forked from mirrors/gecko-dev
30984f7bab
Differential Revision: https://phabricator.services.mozilla.com/D62543 --HG-- extra : moz-landing-system : lando
99 lines
3 KiB
C++
99 lines
3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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#ifndef nsBinaryStream_h___
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#define nsBinaryStream_h___
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#include "nsCOMPtr.h"
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#include "nsAString.h"
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#include "nsIObjectInputStream.h"
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#include "nsIObjectOutputStream.h"
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#include "nsIStreamBufferAccess.h"
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#define NS_BINARYOUTPUTSTREAM_CID \
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{ /* 86c37b9a-74e7-4672-844e-6e7dd83ba484 */ \
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0x86c37b9a, 0x74e7, 0x4672, { \
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0x84, 0x4e, 0x6e, 0x7d, 0xd8, 0x3b, 0xa4, 0x84 \
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} \
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}
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#define NS_BINARYOUTPUTSTREAM_CONTRACTID "@mozilla.org/binaryoutputstream;1"
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// Derive from nsIObjectOutputStream so this class can be used as a superclass
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// by nsObjectOutputStream.
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class nsBinaryOutputStream final : public nsIObjectOutputStream {
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public:
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nsBinaryOutputStream() = default;
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protected:
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friend already_AddRefed<nsIObjectOutputStream> NS_NewObjectOutputStream(
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nsIOutputStream*);
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// nsISupports methods
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NS_DECL_ISUPPORTS
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// nsIOutputStream methods
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NS_DECL_NSIOUTPUTSTREAM
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// nsIBinaryOutputStream methods
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NS_DECL_NSIBINARYOUTPUTSTREAM
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// nsIObjectOutputStream methods
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NS_DECL_NSIOBJECTOUTPUTSTREAM
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// Call Write(), ensuring that all proffered data is written
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nsresult WriteFully(const char* aBuf, uint32_t aCount);
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nsCOMPtr<nsIOutputStream> mOutputStream;
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nsCOMPtr<nsIStreamBufferAccess> mBufferAccess;
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private:
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// virtual dtor since subclasses call our Release()
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virtual ~nsBinaryOutputStream() = default;
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};
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#define NS_BINARYINPUTSTREAM_CID \
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{ /* c521a612-2aad-46db-b6ab-3b821fb150b1 */ \
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0xc521a612, 0x2aad, 0x46db, { \
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0xb6, 0xab, 0x3b, 0x82, 0x1f, 0xb1, 0x50, 0xb1 \
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} \
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}
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#define NS_BINARYINPUTSTREAM_CONTRACTID "@mozilla.org/binaryinputstream;1"
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class nsBinaryInputStream final : public nsIObjectInputStream {
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public:
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nsBinaryInputStream() = default;
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protected:
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friend already_AddRefed<nsIObjectInputStream> NS_NewObjectInputStream(
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nsIInputStream*);
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// nsISupports methods
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NS_DECL_ISUPPORTS
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// nsIInputStream methods
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NS_DECL_NSIINPUTSTREAM
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// nsIBinaryInputStream methods
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NS_DECL_NSIBINARYINPUTSTREAM
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// nsIObjectInputStream methods
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NS_DECL_NSIOBJECTINPUTSTREAM
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nsCOMPtr<nsIInputStream> mInputStream;
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nsCOMPtr<nsIStreamBufferAccess> mBufferAccess;
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private:
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// Shared infrastructure for ReadBytes and ReadByteArray. Callers
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// are expected to provide a buffer that can contain aLength bytes.
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nsresult ReadBytesToBuffer(uint32_t aLength, uint8_t* aBuffer);
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// virtual dtor since subclasses call our Release()
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virtual ~nsBinaryInputStream() = default;
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};
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#endif // nsBinaryStream_h___
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