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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift open source project
//
// Copyright (c) 2014-2023 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
//
//===----------------------------------------------------------------------===//
/// Represents a manifest condition.
public struct PackageConditionDescription: Codable, Hashable, Sendable {
public let platformNames: [String]
public let config: String?
public init(platformNames: [String] = [], config: String? = nil) {
assert(!(platformNames.isEmpty && config == nil))
self.platformNames = platformNames
self.config = config
}
}
/// One of possible conditions used in package manifests to restrict modules from being built for certain platforms or
/// build configurations.
public enum PackageCondition: Hashable, Sendable {
case platforms(PlatformsCondition)
case configuration(ConfigurationCondition)
public func satisfies(_ environment: BuildEnvironment) -> Bool {
switch self {
case .configuration(let configuration):
return configuration.satisfies(environment)
case .platforms(let platforms):
return platforms.satisfies(environment)
}
}
public var platformsCondition: PlatformsCondition? {
guard case let .platforms(platformsCondition) = self else {
return nil
}
return platformsCondition
}
public var configurationCondition: ConfigurationCondition? {
guard case let .configuration(configurationCondition) = self else {
return nil
}
return configurationCondition
}
public init(platforms: [Platform]) {
self = .platforms(.init(platforms: platforms))
}
public init(configuration: BuildConfiguration) {
self = .configuration(.init(configuration: configuration))
}
}
/// Platforms condition implies that an assignment is valid on these platforms.
public struct PlatformsCondition: Hashable, Sendable {
public let platforms: [Platform]
public init(platforms: [Platform]) {
assert(!platforms.isEmpty, "List of platforms should not be empty")
self.platforms = platforms
}
public func satisfies(_ environment: BuildEnvironment) -> Bool {
platforms.contains(environment.platform)
}
}
/// A configuration condition implies that an assignment is valid on
/// a particular build configuration.
public struct ConfigurationCondition: Hashable, Sendable {
public let configuration: BuildConfiguration
public init(configuration: BuildConfiguration) {
self.configuration = configuration
}
public func satisfies(_ environment: BuildEnvironment) -> Bool {
if environment.configuration == nil {
return true
} else {
return configuration == environment.configuration
}
}
}
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