From 842f4a85693b418af81560738aa3136ac500d9b1 Mon Sep 17 00:00:00 2001 From: Valentin Popov Date: Tue, 10 Feb 2026 08:38:58 +0000 Subject: Implement LZSS decompression with optional XOR decryption - Added `lzss_decompress_simple` function for LZSS decompression in `lzss.rs`. - Introduced `XorState` struct and `xor_stream` function for XOR decryption in `xor.rs`. - Updated `mod.rs` to include new LZSS and XOR modules. - Refactored `parse_library` function in `parse.rs` to utilize the new XOR decryption functionality. - Cleaned up and organized code in `lib.rs` by removing redundant functions and structures. - Added tests for new functionality in `tests.rs`. --- crates/rsli/src/compress/deflate.rs | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) create mode 100644 crates/rsli/src/compress/deflate.rs (limited to 'crates/rsli/src/compress/deflate.rs') diff --git a/crates/rsli/src/compress/deflate.rs b/crates/rsli/src/compress/deflate.rs new file mode 100644 index 0000000..154e0e3 --- /dev/null +++ b/crates/rsli/src/compress/deflate.rs @@ -0,0 +1,19 @@ +use crate::error::Error; +use crate::Result; +use flate2::read::{DeflateDecoder, ZlibDecoder}; +use std::io::Read; + +/// Decode Deflate or Zlib compressed data +pub fn decode_deflate(packed: &[u8]) -> Result> { + let mut out = Vec::new(); + let mut decoder = DeflateDecoder::new(packed); + if decoder.read_to_end(&mut out).is_ok() { + return Ok(out); + } + + out.clear(); + let mut zlib = ZlibDecoder::new(packed); + zlib.read_to_end(&mut out) + .map_err(|_| Error::DecompressionFailed("deflate"))?; + Ok(out) +} -- cgit v1.2.3