mirror of
https://github.com/tsolomko/SWCompression.git
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Timofey Solomko
95 lines
2.6 KiB
Swift
95 lines
2.6 KiB
Swift
// Copyright (c) 2026 Timofey Solomko
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// Licensed under MIT License
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//
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// See LICENSE for license information
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import Foundation
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/// Provides access to information about an entry from the 7-Zip container.
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public struct SevenZipEntryInfo: ContainerEntryInfo {
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// MARK: ContainerEntryInfo
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public let name: String
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public let size: Int?
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public let type: ContainerEntryType
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public let accessTime: Date?
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public let creationTime: Date?
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public let modificationTime: Date?
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public let permissions: Permissions?
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// MARK: 7-Zip specific
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/**
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Entry's "win attributes". 7-Zip internal property.
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May be useful when origin file system's attributes weren't POSIX compatible.
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*/
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public let winAttributes: UInt32?
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/// Entry's attributes in DOS format.
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public let dosAttributes: DosAttributes?
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/// True, if entry has a stream (data) inside the container. 7-Zip internal propety.
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public let hasStream: Bool
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/// True, if entry is an empty file. 7-Zip internal property.
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public let isEmpty: Bool
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/**
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True, if entry is an anti-file. Used in differential backups to indicate that file should be deleted.
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7-Zip internal property.
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*/
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public let isAnti: Bool
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/// CRC32 of entry's data.
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public let crc: UInt32?
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init(_ file: SevenZipFileInfo.File, _ size: Int? = nil, _ crc: UInt32? = nil) {
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self.hasStream = !file.isEmptyStream
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self.isEmpty = file.isEmptyFile
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self.isAnti = file.isAntiFile
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self.name = file.name
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self.accessTime = file.aTime
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self.creationTime = file.cTime
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self.modificationTime = file.mTime
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self.winAttributes = file.winAttributes
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if let attributes = self.winAttributes {
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self.permissions = Permissions(rawValue: (0x0FFF0000 & attributes) >> 16)
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self.dosAttributes = DosAttributes(rawValue: 0xFF & attributes)
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} else {
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self.permissions = nil
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self.dosAttributes = nil
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}
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// Set entry type.
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if let attributes = self.winAttributes,
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let unixType = ContainerEntryType((0xF0000000 & attributes) >> 16) {
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self.type = unixType
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} else if let dosAttributes = self.dosAttributes {
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if dosAttributes.contains(.directory) {
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self.type = .directory
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} else {
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self.type = .regular
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}
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} else if file.isEmptyStream && !file.isEmptyFile {
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self.type = .directory
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} else {
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self.type = .regular
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}
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self.crc = crc
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self.size = size
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}
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}
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