zhuxfcn的专栏

LZX压缩格式的微软官方的说明书， 英文全称：Microsoft LZX Data Compression Format 目录： INTRODUCTION .3 CONCEPTS .....3 LZ77..........3 Bitstream.....3 Window size ..3 Trees ........4 Repeated offsets ....4 Constants .............5 LZX COMPRESSED DATA FORMAT....5 Cabinet block size......5 Header structure........6 Encoder preprocessing...6 Block structure.........7 Uncompressed block format..8 Verbatim block.............8 Aligned offset block ......8 Encoding the trees and pre-trees....8 Compressed literals .........9 Match offset ->Formatted offset .......12 Formatted offset -> Position slot, Position footer ......12 Position footer -> Verbatim bits, Aligned offset bits .......15 Match length -> Length header, Length footer ........16 Length header, Position slot ?? Length/Position header...16 Encoding a match.....16 Decoding a match or an uncompressed character .....17