mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/**
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* This class allows you to prefix an existing nsIAsyncInputStream
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* with a preloaded block of data known at construction time by wrapping the
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* two data sources into a new nsIAsyncInputStream. Readers of the new
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* stream initially see the preloaded data and when that has been exhausted
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* they automatically read from the wrapped stream.
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*
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* It is used by nsHttpConnection when it has over buffered while reading from
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* the HTTP input socket and accidentally consumed data that belongs to
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* a different protocol via the HTTP Upgrade mechanism. That over-buffered
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* data is preloaded together with the input socket to form the new input socket
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* given to the new protocol handler.
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*/
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#ifndef nsPreloadedStream_h__
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#define nsPreloadedStream_h__
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#include "nsIAsyncInputStream.h"
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#include "nsCOMPtr.h"
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#include "mozilla/Attributes.h"
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namespace mozilla {
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namespace net {
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class nsPreloadedStream MOZ_FINAL : public nsIAsyncInputStream
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{
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public:
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NS_DECL_THREADSAFE_ISUPPORTS
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NS_DECL_NSIINPUTSTREAM
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NS_DECL_NSIASYNCINPUTSTREAM
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nsPreloadedStream(nsIAsyncInputStream *aStream,
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const char *data, uint32_t datalen);
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private:
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~nsPreloadedStream();
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nsCOMPtr<nsIAsyncInputStream> mStream;
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char *mBuf;
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uint32_t mOffset;
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uint32_t mLen;
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};
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} // namespace net
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} // namespace mozilla
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#endif
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