| // Copyright (c) 2014, 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. |
| |
| import 'package:path/path.dart' as p; |
| import 'package:pub_semver/pub_semver.dart'; |
| import 'package:yaml/yaml.dart'; |
| |
| import 'barback/transformer_config.dart'; |
| import 'compiler.dart'; |
| import 'feature.dart'; |
| import 'io.dart'; |
| import 'package.dart'; |
| import 'package_name.dart'; |
| import 'pubspec.dart'; |
| |
| /// A [Package] whose `lib` directory has been precompiled and cached. |
| /// |
| /// When users of this class request path information about files that are |
| /// cached, this returns the cached information. It also wraps the package's |
| /// pubspec to report no transformers, since the transformations have all been |
| /// applied already. |
| class CachedPackage extends Package { |
| /// The directory contianing the cached assets from this package. |
| /// |
| /// Although only `lib` is cached, this directory corresponds to the root of |
| /// the package. The actual cached assets exist in `$_cacheDir/lib`. |
| final String _cacheDir; |
| |
| /// Creates a new cached package wrapping [inner] with the cache at |
| /// [_cacheDir]. |
| CachedPackage(Package inner, this._cacheDir) |
| : super(new _CachedPubspec(inner.pubspec), inner.dir); |
| |
| String path(String part1, |
| [String part2, |
| String part3, |
| String part4, |
| String part5, |
| String part6, |
| String part7]) { |
| if (_pathInCache(part1)) { |
| return p.join(_cacheDir, part1, part2, part3, part4, part5, part6, part7); |
| } else { |
| return super.path(part1, part2, part3, part4, part5, part6, part7); |
| } |
| } |
| |
| String relative(String path) { |
| if (p.isWithin(_cacheDir, path)) { |
| return p.relative(path, from: _cacheDir); |
| } |
| return super.relative(path); |
| } |
| |
| /// This will include the cached, transformed versions of files if [beneath] |
| /// is within a cached directory, but not otherwise. |
| List<String> listFiles( |
| {String beneath, recursive: true, bool useGitIgnore: false}) { |
| if (beneath == null) { |
| return super.listFiles(recursive: recursive, useGitIgnore: useGitIgnore); |
| } |
| |
| if (_pathInCache(beneath)) { |
| return listDir(p.join(_cacheDir, beneath), |
| includeDirs: false, recursive: recursive); |
| } |
| return super.listFiles( |
| beneath: beneath, recursive: recursive, useGitIgnore: useGitIgnore); |
| } |
| |
| /// Returns whether [relativePath], a path relative to the package's root, |
| /// is in a cached directory. |
| bool _pathInCache(String relativePath) => |
| relativePath == 'lib' || p.isWithin('lib', relativePath); |
| } |
| |
| /// A pubspec wrapper that reports no transformers. |
| class _CachedPubspec implements Pubspec { |
| final Pubspec _inner; |
| |
| YamlMap get fields => _inner.fields; |
| String get name => _inner.name; |
| Version get version => _inner.version; |
| List<PackageRange> get dependencies => _inner.dependencies; |
| List<PackageRange> get devDependencies => _inner.devDependencies; |
| List<PackageRange> get dependencyOverrides => _inner.dependencyOverrides; |
| Map<String, Feature> get features => _inner.features; |
| VersionConstraint get dartSdkConstraint => _inner.dartSdkConstraint; |
| VersionConstraint get originalDartSdkConstraint => |
| _inner.originalDartSdkConstraint; |
| bool get dartSdkWasOverridden => _inner.dartSdkWasOverridden; |
| VersionConstraint get flutterSdkConstraint => _inner.flutterSdkConstraint; |
| String get publishTo => _inner.publishTo; |
| Map<String, String> get executables => _inner.executables; |
| bool get isPrivate => _inner.isPrivate; |
| bool get isEmpty => _inner.isEmpty; |
| List<PubspecException> get allErrors => _inner.allErrors; |
| Map<String, Compiler> get webCompiler => _inner.webCompiler; |
| |
| List<Set<TransformerConfig>> get transformers => const []; |
| |
| _CachedPubspec(this._inner); |
| } |