зеркало из https://github.com/mozilla/gecko-dev.git
54 строки
2.0 KiB
C++
54 строки
2.0 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 mozilla_mscom_Objref_h
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#define mozilla_mscom_Objref_h
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#include "mozilla/NotNull.h"
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#include "mozilla/RefPtr.h"
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#include <guiddef.h>
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struct IStream;
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namespace mozilla {
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namespace mscom {
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/**
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* Given a buffer containing a serialized proxy to an interface with a handler,
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* this function strips out the handler and converts it to a standard one.
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* @param aStream IStream containing a serialized proxy.
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* There should be nothing else written to the stream past the
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* current OBJREF.
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* @param aStart Absolute position of the beginning of the OBJREF.
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* @param aEnd Absolute position of the end of the OBJREF.
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* @return true if the handler was successfully stripped, otherwise false.
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*/
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bool StripHandlerFromOBJREF(NotNull<IStream*> aStream, const uint64_t aStart,
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const uint64_t aEnd);
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/**
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* Given a buffer containing a serialized proxy to an interface, this function
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* returns the length of the serialized data.
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* @param aStream IStream containing a serialized proxy. The stream pointer
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* must be positioned at the beginning of the OBJREF.
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* @return The size of the serialized proxy, or 0 on error.
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*/
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uint32_t GetOBJREFSize(NotNull<IStream*> aStream);
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/**
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* Overrides the IID in a serialized proxy with the specified IID.
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* @param aStream Pointer to a stream containing a serialized proxy.
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* @param aStart Offset to the beginning of the serialized proxy within aStream.
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* @param aNewIid The replacement IID to apply to the serialized proxy.
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*/
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bool SetIID(NotNull<IStream*> aStream, const uint64_t aStart, REFIID aNewIid);
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} // namespace mscom
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} // namespace mozilla
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#endif // mozilla_mscom_Objref_h
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