// This static call constructs a RegexTree from a regular expression
// pattern string and an option string.
//
// The method creates, drives, and drops a parser instance.
internal static RegexTree Parse(String re, RegexOptions op) {
RegexParser p;
RegexNode root;
String[] capnamelist;
p = new RegexParser((op & RegexOptions.CultureInvariant) != 0 ? CultureInfo.InvariantCulture : CultureInfo.CurrentCulture);
p._options = op;
p.SetPattern(re);
p.CountCaptures();
p.Reset(op);
root = p.ScanRegex();
if (p._capnamelist == null)
capnamelist = null;
else
capnamelist = (String[])p._capnamelist.ToArray(typeof(String));
return new RegexTree(root, p._caps, p._capnumlist, p._captop, p._capnames, capnamelist, op);
}
internal static RegexTree Parse(string re, RegexOptions op)
{
string[] strArray;
RegexParser parser = new RegexParser(((op & RegexOptions.CultureInvariant) != RegexOptions.None) ? CultureInfo.InvariantCulture : CultureInfo.CurrentCulture) {
_options = op
};
parser.SetPattern(re);
parser.CountCaptures();
parser.Reset(op);
RegexNode root = parser.ScanRegex();
if (parser._capnamelist == null)
{
strArray = null;
}
else
{
strArray = parser._capnamelist.ToArray();
}
return new RegexTree(root, parser._caps, parser._capnumlist, parser._captop, parser._capnames, strArray, op);
}