gecko-dev/intl/uconv/ucvlatin/nsUTF8ToUnicode.h

80 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 Communicator client 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 nsUTF8ToUnicode_h___
#define nsUTF8ToUnicode_h___
#include "nsUCvLatinSupport.h"
//----------------------------------------------------------------------
// Class nsUTF8ToUnicode [declaration]
/**
* A character set converter from UTF8 to Unicode.
*
* @created 18/Mar/1998
* @modified 04/Feb/2000
* @author Catalin Rotaru [CATA]
*/
class nsUTF8ToUnicode : public nsBasicDecoderSupport
{
public:
/**
* Class constructor.
*/
nsUTF8ToUnicode();
/**
* Static class constructor.
*/
static nsresult CreateInstance(nsISupports **aResult);
protected:
PRUint32 mState; // cached expected number of bytes per UTF8 character sequence
PRUint32 mUcs4; // cached Unicode character
//--------------------------------------------------------------------
// Subclassing of nsDecoderSupport class [declaration]
NS_IMETHOD GetMaxLength(const char * aSrc, PRInt32 aSrcLength,
PRInt32 * aDestLength);
//--------------------------------------------------------------------
// Subclassing of nsBasicDecoderSupport class [declaration]
NS_IMETHOD Convert(const char * aSrc, PRInt32 * aSrcLength,
PRUnichar * aDest, PRInt32 * aDestLength);
//--------------------------------------------------------------------
// Subclassing of nsBasicDecoderSupport class [declaration]
NS_IMETHOD Reset();
};
#endif /* nsUTF8ToUnicode_h___ */