def is_next(self, find):
    local_pos = self.parser_pos
    if (local_pos >= len(self.input)):
        return False
    c = self.input[local_pos]
    while ((c in self.whitespace) and (c != find)):
        local_pos += 1
        if (local_pos >= len(self.input)):
            return False
        c = self.input[local_pos]
    return (c == find)
def is_next(self, find):
    local_pos = self.parser_pos
    if (local_pos >= len(self.input)):
        return False
    c = self.input[local_pos]
    while ((c in self.whitespace) and (c != find)):
        local_pos += 1
        if (local_pos >= len(self.input)):
            return False
        c = self.input[local_pos]
    return (c == find)