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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift open source project
//
// Copyright (c) 2014-2020 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import Basics
import PackageGraph
import PackageModel
import SourceControl
extension Workspace {
/// A downloaded artifact managed by the workspace.
public struct ManagedArtifact {
/// The package reference.
public let packageRef: PackageReference
/// The name of the binary target the artifact corresponds to.
public let targetName: String
/// The source of the artifact (local or remote).
public let source: Source
/// The path of the artifact on disk
public let path: AbsolutePath
public let kind: BinaryModule.Kind
public init(
packageRef: PackageReference,
targetName: String,
source: Source,
path: AbsolutePath,
kind: BinaryModule.Kind
) {
self.packageRef = packageRef
self.targetName = targetName
self.source = source
self.path = path
self.kind = kind
}
/// Create an artifact downloaded from a remote url.
public static func remote(
packageRef: PackageReference,
targetName: String,
url: String,
checksum: String,
path: AbsolutePath,
kind: BinaryModule.Kind
) -> ManagedArtifact {
return ManagedArtifact(
packageRef: packageRef,
targetName: targetName,
source: .remote(url: url, checksum: checksum),
path: path,
kind: kind
)
}
/// Create an artifact present locally on the filesystem.
public static func local(
packageRef: PackageReference,
targetName: String,
path: AbsolutePath,
kind: BinaryModule.Kind,
checksum: String? = nil
) -> ManagedArtifact {
return ManagedArtifact(
packageRef: packageRef,
targetName: targetName,
source: .local(checksum: checksum),
path: path,
kind: kind
)
}
/// Represents the source of the artifact.
public enum Source: Equatable {
/// Represents a remote artifact, with the url it was downloaded from, its checksum, and its path relative to
/// the workspace artifacts path.
case remote(url: String, checksum: String)
/// Represents a locally available artifact, with its path relative either to its package or to the workspace artifacts
/// path, in the latter case, the checksum of the local archive the artifact was extracted from is set.
case local(checksum: String? = nil)
}
}
}
extension Workspace.ManagedArtifact: CustomStringConvertible {
public var description: String {
return "<ManagedArtifact: \(self.packageRef.identity).\(self.targetName) \(self.source) \(self.path)>"
}
}
extension Workspace.ManagedArtifact.Source: CustomStringConvertible {
public var description: String {
switch self {
case .local(let checksum):
return "local(checksum: \(checksum ?? "nil"))"
case .remote(let url, let checksum):
return "remote(url: \(url), checksum: \(checksum))"
}
}
}
// MARK: - ManagedArtifacts
extension Workspace {
/// A collection of managed artifacts which have been downloaded.
public final class ManagedArtifacts {
/// A mapping from package identity, to target name, to ManagedArtifact.
private var artifactMap: [PackageIdentity: [String: ManagedArtifact]]
internal var artifacts: AnyCollection<ManagedArtifact> {
AnyCollection(self.artifactMap.values.lazy.flatMap{ $0.values })
}
init() {
self.artifactMap = [:]
}
init(_ artifacts: [ManagedArtifact]) throws {
let artifactsByPackagePath = Dictionary(grouping: artifacts, by: { $0.packageRef.identity })
self.artifactMap = try artifactsByPackagePath.mapValues{ artifacts in
// rdar://86857825 do not use Dictionary(uniqueKeysWithValues:) as it can crash the process when input is incorrect such as in older versions of SwiftPM
var map = [String: ManagedArtifact]()
for artifact in artifacts {
if map[artifact.targetName] != nil {
throw StringError("binary artifact for '\(artifact.targetName)' already exists in managed artifacts")
}
map[artifact.targetName] = artifact
}
return map
}
}
public subscript(packageIdentity packageIdentity: PackageIdentity, targetName targetName: String) -> ManagedArtifact? {
self.artifactMap[packageIdentity]?[targetName]
}
public func add(_ artifact: ManagedArtifact) {
self.artifactMap[artifact.packageRef.identity, default: [:]][artifact.targetName] = artifact
}
public func remove(packageIdentity: PackageIdentity, targetName: String) {
self.artifactMap[packageIdentity]?[targetName] = nil
}
}
}
extension Workspace.ManagedArtifacts: Collection {
public var startIndex: AnyIndex {
self.artifacts.startIndex
}
public var endIndex: AnyIndex {
self.artifacts.endIndex
}
public subscript(index: AnyIndex) -> Workspace.ManagedArtifact {
self.artifacts[index]
}
public func index(after index: AnyIndex) -> AnyIndex {
self.artifacts.index(after: index)
}
}
extension Workspace.ManagedArtifacts: CustomStringConvertible {
public var description: String {
"<ManagedArtifacts: \(Array(self.artifacts))>"
}
}
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