static string ReadUnicodeCategoryName(RegExpPokeableReader reader)
{
if (reader.Read() != 0x7b)
{
throw new ArgumentException(@"Incorrect mask: '{' expected after '\p' or '\P'");
}
string str = string.Empty;
while (true)
{
int num = reader.Read();
switch (num)
{
case -1:
throw new ArgumentException(@"Incorrect mask: '}' expected after '\p{unicode_category_name' or '\P{unicode_category_name'");
case 0x7d:
return(str);
}
str = str + ((char)num);
}
}
static char ReadCharCharCode(RegExpPokeableReader reader, int digitsWanted)
{
string s = string.Empty;
for (int i = 0; i < digitsWanted; i++)
{
int num2 = reader.Read();
if (num2 == -1)
{
break;
}
s = s + ((char)num2);
}
return((char)int.Parse(s, NumberStyles.HexNumber));
}