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