protected static void _SkipWhitespace(CharReader reader)
{
char currChar;
while (true)
{
if (reader.EOF())
{
break;
}
currChar = reader.Peek();
// use c# definition of whitespace
if (char.IsWhiteSpace(currChar))
{
reader.Read(); // gobble char
continue;
}
// check for comments
if (currChar == '/')
{
reader.Read(); // gobble char
char nextChar = reader.Read();
if (nextChar == '/') // to EOF
{
while (true)
{
// not error if EOF before CR-LF
if (reader.EOF())
{
break;
}
currChar = reader.Read();
if (currChar == '\r' || currChar == '\n')
{
break;
}
}
continue;
}
else if (nextChar == '*') /* to */
{
nextChar = ' '; // clear for comparison
while (true)
{
// will throw an error if EOF before '*/' is found
currChar = nextChar;
nextChar = reader.Read();
if (currChar == '*' && nextChar == '/')
{
break;
}
}
continue;
}
else // not a comment
{
// push back in reverse order
reader.Push(nextChar);
reader.Push(currChar);
break;
}
}
break;
}
}