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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** 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.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* mcmullen@netscape.com (original author)
* scc@mozilla.org
* davidm@netscape.com
* darin@netscape.com
*
* 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 ***** */
/**
* Based on original code from nsIStringStream.h
*/
#include "nsIInputStream.idl"
/**
* nsIStringInputStream
*
* Provides scriptable and specialized C++ only methods for initializing a
* nsIInputStream implementation with a simple character array.
*/
[scriptable, uuid(450cd2d4-f0fd-424d-b365-b1251f80fd53)]
interface nsIStringInputStream : nsIInputStream
{
/**
* SetData - assign data to the input stream (copied on assignment).
*
* @param data - stream data
* @param dataLen - stream data length (-1 if length should be computed)
*
* NOTE: C++ code should consider using AdoptData or ShareData to avoid
* making an extra copy of the stream data.
*/
void setData(in string data, in long dataLen);
/**
* NOTE: the following methods are designed to give C++ code added control
* over the ownership and lifetime of the stream data. Use with care :-)
*/
/**
* AdoptData - assign data to the input stream. the input stream takes
* ownership of the given data buffer and will nsMemory::Free it when
* the input stream is destroyed.
*
* @param data - stream data
* @param dataLen - stream data length (-1 if length should be computed)
*/
[noscript] void adoptData(in charPtr data, in long dataLen);
/**
* ShareData - assign data to the input stream. the input stream references
* the given data buffer until the input stream is destroyed. the given
* data buffer must outlive the input stream.
*
* @param data - stream data
* @param dataLen - stream data length (-1 if length should be computed)
*/
[noscript] void shareData(in string data, in long dataLen);
};
%{C++
//-----------------------------------------------------------------------------
// C++ factory methods
//-----------------------------------------------------------------------------
#include "nsIInputStream.h"
#include "nsString.h"
//-----------------------------------------------------------------------------
// Factory method to get an nsInputStream from an nsAString. Result will
// implement nsIStringInputStream and nsISeekableStream
extern "C" NS_COM nsresult
NS_NewStringInputStream(nsIInputStream** aStreamResult,
const nsAString& aStringToRead);
//-----------------------------------------------------------------------------
// Factory method to get an nsInputStream from an nsACString. Result will
// implement nsIStringInputStream and nsISeekableStream
extern "C" NS_COM nsresult
NS_NewCStringInputStream(nsIInputStream** aStreamResult,
const nsACString& aStringToRead);
//-----------------------------------------------------------------------------
// Factory method to get an nsInputStream from a string. Result will
// implement nsIStringInputStream and nsISeekableStream
extern "C" NS_COM nsresult
NS_NewCharInputStream(nsIInputStream** aStreamResult,
const char* aStringToRead);
//-----------------------------------------------------------------------------
// Factory method to get an nsInputStream from a byte buffer. Result will
// implement nsIStringInputStream and nsISeekableStream
extern "C" NS_COM nsresult
NS_NewByteInputStream(nsIInputStream** aStreamResult,
const char* aStringToRead,
PRInt32 aLength);
%}
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