gecko-dev/xpcom/io/StreamBufferSinkImpl.h

50 строки
1.3 KiB
C++

/* -*- 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