public void StartRule(RuleType ruleType)
{
if (ruleType == RuleType.Separator)
{
ruleType = RuleType.Text;
}
_node = new CucumberExpressionAstNode(ruleType, _node);
}
private void AddToParent(CucumberExpressionAstNode node, CucumberExpressionAstNode parentNode)
{
if (node.RuleType == RuleType.Text && parentNode.SubNodes.LastOrDefault()?.RuleType == RuleType.Text)
{
parentNode.SubNodes.Last().Tokens.AddRange(node.Tokens);
return;
}
parentNode.SubNodes.Add(node);
}
public void EndRule(RuleType ruleType)
{
if (ruleType == RuleType.CucumberExpression)
{
return; // keep last node in _node
}
if (ruleType == RuleType.Alternation && _node.SubNodes.Count == 1)
{
foreach (var subNode in _node.SubNodes.Single().SubNodes)
{
AddToParent(subNode, _node.ParentNode);
}
}
else
{
AddToParent(_node, _node.ParentNode);
}
_node = _node.ParentNode;
}
public CucumberExpression(CucumberExpressionAstNode node) : base(RuleType.CucumberExpression, null)
{
SubNodes.AddRange(node.SubNodes);
}
