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Unified Diff: mojo/public/dart/src/data_pipe.dart

Issue 814543006: Move //mojo/{public, edk} underneath //third_party (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase Created 5 years, 11 months ago
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Index: mojo/public/dart/src/data_pipe.dart
diff --git a/mojo/public/dart/src/data_pipe.dart b/mojo/public/dart/src/data_pipe.dart
deleted file mode 100644
index 7f3b3ebcb8d7184d30dee3b878ffd7068ade9f32..0000000000000000000000000000000000000000
--- a/mojo/public/dart/src/data_pipe.dart
+++ /dev/null
@@ -1,192 +0,0 @@
-// Copyright 2014 The Chromium Authors. 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 core;
-
-
-class _MojoDataPipeNatives {
- static List MojoCreateDataPipe(
- int elementBytes, int capacityBytes, int flags)
- native "MojoDataPipe_Create";
-
- static List MojoWriteData(int handle, ByteData data, int numBytes, int flags)
- native "MojoDataPipe_WriteData";
-
- static List MojoBeginWriteData(int handle, int bufferBytes, int flags)
- native "MojoDataPipe_BeginWriteData";
-
- static int MojoEndWriteData(int handle, int bytesWritten)
- native "MojoDataPipe_EndWriteData";
-
- static List MojoReadData(int handle, ByteData data, int numBytes, int flags)
- native "MojoDataPipe_ReadData";
-
- static List MojoBeginReadData(int handle, int bufferBytes, int flags)
- native "MojoDataPipe_BeginReadData";
-
- static int MojoEndReadData(int handle, int bytesRead)
- native "MojoDataPipe_EndReadData";
-}
-
-
-class MojoDataPipeProducer {
- static const int FLAG_NONE = 0;
- static const int FLAG_ALL_OR_NONE = 1 << 0;
-
- MojoHandle handle;
- MojoResult status;
- final int elementBytes;
-
- MojoDataPipeProducer(
- this.handle, [this.status = MojoResult.OK, this.elementBytes = 1]);
-
- int write(ByteData data, [int numBytes = -1, int flags = 0]) {
- if (handle == null) {
- status = MojoResult.INVALID_ARGUMENT;
- return status;
- }
-
- int data_numBytes = (numBytes == -1) ? data.lengthInBytes : numBytes;
- List result = _MojoDataPipeNatives.MojoWriteData(
- handle.h, data, data_numBytes, flags);
- if (result == null) {
- status = MojoResult.INVALID_ARGUMENT;
- return status;
- }
-
- assert((result is List) && (result.length == 2));
- status = new MojoResult(result[0]);
- return result[1];
- }
-
- ByteData beginWrite(int bufferBytes, [int flags = 0]) {
- if (handle == null) {
- status = MojoResult.INVALID_ARGUMENT;
- return null;
- }
-
- List result = _MojoDataPipeNatives.MojoBeginWriteData(
- handle.h, bufferBytes, flags);
- if (result == null) {
- status = MojoResult.INVALID_ARGUMENT;
- return null;
- }
-
- assert((result is List) && (result.length == 2));
- status = new MojoResult(result[0]);
- return result[1];
- }
-
- MojoResult endWrite(int bytesWritten) {
- if (handle == null) {
- status = MojoResult.INVALID_ARGUMENT;
- return status;
- }
- int result = _MojoDataPipeNatives.MojoEndWriteData(handle.h, bytesWritten);
- status = new MojoResult(result);
- return status;
- }
-}
-
-
-class MojoDataPipeConsumer {
- static const int FLAG_NONE = 0;
- static const int FLAG_ALL_OR_NONE = 1 << 0;
- static const int FLAG_MAY_DISCARD = 1 << 1;
- static const int FLAG_QUERY = 1 << 2;
- static const int FLAG_PEEK = 1 << 3;
-
- MojoHandle handle;
- MojoResult status;
- final int elementBytes;
-
- MojoDataPipeConsumer(
- this.handle, [this.status = MojoResult.OK, this.elementBytes = 1]);
-
- int read(ByteData data, [int numBytes = -1, int flags = 0]) {
- if (handle == null) {
- status = MojoResult.INVALID_ARGUMENT;
- return status;
- }
-
- int data_numBytes = (numBytes == -1) ? data.lengthInBytes : numBytes;
- List result = _MojoDataPipeNatives.MojoReadData(
- handle.h, data, data_numBytes, flags);
- if (result == null) {
- status = MojoResult.INVALID_ARGUMENT;
- return status;
- }
- assert((result is List) && (result.length == 2));
- status = new MojoResult(result[0]);
- return result[1];
- }
-
- ByteData beginRead([int bufferBytes = 0, int flags = 0]) {
- if (handle == null) {
- status = MojoResult.INVALID_ARGUMENT;
- return null;
- }
-
- List result = _MojoDataPipeNatives.MojoBeginReadData(
- handle.h, bufferBytes, flags);
- if (result == null) {
- status = MojoResult.INVALID_ARGUMENT;
- return null;
- }
-
- assert((result is List) && (result.length == 2));
- status = new MojoResult(result[0]);
- return result[1];
- }
-
- MojoResult endRead(int bytesRead) {
- if (handle == null) {
- status = MojoResult.INVALID_ARGUMENT;
- return status;
- }
- int result = _MojoDataPipeNatives.MojoEndReadData(handle.h, bytesRead);
- status = new MojoResult(result);
- return status;
- }
-
- int query() => read(null, 0, FLAG_QUERY);
-}
-
-
-class MojoDataPipe {
- static const int FLAG_NONE = 0;
- static const int FLAG_MAY_DISCARD = 1 << 0;
- static const int DEFAULT_ELEMENT_SIZE = 1;
- static const int DEFAULT_CAPACITY = 0;
-
- MojoDataPipeProducer producer;
- MojoDataPipeConsumer consumer;
- MojoResult status;
-
- MojoDataPipe._internal() {
- producer = null;
- consumer = null;
- status = MojoResult.OK;
- }
-
- factory MojoDataPipe([int elementBytes = DEFAULT_ELEMENT_SIZE,
- int capacityBytes = DEFAULT_CAPACITY,
- int flags = FLAG_NONE]) {
- List result = _MojoDataPipeNatives.MojoCreateDataPipe(
- elementBytes, capacityBytes, flags);
- if (result == null) {
- return null;
- }
- assert((result is List) && (result.length == 3));
- MojoHandle producerHandle = new MojoHandle(result[1]);
- MojoHandle consumerHandle = new MojoHandle(result[2]);
- MojoDataPipe pipe = new MojoDataPipe._internal();
- pipe.producer = new MojoDataPipeProducer(
- producerHandle, new MojoResult(result[0]), elementBytes);
- pipe.consumer = new MojoDataPipeConsumer(
- consumerHandle, new MojoResult(result[0]), elementBytes);
- pipe.status = new MojoResult(result[0]);
- return pipe;
- }
-}
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