pgm07_09.txt

Data Structures And Algorithms With Object-Oriented Design Patterns In Python (2003) source code and

#
# This file contains the Python code from Program 7.9 of
# "Data Structures and Algorithms
# with Object-Oriented Design Patterns in Python"
# by Bruno R. Preiss.
#
# Copyright (c) 2003 by Bruno R. Preiss, P.Eng.  All rights reserved.
#
# http://www.brpreiss.com/books/opus7/programs/pgm07_09.txt
#
class OrderedListAsArray(OrderedList):

    class Cursor(Cursor):

        def insertAfter(self, obj):
            if self._offset < 0 \
                    or self._offset >= self._list._count:
                raise IndexError
            if self._list._count == len(self._list._array):
                raise ContainerFull
            insertPosition = self._offset + 1
            i = self._list._count
            while i > insertPosition:
                self._list._array[i] = self._list._array[i - 1]
                i -= 1
            self._list._array[insertPosition] = obj
            self._list._count += 1

        # ...

    # ...