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84 lines
2.9 KiB
C++
84 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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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 nsIBuffer_h___
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#define nsIBuffer_h___
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#include "nsISupports.h"
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#include "nscore.h"
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class nsIInputStream;
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class nsIAllocator;
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class nsIInputStream;
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class nsIOutputStream;
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#define NS_IBUFFER_IID \
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{ /* 1eebb300-fb8b-11d2-9324-00104ba0fd40 */ \
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0x1eebb300, \
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0xfb8b, \
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0x11d2, \
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{0x93, 0x24, 0x00, 0x10, 0x4b, 0xa0, 0xfd, 0x40} \
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}
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#define NS_BUFFER_CID \
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{ /* 5dbe4de0-fbab-11d2-9324-00104ba0fd40 */ \
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0x5dbe4de0, \
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0xfbab, \
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0x11d2, \
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{0x93, 0x24, 0x00, 0x10, 0x4b, 0xa0, 0xfd, 0x40} \
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}
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class nsIBuffer : public nsISupports {
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_IBUFFER_IID);
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NS_IMETHOD Init(PRUint32 growBySize, PRUint32 maxSize,
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nsIAllocator* allocator) = 0;
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NS_IMETHOD Read(char* toBuf, PRUint32 bufLen, PRUint32 *readCount) = 0;
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NS_IMETHOD GetReadBuffer(PRUint32 *readBufferLength, char* *result) = 0;
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NS_IMETHOD Write(const char* fromBuf, PRUint32 bufLen, PRUint32 *writeCount) = 0;
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NS_IMETHOD Write(nsIInputStream* fromStream, PRUint32 *writeCount) = 0;
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NS_IMETHOD GetWriteBuffer(PRUint32 *writeBufferLength, char* *result) = 0;
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NS_IMETHOD SetEOF() = 0;
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};
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extern NS_BASE nsresult
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NS_NewBuffer(nsIBuffer* *result,
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PRUint32 growBySize, PRUint32 maxSize);
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extern NS_BASE nsresult
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NS_NewPageBuffer(nsIBuffer* *result,
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PRUint32 growBySize, PRUint32 maxSize);
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extern NS_BASE nsresult
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NS_NewBufferInputStream(nsIInputStream* *result,
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nsIBuffer* buffer, PRBool blocking = PR_FALSE);
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extern NS_BASE nsresult
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NS_NewBufferOutputStream(nsIOutputStream* *result,
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nsIBuffer* buffer, PRBool blocking = PR_FALSE);
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extern NS_BASE nsresult
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NS_NewPipe2(nsIInputStream* *inStrResult,
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nsIOutputStream* *outStrResult,
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PRUint32 growBySize, PRUint32 maxSize);
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#endif // nsIBuffer_h___
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