mirror of
https://github.com/flutter/flutter
synced 2024-10-13 19:52:53 +00:00
96 lines
3.5 KiB
Dart
96 lines
3.5 KiB
Dart
// Copyright 2018 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'dart:async';
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import 'package:args/args.dart';
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import 'package:flutter_tools/src/asset.dart' hide defaultManifestPath;
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import 'package:flutter_tools/src/base/context.dart';
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import 'package:flutter_tools/src/base/file_system.dart' as libfs;
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import 'package:flutter_tools/src/base/io.dart';
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import 'package:flutter_tools/src/base/platform.dart';
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import 'package:flutter_tools/src/cache.dart';
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import 'package:flutter_tools/src/context_runner.dart';
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import 'package:flutter_tools/src/devfs.dart';
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import 'package:flutter_tools/src/bundle.dart';
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import 'package:flutter_tools/src/globals.dart';
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import 'package:flutter_tools/src/reporting/reporting.dart';
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const String _kOptionPackages = 'packages';
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const String _kOptionAsset = 'asset-dir';
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const String _kOptionManifest = 'manifest';
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const String _kOptionAssetManifestOut = 'asset-manifest-out';
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const String _kOptionComponentName = 'component-name';
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const List<String> _kRequiredOptions = <String>[
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_kOptionPackages,
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_kOptionAsset,
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_kOptionAssetManifestOut,
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_kOptionComponentName,
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];
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Future<void> main(List<String> args) {
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return runInContext<void>(() => run(args), overrides: <Type, Generator>{
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Usage: () => DisabledUsage(),
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});
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}
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Future<void> writeFile(libfs.File outputFile, DevFSContent content) async {
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outputFile.createSync(recursive: true);
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final List<int> data = await content.contentsAsBytes();
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outputFile.writeAsBytesSync(data);
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}
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Future<void> run(List<String> args) async {
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final ArgParser parser = ArgParser()
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..addOption(_kOptionPackages, help: 'The .packages file')
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..addOption(_kOptionAsset,
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help: 'The directory where to put temporary files')
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..addOption(_kOptionManifest, help: 'The manifest file')
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..addOption(_kOptionAssetManifestOut)
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..addOption(_kOptionComponentName);
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final ArgResults argResults = parser.parse(args);
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if (_kRequiredOptions
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.any((String option) => !argResults.options.contains(option))) {
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printError('Missing option! All options must be specified.');
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exit(1);
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}
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Cache.flutterRoot = platform.environment['FLUTTER_ROOT'];
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final String assetDir = argResults[_kOptionAsset];
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final AssetBundle assets = await buildAssets(
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manifestPath: argResults[_kOptionManifest] ?? defaultManifestPath,
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assetDirPath: assetDir,
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packagesPath: argResults[_kOptionPackages],
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includeDefaultFonts: false,
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);
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if (assets == null) {
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print('Unable to find assets.');
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exit(1);
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}
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final List<Future<void>> calls = <Future<void>>[];
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assets.entries.forEach((String fileName, DevFSContent content) {
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final libfs.File outputFile = libfs.fs.file(libfs.fs.path.join(assetDir, fileName));
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calls.add(writeFile(outputFile, content));
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});
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await Future.wait<void>(calls);
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final String outputMan = argResults[_kOptionAssetManifestOut];
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await writeFuchsiaManifest(assets, argResults[_kOptionAsset], outputMan, argResults[_kOptionComponentName]);
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}
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Future<void> writeFuchsiaManifest(AssetBundle assets, String outputBase, String fileDest, String componentName) async {
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final libfs.File destFile = libfs.fs.file(fileDest);
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await destFile.create(recursive: true);
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final libfs.IOSink outFile = destFile.openWrite();
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for (String path in assets.entries.keys) {
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outFile.write('data/$componentName/$path=$outputBase/$path\n');
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}
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await outFile.flush();
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await outFile.close();
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}
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