/* -*- 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 frightening to behold.
 *
 * The Initial Developer of the Original Code is
 * Jonas Sicking.
 * Portions created by the Initial Developer are Copyright (C) 2001
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Jonas Sicking <sicking@bigfoot.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either 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 "nsIInputStream.idl"

/**
 * The MIME stream separates headers and a datastream. It also allows
 * automatic creation of the content-length header.
 */

[scriptable, uuid(dcbce63c-1dd1-11b2-b94d-91f6d49a3161)]
interface nsIMIMEInputStream : nsIInputStream
{
    /**
     * When true a "Content-Length" header is automatically added to the
     * stream. The value of the content-length is automatically calculated
     * using the available() method on the data stream. The value is
     * recalculated every time the stream is rewinded to the start.
     * Not allowed to be changed once the stream has been started to be read.
     */
    attribute boolean addContentLength;

    /**
     * Adds an additional header to the stream on the form "name: value". May
     * not be called once the stream has been started to be read.
     * @param name   name of the header
     * @param value  value of the header
     */
    void addHeader(in string name, in string value);

    /**
     * Sets data-stream. May not be called once the stream has been started
     * to be read.
     * The cursor of the new stream should be located at the beginning of the
     * stream if the implementation of the nsIMIMEInputStream also is used as
     * an nsISeekableStream.
     * @param stream  stream containing the data for the stream
     */
    void setData(in nsIInputStream stream);
};