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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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/. */
#include "nsIBinaryInputStream.idl"
/**
* @see nsIObjectOutputStream
* @see nsIBinaryInputStream
*/
[scriptable, builtinclass, uuid(6c248606-4eae-46fa-9df0-ba58502368eb)]
interface nsIObjectInputStream : nsIBinaryInputStream
{
/**
* Read an object from this stream to satisfy a strong or weak reference
* to one of its interfaces. If the interface was not along the primary
* inheritance chain ending in the "root" or XPCOM-identity nsISupports,
* readObject will QueryInterface from the deserialized object root to the
* correct interface, which was specified when the object was serialized.
*
* @see nsIObjectOutputStream
*/
nsISupports readObject(in boolean aIsStrongRef);
[notxpcom] nsresult readID(out nsID aID);
/**
* Optimized deserialization support -- see nsIStreamBufferAccess.idl.
*/
[notxpcom] charPtr getBuffer(in uint32_t aLength, in uint32_t aAlignMask);
[notxpcom] void putBuffer(in charPtr aBuffer, in uint32_t aLength);
};
%{C++
already_AddRefed<nsIObjectInputStream>
NS_NewObjectInputStream(nsIInputStream* aOutputStream);
inline nsresult
NS_ReadOptionalObject(nsIObjectInputStream* aStream, bool aIsStrongRef,
nsISupports* *aResult)
{
bool nonnull;
nsresult rv = aStream->ReadBoolean(&nonnull);
if (NS_SUCCEEDED(rv)) {
if (nonnull)
rv = aStream->ReadObject(aIsStrongRef, aResult);
else
*aResult = nullptr;
}
return rv;
}
%}
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