81 lines
2.9 KiB
Swift
81 lines
2.9 KiB
Swift
// Copyright (c) 2023 Spotify AB.
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//
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// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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import Foundation
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import XCRemoteCache
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public enum XCLibtoolHelperError: Error {
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case missingOutput
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case unsupportedMode
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}
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public class XCLibtoolHelper {
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public static func buildMode(args: [String]) throws -> XCLibtoolMode {
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var output: String?
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// all input arguments are '*.a' or no path extension. Used to create an universal binary
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var inputLibraries: [String] = []
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var filelist: String?
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var dependencyInfo: String?
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var asksForVersion = false
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var i = 0
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while i < args.count {
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switch args[i] {
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case "-V":
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asksForVersion = true
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case "-o":
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output = args[i + 1]
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i += 1
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case "-filelist":
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filelist = args[i + 1]
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i += 1
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case "-dependency_info":
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dependencyInfo = args[i + 1]
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i += 1
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case let input where input.starts(with: "/") &&
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["", "a"].contains(URL(fileURLWithPath: input).pathExtension):
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// Assume always absolute paths to the library
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// Support for static frameworks (no extension) and static libraries (.a)
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inputLibraries.append(input)
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default:
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break
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}
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i += 1
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}
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if asksForVersion {
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return .version
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}
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guard let outputInput = output else {
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throw XCLibtoolHelperError.missingOutput
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}
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let mode: XCLibtoolMode
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if let filelistInput = filelist, let dependencyInfoInput = dependencyInfo {
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// libtool is creating a library
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mode = .createLibrary(output: outputInput, filelist: filelistInput, dependencyInfo: dependencyInfoInput)
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} else if !inputLibraries.isEmpty {
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// multiple input libraries suggest creating an universal binary
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mode = .createUniversalBinary(output: outputInput, inputs: inputLibraries)
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} else {
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// unknown mode
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throw XCLibtoolHelperError.unsupportedMode
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}
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return mode
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}
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}
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