private List <ArgumentOption> GetArgumentOptions()
{
var result = new List <ArgumentOption>();
int?key = null;
var argumentsParser = new ArgumentsParser(_arguments.Take(_arguments.Length - 2).ToArray());
while (argumentsParser.HasNext)
{
switch (argumentsParser.GetNextAsString())
{
case "--encrypt":
key = argumentsParser.HasNext ? argumentsParser.GetNextAsInt() : null;
if (key == null)
{
throw new ApplicationException("Invalid command");
}
result.Add(new ArgumentOption(ArgumentType.Output, "--encrypt", key));
break;
case "--decrypt":
key = argumentsParser.HasNext ? argumentsParser.GetNextAsInt() : null;
if (key == null)
{
throw new ApplicationException("Invalid command");
}
result.Add(new ArgumentOption(ArgumentType.Input, "--decrypt", key));
break;
case "--compress":
result.Add(new ArgumentOption(ArgumentType.Output, "--compress"));
break;
case "--decompress":
result.Add(new ArgumentOption(ArgumentType.Input, "--decompress"));
break;
default:
throw new ApplicationException("Invalid command");
}
}
return(result);
}
private void ResizeImageCommandExecutor(string commandParams)
{
var argumentsParser = new ArgumentsParser(commandParams);
if (argumentsParser.NextArgumentsCount != 3)
{
throw new MenuException();
}
int?position = argumentsParser.GetNextAsInt();
int?weight = argumentsParser.GetNextAsInt();
int?height = argumentsParser.GetNextAsInt();
if (position == null || weight == null || height == null)
{
throw new MenuException();
}
ICommand command = new ResizeImageCommand(position.Value, weight.Value, height.Value, _document);
command.Execute();
}
private void InsertImageCommandExecutor(string commandParams)
{
var argumentsParser = new ArgumentsParser(commandParams);
if (argumentsParser.NextArgumentsCount != 4)
{
throw new MenuException();
}
int?position = GetPosition(argumentsParser.GetNextAsString());
int?weight = argumentsParser.GetNextAsInt();
int?height = argumentsParser.GetNextAsInt();
if (weight == null || height == null)
{
throw new MenuException();
}
string path = argumentsParser.GetNextAsString();
ICommand command = new InsertImageCommand(path, weight.Value, height.Value, _document, position);
command.Execute();
}
private void AddBalls(string args)
{
var argumentsParser = new ArgumentsParser(args);
if (argumentsParser.NextArgumentsCount < 1)
{
throw new MenuException();
}
int?ballsCount = argumentsParser.GetNextAsInt();
if (ballsCount == null || ballsCount < 0)
{
throw new MenuException();
}
_machine.AddBalls(( uint )ballsCount.Value);
}
public void DeleteItemCommandExecutor(string commandParams)
{
var argumentsParser = new ArgumentsParser(commandParams);
if (argumentsParser.NextArgumentsCount != 1)
{
throw new MenuException();
}
int?position = argumentsParser.GetNextAsInt();
if (position == null)
{
throw new MenuException();
}
ICommand command = new DeleteItemCommand(position.Value, _document);
command.Execute();
}
private void ReplaceTextCommandExecutor(string commandParams)
{
var argumentsParser = new ArgumentsParser(commandParams);
if (argumentsParser.NextArgumentsCount < 2)
{
throw new MenuException();
}
int?position = argumentsParser.GetNextAsInt();
if (position == null)
{
throw new MenuException();
}
string text = argumentsParser.GetNextsAsString(' ');
ICommand command = new ReplaceTextCommand(position.Value, text, _document);
command.Execute();
}