srt_options_line.py

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#
# srt_options_line.py
#
#  Help with parsing an options line. Really simple stuff, actually; does some help with doing
#  the error detection, etc.
#
#  Created November 1997 Gordon Watts (Brown)
#

import string

class options_line:
        def __init__ (self, arg_line):
                self._arg_list = arg_line
                self._index = 0

        def length (self):
                return len(self._arg_list)

        def get_next_option (self, name):
                if self._index >= self.length():
                        raise "Missing option " + name
                result = self._arg_list[self._index]
                self._index = self._index + 1
                return result

        def has_more_options (self):
                return self._index < self.length()