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| 1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 library physical_file_system; | |
| 6 | |
| 7 import 'dart:async'; | |
| 8 import 'dart:core' hide Resource; | |
| 9 import 'dart:io' as io; | |
| 10 | |
| 11 import 'package:analyzer/src/generated/java_io.dart'; | |
| 12 import 'package:analyzer/src/generated/source_io.dart'; | |
| 13 import 'package:path/path.dart'; | |
| 14 import 'package:watcher/watcher.dart'; | |
| 15 | |
| 16 import 'file_system.dart'; | |
| 17 | |
| 18 /** | |
| 19 * A `dart:io` based implementation of [ResourceProvider]. | |
| 20 */ | |
| 21 class PhysicalResourceProvider implements ResourceProvider { | |
| 22 static final NORMALIZE_EOL_ALWAYS = | |
| 23 (String string) => string.replaceAll(new RegExp('\r\n?'), '\n'); | |
| 24 | |
| 25 static final PhysicalResourceProvider INSTANCE = | |
| 26 new PhysicalResourceProvider(null); | |
| 27 | |
| 28 /** | |
| 29 * The name of the directory containing plugin specific subfolders used to | |
| 30 * store data across sessions. | |
| 31 */ | |
| 32 static final String SERVER_DIR = ".dartServer"; | |
| 33 | |
| 34 PhysicalResourceProvider(String fileReadMode(String s)) { | |
| 35 if (fileReadMode != null) { | |
| 36 FileBasedSource.fileReadMode = fileReadMode; | |
| 37 } | |
| 38 } | |
| 39 | |
| 40 @override | |
| 41 Context get pathContext => io.Platform.isWindows ? windows : posix; | |
| 42 | |
| 43 @override | |
| 44 File getFile(String path) => new _PhysicalFile(new io.File(path)); | |
| 45 | |
| 46 @override | |
| 47 Folder getFolder(String path) => new _PhysicalFolder(new io.Directory(path)); | |
| 48 | |
| 49 @override | |
| 50 Resource getResource(String path) { | |
| 51 if (io.FileSystemEntity.isDirectorySync(path)) { | |
| 52 return getFolder(path); | |
| 53 } else { | |
| 54 return getFile(path); | |
| 55 } | |
| 56 } | |
| 57 | |
| 58 @override | |
| 59 Folder getStateLocation(String pluginId) { | |
| 60 String home; | |
| 61 if (io.Platform.isWindows) { | |
| 62 home = io.Platform.environment['LOCALAPPDATA']; | |
| 63 } else { | |
| 64 home = io.Platform.environment['HOME']; | |
| 65 } | |
| 66 if (home != null && io.FileSystemEntity.isDirectorySync(home)) { | |
| 67 io.Directory directory = | |
| 68 new io.Directory(join(home, SERVER_DIR, pluginId)); | |
| 69 directory.createSync(recursive: true); | |
| 70 return new _PhysicalFolder(directory); | |
| 71 } | |
| 72 return null; | |
| 73 } | |
| 74 } | |
| 75 | |
| 76 /** | |
| 77 * A `dart:io` based implementation of [File]. | |
| 78 */ | |
| 79 class _PhysicalFile extends _PhysicalResource implements File { | |
| 80 _PhysicalFile(io.File file) : super(file); | |
| 81 | |
| 82 @override | |
| 83 Stream<WatchEvent> get changes => new FileWatcher(_entry.path).events; | |
| 84 | |
| 85 @override | |
| 86 int get modificationStamp { | |
| 87 try { | |
| 88 io.File file = _entry as io.File; | |
| 89 return file.lastModifiedSync().millisecondsSinceEpoch; | |
| 90 } on io.FileSystemException catch (exception) { | |
| 91 throw new FileSystemException(exception.path, exception.message); | |
| 92 } | |
| 93 } | |
| 94 | |
| 95 @override | |
| 96 Source createSource([Uri uri]) { | |
| 97 io.File file = _entry as io.File; | |
| 98 JavaFile javaFile = new JavaFile(file.absolute.path); | |
| 99 if (uri == null) { | |
| 100 uri = javaFile.toURI(); | |
| 101 } | |
| 102 return new FileBasedSource(javaFile, uri); | |
| 103 } | |
| 104 | |
| 105 @override | |
| 106 bool isOrContains(String path) { | |
| 107 return path == this.path; | |
| 108 } | |
| 109 | |
| 110 @override | |
| 111 String readAsStringSync() { | |
| 112 try { | |
| 113 io.File file = _entry as io.File; | |
| 114 return file.readAsStringSync(); | |
| 115 } on io.FileSystemException catch (exception) { | |
| 116 throw new FileSystemException(exception.path, exception.message); | |
| 117 } | |
| 118 } | |
| 119 } | |
| 120 | |
| 121 /** | |
| 122 * A `dart:io` based implementation of [Folder]. | |
| 123 */ | |
| 124 class _PhysicalFolder extends _PhysicalResource implements Folder { | |
| 125 _PhysicalFolder(io.Directory directory) : super(directory); | |
| 126 | |
| 127 @override | |
| 128 Stream<WatchEvent> get changes => new DirectoryWatcher(_entry.path).events; | |
| 129 | |
| 130 @override | |
| 131 String canonicalizePath(String relPath) { | |
| 132 return normalize(join(_entry.absolute.path, relPath)); | |
| 133 } | |
| 134 | |
| 135 @override | |
| 136 bool contains(String path) { | |
| 137 return isWithin(this.path, path); | |
| 138 } | |
| 139 | |
| 140 @override | |
| 141 Resource getChild(String relPath) { | |
| 142 String canonicalPath = canonicalizePath(relPath); | |
| 143 return PhysicalResourceProvider.INSTANCE.getResource(canonicalPath); | |
| 144 } | |
| 145 | |
| 146 @override | |
| 147 _PhysicalFolder getChildAssumingFolder(String relPath) { | |
| 148 String canonicalPath = canonicalizePath(relPath); | |
| 149 io.Directory directory = new io.Directory(canonicalPath); | |
| 150 return new _PhysicalFolder(directory); | |
| 151 } | |
| 152 | |
| 153 @override | |
| 154 List<Resource> getChildren() { | |
| 155 try { | |
| 156 List<Resource> children = <Resource>[]; | |
| 157 io.Directory directory = _entry as io.Directory; | |
| 158 List<io.FileSystemEntity> entries = directory.listSync(recursive: false); | |
| 159 int numEntries = entries.length; | |
| 160 for (int i = 0; i < numEntries; i++) { | |
| 161 io.FileSystemEntity entity = entries[i]; | |
| 162 if (entity is io.Directory) { | |
| 163 children.add(new _PhysicalFolder(entity)); | |
| 164 } else if (entity is io.File) { | |
| 165 children.add(new _PhysicalFile(entity)); | |
| 166 } | |
| 167 } | |
| 168 return children; | |
| 169 } on io.FileSystemException catch (exception) { | |
| 170 throw new FileSystemException(exception.path, exception.message); | |
| 171 } | |
| 172 } | |
| 173 | |
| 174 @override | |
| 175 bool isOrContains(String path) { | |
| 176 if (path == this.path) { | |
| 177 return true; | |
| 178 } | |
| 179 return contains(path); | |
| 180 } | |
| 181 } | |
| 182 | |
| 183 /** | |
| 184 * A `dart:io` based implementation of [Resource]. | |
| 185 */ | |
| 186 abstract class _PhysicalResource implements Resource { | |
| 187 final io.FileSystemEntity _entry; | |
| 188 | |
| 189 _PhysicalResource(this._entry); | |
| 190 | |
| 191 @override | |
| 192 bool get exists => _entry.existsSync(); | |
| 193 | |
| 194 @override | |
| 195 get hashCode => path.hashCode; | |
| 196 | |
| 197 @override | |
| 198 Folder get parent { | |
| 199 String parentPath = dirname(path); | |
| 200 if (parentPath == path) { | |
| 201 return null; | |
| 202 } | |
| 203 return new _PhysicalFolder(new io.Directory(parentPath)); | |
| 204 } | |
| 205 | |
| 206 @override | |
| 207 String get path => _entry.absolute.path; | |
| 208 | |
| 209 @override | |
| 210 String get shortName => basename(path); | |
| 211 | |
| 212 @override | |
| 213 bool operator ==(other) { | |
| 214 if (runtimeType != other.runtimeType) { | |
| 215 return false; | |
| 216 } | |
| 217 return path == other.path; | |
| 218 } | |
| 219 | |
| 220 @override | |
| 221 String toString() => path; | |
| 222 } | |
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Chromium Code Reviews
Issue 1400473008:
Roll Observatory packages and add a roll script (Closed)
Base URL: git@github.com:dart-lang/observatory_pub_packages.git@master