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Add the
ReadiumAdapterMinizip library (#548)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| // | ||
| // Copyright 2025 Readium Foundation. All rights reserved. | ||
| // Use of this source code is governed by the BSD-style license | ||
| // available in the top-level LICENSE file of the project. | ||
| // | ||
|
|
||
| import Foundation | ||
| import ReadiumShared | ||
|
|
||
| /// An ``ArchiveOpener`` able to open ZIP archives using Minizip. | ||
| /// | ||
| /// Compared to the default ZIPFoundation implementation shipped with | ||
| /// ReadiumShared, the ``MinizipArchiveOpener``: | ||
| /// | ||
| /// - Does not support HTTP streaming of ZIP archives. | ||
| /// - Has better performance when reading an LCP-protected package containing | ||
| /// large deflated ZIP entries (instead of stored). | ||
| public final class MinizipArchiveOpener: ArchiveOpener { | ||
| public init() {} | ||
|
|
||
| public func open(resource: any Resource, format: Format) async -> Result<ContainerAsset, ArchiveOpenError> { | ||
| guard | ||
| format.conformsTo(.zip), | ||
| let file = resource.sourceURL?.fileURL | ||
| else { | ||
| return .failure(.formatNotSupported(format)) | ||
| } | ||
|
|
||
| return await MinizipContainer.make(file: file) | ||
| .mapError { | ||
| switch $0 { | ||
| case .notAZIP: | ||
| return .formatNotSupported(format) | ||
| case let .reading(error): | ||
| return .reading(error) | ||
| } | ||
| } | ||
| .map { ContainerAsset(container: $0, format: format) } | ||
| } | ||
|
|
||
| public func sniffOpen(resource: any Resource) async -> Result<ContainerAsset, ArchiveSniffOpenError> { | ||
| guard let file = resource.sourceURL?.fileURL else { | ||
| return .failure(.formatNotRecognized) | ||
| } | ||
|
|
||
| return await MinizipContainer.make(file: file) | ||
| .mapError { | ||
| switch $0 { | ||
| case .notAZIP: | ||
| return .formatNotRecognized | ||
| case let .reading(error): | ||
| return .reading(error) | ||
| } | ||
| } | ||
| .map { | ||
| ContainerAsset( | ||
| container: $0, | ||
| format: Format( | ||
| specifications: .zip, | ||
| mediaType: .zip, | ||
| fileExtension: "zip" | ||
| ) | ||
| ) | ||
| } | ||
| } | ||
| } |
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