gecko-dev/xpcom/ds/nsIUnicharBuffer.h

62 lines
2.2 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* 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) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#ifndef nsIUnicharBuffer_h___
#define nsIUnicharBuffer_h___
#include "nscore.h"
#include "nsISupports.h"
class nsIUnicharInputStream;
#define NS_IUNICHARBUFFER_IID \
{ 0x14cf6970, 0x93b5, 0x11d1, \
{0x89, 0x5b, 0x00, 0x60, 0x08, 0x91, 0x1b, 0x81} }
/// Interface to a buffer that holds unicode characters
class nsIUnicharBuffer : public nsISupports {
public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_IUNICHARBUFFER_IID);
NS_IMETHOD Init(PRUint32 aBufferSize) = 0;
NS_IMETHOD_(PRInt32) GetLength() const = 0;
NS_IMETHOD_(PRInt32) GetBufferSize() const = 0;
NS_IMETHOD_(PRUnichar*) GetBuffer() const = 0;
NS_IMETHOD_(PRBool) Grow(PRInt32 aNewSize) = 0;
NS_IMETHOD_(PRInt32) Fill(nsresult* aErrorCode, nsIUnicharInputStream* aStream,
PRInt32 aKeep) = 0;
};
/// Factory method for nsIUnicharBuffer.
extern NS_COM nsresult
NS_NewUnicharBuffer(nsIUnicharBuffer** aInstancePtrResult,
nsISupports* aOuter,
PRUint32 aBufferSize = 0);
#define NS_UNICHARBUFFER_CID \
{ /* c81fd8f0-0d6b-11d3-9331-00104ba0fd40 */ \
0xc81fd8f0, \
0x0d6b, \
0x11d3, \
{0x93, 0x31, 0x00, 0x10, 0x4b, 0xa0, 0xfd, 0x40} \
}
#endif /* nsIUnicharBuffer_h___ */