From 311fe5ae802219620d00a7267d0a3bc15550d80a Mon Sep 17 00:00:00 2001
From: Timofey Solomko <tsolomko@gmail.com>
Date: Sun, 18 Mar 2018 15:47:43 +0300
Subject: [PATCH] [7-Zip] Add property to SevenZipFolder
 orderedCompressionMethods

It lazily returns compression methods in the order used by folder.
---
 Sources/7-Zip/7zFolder.swift | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Sources/7-Zip/7zFolder.swift b/Sources/7-Zip/7zFolder.swift
index 2de3d743..79ff0f04 100644
--- a/Sources/7-Zip/7zFolder.swift
+++ b/Sources/7-Zip/7zFolder.swift
@@ -39,6 +39,10 @@ class SevenZipFolder {
     // This property is stored in SubstreamInfo.
     var numUnpackSubstreams = 1
 
+    lazy var orderedCompressionMethods: [CompressionMethod] = {
+        return self.orderedCoders().map { $0.compressionMethod }
+    }()
+
     init(_ bitReader: MsbBitReader) throws {
         numCoders = bitReader.szMbd()
         for _ in 0..<numCoders {