carton/Sources/SwiftToolchain/ToolchainError.swift

50 lines
2.0 KiB
Swift

// Copyright 2020 Carton contributors
//
// Licensed 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.
import Foundation
import CartonHelpers
enum ToolchainError: Error, CustomStringConvertible {
case directoryDoesNotExist(AbsolutePath)
case invalidInstallationArchive(AbsolutePath)
case invalidVersion(version: String)
case notHTTPURLResponse(url: String)
case invalidResponse(url: String, status: Int, body: Data)
case unsupportedOperatingSystem
case noInstallationDirectory(path: String)
var description: String {
switch self {
case let .directoryDoesNotExist(path):
return "Directory at path \(path.pathString) does not exist and could not be created"
case let .invalidInstallationArchive(path):
return "Invalid toolchain/SDK archive was installed at path \(path)"
case let .invalidVersion(version):
return "Invalid version \(version)"
case let .notHTTPURLResponse(url: url):
return "Response from \(url) is not HTTPURLResponse"
case let .invalidResponse(url: url, status: status, body: body):
var t = "Response from \(url) had invalid status \(status) with a body of \(body.count) bytes: "
t += String(decoding: body, as: UTF8.self)
return t
case .unsupportedOperatingSystem:
return "This version of the operating system is not supported"
case let .noInstallationDirectory(path):
return """
Failed to infer toolchain installation directory. Please make sure that \(path) exists.
"""
}
}
}