Create an RLE class that employs fixed-length encoding to compress ASCII bytestreams with a limited number of characters, including the code as part of the encoded bitstream. Add code to compress() to generate a string alpha containing all of the different characters in the message and use it to generate an Alphabet for use in compress(), prepend alpha (8-bit encoding plus its length) to the compressed bitstream, and then add code to expand() to read the alphabet before expansion.
Create an RLE class that employs fixed-length encoding to compress ASCII bytestreams with a limited number of characters, including the code as part of the encoded bitstream. Add code to compress() to generate a string alpha containing all of the different characters in the message and use it to generate an Alphabet for use in compress(), prepend alpha (8-bit encoding plus its length) to the compressed bitstream, and then add code to expand() to read the alphabet before expansion.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Create an RLE class that employs fixed-length encoding to compress ASCII bytestreams with a limited number of characters, including the code as part of the encoded bitstream. Add code to compress() to generate a string alpha containing all of the different characters in the message and use it to generate an Alphabet for use in compress(), prepend alpha (8-bit encoding plus its length) to the compressed bitstream, and then add code to expand() to read the alphabet before expansion.
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