public void AddPattern(string prefix, bool caseSensitive, bool needSeparators, IPatternMatcher matcher,
object[] tags)
{
if (string.IsNullOrEmpty(prefix))
{
throw new ArgumentNullException("prefix");
}
TokenTreeNode node = AddTokenInternal(prefix, caseSensitive);
var patternMatcherReference = new PatternMatchReference(matcher)
{
NextSibling = FirstExpression,
Tags = tags,
NeedSeparators = needSeparators
};
node.FirstExpression = patternMatcherReference;
}
public TokenTreeNode AddTokenInternal(string token, bool caseSensitive)
{
Char = token[0];
if (!caseSensitive)
{
ContainsCaseInsensitiveData = true;
}
if (token.Length == 1)
{
return(this);
}
string leftovers = token.Substring(1);
char childChar = leftovers[0];
int childIndex = childChar & 0xff;
//make a lookupindex (dont mind if unicode chars end up as siblings as ascii)
TokenTreeNode node = ChildNodes[childIndex];
TokenTreeNode res;
if (node == null)
{
var child = new TokenTreeNode();
ChildNodes[childIndex] = child;
res = child.AddTokenInternal(leftovers, caseSensitive);
MakeRepeatingWS(child);
}
else
{
node = GetMatchingNode(childChar, node);
res = node.AddTokenInternal(leftovers, caseSensitive);
}
return(res);
}