public override LoliBool Eval()
{
if (Statment != null)
{
return(Statment.Apply(Left, Right));
}
else
{
return(false);
}
}
public virtual T Eval()
{
if (Statment == null)
{
return(Value);
}
else
{
return(Statment.Apply(Left, Right));
}
}
public IList<ushort> AssembleStatments(IEnumerable<Statment> statments)
{
foreach (var statment in statments)
{
this.currentStatment = statment;
this.AssembleStatment();
}
this.ResolveLabelReferences();
return this.program;
}
private void ProcessStyleId(string[] details, Statment stat)
{
if (Scopes.Count == 0)
{
throw new ParserException("Can't open a style id this scope.");
}
StyleIdScope StScope = (StyleIdScope)stat.Generate(null, (Scopes.Count == 0 ? this : Scopes.Peek()));
StScope.ClassNames = details;
Scopes.Push(StScope);
}
private static void QueryAsync(Statment statement)
{
MySqlConnection c = new MySqlConnection(strConnection);
c.Open();
MySqlCommand cmd = c.CreateCommand();
cmd.CommandText = statement.query;
foreach (KeyValuePair <string, object> entry in statement.parameters)
{
cmd.Parameters.AddWithValue(entry.Key, entry.Value);
}
cmd.Prepare();
cmd.BeginExecuteNonQuery(new AsyncCallback(QueryAsyncCallback), new QueryObject <bool>(null, cmd));
}
private void ProcessLine()
{
string str = Line.ToString().Trim();
Statment ID = StatmentManager.GetLineType(str);
if (ID.ID == StatmentType.Unknown)
{
throw new ParserException($"Unkown Line '{str}'");
}
Program.AddStatment(ID, str);
Line.Clear();
}
private void LoadTemplate()
{
Actual_statment = Statements.PickRandom();
if (Actual_statment.Answer != 2)
{
Actual_statment = Statements.PickRandom();
}
if (Actual_statment.Answer != 2)
{
Actual_statment = Statements.PickRandom();
}
lblTopic.Text = Actual_statment.Question;
txtTemplate.Text = Answer_original;
}
private void ProcessCustomWidgetScope(string Line, Statment Stat, string[] details)
{
RSSInstance CustomInstance;
if (!Parser.TryGetWidget(details[0], out CustomInstance))
{
throw new ParserException($"No custom widget named {details[0]}");
}
RSSInstance Instance = new RSSInstance(CustomInstance.ClassName, details[0], CustomInstance.Name);
WidgetScope sc = (WidgetScope)Stat.Generate(Line, (Scopes.Count == 0 ? this : Scopes.Peek()));
sc.Instance = Instance;
Scopes.Push(sc);
}
private static void Query(Statment statement)
{
using (MySqlConnection c = new MySqlConnection(strConnection))
{
c.Open();
using (MySqlCommand cmd = c.CreateCommand())
{
cmd.CommandText = statement.query;
foreach (KeyValuePair <string, object> entry in statement.parameters)
{
cmd.Parameters.AddWithValue(entry.Key, entry.Value);
}
cmd.Prepare();
cmd.ExecuteNonQuery();
}
}
}
private static DataTable Read(Statment statement)
{
DataTable retVal = new DataTable();
using (MySqlConnection c = new MySqlConnection(strConnection))
{
c.Open();
using (MySqlCommand cmd = c.CreateCommand())
{
cmd.CommandText = statement.query;
foreach (KeyValuePair <string, object> entry in statement.parameters)
{
cmd.Parameters.AddWithValue(entry.Key, entry.Value);
}
cmd.Prepare();
retVal.Load(cmd.ExecuteReader());
}
}
return(retVal);
}
internal void AddStatment(Statment Stat, string line)
{
if (Stat == null)
{
// Console.WriteLine($"Unkown statment '{line}'");
return;
}
//Check for the mismatch of a type.
if (Scopes.Count > 0)
{
if (Stat.ID != StatmentType.ScopeEnding && Stat.ID != StatmentType.Any)
{
if (!Scopes.Peek().AcceptsStatmentType(Stat.ID))
{
throw new ParserException("Attempted to open an unaccepted scope");
}
}
}
string[] details = Stat.GetDetails(line);
switch (Stat.ID)
{
case StatmentType.Variable:
ProcessVariable(Stat.GetDetails(line));
break;
case StatmentType.ScopeEnding:
CloseScope();
break;
case StatmentType.PropertyAssignment:
ProcessPropertyAssignment(details, Scopes.Peek());
break;
case StatmentType.CustomWidgetScopeOpening:
ProcessCustomWidgetScope(line, Stat, details);
//Check the custom class exsists.
break;
case StatmentType.StyleScopeOpening:
ProcessStyleScope(line, details, Stat);
break;
case StatmentType.StyleIdOpening:
ProcessStyleId(details, Stat);
break;
default:
bool isCustom = line.StartsWith("widget");
RSSInstance Instance = new RSSInstance(details[0], details[1], isCustom);
WidgetScope sc = (WidgetScope)Stat.Generate(line, (Scopes.Count == 0 ? this : Scopes.Peek()));
sc.Instance = Instance;
Scopes.Push(sc);
break;
}
}
private void ProcessStyleScope(string Line, string[] details, Statment ID)
{
StyleScope sc = (StyleScope)ID.Generate(Line, (Scopes.Count == 0 ? this : Scopes.Peek()));
Scopes.Push(sc);
}