GitHub/SWCompression
1
0
Fork 0
mirror of https://github.com/tsolomko/SWCompression.git synced 2026-06-23 14:56:41 +00:00
Code Issues Packages Projects Releases Wiki Activity

Added gzip file members support.

Browse Source
This commit is contained in:
Timofey Solomko
2016-12-24 20:37:35 +03:00
parent 888ad5ec80
commit 07786773c5
1 changed files with 9 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Sources/GzipArchive.swift
+9 -7
View File
@@ -169,17 +169,19 @@ public class GzipArchive: Archive {
/// Object with input data which supports convenient work with bit shifts.
var pointerData = DataWithPointer(data: data, bitOrder: .reversed)
_ = try self.serviceInfo(pointerData)
var out: [UInt8] = []
// TODO: Add 'members' support.
while !pointerData.isAtTheEnd {
_ = try self.serviceInfo(pointerData)
let out = try Deflate.decompress(&pointerData)
out.append(contentsOf: try Deflate.decompress(&pointerData))
let crc32 = pointerData.intFromAlignedBytes(count: 4)
guard CheckSums.crc32(out) == crc32 else { throw GzipError.WrongCRC }
let crc32 = pointerData.intFromAlignedBytes(count: 4)
guard CheckSums.crc32(out) == crc32 else { throw GzipError.WrongCRC }
let isize = pointerData.intFromAlignedBytes(count: 4)
guard out.count % (1 << 32) == isize else { throw GzipError.WrongISize }
let isize = pointerData.intFromAlignedBytes(count: 4)
guard out.count % (1 << 32) == isize else { throw GzipError.WrongISize }
}
return Data(bytes: out)
}