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-rw-r--r--xpcom/io/StreamBufferSinkImpl.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/xpcom/io/StreamBufferSinkImpl.h b/xpcom/io/StreamBufferSinkImpl.h
new file mode 100644
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+++ b/xpcom/io/StreamBufferSinkImpl.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_StreamBufferSinkImpl_h
+#define mozilla_StreamBufferSinkImpl_h
+
+#include "mozilla/Buffer.h"
+#include "mozilla/StreamBufferSink.h"
+#include "mozilla/UniquePtr.h"
+
+namespace mozilla {
+
+class BufferSink final : public StreamBufferSink {
+ public:
+ explicit BufferSink(Buffer<char>&& aBuffer) : mBuffer(std::move(aBuffer)) {}
+
+ explicit BufferSink(size_t aLength) : mBuffer(aLength) {}
+
+ static UniquePtr<BufferSink> Alloc(size_t aLength) {
+ auto maybeBuffer = Buffer<char>::Alloc(aLength);
+ if (!maybeBuffer) {
+ return nullptr;
+ }
+
+ return MakeUnique<BufferSink>(maybeBuffer.extract());
+ }
+
+ mozilla::Span<char> Data() override { return mBuffer.AsWritableSpan(); }
+
+ private:
+ Buffer<char> mBuffer;
+};
+
+class nsBorrowedSink final : public StreamBufferSink {
+ public:
+ explicit nsBorrowedSink(mozilla::Span<char> aBuffer) : mBuffer(aBuffer) {}
+
+ mozilla::Span<char> Data() override { return mBuffer; }
+
+ private:
+ mozilla::Span<char> mBuffer;
+};
+
+} // namespace mozilla
+
+#endif // mozilla_StreamBufferSinkImpl_h