private IEnumerable <Tag> FindIgnoredTags(Queue <Tag> orderedTags)
{
var tagStack = new Stack <Tag>();
foreach (var tag in orderedTags)
{
if (parsers.GetParserFromType(tag.Type).TagIgnorable(tagStack.Select(t => t.Type)))
{
yield return(tag);
}
if (tag.IsOpening)
{
tagStack.Push(tag);
}
if (tag.IsOpening || tagStack.Count == 0)
{
continue;
}
var upperTag = tagStack.Peek();
if (upperTag.Type == tag.Type)
{
tagStack.Pop();
}
}
}
