| // Copyright 2013 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 'dart:io'; |
| |
| import 'package:args/args.dart'; |
| import 'package:path/path.dart' as path; |
| |
| final ArgParser argParser = ArgParser() |
| ..addOption('output-dir') |
| ..addOption('input-dir') |
| ..addFlag('ui', defaultsTo: false) |
| ..addFlag('engine', defaultsTo: false) |
| ..addMultiOption('input'); |
| |
| const List<List<String>> uiPatterns = <List<String>>[ |
| <String>['library ui;', 'library dart.ui;'], |
| <String>['part of ui;', 'part of dart.ui;'], |
| <String>[ |
| r''' |
| import 'src/engine.dart' as engine; |
| ''', |
| r''' |
| import 'dart:_engine' as engine; |
| ''' |
| ], |
| <String>[ |
| r''' |
| export 'src/engine.dart' |
| ''', |
| r''' |
| export 'dart:_engine' |
| ''', |
| ] |
| ]; |
| |
| const List<List<String>> enginePatterns = <List<String>>[ |
| <String>['library engine;', 'library dart._engine;'], |
| <String>['part of engine;', 'part of dart._engine;'], |
| <String>[ |
| r''' |
| import '../ui.dart' as ui; |
| ''', |
| r''' |
| import 'dart:ui' as ui; |
| ''' |
| ] |
| ]; |
| |
| const List<List<String>> sharedPatterns = <List<String>>[ |
| <String>["import 'package:meta/meta.dart';" ,''], |
| <String>['@required', ''], |
| <String>['@protected', ''], |
| <String>['@mustCallSuper', ''], |
| <String>['@immutable', ''], |
| <String>['@visibleForTesting', ''] |
| ]; |
| |
| // Rewrites the "package"-style web ui library into a dart:ui implementation. |
| // So far this only requires a replace of the library declarations. |
| void main(List<String> arguments) { |
| final ArgResults results = argParser.parse(arguments); |
| final Directory directory = Directory(results['output-dir']); |
| final String inputDirectoryPath = results['input-dir']; |
| for (String inputFilePath in results['input']) { |
| final File inputFile = File(inputFilePath); |
| final File outputFile = File(path.join(directory.path, inputFile.path.substring(inputDirectoryPath.length))) |
| ..createSync(recursive: true); |
| String source = inputFile.readAsStringSync(); |
| final List<List<String>> replacementPatterns = <List<String>>[]; |
| replacementPatterns.addAll(sharedPatterns); |
| if (results['ui']) { |
| replacementPatterns.addAll(uiPatterns); |
| } else if (results['engine']) { |
| replacementPatterns.addAll(enginePatterns); |
| } |
| for (List<String> patterns in replacementPatterns) { |
| source = source.replaceAll(patterns.first, patterns.last); |
| } |
| outputFile.writeAsStringSync(source); |
| } |
| } |