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47 lines
1.6 KiB
C++
47 lines
1.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nsIUnicharBuffer_h___
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#define nsIUnicharBuffer_h___
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#include "nscore.h"
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#include "nsISupports.h"
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class nsIUnicharInputStream;
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#define NS_IUNICHAR_BUFFER_IID \
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{ 0x14cf6970, 0x93b5, 0x11d1, \
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{0x89, 0x5b, 0x00, 0x60, 0x08, 0x91, 0x1b, 0x81} }
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/// Interface to a buffer that holds unicode characters
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class nsIUnicharBuffer : public nsISupports {
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public:
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virtual PRInt32 GetLength() const = 0;
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virtual PRInt32 GetBufferSize() const = 0;
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virtual PRUnichar* GetBuffer() const = 0;
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virtual PRBool Grow(PRInt32 aNewSize) = 0;
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virtual PRInt32 Fill(nsresult* aErrorCode, nsIUnicharInputStream* aStream,
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PRInt32 aKeep) = 0;
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};
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/// Factory method for nsIUnicharBuffer.
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extern NS_BASE nsresult
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NS_NewUnicharBuffer(nsIUnicharBuffer** aInstancePtrResult,
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nsISupports* aOuter,
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PRInt32 aBufferSize = 0);
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#endif /* nsIUnicharBuffer_h___ */
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