private void btnParse_Click(object sender, EventArgs e)
{
string[] lines = richTextBox1.Text.Split('\n');
_alphabet = new List <Letter>();
_stack = new Stack();
_states = new List <State>();
_transitions = new List <Transition>();
_words = new List <Word>();
this._parserController = new ParserController(_alphabet, _states, _transitions, _stack, _words);
this._parserController.Parse(lines);
this._imageBuilder.BuildGraphVizImage(pbAutomata, _states, _transitions);
bool actualDfa = this._dfaController.IsDfa(_states, _alphabet);
this.defineButtonsForUser(actualDfa, btnActual);
bool expectedDfa = ((ParserController)this._parserController).expectedDfa;
this.defineButtonsForUser(expectedDfa, btnExpected);
this.handleDefiningFinite(_transitions, _states, ((ParserController)this._parserController).expectedFinite);
this.checkForWordsExistance(_words);
pbAutomata.SizeMode = PictureBoxSizeMode.StretchImage;
}
public MainPresenter(IView view, IViewSettings parseSettings, IMessageService messageService)
{
_view = view;
_parseSettings = parseSettings;
_messageService = messageService;
_parseSettings.Start += _parseSettings_Start;
_parseSettings.Close += _parseSettings_Closing;
_view.NewParcing += _view_NewParcing;
_view.SaveData += _view_SaveData;
_view.ReadAllData += _view_ReadData;
_mainForm = _view.GetForm();
_parserController = ParserControllerBuilder.GetController <DataTable>("mock", null, null, ParserType.Agility);
_parserController.NewDataReceived += _parserController_NewDataReceived;
}
private async void _parseSettings_Start(object sender, ParsingSettings e)
{
if (String.IsNullOrWhiteSpace(e.Url) && string.IsNullOrWhiteSpace(e.Source))
{
_messageService.ShowError("Данные для парсинга отсутствуют!");
return;
}
else
if (e.Tags.Length == 0)
{
_messageService.ShowError("Теги для парсинга отсутствуют!");
return;
}
else
if (e.Attributes.Length == 0)
{
_messageService.ShowError("Атрибуты для парсинга отсутствуют!");
return;
}
else
if (string.IsNullOrWhiteSpace(e.Source) & !(Uri.TryCreate(e.Url, UriKind.Absolute, out Uri uri)))
{
_messageService.ShowError("Данный URL не валидный!");
return;
}
string[] attrs = e.Attributes;
_settings = new ParserSettings(e.Tags, attrs);
ParserType parserType;
try
{
parserType = (ParserType)e.ParserType;
}
catch (InvalidCastException ex)
{
_messageService.ShowError(ex.Message);
return;
}
try
{
_parserController = ParserControllerBuilder.GetController <DataTable>(e.Url, e.Source, _settings, parserType);
_parserController.NewDataReceived += _parserController_NewDataReceived;
}
catch (NotSupportedException ex)
{
_messageService.ShowError(ex.Message);
return;
}
catch (NullReferenceException ex)
{
_messageService.ShowError(ex.Message);
return;
}
_parseSettings.HideForm();
bool parsingState = false;
try
{
_view.Reset();
_view.Write(DateTime.UtcNow.ToLongTimeString() + " || Выполняется парсинг....");
await _parserController.ParseAsync();
parsingState = true;
}
catch (ArgumentNullException ex)
{
_messageService.ShowError(ex.Message);
_view.Write(DateTime.UtcNow.ToLongTimeString() + " ---- Во время парсинга возникла ошибка!");
parsingState = false;
}
finally
{
_view.Write(DateTime.UtcNow.ToLongTimeString() + " || Парсинг " + ((parsingState) ? "успешно " : "не ") + "выполнен");
_view.ToggleToolStripBusy(false);
}
}
