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Merge pull request #149 from polac24/20220606-publish-swifth-md5
Support exposing enums from ObjC via Bridging headers
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,80 @@ | ||
| // Copyright (c) 2022 Spotify AB. | ||
| // | ||
| // Licensed to the Apache Software Foundation (ASF) under one | ||
| // or more contributor license agreements. See the NOTICE file | ||
| // distributed with this work for additional information | ||
| // regarding copyright ownership. The ASF licenses this file | ||
| // to you under the Apache License, Version 2.0 (the | ||
| // "License"); you may not use this file except in compliance | ||
| // with the License. You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, | ||
| // software distributed under the License is distributed on an | ||
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| // KIND, either express or implied. See the License for the | ||
| // specific language governing permissions and limitations | ||
| // under the License. | ||
|
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| import Foundation | ||
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| /// Performs a pre/postprocessing on an artifact package | ||
| /// Could be a place for file reorganization (to support legacy package formats) and/or | ||
| /// remapp absolute paths in some package files | ||
| protocol ArtifactProcessor { | ||
| /// Processes a raw artifact in a directory. Raw artifact is a format of an artifact | ||
| /// that is stored in a remote cache server (generic) | ||
| /// - Parameter rawArtifact: directory that contains raw artifact content | ||
| func process(rawArtifact: URL) throws | ||
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| /// Processes a local artifact in a directory | ||
| /// - Parameter localArtifact: directory that contains local (machine-specific) artifact content | ||
| func process(localArtifact: URL) throws | ||
| } | ||
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| /// Processes downloaded artifact by replacing generic paths in generated ObjC headers placed in ./include | ||
| class UnzippedArtifactProcessor: ArtifactProcessor { | ||
| /// All directories in an artifact that should be processed by path remapping | ||
| private static let remappingDirs = ["include"] | ||
| private let fileRemapper: FileDependenciesRemapper | ||
| private let dirScanner: DirScanner | ||
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| init(fileRemapper: FileDependenciesRemapper, dirScanner: DirScanner) { | ||
| self.fileRemapper = fileRemapper | ||
| self.dirScanner = dirScanner | ||
| } | ||
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| private func findProcessingEligableFiles(path: String) throws -> [URL] { | ||
| let remappingURL = URL(fileURLWithPath: path) | ||
| let allFiles = try dirScanner.recursiveItems(at: remappingURL) | ||
| return allFiles.filter({ !$0.isHidden }) | ||
| } | ||
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| /// Replaces all generic paths in a raw artifact's `include` dir with | ||
| /// absolute paths, specific for a given machine and configuration | ||
| /// - Parameter rawArtifact: raw artifact location | ||
| func process(rawArtifact url: URL) throws { | ||
| for remappingDir in Self.remappingDirs { | ||
| let remappingPath = url.appendingPathComponent(remappingDir).path | ||
| let allFiles = try findProcessingEligableFiles(path: remappingPath) | ||
| try allFiles.forEach(fileRemapper.remap(fromGeneric:)) | ||
| } | ||
| } | ||
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| func process(localArtifact url: URL) throws { | ||
| for remappingDir in Self.remappingDirs { | ||
| let remappingPath = url.appendingPathComponent(remappingDir).path | ||
| let allFiles = try findProcessingEligableFiles(path: remappingPath) | ||
| try allFiles.forEach(fileRemapper.remap(fromLocal:)) | ||
| } | ||
| } | ||
| } | ||
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| fileprivate extension URL { | ||
| // Recognize hidden files starting with a dot | ||
| var isHidden: Bool { | ||
| lastPathComponent.hasPrefix(".") | ||
| } | ||
| } |
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81 changes: 81 additions & 0 deletions
81
Sources/XCRemoteCache/Artifacts/FileDependenciesRemapper.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| // Copyright (c) 2022 Spotify AB. | ||
| // | ||
| // Licensed to the Apache Software Foundation (ASF) under one | ||
| // or more contributor license agreements. See the NOTICE file | ||
| // distributed with this work for additional information | ||
| // regarding copyright ownership. The ASF licenses this file | ||
| // to you under the Apache License, Version 2.0 (the | ||
| // "License"); you may not use this file except in compliance | ||
| // with the License. You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, | ||
| // software distributed under the License is distributed on an | ||
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| // KIND, either express or implied. See the License for the | ||
| // specific language governing permissions and limitations | ||
| // under the License. | ||
|
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| import Foundation | ||
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| enum FileDependenciesRemapperError: Error { | ||
| /// Thrown when the file to remap is invalid (e.g. doesn't exist or has unexpected format) | ||
| case invalidRemappingFile(URL) | ||
| } | ||
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| /// Replaces paths in a file content between generic (placeholder-based) | ||
| /// and local formats | ||
| protocol FileDependenciesRemapper { | ||
| /// Replaces all generic paths (with placeholders) to a local, machine | ||
| /// specific absolute paths | ||
| /// - Parameter url: location of a file that should be remapped in-place | ||
| func remap(fromGeneric url: URL) throws | ||
| /// Replaces all local, machine specific absolute paths to | ||
| /// generic ones | ||
| /// - Parameter url: location of a file that should be remapped in-place | ||
| func remap(fromLocal url: URL) throws | ||
| } | ||
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| /// Remaps absolute paths in a text files stored on a disk | ||
| /// Note: That class can be used only for text-based files, not binaries | ||
| class TextFileDependenciesRemapper: FileDependenciesRemapper { | ||
| private static let linesSeparator = "\n" | ||
| private let remapper: DependenciesRemapper | ||
| private let fileAccessor: FileAccessor | ||
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| init(remapper: DependenciesRemapper, fileAccessor: FileAccessor) { | ||
| self.remapper = remapper | ||
| self.fileAccessor = fileAccessor | ||
| } | ||
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| private func readFileLines(_ url: URL) throws -> [String] { | ||
| guard let content = try fileAccessor.contents(atPath: url.path) else { | ||
| // the file is empty | ||
| return [] | ||
| } | ||
| guard let contentString = String(data: content, encoding: .utf8) else { | ||
| throw FileDependenciesRemapperError.invalidRemappingFile(url) | ||
| } | ||
| return contentString.components(separatedBy: .newlines) | ||
| } | ||
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| private func storeFileLines(lines: [String], url: URL) throws { | ||
| let contentString = lines.joined(separator: "\n") | ||
| let contentData = contentString.data(using: String.Encoding.utf8) | ||
| try fileAccessor.write(toPath: url.path, contents: contentData) | ||
| } | ||
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| func remap(fromGeneric url: URL) throws { | ||
| let contentLines = try readFileLines(url) | ||
| let remappedContent = try remapper.replace(genericPaths: contentLines) | ||
| try storeFileLines(lines: remappedContent, url: url) | ||
| } | ||
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| func remap(fromLocal url: URL) throws { | ||
| let contentLines = try readFileLines(url) | ||
| let remappedContent = try remapper.replace(localPaths: contentLines) | ||
| try storeFileLines(lines: remappedContent, url: url) | ||
| } | ||
| } |
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