| // Copyright 2018 The Chromium 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:async'; |
| |
| import 'package:args/args.dart'; |
| import 'package:flutter_tools/src/asset.dart'; |
| import 'package:flutter_tools/src/base/context.dart'; |
| import 'package:flutter_tools/src/base/file_system.dart' as libfs; |
| import 'package:flutter_tools/src/base/io.dart'; |
| import 'package:flutter_tools/src/base/platform.dart'; |
| import 'package:flutter_tools/src/cache.dart'; |
| import 'package:flutter_tools/src/context_runner.dart'; |
| import 'package:flutter_tools/src/devfs.dart'; |
| import 'package:flutter_tools/src/disabled_usage.dart'; |
| import 'package:flutter_tools/src/bundle.dart'; |
| import 'package:flutter_tools/src/globals.dart'; |
| import 'package:flutter_tools/src/usage.dart'; |
| |
| const String _kOptionPackages = 'packages'; |
| const String _kOptionAsset = 'asset-dir'; |
| const String _kOptionManifest = 'manifest'; |
| const String _kOptionAssetManifestOut = 'asset-manifest-out'; |
| const String _kOptionComponentName = 'component-name'; |
| const List<String> _kRequiredOptions = <String>[ |
| _kOptionPackages, |
| _kOptionAsset, |
| _kOptionAssetManifestOut, |
| _kOptionComponentName, |
| ]; |
| |
| Future<Null> main(List<String> args) { |
| return runInContext<Null>(() => run(args), overrides: <Type, Generator>{ |
| Usage: () => DisabledUsage(), |
| }); |
| } |
| |
| Future<Null> writeFile(libfs.File outputFile, DevFSContent content) async { |
| outputFile.createSync(recursive: true); |
| final List<int> data = await content.contentsAsBytes(); |
| outputFile.writeAsBytesSync(data); |
| return null; |
| } |
| |
| Future<Null> run(List<String> args) async { |
| final ArgParser parser = ArgParser() |
| ..addOption(_kOptionPackages, help: 'The .packages file') |
| ..addOption(_kOptionAsset, |
| help: 'The directory where to put temporary files') |
| ..addOption(_kOptionManifest, help: 'The manifest file') |
| ..addOption(_kOptionAssetManifestOut) |
| ..addOption(_kOptionComponentName); |
| final ArgResults argResults = parser.parse(args); |
| if (_kRequiredOptions |
| .any((String option) => !argResults.options.contains(option))) { |
| printError('Missing option! All options must be specified.'); |
| exit(1); |
| } |
| Cache.flutterRoot = platform.environment['FLUTTER_ROOT']; |
| |
| final String assetDir = argResults[_kOptionAsset]; |
| final AssetBundle assets = await buildAssets( |
| manifestPath: argResults[_kOptionManifest] ?? defaultManifestPath, |
| assetDirPath: assetDir, |
| packagesPath: argResults[_kOptionPackages], |
| includeDefaultFonts: false, |
| ); |
| |
| if (assets == null) { |
| print('Unable to find assets.'); |
| exit(1); |
| } |
| |
| final List<Future<Null>> calls = <Future<Null>>[]; |
| assets.entries.forEach((String fileName, DevFSContent content) { |
| final libfs.File outputFile = libfs.fs.file(libfs.fs.path.join(assetDir, fileName)); |
| calls.add(writeFile(outputFile, content)); |
| }); |
| await Future.wait(calls); |
| |
| final String outputMan = argResults[_kOptionAssetManifestOut]; |
| await writeFuchsiaManifest(assets, argResults[_kOptionAsset], outputMan, argResults[_kOptionComponentName]); |
| } |
| |
| Future<Null> writeFuchsiaManifest(AssetBundle assets, String outputBase, String fileDest, String componentName) async { |
| |
| final libfs.File destFile = libfs.fs.file(fileDest); |
| await destFile.create(recursive: true); |
| final libfs.IOSink outFile = destFile.openWrite(); |
| |
| for (String path in assets.entries.keys) { |
| outFile.write('data/$componentName/$path=$outputBase/$path\n'); |
| } |
| await outFile.flush(); |
| await outFile.close(); |
| } |