Package it.unimi.dsi.compression
package it.unimi.dsi.compression
Word-based compression/decompression classes
Classes in this package provide interfaces for the compression system, and implementations for codeword-based compression. Their main usage is the construction of prefix maps, but they are also used, for instance, for WebGraph label compression.
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ClassDescriptionA fast table-based decoder for canonical Huffman codes supporting only codes with limited (less than 64 bits) codewords.An abstract factory corresponding to an instance of a specific compression technique.Coding methods for a specific compression technique.A coder based on a set of codewords.Decoding methods for a specific compression technique.A fast coder based on a set of codewords of length at most 64.An implementation of Huffman optimal prefix-free coding.An implementation of the Hu–Tucker optimal lexicographical prefix-free code.A codec based on a set of prefix-free codewords.A coder based on a set of prefix-free codewords.A decoder that follows 0/1 labelled paths in a tree.A leaf node of the decoding tree.A internal node of the decoding tree.