| // Copyright 2021 The Tulsi Authors. All rights reserved. |
| // |
| // 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 os |
| |
| /// The top level structure of the metadata file we need to parse. |
| struct RawExplicitModulesMetadata: Codable { |
| var explicitModules: [RawExplicitModuleBody] |
| |
| private enum CodingKeys : String, CodingKey { |
| case explicitModules = "explicit_modules" |
| } |
| } |
| |
| /// An individual module in the metadata file we need to parse. |
| struct RawExplicitModuleBody: Codable { |
| /// The path to the explicit module in the bazel outputs directory. |
| var path: String |
| /// The full name of the explicit module. |
| var name: String |
| } |
| |
| /// Reads the given metadata file and returns a list of names of all explicit modules referenced in |
| /// that file. |
| func getExplicitModuleNames(fromMetadataFile metadataPath: String) throws -> [String] { |
| let metadataURL = URL(fileURLWithPath: metadataPath) |
| let data = try Data(contentsOf: metadataURL) |
| let jsonData = try JSONDecoder().decode(RawExplicitModulesMetadata.self, from: data) |
| return jsonData.explicitModules.map { $0.name } |
| } |