| // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| library fasta.translate_uri; |
| |
| import 'dart:async' show Future; |
| |
| import 'dart:io' show File; |
| |
| import 'package:package_config/packages_file.dart' as packages_file show parse; |
| |
| class TranslateUri { |
| final Map<String, Uri> packages; |
| final Map<String, Uri> dartLibraries; |
| |
| TranslateUri(this.packages, this.dartLibraries); |
| |
| Uri translate(Uri uri) { |
| if (uri.scheme == "dart") return translateDartUri(uri); |
| if (uri.scheme == "package") return translatePackageUri(uri); |
| return null; |
| } |
| |
| Uri translateDartUri(Uri uri) => dartLibraries[uri.path]; |
| |
| Uri translatePackageUri(Uri uri) { |
| int index = uri.path.indexOf("/"); |
| if (index == -1) return null; |
| String name = uri.path.substring(0, index); |
| String path = uri.path.substring(index + 1); |
| Uri root = packages[name]; |
| if (root == null) return null; |
| return root.resolve(path); |
| } |
| |
| static Future<TranslateUri> parse(Uri sdk, [Uri uri]) async { |
| // This list is generated with [bin/generate_dart_libraries.dart] below. |
| // |
| // TODO(ahe): This is only used with the option --compile-sdk, and |
| // currently doesn't work outside the SDK source tree. |
| Map<String, Uri> dartLibraries = <String, Uri>{}; |
| if (sdk != null) { |
| dartLibraries = <String, Uri>{ |
| "async": sdk.resolve("lib/async/async.dart"), |
| "_blink": sdk.resolve("lib/_blink/dartium/_blink_dartium.dart"), |
| "_chrome": sdk.resolve("lib/_chrome/dart2js/chrome_dart2js.dart"), |
| "collection": sdk.resolve("lib/collection/collection.dart"), |
| "convert": sdk.resolve("lib/convert/convert.dart"), |
| "core": sdk.resolve("lib/core/core.dart"), |
| "developer": sdk.resolve("lib/developer/developer.dart"), |
| "html": sdk.resolve("lib/html/dartium/html_dartium.dart"), |
| "html_common": sdk.resolve("lib/html/html_common/html_common.dart"), |
| "indexed_db": |
| sdk.resolve("lib/indexed_db/dartium/indexed_db_dartium.dart"), |
| "io": sdk.resolve("lib/io/io.dart"), |
| "isolate": sdk.resolve("lib/isolate/isolate.dart"), |
| "js": sdk.resolve("lib/js/dartium/js_dartium.dart"), |
| "js_util": sdk.resolve("lib/js_util/dartium/js_util_dartium.dart"), |
| "math": sdk.resolve("lib/math/math.dart"), |
| "mirrors": sdk.resolve("lib/mirrors/mirrors.dart"), |
| "nativewrappers": sdk.resolve("lib/html/dartium/nativewrappers.dart"), |
| "typed_data": sdk.resolve("lib/typed_data/typed_data.dart"), |
| "svg": sdk.resolve("lib/svg/dartium/svg_dartium.dart"), |
| "web_audio": |
| sdk.resolve("lib/web_audio/dartium/web_audio_dartium.dart"), |
| "web_gl": sdk.resolve("lib/web_gl/dartium/web_gl_dartium.dart"), |
| "web_sql": sdk.resolve("lib/web_sql/dartium/web_sql_dartium.dart"), |
| "_internal": sdk.resolve("lib/internal/internal.dart"), |
| "profiler": sdk.resolve("lib/profiler/profiler.dart"), |
| "vmservice_io": sdk.resolve("lib/vmservice_io/vmservice_io.dart"), |
| "_vmservice": sdk.resolve("lib/vmservice/vmservice.dart"), |
| "_builtin": sdk.resolve("lib/_builtin/_builtin.dart"), |
| }; |
| } |
| uri ??= Uri.base.resolve(".packages"); |
| File file = new File.fromUri(uri); |
| List<int> bytes = await file.readAsBytes(); |
| Map<String, Uri> packages = packages_file.parse(bytes, uri); |
| return new TranslateUri(packages, dartLibraries); |
| } |
| } |