mirror of
https://github.com/flutter/flutter
synced 2024-10-13 19:52:53 +00:00
ec76c652bd
Pull code out of flx.dart:assemble() to make flx.dart:buildAssets which creates the AssetBundle. This will allow us to create just this instead of an entire FLX.
124 lines
4.2 KiB
Dart
124 lines
4.2 KiB
Dart
// Copyright 2016 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 '../lib/src/asset.dart';
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import '../lib/src/base/common.dart';
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import '../lib/src/base/file_system.dart';
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import '../lib/src/base/io.dart';
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import '../lib/src/base/platform.dart';
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import '../lib/src/cache.dart';
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import '../lib/src/context_runner.dart';
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import '../lib/src/flx.dart';
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import '../lib/src/globals.dart';
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const String _kOptionPackages = 'packages';
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const String _kOptionOutput = 'output-file';
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const String _kOptionHeader = 'header';
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const String _kOptionSnapshot = 'snapshot';
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const String _kOptionDylib = 'dylib';
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const String _kOptionWorking = 'working-dir';
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const String _kOptionManifest = 'manifest';
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const String _kOptionDepFile = 'depfile';
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const String _kOptionBuildRoot = 'build-root';
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const List<String> _kRequiredOptions = const <String>[
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_kOptionPackages,
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_kOptionOutput,
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_kOptionHeader,
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_kOptionWorking,
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_kOptionDepFile,
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_kOptionBuildRoot,
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];
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Future<Null> main(List<String> args) async {
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await runInContext(args, run);
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}
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Future<Null> run(List<String> args) async {
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final ArgParser parser = new ArgParser()
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..addOption(_kOptionPackages, help: 'The .packages file')
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..addOption(_kOptionOutput, help: 'The generated flx file')
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..addOption(_kOptionHeader, help: 'The header of the flx file')
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..addOption(_kOptionDylib, help: 'The generated AOT dylib file')
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..addOption(_kOptionSnapshot, help: 'The generated snapshot file')
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..addOption(_kOptionWorking,
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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(_kOptionDepFile, help: 'The generated depfile')
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..addOption(_kOptionBuildRoot, help: 'The build\'s root directory');
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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 outputPath = argResults[_kOptionOutput];
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try {
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final String snapshotPath = argResults[_kOptionSnapshot];
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final String dylibPath = argResults[_kOptionDylib];
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final AssetBundle assets = await buildAssets(
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manifestPath: argResults[_kOptionManifest] ?? defaultManifestPath,
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workingDirPath: argResults[_kOptionWorking],
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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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throwToolExit('Error building assets for $outputPath', exitCode: 1);
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final List<String> dependencies = await assemble(
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assetBundle: assets,
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outputPath: outputPath,
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snapshotFile: snapshotPath == null ? null : fs.file(snapshotPath),
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dylibFile: dylibPath == null ? null : fs.file(dylibPath),
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workingDirPath: argResults[_kOptionWorking],
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);
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final String depFilePath = argResults[_kOptionDepFile];
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final int depFileResult = _createDepfile(
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depFilePath,
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fs.path.relative(argResults[_kOptionOutput],
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from: argResults[_kOptionBuildRoot]),
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dependencies);
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if (depFileResult != 0) {
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printError('Error creating depfile $depFilePath: $depFileResult.');
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exit(depFileResult);
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}
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} on ToolExit catch (e) {
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printError(e.message);
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exit(e.exitCode);
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}
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final int headerResult = _addHeader(outputPath, argResults[_kOptionHeader]);
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if (headerResult != 0) {
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printError('Error adding header to $outputPath: $headerResult.');
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}
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exit(headerResult);
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}
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int _createDepfile(
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String depFilePath, String target, List<String> dependencies) {
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try {
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final File depFile = fs.file(depFilePath);
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depFile.writeAsStringSync('$target: ${dependencies.join(' ')}\n');
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return 0;
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} catch (_) {
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return 1;
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}
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}
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int _addHeader(String outputPath, String header) {
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try {
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final File outputFile = fs.file(outputPath);
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final List<int> content = outputFile.readAsBytesSync();
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outputFile.writeAsStringSync('$header\n');
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outputFile.writeAsBytesSync(content, mode: FileMode.APPEND);
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return 0;
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} catch (_) {
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return 1;
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}
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}
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