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HuffmanCompressor

oxigdal_wasm

Struct HuffmanCompressor 

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pub struct HuffmanCompressor;
Expand description

Simplified Huffman encoding

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impl HuffmanCompressor

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pub fn compress(data: &[u8]) -> Vec<u8> ⓘ

Compresses data using Huffman encoding.

Format:

  • 2 bytes: number of distinct symbols (u16 LE)
  • For each symbol: 1 byte symbol value + 4 bytes frequency (u32 LE)
  • 8 bytes: original data length (u64 LE)
  • Remaining bytes: Huffman-encoded bit stream (MSB first within each byte)
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pub fn decompress(compressed: &[u8]) -> WasmResult<Vec<u8>>

Decompresses Huffman-encoded data produced by HuffmanCompressor::compress.

Reads the frequency table stored in the header to reconstruct the identical Huffman tree, then decodes the bit stream up to the stored original length.

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