packages/flutter_tools/lib/src/xcode_project.dart - mirrors/flutter - Git at Google

 // Copyright 2014 The Flutter Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

 import 'base/error_handling_io.dart';
 import 'base/file_system.dart';
 import 'base/utils.dart';
 import 'build_info.dart';
 import 'bundle.dart' as bundle;
 import 'flutter_plugins.dart';
 import 'globals.dart' as globals;
 import 'ios/code_signing.dart';
 import 'ios/plist_parser.dart';
 import 'ios/xcode_build_settings.dart' as xcode;
 import 'ios/xcodeproj.dart';
 import 'platform_plugins.dart';
 import 'project.dart';
 import 'template.dart';

 /// Represents an Xcode-based sub-project.
 ///
 /// This defines interfaces common to iOS and macOS projects.
 abstract class XcodeBasedProject extends FlutterProjectPlatform  {
   static const String _hostAppProjectName = 'Runner';

   /// The parent of this project.
   FlutterProject get parent;

   Directory get hostAppRoot;

   /// The default 'Info.plist' file of the host app. The developer can change this location in Xcode.
   File get defaultHostInfoPlist => hostAppRoot.childDirectory(_hostAppProjectName).childFile('Info.plist');

   /// The Xcode project (.xcodeproj directory) of the host app.
   Directory get xcodeProject => hostAppRoot.childDirectory('$_hostAppProjectName.xcodeproj');

   /// The 'project.pbxproj' file of [xcodeProject].
   File get xcodeProjectInfoFile => xcodeProject.childFile('project.pbxproj');

   /// The 'Runner.xcscheme' file of [xcodeProject].
   File get xcodeProjectSchemeFile =>
       xcodeProject.childDirectory('xcshareddata').childDirectory('xcschemes').childFile('Runner.xcscheme');

   File get xcodeProjectWorkspaceData =>
       xcodeProject
           .childDirectory('project.xcworkspace')
           .childFile('contents.xcworkspacedata');

   /// The Xcode workspace (.xcworkspace directory) of the host app.
   Directory get xcodeWorkspace => hostAppRoot.childDirectory('$_hostAppProjectName.xcworkspace');

   /// Xcode workspace shared data directory for the host app.
   Directory get xcodeWorkspaceSharedData => xcodeWorkspace.childDirectory('xcshareddata');

   /// Xcode workspace shared workspace settings file for the host app.
   File get xcodeWorkspaceSharedSettings => xcodeWorkspaceSharedData.childFile('WorkspaceSettings.xcsettings');

   /// Contains definitions for FLUTTER_ROOT, LOCAL_ENGINE, and more flags for
   /// the Xcode build.
   File get generatedXcodePropertiesFile;

   /// The Flutter-managed Xcode config file for [mode].
   File xcodeConfigFor(String mode);

   /// The script that exports environment variables needed for Flutter tools.
   /// Can be run first in a Xcode Script build phase to make FLUTTER_ROOT,
   /// LOCAL_ENGINE, and other Flutter variables available to any flutter
   /// tooling (`flutter build`, etc) to convert into flags.
   File get generatedEnvironmentVariableExportScript;

   /// The CocoaPods 'Podfile'.
   File get podfile => hostAppRoot.childFile('Podfile');

   /// The CocoaPods 'Podfile.lock'.
   File get podfileLock => hostAppRoot.childFile('Podfile.lock');

   /// The CocoaPods 'Manifest.lock'.
   File get podManifestLock => hostAppRoot.childDirectory('Pods').childFile('Manifest.lock');
 }

 /// Represents the iOS sub-project of a Flutter project.
 ///
 /// Instances will reflect the contents of the `ios/` sub-folder of
 /// Flutter applications and the `.ios/` sub-folder of Flutter module projects.
 class IosProject extends XcodeBasedProject {
   IosProject.fromFlutter(this.parent);

   @override
   final FlutterProject parent;

   @override
   String get pluginConfigKey => IOSPlugin.kConfigKey;

   static final RegExp _productBundleIdPattern = RegExp(r'''^\s*PRODUCT_BUNDLE_IDENTIFIER\s*=\s*(["']?)(.*?)\1;\s*$''');
   static const String _productBundleIdVariable = r'$(PRODUCT_BUNDLE_IDENTIFIER)';

   Directory get ephemeralModuleDirectory => parent.directory.childDirectory('.ios');
   Directory get _editableDirectory => parent.directory.childDirectory('ios');

   /// This parent folder of `Runner.xcodeproj`.
   @override
   Directory get hostAppRoot {
     if (!isModule || _editableDirectory.existsSync()) {
       return _editableDirectory;
     }
     return ephemeralModuleDirectory;
   }

   /// The root directory of the iOS wrapping of Flutter and plugins. This is the
   /// parent of the `Flutter/` folder into which Flutter artifacts are written
   /// during build.
   ///
   /// This is the same as [hostAppRoot] except when the project is
   /// a Flutter module with an editable host app.
   Directory get _flutterLibRoot => isModule ? ephemeralModuleDirectory : _editableDirectory;

   /// True, if the parent Flutter project is a module project.
   bool get isModule => parent.isModule;

   /// Whether the Flutter application has an iOS project.
   bool get exists => hostAppRoot.existsSync();

   /// Put generated files here.
   Directory get ephemeralDirectory => _flutterLibRoot.childDirectory('Flutter').childDirectory('ephemeral');

   @override
   File xcodeConfigFor(String mode) => _flutterLibRoot.childDirectory('Flutter').childFile('$mode.xcconfig');

   @override
   File get generatedEnvironmentVariableExportScript => _flutterLibRoot.childDirectory('Flutter').childFile('flutter_export_environment.sh');

   File get appFrameworkInfoPlist => _flutterLibRoot.childDirectory('Flutter').childFile('AppFrameworkInfo.plist');

   Directory get symlinks => _flutterLibRoot.childDirectory('.symlinks');

   /// True, if the app project is using swift.
   bool get isSwift {
     final File appDelegateSwift = _editableDirectory.childDirectory('Runner').childFile('AppDelegate.swift');
     return appDelegateSwift.existsSync();
   }

   /// Do all plugins support arm64 simulators to run natively on an ARM Mac?
   Future<bool> pluginsSupportArmSimulator() async {
     final Directory podXcodeProject = hostAppRoot
         .childDirectory('Pods')
         .childDirectory('Pods.xcodeproj');
     if (!podXcodeProject.existsSync()) {
       // No plugins.
       return true;
     }

     final XcodeProjectInterpreter? xcodeProjectInterpreter = globals.xcodeProjectInterpreter;
     if (xcodeProjectInterpreter == null) {
       // Xcode isn't installed, don't try to check.
       return false;
     }
     final String? buildSettings = await xcodeProjectInterpreter.pluginsBuildSettingsOutput(podXcodeProject);

     // See if any plugins or their dependencies exclude arm64 simulators
     // as a valid architecture, usually because a binary is missing that slice.
     // Example: EXCLUDED_ARCHS = arm64 i386
     // NOT: EXCLUDED_ARCHS = i386
     return buildSettings != null && !buildSettings.contains(RegExp('EXCLUDED_ARCHS.*arm64'));
   }

   @override
   bool existsSync()  {
     return parent.isModule || _editableDirectory.existsSync();
   }

   /// The product bundle identifier of the host app, or null if not set or if
   /// iOS tooling needed to read it is not installed.
   Future<String?> productBundleIdentifier(BuildInfo? buildInfo) async {
     if (!existsSync()) {
       return null;
     }
     return _productBundleIdentifier ??= await _parseProductBundleIdentifier(buildInfo);
   }
   String? _productBundleIdentifier;

   Future<String?> _parseProductBundleIdentifier(BuildInfo? buildInfo) async {
     String? fromPlist;
     final File defaultInfoPlist = defaultHostInfoPlist;
     // Users can change the location of the Info.plist.
     // Try parsing the default, first.
     if (defaultInfoPlist.existsSync()) {
       try {
         fromPlist = globals.plistParser.getStringValueFromFile(
           defaultHostInfoPlist.path,
           PlistParser.kCFBundleIdentifierKey,
         );
       } on FileNotFoundException {
         // iOS tooling not found; likely not running OSX; let [fromPlist] be null
       }
       if (fromPlist != null && !fromPlist.contains(r'$')) {
         // Info.plist has no build variables in product bundle ID.
         return fromPlist;
       }
     }
     final Map<String, String>? allBuildSettings = await buildSettingsForBuildInfo(buildInfo);
     if (allBuildSettings != null) {
       if (fromPlist != null) {
         // Perform variable substitution using build settings.
         return substituteXcodeVariables(fromPlist, allBuildSettings);
       }
       return allBuildSettings['PRODUCT_BUNDLE_IDENTIFIER'];
     }

     // On non-macOS platforms, parse the first PRODUCT_BUNDLE_IDENTIFIER from
     // the project file. This can return the wrong bundle identifier if additional
     // bundles have been added to the project and are found first, like frameworks
     // or companion watchOS projects. However, on non-macOS platforms this is
     // only used for display purposes and to regenerate organization names, so
     // best-effort is probably fine.
     final String? fromPbxproj = firstMatchInFile(xcodeProjectInfoFile, _productBundleIdPattern)?.group(2);
     if (fromPbxproj != null && (fromPlist == null || fromPlist == _productBundleIdVariable)) {
       return fromPbxproj;
     }

     return null;
   }

   /// The bundle name of the host app, `My App.app`.
   Future<String?> hostAppBundleName(BuildInfo? buildInfo) async {
     if (!existsSync()) {
       return null;
     }
     return _hostAppBundleName ??= await _parseHostAppBundleName(buildInfo);
   }
   String? _hostAppBundleName;

   Future<String> _parseHostAppBundleName(BuildInfo? buildInfo) async {
     // The product name and bundle name are derived from the display name, which the user
     // is instructed to change in Xcode as part of deploying to the App Store.
     // https://flutter.dev/docs/deployment/ios#review-xcode-project-settings
     // The only source of truth for the name is Xcode's interpretation of the build settings.
     String? productName;
     if (globals.xcodeProjectInterpreter?.isInstalled ?? false) {
       final Map<String, String>? xcodeBuildSettings = await buildSettingsForBuildInfo(buildInfo);
       if (xcodeBuildSettings != null) {
         productName = xcodeBuildSettings['FULL_PRODUCT_NAME'];
       }
     }
     if (productName == null) {
       globals.printTrace('FULL_PRODUCT_NAME not present, defaulting to ${XcodeBasedProject._hostAppProjectName}');
     }
     return productName ?? '${XcodeBasedProject._hostAppProjectName}.app';
   }

   /// The build settings for the host app of this project, as a detached map.
   ///
   /// Returns null, if iOS tooling is unavailable.
   Future<Map<String, String>?> buildSettingsForBuildInfo(
     BuildInfo? buildInfo, {
     EnvironmentType environmentType = EnvironmentType.physical,
     String? deviceId,
   }) async {
     if (!existsSync()) {
       return null;
     }
     final XcodeProjectInfo? info = await projectInfo();
     if (info == null) {
       return null;
     }

     final String? scheme = info.schemeFor(buildInfo);
     if (scheme == null) {
       info.reportFlavorNotFoundAndExit();
     }

     final String? configuration = (await projectInfo())?.buildConfigurationFor(
       buildInfo,
       scheme,
     );
     final XcodeProjectBuildContext buildContext = XcodeProjectBuildContext(
       environmentType: environmentType,
       scheme: scheme,
       configuration: configuration,
       deviceId: deviceId,
     );
     final Map<String, String>? currentBuildSettings = _buildSettingsByBuildContext[buildContext];
     if (currentBuildSettings == null) {
       final Map<String, String>? calculatedBuildSettings = await _xcodeProjectBuildSettings(buildContext);
       if (calculatedBuildSettings != null) {
         _buildSettingsByBuildContext[buildContext] = calculatedBuildSettings;
       }
     }
     return _buildSettingsByBuildContext[buildContext];
   }

   final Map<XcodeProjectBuildContext, Map<String, String>> _buildSettingsByBuildContext = <XcodeProjectBuildContext, Map<String, String>>{};

   Future<XcodeProjectInfo?> projectInfo() async {
     final XcodeProjectInterpreter? xcodeProjectInterpreter = globals.xcodeProjectInterpreter;
     if (!xcodeProject.existsSync() || xcodeProjectInterpreter == null || !xcodeProjectInterpreter.isInstalled) {
       return null;
     }
     return _projectInfo ??= await xcodeProjectInterpreter.getInfo(hostAppRoot.path);
   }
   XcodeProjectInfo? _projectInfo;

   Future<Map<String, String>?> _xcodeProjectBuildSettings(XcodeProjectBuildContext buildContext) async {
     final XcodeProjectInterpreter? xcodeProjectInterpreter = globals.xcodeProjectInterpreter;
     if (xcodeProjectInterpreter == null || !xcodeProjectInterpreter.isInstalled) {
       return null;
     }

     final Map<String, String> buildSettings = await xcodeProjectInterpreter.getBuildSettings(
       xcodeProject.path,
       buildContext: buildContext,
     );
     if (buildSettings != null && buildSettings.isNotEmpty) {
       // No timeouts, flakes, or errors.
       return buildSettings;
     }
     return null;
   }

   Future<void> ensureReadyForPlatformSpecificTooling() async {
     await _regenerateFromTemplateIfNeeded();
     if (!_flutterLibRoot.existsSync()) {
       return;
     }
     await _updateGeneratedXcodeConfigIfNeeded();
   }

   /// Check if one the [targets] of the project is a watchOS companion app target.
   Future<bool> containsWatchCompanion(List<String> targets, BuildInfo buildInfo, String? deviceId) async {
     final String? bundleIdentifier = await productBundleIdentifier(buildInfo);
     // A bundle identifier is required for a companion app.
     if (bundleIdentifier == null) {
       return false;
     }
     for (final String target in targets) {
       // Create Info.plist file of the target.
       final File infoFile = hostAppRoot.childDirectory(target).childFile('Info.plist');
       // The Info.plist file of a target contains the key WKCompanionAppBundleIdentifier,
       // if it is a watchOS companion app.
       if (infoFile.existsSync()) {
         final String? fromPlist = globals.plistParser.getStringValueFromFile(infoFile.path, 'WKCompanionAppBundleIdentifier');
         if (bundleIdentifier == fromPlist) {
           return true;
         }

         // The key WKCompanionAppBundleIdentifier might contain an xcode variable
         // that needs to be substituted before comparing it with bundle id
         if (fromPlist != null && fromPlist.contains(r'$')) {
           final Map<String, String>? allBuildSettings = await buildSettingsForBuildInfo(buildInfo, deviceId: deviceId);
           if (allBuildSettings != null) {
             final String substitutedVariable = substituteXcodeVariables(fromPlist, allBuildSettings);
             if (substitutedVariable == bundleIdentifier) {
               return true;
             }
           }
         }
       }
     }
     return false;
   }

   Future<void> _updateGeneratedXcodeConfigIfNeeded() async {
     if (globals.cache.isOlderThanToolsStamp(generatedXcodePropertiesFile)) {
       await xcode.updateGeneratedXcodeProperties(
         project: parent,
         buildInfo: BuildInfo.debug,
         targetOverride: bundle.defaultMainPath,
       );
     }
   }

   Future<void> _regenerateFromTemplateIfNeeded() async {
     if (!isModule) {
       return;
     }
     final bool pubspecChanged = globals.fsUtils.isOlderThanReference(
       entity: ephemeralModuleDirectory,
       referenceFile: parent.pubspecFile,
     );
     final bool toolingChanged = globals.cache.isOlderThanToolsStamp(ephemeralModuleDirectory);
     if (!pubspecChanged && !toolingChanged) {
       return;
     }

     ErrorHandlingFileSystem.deleteIfExists(ephemeralModuleDirectory, recursive: true);
     await _overwriteFromTemplate(
       globals.fs.path.join('module', 'ios', 'library'),
       ephemeralModuleDirectory,
     );
     // Add ephemeral host app, if a editable host app does not already exist.
     if (!_editableDirectory.existsSync()) {
       await _overwriteFromTemplate(
         globals.fs.path.join('module', 'ios', 'host_app_ephemeral'),
         ephemeralModuleDirectory,
       );
       if (hasPlugins(parent)) {
         await _overwriteFromTemplate(
           globals.fs.path.join('module', 'ios', 'host_app_ephemeral_cocoapods'),
           ephemeralModuleDirectory,
         );
       }
     }
   }

   @override
   File get generatedXcodePropertiesFile => _flutterLibRoot
     .childDirectory('Flutter')
     .childFile('Generated.xcconfig');

   /// No longer compiled to this location.
   ///
   /// Used only for "flutter clean" to remove old references.
   Directory get deprecatedCompiledDartFramework => _flutterLibRoot
       .childDirectory('Flutter')
       .childDirectory('App.framework');

   /// No longer copied to this location.
   ///
   /// Used only for "flutter clean" to remove old references.
   Directory get deprecatedProjectFlutterFramework => _flutterLibRoot
       .childDirectory('Flutter')
       .childDirectory('Flutter.framework');

   /// Used only for "flutter clean" to remove old references.
   File get flutterPodspec => _flutterLibRoot
       .childDirectory('Flutter')
       .childFile('Flutter.podspec');

   Directory get pluginRegistrantHost {
     return isModule
         ? _flutterLibRoot
             .childDirectory('Flutter')
             .childDirectory('FlutterPluginRegistrant')
         : hostAppRoot.childDirectory(XcodeBasedProject._hostAppProjectName);
   }

   File get pluginRegistrantHeader {
     final Directory registryDirectory = isModule ? pluginRegistrantHost.childDirectory('Classes') : pluginRegistrantHost;
     return registryDirectory.childFile('GeneratedPluginRegistrant.h');
   }

   File get pluginRegistrantImplementation {
     final Directory registryDirectory = isModule ? pluginRegistrantHost.childDirectory('Classes') : pluginRegistrantHost;
     return registryDirectory.childFile('GeneratedPluginRegistrant.m');
   }

   Future<void> _overwriteFromTemplate(String path, Directory target) async {
     final Template template = await Template.fromName(
       path,
       fileSystem: globals.fs,
       templateManifest: null,
       logger: globals.logger,
       templateRenderer: globals.templateRenderer,
     );
     final String iosBundleIdentifier = parent.manifest.iosBundleIdentifier ?? 'com.example.${parent.manifest.appName}';

     final String? iosDevelopmentTeam = await getCodeSigningIdentityDevelopmentTeam(
       processManager: globals.processManager,
       platform: globals.platform,
       logger: globals.logger,
       config: globals.config,
       terminal: globals.terminal,
     );

     final String projectName = parent.manifest.appName;

     // The dart project_name is in snake_case, this variable is the Title Case of the Project Name.
     final String titleCaseProjectName = snakeCaseToTitleCase(projectName);

     template.render(
       target,
       <String, Object>{
         'ios': true,
         'projectName': projectName,
         'titleCaseProjectName': titleCaseProjectName,
         'iosIdentifier': iosBundleIdentifier,
         'hasIosDevelopmentTeam': iosDevelopmentTeam != null && iosDevelopmentTeam.isNotEmpty,
         'iosDevelopmentTeam': iosDevelopmentTeam ?? '',
       },
       printStatusWhenWriting: false,
     );
   }
 }

 /// The macOS sub project.
 class MacOSProject extends XcodeBasedProject {
   MacOSProject.fromFlutter(this.parent);

   @override
   final FlutterProject parent;

   @override
   String get pluginConfigKey => MacOSPlugin.kConfigKey;

   @override
   bool existsSync() => hostAppRoot.existsSync();

   @override
   Directory get hostAppRoot => parent.directory.childDirectory('macos');

   /// The directory in the project that is managed by Flutter. As much as
   /// possible, files that are edited by Flutter tooling after initial project
   /// creation should live here.
   Directory get managedDirectory => hostAppRoot.childDirectory('Flutter');

   /// The subdirectory of [managedDirectory] that contains files that are
   /// generated on the fly. All generated files that are not intended to be
   /// checked in should live here.
   Directory get ephemeralDirectory => managedDirectory.childDirectory('ephemeral');

   /// The xcfilelist used to track the inputs for the Flutter script phase in
   /// the Xcode build.
   File get inputFileList => ephemeralDirectory.childFile('FlutterInputs.xcfilelist');

   /// The xcfilelist used to track the outputs for the Flutter script phase in
   /// the Xcode build.
   File get outputFileList => ephemeralDirectory.childFile('FlutterOutputs.xcfilelist');

   @override
   File get generatedXcodePropertiesFile => ephemeralDirectory.childFile('Flutter-Generated.xcconfig');

   File get pluginRegistrantImplementation => managedDirectory.childFile('GeneratedPluginRegistrant.swift');

   @override
   File xcodeConfigFor(String mode) => managedDirectory.childFile('Flutter-$mode.xcconfig');

   @override
   File get generatedEnvironmentVariableExportScript => ephemeralDirectory.childFile('flutter_export_environment.sh');

   /// The file where the Xcode build will write the name of the built app.
   ///
   /// Ideally this will be replaced in the future with inspection of the Runner
   /// scheme's target.
   File get nameFile => ephemeralDirectory.childFile('.app_filename');

   Future<void> ensureReadyForPlatformSpecificTooling() async {
     // TODO(stuartmorgan): Add create-from-template logic here.
     await _updateGeneratedXcodeConfigIfNeeded();
   }

   Future<void> _updateGeneratedXcodeConfigIfNeeded() async {
     if (globals.cache.isOlderThanToolsStamp(generatedXcodePropertiesFile)) {
       await xcode.updateGeneratedXcodeProperties(
         project: parent,
         buildInfo: BuildInfo.debug,
         useMacOSConfig: true,
       );
     }
   }
 }
	// Copyright 2014 The Flutter Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.

	import 'base/error_handling_io.dart';
	import 'base/file_system.dart';
	import 'base/utils.dart';
	import 'build_info.dart';
	import 'bundle.dart' as bundle;
	import 'flutter_plugins.dart';
	import 'globals.dart' as globals;
	import 'ios/code_signing.dart';
	import 'ios/plist_parser.dart';
	import 'ios/xcode_build_settings.dart' as xcode;
	import 'ios/xcodeproj.dart';
	import 'platform_plugins.dart';
	import 'project.dart';
	import 'template.dart';

	/// Represents an Xcode-based sub-project.
	///
	/// This defines interfaces common to iOS and macOS projects.
	abstract class XcodeBasedProject extends FlutterProjectPlatform {
	static const String _hostAppProjectName = 'Runner';

	/// The parent of this project.
	FlutterProject get parent;

	Directory get hostAppRoot;

	/// The default 'Info.plist' file of the host app. The developer can change this location in Xcode.
	File get defaultHostInfoPlist => hostAppRoot.childDirectory(_hostAppProjectName).childFile('Info.plist');

	/// The Xcode project (.xcodeproj directory) of the host app.
	Directory get xcodeProject => hostAppRoot.childDirectory('$_hostAppProjectName.xcodeproj');

	/// The 'project.pbxproj' file of [xcodeProject].
	File get xcodeProjectInfoFile => xcodeProject.childFile('project.pbxproj');

	/// The 'Runner.xcscheme' file of [xcodeProject].
	File get xcodeProjectSchemeFile =>
	xcodeProject.childDirectory('xcshareddata').childDirectory('xcschemes').childFile('Runner.xcscheme');

	File get xcodeProjectWorkspaceData =>
	xcodeProject
	.childDirectory('project.xcworkspace')
	.childFile('contents.xcworkspacedata');

	/// The Xcode workspace (.xcworkspace directory) of the host app.
	Directory get xcodeWorkspace => hostAppRoot.childDirectory('$_hostAppProjectName.xcworkspace');

	/// Xcode workspace shared data directory for the host app.
	Directory get xcodeWorkspaceSharedData => xcodeWorkspace.childDirectory('xcshareddata');

	/// Xcode workspace shared workspace settings file for the host app.
	File get xcodeWorkspaceSharedSettings => xcodeWorkspaceSharedData.childFile('WorkspaceSettings.xcsettings');

	/// Contains definitions for FLUTTER_ROOT, LOCAL_ENGINE, and more flags for
	/// the Xcode build.
	File get generatedXcodePropertiesFile;

	/// The Flutter-managed Xcode config file for [mode].
	File xcodeConfigFor(String mode);

	/// The script that exports environment variables needed for Flutter tools.
	/// Can be run first in a Xcode Script build phase to make FLUTTER_ROOT,
	/// LOCAL_ENGINE, and other Flutter variables available to any flutter
	/// tooling (`flutter build`, etc) to convert into flags.
	File get generatedEnvironmentVariableExportScript;

	/// The CocoaPods 'Podfile'.
	File get podfile => hostAppRoot.childFile('Podfile');

	/// The CocoaPods 'Podfile.lock'.
	File get podfileLock => hostAppRoot.childFile('Podfile.lock');

	/// The CocoaPods 'Manifest.lock'.
	File get podManifestLock => hostAppRoot.childDirectory('Pods').childFile('Manifest.lock');
	}

	/// Represents the iOS sub-project of a Flutter project.
	///
	/// Instances will reflect the contents of the `ios/` sub-folder of
	/// Flutter applications and the `.ios/` sub-folder of Flutter module projects.
	class IosProject extends XcodeBasedProject {
	IosProject.fromFlutter(this.parent);

	@override
	final FlutterProject parent;

	@override
	String get pluginConfigKey => IOSPlugin.kConfigKey;

	static final RegExp _productBundleIdPattern = RegExp(r'''^\sPRODUCT_BUNDLE_IDENTIFIER\s=\s(["']?)(.?)\1;\s*$''');
	static const String _productBundleIdVariable = r'$(PRODUCT_BUNDLE_IDENTIFIER)';

	Directory get ephemeralModuleDirectory => parent.directory.childDirectory('.ios');
	Directory get _editableDirectory => parent.directory.childDirectory('ios');

	/// This parent folder of `Runner.xcodeproj`.
	@override
	Directory get hostAppRoot {
	if (!isModule \|\| _editableDirectory.existsSync()) {
	return _editableDirectory;
	}
	return ephemeralModuleDirectory;
	}

	/// The root directory of the iOS wrapping of Flutter and plugins. This is the
	/// parent of the `Flutter/` folder into which Flutter artifacts are written
	/// during build.
	///
	/// This is the same as [hostAppRoot] except when the project is
	/// a Flutter module with an editable host app.
	Directory get _flutterLibRoot => isModule ? ephemeralModuleDirectory : _editableDirectory;

	/// True, if the parent Flutter project is a module project.
	bool get isModule => parent.isModule;

	/// Whether the Flutter application has an iOS project.
	bool get exists => hostAppRoot.existsSync();

	/// Put generated files here.
	Directory get ephemeralDirectory => _flutterLibRoot.childDirectory('Flutter').childDirectory('ephemeral');

	@override
	File xcodeConfigFor(String mode) => _flutterLibRoot.childDirectory('Flutter').childFile('$mode.xcconfig');

	@override
	File get generatedEnvironmentVariableExportScript => _flutterLibRoot.childDirectory('Flutter').childFile('flutter_export_environment.sh');

	File get appFrameworkInfoPlist => _flutterLibRoot.childDirectory('Flutter').childFile('AppFrameworkInfo.plist');

	Directory get symlinks => _flutterLibRoot.childDirectory('.symlinks');

	/// True, if the app project is using swift.
	bool get isSwift {
	final File appDelegateSwift = _editableDirectory.childDirectory('Runner').childFile('AppDelegate.swift');
	return appDelegateSwift.existsSync();
	}

	/// Do all plugins support arm64 simulators to run natively on an ARM Mac?
	Future<bool> pluginsSupportArmSimulator() async {
	final Directory podXcodeProject = hostAppRoot
	.childDirectory('Pods')
	.childDirectory('Pods.xcodeproj');
	if (!podXcodeProject.existsSync()) {
	// No plugins.
	return true;
	}

	final XcodeProjectInterpreter? xcodeProjectInterpreter = globals.xcodeProjectInterpreter;
	if (xcodeProjectInterpreter == null) {
	// Xcode isn't installed, don't try to check.
	return false;
	}
	final String? buildSettings = await xcodeProjectInterpreter.pluginsBuildSettingsOutput(podXcodeProject);

	// See if any plugins or their dependencies exclude arm64 simulators
	// as a valid architecture, usually because a binary is missing that slice.
	// Example: EXCLUDED_ARCHS = arm64 i386
	// NOT: EXCLUDED_ARCHS = i386
	return buildSettings != null && !buildSettings.contains(RegExp('EXCLUDED_ARCHS.*arm64'));
	}

	@override
	bool existsSync() {
	return parent.isModule \|\| _editableDirectory.existsSync();
	}

	/// The product bundle identifier of the host app, or null if not set or if
	/// iOS tooling needed to read it is not installed.
	Future<String?> productBundleIdentifier(BuildInfo? buildInfo) async {
	if (!existsSync()) {
	return null;
	}
	return _productBundleIdentifier ??= await _parseProductBundleIdentifier(buildInfo);
	}
	String? _productBundleIdentifier;

	Future<String?> _parseProductBundleIdentifier(BuildInfo? buildInfo) async {
	String? fromPlist;
	final File defaultInfoPlist = defaultHostInfoPlist;
	// Users can change the location of the Info.plist.
	// Try parsing the default, first.
	if (defaultInfoPlist.existsSync()) {
	try {
	fromPlist = globals.plistParser.getStringValueFromFile(
	defaultHostInfoPlist.path,
	PlistParser.kCFBundleIdentifierKey,
	);
	} on FileNotFoundException {
	// iOS tooling not found; likely not running OSX; let [fromPlist] be null
	}
	if (fromPlist != null && !fromPlist.contains(r'$')) {
	// Info.plist has no build variables in product bundle ID.
	return fromPlist;
	}
	}
	final Map<String, String>? allBuildSettings = await buildSettingsForBuildInfo(buildInfo);
	if (allBuildSettings != null) {
	if (fromPlist != null) {
	// Perform variable substitution using build settings.
	return substituteXcodeVariables(fromPlist, allBuildSettings);
	}
	return allBuildSettings['PRODUCT_BUNDLE_IDENTIFIER'];
	}

	// On non-macOS platforms, parse the first PRODUCT_BUNDLE_IDENTIFIER from
	// the project file. This can return the wrong bundle identifier if additional
	// bundles have been added to the project and are found first, like frameworks
	// or companion watchOS projects. However, on non-macOS platforms this is
	// only used for display purposes and to regenerate organization names, so
	// best-effort is probably fine.
	final String? fromPbxproj = firstMatchInFile(xcodeProjectInfoFile, _productBundleIdPattern)?.group(2);
	if (fromPbxproj != null && (fromPlist == null \|\| fromPlist == _productBundleIdVariable)) {
	return fromPbxproj;
	}

	return null;
	}

	/// The bundle name of the host app, `My App.app`.
	Future<String?> hostAppBundleName(BuildInfo? buildInfo) async {
	if (!existsSync()) {
	return null;
	}
	return _hostAppBundleName ??= await _parseHostAppBundleName(buildInfo);
	}
	String? _hostAppBundleName;

	Future<String> _parseHostAppBundleName(BuildInfo? buildInfo) async {
	// The product name and bundle name are derived from the display name, which the user
	// is instructed to change in Xcode as part of deploying to the App Store.
	// https://flutter.dev/docs/deployment/ios#review-xcode-project-settings
	// The only source of truth for the name is Xcode's interpretation of the build settings.
	String? productName;
	if (globals.xcodeProjectInterpreter?.isInstalled ?? false) {
	final Map<String, String>? xcodeBuildSettings = await buildSettingsForBuildInfo(buildInfo);
	if (xcodeBuildSettings != null) {
	productName = xcodeBuildSettings['FULL_PRODUCT_NAME'];
	}
	}
	if (productName == null) {
	globals.printTrace('FULL_PRODUCT_NAME not present, defaulting to ${XcodeBasedProject._hostAppProjectName}');
	}
	return productName ?? '${XcodeBasedProject._hostAppProjectName}.app';
	}

	/// The build settings for the host app of this project, as a detached map.
	///
	/// Returns null, if iOS tooling is unavailable.
	Future<Map<String, String>?> buildSettingsForBuildInfo(
	BuildInfo? buildInfo, {
	EnvironmentType environmentType = EnvironmentType.physical,
	String? deviceId,
	}) async {
	if (!existsSync()) {
	return null;
	}
	final XcodeProjectInfo? info = await projectInfo();
	if (info == null) {
	return null;
	}

	final String? scheme = info.schemeFor(buildInfo);
	if (scheme == null) {
	info.reportFlavorNotFoundAndExit();
	}

	final String? configuration = (await projectInfo())?.buildConfigurationFor(
	buildInfo,
	scheme,
	);
	final XcodeProjectBuildContext buildContext = XcodeProjectBuildContext(
	environmentType: environmentType,
	scheme: scheme,
	configuration: configuration,
	deviceId: deviceId,
	);
	final Map<String, String>? currentBuildSettings = _buildSettingsByBuildContext[buildContext];
	if (currentBuildSettings == null) {
	final Map<String, String>? calculatedBuildSettings = await _xcodeProjectBuildSettings(buildContext);
	if (calculatedBuildSettings != null) {
	_buildSettingsByBuildContext[buildContext] = calculatedBuildSettings;
	}
	}
	return _buildSettingsByBuildContext[buildContext];
	}

	final Map<XcodeProjectBuildContext, Map<String, String>> _buildSettingsByBuildContext = <XcodeProjectBuildContext, Map<String, String>>{};

	Future<XcodeProjectInfo?> projectInfo() async {
	final XcodeProjectInterpreter? xcodeProjectInterpreter = globals.xcodeProjectInterpreter;
	if (!xcodeProject.existsSync() \|\| xcodeProjectInterpreter == null \|\| !xcodeProjectInterpreter.isInstalled) {
	return null;
	}
	return _projectInfo ??= await xcodeProjectInterpreter.getInfo(hostAppRoot.path);
	}
	XcodeProjectInfo? _projectInfo;

	Future<Map<String, String>?> _xcodeProjectBuildSettings(XcodeProjectBuildContext buildContext) async {
	final XcodeProjectInterpreter? xcodeProjectInterpreter = globals.xcodeProjectInterpreter;
	if (xcodeProjectInterpreter == null \|\| !xcodeProjectInterpreter.isInstalled) {
	return null;
	}

	final Map<String, String> buildSettings = await xcodeProjectInterpreter.getBuildSettings(
	xcodeProject.path,
	buildContext: buildContext,
	);
	if (buildSettings != null && buildSettings.isNotEmpty) {
	// No timeouts, flakes, or errors.
	return buildSettings;
	}
	return null;
	}

	Future<void> ensureReadyForPlatformSpecificTooling() async {
	await _regenerateFromTemplateIfNeeded();
	if (!_flutterLibRoot.existsSync()) {
	return;
	}
	await _updateGeneratedXcodeConfigIfNeeded();
	}

	/// Check if one the [targets] of the project is a watchOS companion app target.
	Future<bool> containsWatchCompanion(List<String> targets, BuildInfo buildInfo, String? deviceId) async {
	final String? bundleIdentifier = await productBundleIdentifier(buildInfo);
	// A bundle identifier is required for a companion app.
	if (bundleIdentifier == null) {
	return false;
	}
	for (final String target in targets) {
	// Create Info.plist file of the target.
	final File infoFile = hostAppRoot.childDirectory(target).childFile('Info.plist');
	// The Info.plist file of a target contains the key WKCompanionAppBundleIdentifier,
	// if it is a watchOS companion app.
	if (infoFile.existsSync()) {
	final String? fromPlist = globals.plistParser.getStringValueFromFile(infoFile.path, 'WKCompanionAppBundleIdentifier');
	if (bundleIdentifier == fromPlist) {
	return true;
	}

	// The key WKCompanionAppBundleIdentifier might contain an xcode variable
	// that needs to be substituted before comparing it with bundle id
	if (fromPlist != null && fromPlist.contains(r'$')) {
	final Map<String, String>? allBuildSettings = await buildSettingsForBuildInfo(buildInfo, deviceId: deviceId);
	if (allBuildSettings != null) {
	final String substitutedVariable = substituteXcodeVariables(fromPlist, allBuildSettings);
	if (substitutedVariable == bundleIdentifier) {
	return true;
	}
	}
	}
	}
	}
	return false;
	}

	Future<void> _updateGeneratedXcodeConfigIfNeeded() async {
	if (globals.cache.isOlderThanToolsStamp(generatedXcodePropertiesFile)) {
	await xcode.updateGeneratedXcodeProperties(
	project: parent,
	buildInfo: BuildInfo.debug,
	targetOverride: bundle.defaultMainPath,
	);
	}
	}

	Future<void> _regenerateFromTemplateIfNeeded() async {
	if (!isModule) {
	return;
	}
	final bool pubspecChanged = globals.fsUtils.isOlderThanReference(
	entity: ephemeralModuleDirectory,
	referenceFile: parent.pubspecFile,
	);
	final bool toolingChanged = globals.cache.isOlderThanToolsStamp(ephemeralModuleDirectory);
	if (!pubspecChanged && !toolingChanged) {
	return;
	}

	ErrorHandlingFileSystem.deleteIfExists(ephemeralModuleDirectory, recursive: true);
	await _overwriteFromTemplate(
	globals.fs.path.join('module', 'ios', 'library'),
	ephemeralModuleDirectory,
	);
	// Add ephemeral host app, if a editable host app does not already exist.
	if (!_editableDirectory.existsSync()) {
	await _overwriteFromTemplate(
	globals.fs.path.join('module', 'ios', 'host_app_ephemeral'),
	ephemeralModuleDirectory,
	);
	if (hasPlugins(parent)) {
	await _overwriteFromTemplate(
	globals.fs.path.join('module', 'ios', 'host_app_ephemeral_cocoapods'),
	ephemeralModuleDirectory,
	);
	}
	}
	}

	@override
	File get generatedXcodePropertiesFile => _flutterLibRoot
	.childDirectory('Flutter')
	.childFile('Generated.xcconfig');

	/// No longer compiled to this location.
	///
	/// Used only for "flutter clean" to remove old references.
	Directory get deprecatedCompiledDartFramework => _flutterLibRoot
	.childDirectory('Flutter')
	.childDirectory('App.framework');

	/// No longer copied to this location.
	///
	/// Used only for "flutter clean" to remove old references.
	Directory get deprecatedProjectFlutterFramework => _flutterLibRoot
	.childDirectory('Flutter')
	.childDirectory('Flutter.framework');

	/// Used only for "flutter clean" to remove old references.
	File get flutterPodspec => _flutterLibRoot
	.childDirectory('Flutter')
	.childFile('Flutter.podspec');

	Directory get pluginRegistrantHost {
	return isModule
	? _flutterLibRoot
	.childDirectory('Flutter')
	.childDirectory('FlutterPluginRegistrant')
	: hostAppRoot.childDirectory(XcodeBasedProject._hostAppProjectName);
	}

	File get pluginRegistrantHeader {
	final Directory registryDirectory = isModule ? pluginRegistrantHost.childDirectory('Classes') : pluginRegistrantHost;
	return registryDirectory.childFile('GeneratedPluginRegistrant.h');
	}

	File get pluginRegistrantImplementation {
	final Directory registryDirectory = isModule ? pluginRegistrantHost.childDirectory('Classes') : pluginRegistrantHost;
	return registryDirectory.childFile('GeneratedPluginRegistrant.m');
	}

	Future<void> _overwriteFromTemplate(String path, Directory target) async {
	final Template template = await Template.fromName(
	path,
	fileSystem: globals.fs,
	templateManifest: null,
	logger: globals.logger,
	templateRenderer: globals.templateRenderer,
	);
	final String iosBundleIdentifier = parent.manifest.iosBundleIdentifier ?? 'com.example.${parent.manifest.appName}';

	final String? iosDevelopmentTeam = await getCodeSigningIdentityDevelopmentTeam(
	processManager: globals.processManager,
	platform: globals.platform,
	logger: globals.logger,
	config: globals.config,
	terminal: globals.terminal,
	);

	final String projectName = parent.manifest.appName;

	// The dart project_name is in snake_case, this variable is the Title Case of the Project Name.
	final String titleCaseProjectName = snakeCaseToTitleCase(projectName);

	template.render(
	target,
	<String, Object>{
	'ios': true,
	'projectName': projectName,
	'titleCaseProjectName': titleCaseProjectName,
	'iosIdentifier': iosBundleIdentifier,
	'hasIosDevelopmentTeam': iosDevelopmentTeam != null && iosDevelopmentTeam.isNotEmpty,
	'iosDevelopmentTeam': iosDevelopmentTeam ?? '',
	},
	printStatusWhenWriting: false,
	);
	}
	}

	/// The macOS sub project.
	class MacOSProject extends XcodeBasedProject {
	MacOSProject.fromFlutter(this.parent);

	@override
	final FlutterProject parent;

	@override
	String get pluginConfigKey => MacOSPlugin.kConfigKey;

	@override
	bool existsSync() => hostAppRoot.existsSync();

	@override
	Directory get hostAppRoot => parent.directory.childDirectory('macos');

	/// The directory in the project that is managed by Flutter. As much as
	/// possible, files that are edited by Flutter tooling after initial project
	/// creation should live here.
	Directory get managedDirectory => hostAppRoot.childDirectory('Flutter');

	/// The subdirectory of [managedDirectory] that contains files that are
	/// generated on the fly. All generated files that are not intended to be
	/// checked in should live here.
	Directory get ephemeralDirectory => managedDirectory.childDirectory('ephemeral');

	/// The xcfilelist used to track the inputs for the Flutter script phase in
	/// the Xcode build.
	File get inputFileList => ephemeralDirectory.childFile('FlutterInputs.xcfilelist');

	/// The xcfilelist used to track the outputs for the Flutter script phase in
	/// the Xcode build.
	File get outputFileList => ephemeralDirectory.childFile('FlutterOutputs.xcfilelist');

	@override
	File get generatedXcodePropertiesFile => ephemeralDirectory.childFile('Flutter-Generated.xcconfig');

	File get pluginRegistrantImplementation => managedDirectory.childFile('GeneratedPluginRegistrant.swift');

	@override
	File xcodeConfigFor(String mode) => managedDirectory.childFile('Flutter-$mode.xcconfig');

	@override
	File get generatedEnvironmentVariableExportScript => ephemeralDirectory.childFile('flutter_export_environment.sh');

	/// The file where the Xcode build will write the name of the built app.
	///
	/// Ideally this will be replaced in the future with inspection of the Runner
	/// scheme's target.
	File get nameFile => ephemeralDirectory.childFile('.app_filename');

	Future<void> ensureReadyForPlatformSpecificTooling() async {
	// TODO(stuartmorgan): Add create-from-template logic here.
	await _updateGeneratedXcodeConfigIfNeeded();
	}

	Future<void> _updateGeneratedXcodeConfigIfNeeded() async {
	if (globals.cache.isOlderThanToolsStamp(generatedXcodePropertiesFile)) {
	await xcode.updateGeneratedXcodeProperties(
	project: parent,
	buildInfo: BuildInfo.debug,
	useMacOSConfig: true,
	);
	}
	}
	}