Reverting 14496

pkg/http/lib/src/utils.dart

Index: pkg/http/lib/src/utils.dart
diff --git a/pkg/http/lib/src/utils.dart b/pkg/http/lib/src/utils.dart
deleted file mode 100644
index 53ccd63c0034a0b38d4e4c8a640419b21214ed96..0000000000000000000000000000000000000000
--- a/pkg/http/lib/src/utils.dart
+++ /dev/null
@@ -1,146 +0,0 @@
-// 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.
-
-library utils;
-
-import 'dart:io';
-import 'dart:isolate';
-import 'dart:scalarlist';
-import 'dart:uri';
-
-/// Converts a URL query string (or `application/x-www-form-urlencoded` body)
-/// into a [Map] from parameter names to values.
-///
-///     queryToMap("foo=bar&baz=bang&qux");
-///     //=> {"foo": "bar", "baz": "bang", "qux": ""}
-Map<String, String> queryToMap(String queryList) {
-  var map = <String>{};
-  for (var pair in queryList.split("&")) {
-    var split = split1(pair, "=");
-    if (split.isEmpty) continue;
-    var key = urlDecode(split[0]);
-    var value = urlDecode(split.length > 1 ? split[1] : "");
-    map[key] = value;
-  }
-  return map;
-}
-
-/// Converts a [Map] from parameter names to values to a URL query string.
-///
-///     mapToQuery({"foo": "bar", "baz": "bang"});
-///     //=> "foo=bar&baz=bang"
-String mapToQuery(Map<String, String> map) {
-  var pairs = <List<String>>[];
-  map.forEach((key, value) =>
-      pairs.add([encodeUriComponent(key), encodeUriComponent(value)]));
-  return Strings.join(pairs.map((pair) => "${pair[0]}=${pair[1]}"), "&");
-}
-
-/// Adds all key/value pairs from [source] to [destination], overwriting any
-/// pre-existing values.
-///
-///     var a = {"foo": "bar", "baz": "bang"};
-///     mapAddAll(a, {"baz": "zap", "qux": "quux"});
-///     a; //=> {"foo": "bar", "baz": "zap", "qux": "quux"}
-void mapAddAll(Map destination, Map source) =>
-  source.forEach((key, value) => destination[key] = value);
-
-/// Decodes a URL-encoded string. Unlike [decodeUriComponent], this includes
-/// replacing `+` with ` `.
-String urlDecode(String encoded) =>
-  decodeUriComponent(encoded.replaceAll("+", " "));
-
-/// Like [String.split], but only splits on the first occurrence of the pattern.
-/// This will always return an array of two elements or fewer.
-///
-///     split1("foo,bar,baz", ","); //=> ["foo", "bar,baz"]
-///     split1("foo", ","); //=> ["foo"]
-///     split1("", ","); //=> []
-List<String> split1(String toSplit, String pattern) {
-  if (toSplit.isEmpty) return <String>[];
-
-  var index = toSplit.indexOf(pattern);
-  if (index == -1) return [toSplit];
-  return [
-    toSplit.substring(0, index),
-    toSplit.substring(index + pattern.length)
-  ];
-}
-
-/// Returns the [Encoding] that corresponds to [charset]. Returns
-/// [Encoding.ISO_8859_1] if [charset] is null or if no [Encoding] was found
-/// that corresponds to [charset].
-Encoding encodingForCharset(String charset) {
-  if (charset == null) return Encoding.ISO_8859_1;
-  var encoding = _encodingForCharset(charset);
-  return encoding == null ? Encoding.ISO_8859_1 : encoding;
-}
-
-/// Returns the [Encoding] that corresponds to [charset]. Throws a [FormatException]
-/// if no [Encoding] was found that corresponds to [charset]. [charset] may not
-/// be null.
-Encoding requiredEncodingForCharset(String charset) {
-  var encoding = _encodingForCharset(charset);
-  if (encoding != null) return encoding;
-  throw new FormatException('Unsupported encoding "$charset".');
-}
-
-/// Returns the [Encoding] that corresponds to [charset]. Returns null if no
-/// [Encoding] was found that corresponds to [charset]. [charset] may not be
-/// null.
-Encoding _encodingForCharset(String charset) {
-  charset = charset.toLowerCase();
-  if (charset == 'ascii' || charset == 'us-ascii') return Encoding.ASCII;
-  if (charset == 'utf-8') return Encoding.UTF_8;
-  if (charset == 'iso-8859-1') return Encoding.ISO_8859_1;
-  return null;
-}
-
-/// Converts [bytes] into a [String] according to [encoding].
-String decodeString(List<int> bytes, Encoding encoding) {
-  // TODO(nweiz): implement this once issue 6284 is fixed.
-  return new String.fromCharCodes(bytes);
-}
-
-/// Converts [string] into a byte array according to [encoding].
-List<int> encodeString(String string, Encoding encoding) {
-  // TODO(nweiz): implement this once issue 6284 is fixed.
-  return string.charCodes;
-}
-
-/// Converts [input] into a [Uint8List]. If [input] is a [ByteArray] or
-/// [ByteArrayViewable], this just returns a view on [input].
-Uint8List toUint8List(List<int> input) {
-  if (input is Uint8List) return input;
-  if (input is ByteArrayViewable) input = input.asByteArray();
-  if (input is ByteArray) return new Uint8List.view(input);
-  var output = new Uint8List(input.length);
-  output.setRange(0, input.length, input);
-  return output;
-}
-
-/// Buffers all input from an InputStream and returns it as a future.
-Future<List<int>> consumeInputStream(InputStream stream) {
-  var completer = new Completer<List<int>>();
-  /// TODO(nweiz): use BufferList when issue 6409 is fixed
-  var buffer = <int>[];
-  stream.onClosed = () => completer.complete(buffer);
-  stream.onData = () => buffer.addAll(stream.read());
-  stream.onError = completer.completeException;
-  return completer.future;
-}
-
-/// Takes all input from [source] and writes it to [sink].
-void pipeInputToInput(InputStream source, ListInputStream sink) {
-  source.onClosed = () => sink.markEndOfStream();
-  source.onData = () => sink.write(source.read());
-  // TODO(nweiz): propagate source errors to the sink. See issue 3657.
-}
-
-/// Returns a [Future] that asynchronously completes to `null`.
-Future get async {
-  var completer = new Completer();
-  new Timer(0, (_) => completer.complete(null));
-  return completer.future;
-}