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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift open source project
//
// Copyright (c) 2024 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
//
//===----------------------------------------------------------------------===//
/// A key used to access values in an ``Environment``.
///
/// This type respects the compiled platform's case sensitivity requirements.
public struct EnvironmentKey {
public var rawValue: String
package init(_ rawValue: String) {
self.rawValue = rawValue
}
}
extension EnvironmentKey {
package static let path: Self = "PATH"
/// A set of known keys which should not be included in cache keys.
package static let nonCachable: Set<Self> = [
"TERM",
"TERM_PROGRAM",
"TERM_PROGRAM_VERSION",
"TERM_SESSION_ID",
"ITERM_PROFILE",
"ITERM_SESSION_ID",
"SECURITYSESSIONID",
"LaunchInstanceID",
"LC_TERMINAL",
"LC_TERMINAL_VERSION",
"CLICOLOR",
"LS_COLORS",
"VSCODE_IPC_HOOK_CLI",
"HYPERFINE_RANDOMIZED_ENVIRONMENT_OFFSET",
"SSH_AUTH_SOCK",
]
}
extension EnvironmentKey: CodingKeyRepresentable {}
extension EnvironmentKey: Comparable {
public static func < (lhs: Self, rhs: Self) -> Bool {
// Even on windows use a stable sort order.
lhs.rawValue < rhs.rawValue
}
}
extension EnvironmentKey: CustomStringConvertible {
public var description: String { self.rawValue }
}
extension EnvironmentKey: Encodable {
public func encode(to encoder: any Encoder) throws {
try self.rawValue.encode(to: encoder)
}
}
extension EnvironmentKey: Equatable {
public static func == (_ lhs: Self, _ rhs: Self) -> Bool {
#if os(Windows)
lhs.rawValue.lowercased() == rhs.rawValue.lowercased()
#else
lhs.rawValue == rhs.rawValue
#endif
}
}
extension EnvironmentKey: ExpressibleByStringLiteral {
public init(stringLiteral rawValue: String) {
self.init(rawValue)
}
}
extension EnvironmentKey: Decodable {
public init(from decoder: any Decoder) throws {
self.rawValue = try String(from: decoder)
}
}
extension EnvironmentKey: Hashable {
public func hash(into hasher: inout Hasher) {
#if os(Windows)
self.rawValue.lowercased().hash(into: &hasher)
#else
self.rawValue.hash(into: &hasher)
#endif
}
}
extension EnvironmentKey: RawRepresentable {
public init?(rawValue: String) {
self.rawValue = rawValue
}
}
extension EnvironmentKey: Sendable {}
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