gecko-dev/xpcom/io/nsIInputStreamTee.idl

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 2001 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* Darin Fisher <darin@netscape.com> (original author)
*/
#include "nsIInputStream.idl"
interface nsIOutputStream;
/**
* A nsIInputStreamTee is a wrapper for an input stream, that when read
* reads the specified amount of data from its |source| and copies that
* data to its |sink|. |sink| must be a blocking output stream.
*/
[scriptable, uuid(44e8b2c8-1ecb-4a63-8b23-3e3500c34f32)]
interface nsIInputStreamTee : nsIInputStream
{
void init(in nsIInputStream source,
in nsIOutputStream sink);
};
%{C++
// factory method
extern NS_COM nsresult
NS_NewInputStreamTee(nsIInputStream **tee, // read from this input stream
nsIInputStream *source,
nsIOutputStream *sink);
%}