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#
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#
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#   -- 2005-10-08 2352
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#   -- 2005-10-08 2352
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#       Changed double quotes to single quotes.
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#       Changed double quotes to single quotes.
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#       Fixed a few small errors in the error handling code.
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#       Fixed a few small errors in the error handling code.
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#
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#
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#   -- 2005-10-09 0006
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#       Made verbose mode into a toggle.
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#
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import sys, string
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import sys, string
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class automaton:
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class automaton:
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        while not done:
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        while not done:
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            print 'Menu:'
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            print 'Menu:'
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            print '========================================'
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            print '========================================'
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            print '1. Enter an automaton'
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            print '1. Enter an automaton'
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            print '2. Run automaton'
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            print '2. Run automaton'
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            print '3. Enable Verbose Mode'
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            print '3. %s Verbose Mode' % (self.verbose and 'Disable' or 'Enable', )
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            print '4. Disable Verbose Mode'
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            print '5. Quit'
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            print '4. Quit'
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            print
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            print
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            s = raw_input('Choice >>> ')
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            s = raw_input('Choice >>> ')
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            print
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            print
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            if s == '1':
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            if s == '1':
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                    print
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                    print
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                else:
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                else:
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                    print 'Enter an automaton first!'
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                    print 'Enter an automaton first!'
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                    print
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                    print
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            elif s == '3':
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            elif s == '3':
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                self.verbose = True
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                self.toggle_verbose()
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                print 'Verbose Mode Enabled!'
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                print 'Verbose Mode %s!' % (self.verbose and 'Enabled' or 'Disabled', )
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                print
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                print
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            elif s == '4':
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            elif s == '4':
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                self.verbose = False
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                print 'Verbose Mode Disabled!'
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                print
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            elif s == '5':
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                done = True
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                done = True
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            else:
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            else:
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                print 'Bad Selection'
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                print 'Bad Selection'
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                print
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                print
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        except ValueError:
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        except ValueError:
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            retVal = False
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            retVal = False
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        return retVal
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        return retVal
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    def enable_verbose(self):
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    def toggle_verbose(self):
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        self.verbose = True
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        if self.verbose:
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    def disable_verbose(self):
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            self.verbose = False
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        else:
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        self.verbose = False
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            self.verbose = True
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### The "main" function
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### The "main" function
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if __name__ == '__main__':
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if __name__ == '__main__':
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    a = automaton()
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    a = automaton()
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    a.main_menu()
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    a.main_menu()