| // 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. |
| |
| // @dart = 2.8 |
| |
| import 'package:meta/meta.dart'; |
| import 'package:process/process.dart'; |
| |
| import '../base/file_system.dart'; |
| import '../base/io.dart'; |
| import '../base/logger.dart'; |
| import '../base/process.dart'; |
| import '../base/utils.dart'; |
| import '../convert.dart'; |
| |
| class PlistParser { |
| PlistParser({ |
| @required FileSystem fileSystem, |
| @required Logger logger, |
| @required ProcessManager processManager, |
| }) : _fileSystem = fileSystem, |
| _logger = logger, |
| _processUtils = ProcessUtils(logger: logger, processManager: processManager); |
| |
| final FileSystem _fileSystem; |
| final Logger _logger; |
| final ProcessUtils _processUtils; |
| |
| static const String kCFBundleIdentifierKey = 'CFBundleIdentifier'; |
| static const String kCFBundleShortVersionStringKey = 'CFBundleShortVersionString'; |
| static const String kCFBundleExecutable = 'CFBundleExecutable'; |
| |
| /// Parses the plist file located at [plistFilePath] and returns the |
| /// associated map of key/value property list pairs. |
| /// |
| /// If [plistFilePath] points to a non-existent file or a file that's not a |
| /// valid property list file, this will return an empty map. |
| /// |
| /// The [plistFilePath] argument must not be null. |
| Map<String, dynamic> parseFile(String plistFilePath) { |
| assert(plistFilePath != null); |
| const String executable = '/usr/bin/plutil'; |
| if (!_fileSystem.isFileSync(executable)) { |
| throw const FileNotFoundException(executable); |
| } |
| if (!_fileSystem.isFileSync(plistFilePath)) { |
| return const <String, dynamic>{}; |
| } |
| |
| final String normalizedPlistPath = _fileSystem.path.absolute(plistFilePath); |
| |
| try { |
| final List<String> args = <String>[ |
| executable, '-convert', 'json', '-o', '-', normalizedPlistPath, |
| ]; |
| final String jsonContent = _processUtils.runSync( |
| args, |
| throwOnError: true, |
| ).stdout.trim(); |
| return castStringKeyedMap(json.decode(jsonContent)); |
| } on ProcessException catch (error) { |
| _logger.printTrace('$error'); |
| return const <String, dynamic>{}; |
| } |
| } |
| |
| /// Parses the Plist file located at [plistFilePath] and returns the value |
| /// that's associated with the specified [key] within the property list. |
| /// |
| /// If [plistFilePath] points to a non-existent file or a file that's not a |
| /// valid property list file, this will return null. |
| /// |
| /// If [key] is not found in the property list, this will return null. |
| /// |
| /// The [plistFilePath] and [key] arguments must not be null. |
| String getValueFromFile(String plistFilePath, String key) { |
| assert(key != null); |
| final Map<String, dynamic> parsed = parseFile(plistFilePath); |
| return parsed[key] as String; |
| } |
| } |