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Unified Diff: pkg/dev_compiler/tool/input_sdk/lib/convert/chunked_conversion.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/convert/chunked_conversion.dart
diff --git a/pkg/dev_compiler/tool/input_sdk/lib/convert/chunked_conversion.dart b/pkg/dev_compiler/tool/input_sdk/lib/convert/chunked_conversion.dart
deleted file mode 100644
index ee71f4f2b570fbaac029fbec9932f9817883cc39..0000000000000000000000000000000000000000
--- a/pkg/dev_compiler/tool/input_sdk/lib/convert/chunked_conversion.dart
+++ /dev/null
@@ -1,97 +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.convert;
-
-typedef void _ChunkedConversionCallback<T>(T accumulated);
-
-/// This class is deprecated. Extend [Converter] directly.
-@deprecated
-abstract class ChunkedConverter<S, T, S2, T2> extends Converter<S, T> {
- const ChunkedConverter(): super();
-
- dynamic bind(dynamic other) => super.bind(other);
- dynamic startChunkedConversion(dynamic sink) =>
- super.startChunkedConversion(sink);
-}
-
-/**
- * A [ChunkedConversionSink] is used to transmit data more efficiently between
- * two converters during chunked conversions.
- *
- * The basic `ChunkedConversionSink` is just a [Sink], and converters should
- * work with a plain `Sink`, but may work more efficiently with certain
- * specialized types of `ChunkedConversionSink`.
- *
- * It is recommended that implementations of `ChunkedConversionSink` extend
- * this class, to inherit any further methods that may be added to the class.
- */
-abstract class ChunkedConversionSink<T> implements Sink<T> {
- ChunkedConversionSink();
- factory ChunkedConversionSink.withCallback(
- void callback(List<T> accumulated)) = _SimpleCallbackSink<T>;
-
- /**
- * Adds chunked data to this sink.
- *
- * This method is also used when converters are used as [StreamTransformer]s.
- */
- void add(T chunk);
-
- /**
- * Closes the sink.
- *
- * This signals the end of the chunked conversion. This method is called
- * when converters are used as [StreamTransformer]'s.
- */
- void close();
-}
-
-/**
- * This class accumulates all chunks and invokes a callback with a list of
- * the chunks when the sink is closed.
- *
- * This class can be used to terminate a chunked conversion.
- */
-class _SimpleCallbackSink<T> extends ChunkedConversionSink<T> {
- final _ChunkedConversionCallback<List<T>> _callback;
- final List<T> _accumulated = <T>[];
-
- _SimpleCallbackSink(this._callback);
-
- void add(T chunk) { _accumulated.add(chunk); }
- void close() { _callback(_accumulated); }
-}
-
-/**
- * This class implements the logic for a chunked conversion as a
- * stream transformer.
- *
- * It is used as strategy in the [EventTransformStream].
- *
- * It also implements the [ChunkedConversionSink] interface so that it
- * can be used as output sink in a chunked conversion.
- */
-class _ConverterStreamEventSink<S, T> implements EventSink<S> {
- /** The output sink for the converter. */
- final EventSink<T> _eventSink;
-
- /**
- * The input sink for new data. All data that is received with
- * [handleData] is added into this sink.
- */
- final Sink<S> _chunkedSink;
-
- _ConverterStreamEventSink(
- Converter/*=Converter<S, T>*/ converter,
- EventSink<T> sink)
- : this._eventSink = sink,
- _chunkedSink = converter.startChunkedConversion(sink);
-
- void add(S o) { _chunkedSink.add(o); }
- void addError(Object error, [StackTrace stackTrace]) {
- _eventSink.addError(error, stackTrace);
- }
- void close() { _chunkedSink.close(); }
-}

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