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Unified Diff: pkg/dev_compiler/tool/input_sdk/lib/io/io_sink.dart

Issue 2698353003: unfork DDC's copy of most SDK libraries (Closed)
Patch Set: revert core_patch Created 3 years, 10 months ago
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Index: pkg/dev_compiler/tool/input_sdk/lib/io/io_sink.dart
diff --git a/pkg/dev_compiler/tool/input_sdk/lib/io/io_sink.dart b/pkg/dev_compiler/tool/input_sdk/lib/io/io_sink.dart
deleted file mode 100644
index b1c05a02542b9a412e1440f49c83df226210fe42..0000000000000000000000000000000000000000
--- a/pkg/dev_compiler/tool/input_sdk/lib/io/io_sink.dart
+++ /dev/null
@@ -1,309 +0,0 @@
-// Copyright (c) 2013, 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.
-
-part of dart.io;
-
-/**
- * A combined byte and text output.
- *
- * An [IOSink] combines a [StreamSink] of bytes with a [StringSink],
- * and allows easy output of both bytes and text.
- *
- * Writing text ([write]) and adding bytes ([add]) may be interleaved freely.
- *
- * While a stream is being added using [addStream], any further attempts
- * to add or write to the [IOSink] will fail until the [addStream] completes.
- *
- * If data is added to the [IOSink] after the sink is closed, the data will be
- * ignored. Use the [done] future to be notified when the [IOSink] is closed.
- */
-abstract class IOSink implements StreamSink<List<int>>, StringSink {
-
- /**
- * Create an [IOSink] that outputs to a [target] [StreamConsumer] of bytes.
- *
- * Text written to [StreamSink] methods is encoded to bytes using [encoding]
- * before being output on [target].
- */
- factory IOSink(StreamConsumer<List<int>> target,
- {Encoding encoding: UTF8})
- => new _IOSinkImpl(target, encoding);
-
- /**
- * The [Encoding] used when writing strings. Depending on the
- * underlying consumer this property might be mutable.
- */
- Encoding encoding;
-
- /**
- * Adds byte [data] to the target consumer, ignoring [encoding].
- *
- * The [encoding] does not apply to this method, and the `data` list is passed
- * directly to the target consumer as a stream event.
- *
- * This function must not be called when a stream is currently being added
- * using [addStream].
- *
- * This operation is non-blocking. See [flush] or [done] for how to get any
- * errors generated by this call.
- *
- * The data list should not be modified after it has been passed to `add`.
- */
- void add(List<int> data);
-
- /**
- * Converts [obj] to a String by invoking [Object.toString] and
- * [add]s the encoding of the result to the target consumer.
- *
- * This operation is non-blocking. See [flush] or [done] for how to get any
- * errors generated by this call.
- */
- void write(Object obj);
-
- /**
- * Iterates over the given [objects] and [write]s them in sequence.
- *
- * If [separator] is provided, a `write` with the `separator` is performed
- * between any two elements of objects`.
- *
- * This operation is non-blocking. See [flush] or [done] for how to get any
- * errors generated by this call.
- */
- void writeAll(Iterable objects, [String separator = ""]);
-
- /**
- * Converts [obj] to a String by invoking [Object.toString] and
- * writes the result to `this`, followed by a newline.
- *
- * This operation is non-blocking. See [flush] or [done] for how to get any
- * errors generated by this call.
- */
- void writeln([Object obj = ""]);
-
- /**
- * Writes the character of [charCode].
- *
- * This method is equivalent to `write(new String.fromCharCode(charCode))`.
- *
- * This operation is non-blocking. See [flush] or [done] for how to get any
- * errors generated by this call.
- */
- void writeCharCode(int charCode);
-
- /**
- * Passes the error to the target consumer as an error event.
- *
- * This function must not be called when a stream is currently being added
- * using [addStream].
- *
- * This operation is non-blocking. See [flush] or [done] for how to get any
- * errors generated by this call.
- */
- void addError(error, [StackTrace stackTrace]);
-
- /**
- * Adds all elements of the given [stream] to `this`.
- *
- * Returns a [Future] that completes when
- * all elements of the given [stream] are added to `this`.
- */
- Future addStream(Stream<List<int>> stream);
-
- /**
- * Returns a [Future] that completes once all buffered data is accepted by the
- * to underlying [StreamConsumer].
- *
- * This method must not be called while an [addStream] is incomplete.
- *
- * NOTE: This is not necessarily the same as the data being flushed by the
- * operating system.
- */
- Future flush();
-
- /**
- * Close the target consumer.
- */
- Future close();
-
- /**
- * Get a future that will complete when the consumer closes, or when an
- * error occurs. This future is identical to the future returned by
- * [close].
- */
- Future get done;
-}
-
-class _StreamSinkImpl<T> implements StreamSink<T> {
- final StreamConsumer<T> _target;
- final Completer _doneCompleter = new Completer();
- StreamController<T> _controllerInstance;
- Completer _controllerCompleter;
- bool _isClosed = false;
- bool _isBound = false;
- bool _hasError = false;
-
- _StreamSinkImpl(this._target);
-
- void add(T data) {
- if (_isClosed) return;
- _controller.add(data);
- }
-
- void addError(error, [StackTrace stackTrace]) {
- _controller.addError(error, stackTrace);
- }
-
- Future addStream(Stream<T> stream) {
- if (_isBound) {
- throw new StateError("StreamSink is already bound to a stream");
- }
- _isBound = true;
- if (_hasError) return done;
- // Wait for any sync operations to complete.
- Future targetAddStream() {
- return _target.addStream(stream)
- .whenComplete(() {
- _isBound = false;
- });
- }
- if (_controllerInstance == null) return targetAddStream();
- var future = _controllerCompleter.future;
- _controllerInstance.close();
- return future.then((_) => targetAddStream());
- }
-
- Future flush() {
- if (_isBound) {
- throw new StateError("StreamSink is bound to a stream");
- }
- if (_controllerInstance == null) return new Future.value(this);
- // Adding an empty stream-controller will return a future that will complete
- // when all data is done.
- _isBound = true;
- var future = _controllerCompleter.future;
- _controllerInstance.close();
- return future.whenComplete(() {
- _isBound = false;
- });
- }
-
- Future close() {
- if (_isBound) {
- throw new StateError("StreamSink is bound to a stream");
- }
- if (!_isClosed) {
- _isClosed = true;
- if (_controllerInstance != null) {
- _controllerInstance.close();
- } else {
- _closeTarget();
- }
- }
- return done;
- }
-
- void _closeTarget() {
- _target.close().then(_completeDoneValue, onError: _completeDoneError);
- }
-
- Future get done => _doneCompleter.future;
-
- void _completeDoneValue(value) {
- if (!_doneCompleter.isCompleted) {
- _doneCompleter.complete(value);
- }
- }
-
- void _completeDoneError(error, StackTrace stackTrace) {
- if (!_doneCompleter.isCompleted) {
- _hasError = true;
- _doneCompleter.completeError(error, stackTrace);
- }
- }
-
- StreamController<T> get _controller {
- if (_isBound) {
- throw new StateError("StreamSink is bound to a stream");
- }
- if (_isClosed) {
- throw new StateError("StreamSink is closed");
- }
- if (_controllerInstance == null) {
- _controllerInstance = new StreamController<T>(sync: true);
- _controllerCompleter = new Completer();
- _target.addStream(_controller.stream).then((_) {
- if (_isBound) {
- // A new stream takes over - forward values to that stream.
- _controllerCompleter.complete(this);
- _controllerCompleter = null;
- _controllerInstance = null;
- } else {
- // No new stream, .close was called. Close _target.
- _closeTarget();
- }
- }, onError: (error, stackTrace) {
- if (_isBound) {
- // A new stream takes over - forward errors to that stream.
- _controllerCompleter.completeError(error, stackTrace);
- _controllerCompleter = null;
- _controllerInstance = null;
- } else {
- // No new stream. No need to close target, as it has already
- // failed.
- _completeDoneError(error, stackTrace);
- }
- });
- }
- return _controllerInstance;
- }
-}
-
-
-class _IOSinkImpl extends _StreamSinkImpl<List<int>> implements IOSink {
- Encoding _encoding;
- bool _encodingMutable = true;
-
- _IOSinkImpl(StreamConsumer<List<int>> target, this._encoding)
- : super(target);
-
- Encoding get encoding => _encoding;
-
- void set encoding(Encoding value) {
- if (!_encodingMutable) {
- throw new StateError("IOSink encoding is not mutable");
- }
- _encoding = value;
- }
-
- void write(Object obj) {
- String string = '$obj';
- if (string.isEmpty) return;
- add(_encoding.encode(string));
- }
-
- void writeAll(Iterable objects, [String separator = ""]) {
- Iterator iterator = objects.iterator;
- if (!iterator.moveNext()) return;
- if (separator.isEmpty) {
- do {
- write(iterator.current);
- } while (iterator.moveNext());
- } else {
- write(iterator.current);
- while (iterator.moveNext()) {
- write(separator);
- write(iterator.current);
- }
- }
- }
-
- void writeln([Object object = ""]) {
- write(object);
- write("\n");
- }
-
- void writeCharCode(int charCode) {
- write(new String.fromCharCode(charCode));
- }
-}
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