From 75cc406d475758612689290b89e58064d1005bb0 Mon Sep 17 00:00:00 2001
From: Timofey Solomko <tsolomko@gmail.com>
Date: Tue, 12 May 2026 16:06:19 +0800
Subject: [PATCH] [BZip2] Add multiDecompress public function

This should help with inputs consisting of multiple BZip2 archives concatenated together which were brought up in #59.
---
 Sources/BZip2/BZip2.swift | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Sources/BZip2/BZip2.swift b/Sources/BZip2/BZip2.swift
index a8b7e556..7114a2ad 100644
--- a/Sources/BZip2/BZip2.swift
+++ b/Sources/BZip2/BZip2.swift
@@ -25,6 +25,16 @@ public class BZip2: DecompressionAlgorithm {
         return try decompress(bitReader)
     }
 
+    public static func multiDecompress(data: Data) throws -> [Data] {
+        let reader = MsbBitReader(data: data)
+        var result = [Data]()
+        while !reader.isFinished {
+            result.append(try decompress(reader))
+            reader.align()
+        }
+        return result
+    }
+
     static func decompress(_ bitReader: MsbBitReader) throws -> Data {
         // Valid BZip2 "archive" must contain at least 14 bytes of data: magic number (2 bytes), method (1 byte), and
         // block size (1 byte).