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pkg/dev_compiler/tool/input_sdk/lib/io/io.dart

Index: pkg/dev_compiler/tool/input_sdk/lib/io/io.dart
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-// Copyright (c) 2012, 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.
-
-/**
- * File, socket, HTTP, and other I/O support for server applications.
- *
- * The I/O library is used for Dart server applications,
- * which run on a stand-alone Dart VM from the command line.
- * *This library does not work in browser-based applications.*
- *
- * This library allows you to work with files, directories,
- * sockets, processes, HTTP servers and clients, and more.
- *
- * To use this library in your code:
- *
- *     import 'dart:io';
- *
- * *Note:* Many operations related to input and output are asynchronous
- * and are handled using [Future]s or [Stream]s, both of which
- * are defined in the `dart:async` library.
- *
- * ## File, Directory, and Link
- *
- * An instance of [File], [Directory], or [Link] represents a file,
- * directory, or link, respectively, in the native file system.
- *
- * You can manipulate the file system through objects of these types.
- * For example, you can rename a file or directory:
- *
- *     File myFile = new File('myFile.txt');
- *     myFile.rename('yourFile.txt').then((_) => print('file renamed'));
- *
- * Many methods provided by the File, Directory, and Link classes
- * run asynchronously and return a Future.
- *
- * ## FileSystemEntity
- *
- * File, Directory, and Link all extend [FileSystemEntity].
- * In addition to being the superclass for these classes,
- * FileSystemEntity has a number of static methods for working with paths.
- *
- * To get information about a path,
- * you can use the FileSystemEntity static methods
- * such as 'isDirectory', 'isFile', and 'exists'.
- * Because file system access involves I/O, these methods
- * are asynchronous and return a Future.
- *
- *     FileSystemEntity.isDirectory(myPath).then((isDir) {
- *       if (isDir) {
- *         print('$myPath is a directory');
- *       } else {
- *         print('$myPath is not a directory');
- *       }
- *     });
- *
- * ## HttpServer and HttpClient
- *
- * The classes [HttpServer] and [HttpClient]
- * provide HTTP server and HTTP client functionality.
- *
- * The [HttpServer] class provides the basic functionality for
- * implementing an HTTP server.
- * For some higher-level building-blocks, we recommend that you try
- * the [http_server](https://pub.dartlang.org/packages/http_server)
- * pub package, which contains
- * a set of high-level classes that, together with the [HttpServer] class
- * in this library, make it easier to implement HTTP servers.
- *
- * ## Process
- *
- * The [Process] class provides a way to run a process on
- * the native machine.
- * For example, the following code spawns a process that recursively lists
- * the files under `web`.
- *
- *     Process.start('ls', ['-R', 'web']).then((process) {
- *       stdout.addStream(process.stdout);
- *       stderr.addStream(process.stderr);
- *       process.exitCode.then(print);
- *     });
- *
- * Using `start()` returns a Future, which completes with a [Process] object
- * when the process has started. This [Process] object allows you to interact
- * with the process while it is running. Using `run()` returns a Future, which
- * completes with a [ProcessResult] object when the spawned process has
- * terminated. This [ProcessResult] object collects the output and exit code
- * from the process.
- *
- * When using `start()`,
- * you need to read all data coming on the stdout and stderr streams otherwise
- * the system resources will not be freed.
- *
- * ## WebSocket
- *
- * The [WebSocket] class provides support for the web socket protocol. This
- * allows full-duplex communications between client and server applications.
- * Use the WebSocket class in the `dart:html` library for web clients.
- *
- * A web socket server uses a normal HTTP server for accepting web socket
- * connections. The initial handshake is a HTTP request which is then upgraded to a
- * web socket connection.
- * The server upgrades the request using [WebSocketTransformer]
- * and listens for the data on the returned web socket.
- * For example, here's a mini server that listens for 'ws' data
- * on a WebSocket:
- *
- *     runZoned(() {
- *       HttpServer.bind('127.0.0.1', 4040).then((server) {
- *         server.listen((HttpRequest req) {
- *           if (req.uri.path == '/ws') {
- *             WebSocketTransformer.upgrade(req).then((socket) {
- *               socket.listen(handleMsg);
- *             });
- *           }
- *         });
- *       });
- *     },
- *     onError: (e) => print("An error occurred."));
- *
- * The client connects to the WebSocket using the `connect()` method
- * and a URI that uses the Web Socket protocol.
- * The client can write to the WebSocket with the `add()` method.
- * For example,
- *
- *     WebSocket.connect('ws://127.0.0.1:4040/ws').then((socket) {
- *       socket.add('Hello, World!');
- *     });
- *
- * Check out the
- * [dartiverse_search](https://github.com/dart-lang/sample-dartiverse-search)
- * sample for a client/server pair that uses
- * WebSockets to communicate.
- *
- * ## Socket and ServerSocket
- *
- * Clients and servers use [Socket]s to communicate using the TCP protocol.
- * Use [ServerSocket] on the server side and [Socket] on the client.
- * The server creates a listening socket using the `bind()` method and
- * then listens for incoming connections on the socket. For example:
- *
- *     ServerSocket.bind('127.0.0.1', 4041)
- *       .then((serverSocket) {
- *         serverSocket.listen((socket) {
- *           socket.transform(UTF8.decoder).listen(print);
- *         });
- *       });
- *
- * A client connects a Socket using the `connect()` method,
- * which returns a Future.
- * Using `write()`, `writeln()`, or `writeAll()` are the easiest ways to
- * send data over the socket.
- * For example:
- *
- *     Socket.connect('127.0.0.1', 4041).then((socket) {
- *       socket.write('Hello, World!');
- *     });
- *
- * Besides [Socket] and [ServerSocket], the [RawSocket] and
- * [RawServerSocket] classes are available for lower-level access
- * to async socket IO.
- *
- * ## Standard output, error, and input streams
- *
- * This library provides the standard output, error, and input
- * streams, named 'stdout', 'stderr', and 'stdin', respectively.
- *
- * The stdout and stderr streams are both [IOSink]s and have the same set
- * of methods and properties.
- *
- * To write a string to 'stdout':
- *
- *     stdout.writeln('Hello, World!');
- *
- * To write a list of objects to 'stderr':
- *
- *     stderr.writeAll([ 'That ', 'is ', 'an ', 'error.', '\n']);
- *
- * The standard input stream is a true [Stream], so it inherits
- * properties and methods from the Stream class.
- *
- * To read text synchronously from the command line
- * (the program blocks waiting for user to type information):
- *
- *      String inputText = stdin.readLineSync();
- *
- * ## Other resources
- *
- * For an introduction to I/O in Dart, see the [dart:io section of the library
- * tour](https://www.dartlang.org/docs/dart-up-and-running/ch03.html#dartio---io-for-command-line-apps).
- *
- * To learn more about I/O in Dart, refer to the [tutorial about writing
- * command-line apps](https://www.dartlang.org/docs/tutorials/cmdline/).
- */
-library dart.io;
-
-import 'dart:async';
-import 'dart:_internal';
-import 'dart:collection' show HashMap,
-                              HashSet,
-                              Queue,
-                              ListQueue,
-                              LinkedList,
-                              LinkedListEntry,
-                              UnmodifiableMapView;
-import 'dart:convert';
-import 'dart:developer';
-import 'dart:isolate';
-import 'dart:math';
-import 'dart:typed_data';
-
-part 'bytes_builder.dart';
-part 'common.dart';
-part 'crypto.dart';
-part 'data_transformer.dart';
-part 'directory.dart';
-part 'directory_impl.dart';
-part 'eventhandler.dart';
-part 'file.dart';
-part 'file_impl.dart';
-part 'file_system_entity.dart';
-part 'http.dart';
-part 'http_date.dart';
-part 'http_headers.dart';
-part 'http_impl.dart';
-part 'http_parser.dart';
-part 'http_session.dart';
-part 'io_resource_info.dart';
-part 'io_sink.dart';
-part 'io_service.dart';
-part 'link.dart';
-part 'platform.dart';
-part 'platform_impl.dart';
-part 'process.dart';
-part 'secure_server_socket.dart';
-part 'secure_socket.dart';
-part 'security_context.dart';
-part 'service_object.dart';
-part 'socket.dart';
-part 'stdio.dart';
-part 'string_transformer.dart';
-part 'websocket.dart';
-part 'websocket_impl.dart';