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lightning-sunbird  0.9+nobinonly
nsIObjectInputStream.idl
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00001 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is Mozilla FastLoad code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 2001
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *   Brendan Eich <brendan@mozilla.org> (original author)
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either of the GNU General Public License Version 2 or later (the "GPL"),
00027  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
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00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 
00039 #include "nsIBinaryInputStream.idl"
00040 #include "nsrootidl.idl"
00041 
00047 [scriptable, uuid(6c248606-4eae-46fa-9df0-ba58502368eb)]
00048 interface nsIObjectInputStream : nsIBinaryInputStream
00049 {
00059     nsISupports readObject(in PRBool aIsStrongRef);
00060 
00061     [notxpcom] nsresult readID(out nsID aID);
00062 
00066     [notxpcom] charPtr getBuffer(in PRUint32 aLength, in PRUint32 aAlignMask);
00067     [notxpcom] void    putBuffer(in charPtr aBuffer, in PRUint32 aLength);
00068 };
00069 
00070 %{C++
00071 
00072 inline nsresult
00073 NS_ReadOptionalObject(nsIObjectInputStream* aStream, PRBool aIsStrongRef,
00074                       nsISupports* *aResult)
00075 {
00076     PRBool nonnull;
00077     nsresult rv = aStream->ReadBoolean(&nonnull);
00078     if (NS_SUCCEEDED(rv)) {
00079         if (nonnull)
00080             rv = aStream->ReadObject(aIsStrongRef, aResult);
00081         else
00082             *aResult = nsnull;
00083     }
00084     return rv;
00085 }
00086 
00087 %}