public CTGestureParserExpression ReduceDefinition(CTGestDef def)
{
var expr = new CTGestureParserExpression();
foreach (var t in def.expression.Tokens())
{
if (t.tokenType == CTGestParserTokenType.def)
{
var replacementDef = definitions[t.name];
expr += ReduceDefinition(replacementDef);
}
else {
expr += t;
}
}
return expr;
}
public CTGestureParserGraphNode(CTGestureParserGraphNode parent = null)
{
this.parent = parent;
branches = new List<CTGestureParserGraphNode>();
expr = new CTGestureParserExpression();
}
public CTGestureParserGraphNode AddBranch(CTGestureParserExpression expression)
{
// if you are trying to chain on to a terminal, back track and chain from there.
// this happens with subcommands
if (this.nodeType == CTGestParserGraphNodeType.terminal)
{
return parent.AddBranch(expression);
}
foreach (var b in branches)
{
if (b.expr.Equals(expression))
{
return b;
}
}
branches.Add(new CTGestureParserGraphNode(this) {
expr = expression,
});
return branches.Last();
}
public void AddExpression(CTGestureParserExpression expr)
{
current = current.AddBranch(expr);
}
