public Node AddToken(RegularExpressionToken token)
{
var newEnd = CreateNewNode();
End.AddAdjacent(newEnd, token);
End = newEnd;
return(End);
}
public IGraph AddSequence(IGraph sequenceGraph)
{
if (sequenceGraph == null)
{
return(this);
}
End.AddAdjacent(sequenceGraph.Root, RegularExpressionToken.Blank);
End = sequenceGraph.End;
return(this);
}
public void RepeatPlus()
{
var newRoot = CreateNewNode();
newRoot.AddAdjacent(Root, RegularExpressionToken.Blank);
End.AddAdjacent(Root, RegularExpressionToken.Blank, true);
Root = newRoot;
var newEnd = CreateNewNode();
End.AddAdjacent(newEnd, RegularExpressionToken.Blank);
End = newEnd;
}
public IGraph AddChoice(IGraph concatGraph)
{
var newRoot = CreateNewNode();
newRoot.AddAdjacent(Root, RegularExpressionToken.Blank);
newRoot.AddAdjacent(concatGraph.Root, RegularExpressionToken.Blank);
Root = newRoot;
var newEnd = CreateNewNode();
End.AddAdjacent(newEnd, RegularExpressionToken.Blank);
concatGraph.End.AddAdjacent(newEnd, RegularExpressionToken.Blank);
End = newEnd;
return(this);
}
