private void AddNewSyntax(SyntaxObject newObject)
{
int newPos = 0;
this.Elements.Elements.Clear();
for (int i = 0; i < Syntax.Count; i++)
{
if (this.Syntax[i].GetType() == newObject.Syntax[newPos].GetType())
{
Elements.Add(newObject.Elements.Elements[newPos]);
if (newObject.Syntax.Count > newPos + 1)
{
newPos++;
}
else
{
for (int j = i + 1; j < Syntax.Count; j++)
{
Elements.Add("");
}
return;
}
}
else
{
Elements.Add("");
}
}
}
public void Add(SyntaxObject item)
{
Elements.Add(new ElementItem(item));
}
public ElementItem(SyntaxObject syntaxObject) : this()
{
this.ElementReference = syntaxObject;
this.HasValue = false;
}
public override SyntaxError Check()
{
string line = this.Context;
line = line.Replace(" ", string.Empty);
int startIndex = 0;
if (Elements.ElementCount != 0)
{
line = line.Remove(0, Elements[0].Length);
startIndex = 1;
}
else
{
startIndex = 0;
}
int i = 0;
SyntaxError check = SyntaxError.SyntaxError;
for (i = startIndex; i < Syntax.Count; i++)
{
string element = "";
if (Syntax[i] is SyntaxObject)
{
check = Syntax[i].Check(line);
if (check != SyntaxError.NoError)
{
break;
}
}
else
{
if (Syntax[i].Elements.SignCount != 0)
{
string tmpElement = string.Empty;
foreach (string item in Syntax[i].Elements)
{
if (line != string.Empty)
{
if (item.Length <= line.Length)
{
tmpElement = line.Substring(0, item.Length);
}
}
check = Syntax[i].Check(tmpElement);
if (check == SyntaxError.NoError)
{
element = tmpElement;
}
}
if (element == string.Empty)
{
break;
}
}
else
{
//if (i == Syntax.Count - 1)
//{
// element = line;
// check = Syntax[i].Check(element);
// if (check != SyntaxError.NoError) break;
//}
//else
{
bool isFound = false;
for (int j = 1; j <= line.Length; j++)
{
element = line.Substring(0, j);
check = Syntax[i].Check(element);
if (check != SyntaxError.NoError)
{
element = element.Remove(element.Length - 1, 1);
break;
}
if ((i + 1) < Syntax.Count)
{
if (Syntax[i + 1] is SyntaxObject)
{
string nextLine = line.Substring(element.Length, line.Length - element.Length);
if (Syntax[i + 1].Check(nextLine) != SyntaxError.NoError)
{
isFound = false;
}
else
{
isFound = true;
}
(Syntax[i + 1] as SyntaxObject).ClearElements();
}
else
{
if (Syntax[i + 1].Elements.SignCount != 0)
{
isFound = CheckNext(line, j, i + 1, element);
}
}
}
if (isFound)
{
break;
}
if (j >= line.Length - (Syntax.Count - i - 1))
{
break;
}
}
if (i != Syntax.Count - 1)
{
if (!isFound)
{
check = SyntaxError.SyntaxError;
break;
}
}
}
}
}
if (Syntax[i] is SyntaxObject)
{
Elements.Add(Syntax[i] as SyntaxObject);
}
else
{
if (Syntax[i] is AbstractSyntaxObject)
{
Elements.Add(element);
}
}
line = line.Remove(0, Elements[Elements.ElementCount - 1].Length);
}
if (check != SyntaxError.NoError)
{
for (int n = 0; n < Syntax.Count; n++)
{
SyntaxObject syntaxObject = Activator.CreateInstance(this.GetType()) as SyntaxObject;
syntaxObject.Context = this.Context;
syntaxObject.Syntax.Clear();
syntaxObject.Syntax.AddRange(this.Syntax);
int nullablePos = GetNextNullableElement();
if (nullablePos != -1)
{
syntaxObject.Syntax.RemoveAt(nullablePos);
check = syntaxObject.Check();
if (check == SyntaxError.NoError)
{
AddNewSyntax(syntaxObject);
line = string.Empty;
break;
}
//else return check;
}
else
{
return(check);
}
}
}
this.Context = Elements.Context;
//if (line != string.Empty || !IsFulSyntax()) return SyntaxError.SyntaxError;
if (!IsFulSyntax())
{
return(SyntaxError.SyntaxError);
}
return(SyntaxError.NoError);
}