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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):
- *
- * 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 ***** */
-
- #ifndef nsIByteBuffer_h___
- #define nsIByteBuffer_h___
-
- #include "nscore.h"
- #include "nsISupports.h"
-
- class nsIInputStream;
-
- #define NS_IBYTE_BUFFER_IID \
- { 0xe4a6e4b0, 0x93b4, 0x11d1, \
- {0x89, 0x5b, 0x00, 0x60, 0x08, 0x91, 0x1b, 0x81} }
- #define NS_IBYTEBUFFER_IID \
- { 0xe4a6e4b0, 0x93b4, 0x11d1, \
- {0x89, 0x5b, 0x00, 0x60, 0x08, 0x91, 0x1b, 0x81} }
- #define NS_BYTEBUFFER_CONTRACTID "@mozilla.org/byte-buffer;1"
- #define NS_BYTEBUFFER_CLASSNAME "Byte Buffer"
-
- /** Interface to a buffer that holds bytes */
- class nsIByteBuffer : public nsISupports {
- public:
- NS_DEFINE_STATIC_IID_ACCESSOR(NS_IBYTEBUFFER_IID)
-
- NS_IMETHOD Init(PRUint32 aBufferSize) = 0;
-
- /** @return length of buffer, i.e. how many bytes are currently in it. */
- NS_IMETHOD_(PRUint32) GetLength(void) const = 0;
-
- /** @return number of bytes allocated in the buffer */
- NS_IMETHOD_(PRUint32) GetBufferSize(void) const = 0;
-
- /** @return the buffer */
- NS_IMETHOD_(char*) GetBuffer(void) const = 0;
-
- /** Grow buffer to aNewSize bytes. */
- NS_IMETHOD_(PRBool) Grow(PRUint32 aNewSize) = 0;
-
- /** Fill the buffer with data from aStream. Don't grow the buffer, only
- * read until length of buffer equals buffer size. */
- NS_IMETHOD_(PRInt32) Fill(nsresult* aErrorCode, nsIInputStream* aStream,
- PRUint32 aKeep) = 0;
- };
-
- #define NS_BYTEBUFFER_CID \
- { /* a49d5280-0d6b-11d3-9331-00104ba0fd40 */ \
- 0xa49d5280, \
- 0x0d6b, \
- 0x11d3, \
- {0x93, 0x31, 0x00, 0x10, 0x4b, 0xa0, 0xfd, 0x40} \
- }
-
- /** Create a new byte buffer using the given buffer size. */
- extern NS_COM nsresult
- NS_NewByteBuffer(nsIByteBuffer** aInstancePtrResult,
- nsISupports* aOuter,
- PRUint32 aBufferSize = 0);
-
- #endif /* nsIByteBuffer_h___ */
-
-