зеркало из https://github.com/mozilla/gecko-dev.git
84 строки
3.2 KiB
C++
84 строки
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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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 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsIUnicharInputStream_h___
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#define nsIUnicharInputStream_h___
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#include "nsIInputStream.h"
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#include "nscore.h"
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class nsString;
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#define NS_IUNICHAR_INPUT_STREAM_IID \
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{ 0x2d97fbf0, 0x93b5, 0x11d1, \
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{0x89, 0x5b, 0x00, 0x60, 0x08, 0x91, 0x1b, 0x81} }
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/** Abstract unicode character input stream
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* @see nsIInputStream
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*/
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class nsIUnicharInputStream : public nsISupports {
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public:
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NS_DEFINE_STATIC_IID_ACCESSOR(NS_IUNICHAR_INPUT_STREAM_IID)
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NS_IMETHOD Read(PRUnichar* aBuf,
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PRUint32 aOffset,
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PRUint32 aCount,
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PRUint32 *aReadCount) = 0;
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NS_IMETHOD Close() = 0;
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};
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/**
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* Create a nsIUnicharInputStream that wraps up a string. Data is fed
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* from the string out until the done. When this object is destroyed
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* it destroyes the string (so make a copy if you don't want it doing
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* that)
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*/
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extern NS_COM nsresult
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NS_NewStringUnicharInputStream(nsIUnicharInputStream** aInstancePtrResult,
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nsString* aString);
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/** Create a new nsUnicharInputStream that provides a converter for the
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* byte input stream aStreamToWrap. If no converter can be found then
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* nsnull is returned and the error code is set to
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* NS_INPUTSTREAM_NO_CONVERTER.
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*/
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extern NS_COM nsresult
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NS_NewUTF8ConverterStream(nsIUnicharInputStream** aInstancePtrResult,
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nsIInputStream* aStreamToWrap,
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PRInt32 aBufferSize = 0);
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#endif /* nsUnicharInputStream_h___ */
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