RetroZilla/intl/uconv/src/nsUTF8ToUnicode.h
2015-10-20 23:03:22 -04:00

100 lines
3.4 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla 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/MPL/
*
* 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 the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsUTF8ToUnicode_h___
#define nsUTF8ToUnicode_h___
// Class ID for our UTF8ToUnicode charset converter
// {5534DDC0-DD96-11d2-8AAC-00600811A836}
#define NS_UTF8TOUNICODE_CID \
{ 0x5534ddc0, 0xdd96, 0x11d2, {0x8a, 0xac, 0x0, 0x60, 0x8, 0x11, 0xa8, 0x36}}
#define NS_UTF8TOUNICODE_CONTRACTID "@mozilla.org/intl/unicode/decoder;1?charset=UTF-8"
//#define NS_ERROR_UCONV_NOUTF8TOUNICODE
// NS_ERROR_GENERATE_FAILURE(NS_ERROR_MODULE_UCONV, 0x31)
//----------------------------------------------------------------------
// 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();
protected:
PRUint32 mUcs4; // cached Unicode character
PRUint8 mState; // cached expected number of bytes per UTF8 character sequence
PRUint8 mBytes;
PRPackedBool mFirst;
//--------------------------------------------------------------------
// 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___ */