public override void Update(IList <Node> nodes)
{
IList <string> children = Text.Split(" | ").ToList();
_a = new AllNode(children[0]);
_a.Update(nodes);
_b = new AllNode(children[1]);
_b.Update(nodes);
}
static int CountMatchingRules(IList <string> rules, bool part2)
{
string pattern = @"(\d+): (.*)$";
Regex re = new Regex(pattern, RegexOptions.IgnoreCase);
Match m;
IList <Node> nodes = new List <Node>();
foreach (string rule in rules)
{
if (string.IsNullOrEmpty(rule))
{
break;
}
nodes.Add(null);
}
// hack
int extra = 43 - nodes.Count;
for (; extra > 0; --extra)
{
nodes.Add(null);
}
bool ruleUpdating = true;
int valid = 0;
foreach (string rule in rules)
{
if (ruleUpdating)
{
if (string.IsNullOrEmpty(rule))
{
foreach (Node n in nodes.Where(n => n != null))
{
n.Update(nodes);
}
ruleUpdating = false;
continue;
}
m = re.Match(rule);
if (m.Success)
{
int index = int.Parse(m.Groups[1].Value);
Node newNode = null;
if (index == 0 && part2)
{
newNode = new ZeroNode(m.Groups[2].Value);
}
else if (index == 8 && part2)
{
newNode = new LoopNode1(m.Groups[2].Value);
}
else if (index == 11 && part2)
{
newNode = new LoopNode2(m.Groups[2].Value);
}
else if (m.Groups[2].Value.Contains('|'))
{
newNode = new AnyNode(m.Groups[2].Value);
}
else if (m.Groups[2].Value.StartsWith('"'))
{
newNode = new LeafNode(m.Groups[2].Value);
}
else
{
newNode = new AllNode(m.Groups[2].Value);
}
nodes[index] = newNode;
}
}
else
{
string copy = rule;
if (nodes[0].Matches(ref copy) && copy.Length == 0)
{
++valid;
}
}
}
return(valid);
}
