public GrammarToken(Unparser grammar, int start, GrammarToken parent)
{
Raw = "";
Grammar = grammar;
Start = start;
Parent = parent;
}
public void AddChild(GrammarToken child)
{
var open = FindLowestOpenToken();
if (open.Children == null)
{
open.Children = new List <GrammarToken>();
}
open.Children.Add(child);
child.Parent = open;
}
public void ReplaceInnerText(GrammarToken innerToken)
{
// Update the Resolved text, replacing inner token Raw with Resolved.
var start = Resolved.IndexOf(innerToken.Raw);
if (start < 0 || start >= Resolved.Length)
{
return;
}
Resolved = Resolved.Substring(0, start) + innerToken.Resolved + Resolved.Substring(start + innerToken.Raw.Length);
// Update the positions of any IndecesOfInterest relative to replaced text.
if (innerToken.Raw.Length == innerToken.Resolved.Length)
{
return;
}
var difference = innerToken.Raw.Length - innerToken.Resolved.Length;
if (IndecesOfInterest == null || IndecesOfInterest.Count == 0)
{
return;
}
for (var i = 0; i < IndecesOfInterest.Count; i++)
{
if (start <= IndecesOfInterest[i])
{
IndecesOfInterest[i] -= difference;
if (IndecesOfInterest[i] < 0)
{
IndecesOfInterest.RemoveAt(i);
i--;
}
}
else
{
continue;
}
}
}