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101 строка
3.6 KiB
Plaintext
101 строка
3.6 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code, released
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* March 31, 1998.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998-1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsISupports.idl"
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interface nsIInputStream;
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/**
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* nsIScriptableInputStream provides scriptable access to an nsIInputStream
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* instance.
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*/
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[scriptable, uuid(e546afd6-1248-4deb-8940-4b000b618a58)]
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interface nsIScriptableInputStream : nsISupports
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{
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/**
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* Closes the stream.
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*/
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void close();
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/**
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* Wrap the given nsIInputStream with this nsIScriptableInputStream.
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*
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* @param aInputStream parameter providing the stream to wrap
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*/
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void init(in nsIInputStream aInputStream);
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/**
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* Return the number of bytes currently available in the stream
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*
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* @return the number of bytes
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*
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* @throws NS_BASE_STREAM_CLOSED if called after the stream has been closed
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*/
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unsigned long available();
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/**
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* Read data from the stream.
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*
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* WARNING: If the data contains a null byte, then this method will return
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* a truncated string.
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*
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* @param aCount the maximum number of bytes to read
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*
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* @return the data, which will be an empty string if the stream is at EOF.
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*
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* @throws NS_BASE_STREAM_CLOSED if called after the stream has been closed
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* @throws NS_ERROR_NOT_INITIALIZED if init was not called
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*/
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string read(in unsigned long aCount);
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/**
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* Read data from the stream, including NULL bytes.
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*
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* @param aCount the maximum number of bytes to read.
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*
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* @return the data from the stream, which will be an empty string if EOF
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* has been reached.
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*
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* @throws NS_BASE_STREAM_WOULD_BLOCK if reading from the input stream
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* would block the calling thread (non-blocking mode only).
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* @throws NS_ERROR_FAILURE if there are not enough bytes available to read
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* aCount amount of data.
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*/
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ACString readBytes(in unsigned long aCount);
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};
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