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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla FastLoad code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2001
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Brendan Eich <brendan@mozilla.org> (original author)
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsIBinaryInputStream.idl"
#include "nsrootidl.idl"
/**
* @see nsIObjectOutputStream
* @see nsIBinaryInputStream
*/
[scriptable, 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 PRBool aIsStrongRef);
[notxpcom] nsresult readID(out nsID aID);
/**
* Optimized deserialization support -- see nsIStreamBufferAccess.idl.
*/
[notxpcom] charPtr getBuffer(in PRUint32 aLength, in PRUint32 aAlignMask);
[notxpcom] void putBuffer(in charPtr aBuffer, in PRUint32 aLength);
};
%{C++
inline nsresult
NS_ReadOptionalObject(nsIObjectInputStream* aStream, PRBool aIsStrongRef,
nsISupports* *aResult)
{
PRBool nonnull;
nsresult rv = aStream->ReadBoolean(&nonnull);
if (NS_SUCCEEDED(rv)) {
if (nonnull)
rv = aStream->ReadObject(aIsStrongRef, aResult);
else
*aResult = nsnull;
}
return rv;
}
%}
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