommandAttribute>().Name.ToLower() == subcommand) || (x.GetAttribute<WebCommandAttribute>().Name == null && x.Name.ToLower() == subcommand)) &&
                    x.DeclaringType == commandType);

            object returnValue;
            if (method.GetParameters().Count() == 1 && method.GetParameters().Count(x => x.ParameterType == typeof(string[])) == 1)
            {
                returnValue = method.Invoke(webCommand, new object[] { args.ToArray() });
            }
            else
            {
                if (method.GetParameters().Count() != args.Count())
                {
                    StringBuilder builder = new StringBuilder();
                    foreach (var parameterInfo in method.GetParameters())
                    {
                        builder.AppendLine(parameterInfo.Name);
                    }
                    returnValue = new CommandResult()
                                      {
                                          IsError = true,
                                          Result = string.Format(
                                                  "Invalid Number of Parameters Supplied.\r\nParameters that are required are {1}:\r\n{0}",
                                                  builder, method.GetParameters().Count())
                                      };
                }
                else
                {
                    object[] objArray = new object[args.Count()];
                    args.CopyTo(objArray, 0);

                    returnValue = method.Invoke(webCommand, objArray);
                }
            }

            CommandResult result = new CommandResult();

            if (returnValue is string)
            {
                result = new CommandResult { IsHtml = false, Result = returnValue.ToString() };
            }
            else if (returnValue is CommandResult)
            {
                result = returnValue as CommandResult;
            }

            return result;
        }
Example #2
0
        internal CommandResult Process(string commandText)
        {
            if (_commandTypes == null || !_commandTypes.Any())
                LoadCommands();

            if (string.IsNullOrWhiteSpace(commandText))
                throw new ArgumentNullException("commandText", "Command text cannot be empty");

            var split = commandText.SplitCommandLine();
            var command = (split.FirstOrDefault() ?? commandText).ToLower();

            if (command == "help")
                return renderHelp();

            var commandType = (from c in _commandTypes
                              let attr = (WebCommandAttribute)c.GetCustomAttributes(_attributeType, false).FirstOrDefault()
                              where attr != null
                              && attr.Name.ToLower() == command
                              select c).FirstOrDefault();

            if(commandType == null)
                throw new ArgumentException(string.Format("Command '{0}' not found", command.ToUpper()));

            var webCommand = (IWebCommand)Activator.CreateInstance(commandType);

            var result = new CommandResult() { IsHtml = webCommand.ReturnHtml };
            result.Result = webCommand.Process(split.Skip(1).ToArray());

            return result;
        }
Example #3
0
        internal CommandResult Process(string commandText)
        {
            if (_commandTypes == null || !_commandTypes.Any())
            {
                LoadCommands();
            }

            if (string.IsNullOrWhiteSpace(commandText))
            {
                throw new ArgumentNullException("commandText", "Command text cannot be empty");
            }

            var split      = commandText.SplitCommandLine().ToList();
            var command    = (split.FirstOrDefault() ?? commandText).ToLower();
            var subcommand = (split.Count < 2 ? "" : split.Skip(1).Take(1).FirstOrDefault()).ToLower();
            var args       = (split.Count < 3 ? new string[0] : split.Skip(2)).ToArray();


            if (command == "help")
            {
                return(renderHelp());
            }

            var commandType = (from c in _commandTypes
                               let attr = c.GetAttribute <WebCommandTypeAttribute>()
                                          where attr != null && attr.Name.ToLower() == command
                                          select c
                               ).FirstOrDefault();

            if (commandType == null)
            {
                throw new ArgumentException(string.Format("Command '{0}' not found", command.ToUpper()));
            }

            if (split.Count() == 1)
            {
                return(renderHelp(commandType));
            }

            var webCommand = Activator.CreateInstance(commandType);

            MethodInfo method =
                _commandMethods.FirstOrDefault(
                    x =>
                    (x.GetAttribute <WebCommandAttribute>() != null && (x.GetAttribute <WebCommandAttribute>().Name != null && x.GetAttribute <WebCommandAttribute>().Name.ToLower() == subcommand) || (x.GetAttribute <WebCommandAttribute>().Name == null && x.Name.ToLower() == subcommand)) &&
                    x.DeclaringType == commandType);

            object returnValue;

            if (method.GetParameters().Count() == 1 && method.GetParameters().Count(x => x.ParameterType == typeof(string[])) == 1)
            {
                returnValue = method.Invoke(webCommand, new object[] { args.ToArray() });
            }
            else
            {
                if (method.GetParameters().Count() != args.Count())
                {
                    StringBuilder builder = new StringBuilder();
                    foreach (var parameterInfo in method.GetParameters())
                    {
                        builder.AppendLine(parameterInfo.Name);
                    }
                    returnValue = new CommandResult()
                    {
                        IsError = true,
                        Result  = string.Format(
                            "Invalid Number of Parameters Supplied.\r\nParameters that are required are {1}:\r\n{0}",
                            builder, method.GetParameters().Count())
                    };
                }
                else
                {
                    object[] objArray = new object[args.Count()];
                    args.CopyTo(objArray, 0);

                    returnValue = method.Invoke(webCommand, objArray);
                }
            }


            CommandResult result = new CommandResult();

            if (returnValue is string)
            {
                result = new CommandResult {
                    IsHtml = false, Result = returnValue.ToString()
                };
            }
            else if (returnValue is CommandResult)
            {
                result = returnValue as CommandResult;
            }

            return(result);
        }