mirror of
https://github.com/firebase/firebase-ios-sdk
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58 lines
1.8 KiB
Swift
58 lines
1.8 KiB
Swift
/*
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* Copyright 2026 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import Foundation
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import Logging
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/// Provides centralized logging configuration and initialization for ZipBuilder.
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public enum LoggingConfig {
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private static let lock = NSLock()
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private nonisolated(unsafe) static var isBootstrapped = false
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/// Bootstraps the swift-log logging system with standard output and LOG_LEVEL configuration.
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///
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/// Safe to call multiple times across subcommands; subsequent calls are no-ops.
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public static func bootstrap() {
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lock.lock()
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defer { lock.unlock() }
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guard !isBootstrapped else { return }
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isBootstrapped = true
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LoggingSystem.bootstrap { label in
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var handler = StreamLogHandler.standardOutput(label: label)
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if let level = ProcessInfo.processInfo.environment["LOG_LEVEL"] {
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if let parsedLevel = Logger.Level(rawValue: level.lowercased()) ?? Logger
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.Level(rawValue: level) {
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handler.logLevel = parsedLevel
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return handler
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} else {
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print(
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"""
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[WARNING]: Unrecognized log level "\(level)"; defaulting to "info".
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Valid values: \(Logger.Level.allCases.map(\.rawValue))
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"""
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)
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}
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}
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handler.logLevel = .info
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return handler
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}
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}
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}
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