gecko/intl/uconv/ucvlatin/nsUnicodeToUCS2BE.h

93 lines
3.3 KiB
C
Raw Normal View History

/* -*- 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 nsUnicodeToUCS2BE_h___
#define nsUnicodeToUCS2BE_h___
#include "nsUCSupport.h"
class nsUnicodeToUTF16BE: public nsBasicEncoder
{
public:
nsUnicodeToUTF16BE() { mBOM = 0;}
//--------------------------------------------------------------------
// Interface nsIUnicodeEncoder [declaration]
NS_IMETHOD Convert(const PRUnichar * aSrc, PRInt32 * aSrcLength,
char * aDest, PRInt32 * aDestLength);
NS_IMETHOD GetMaxLength(const PRUnichar * aSrc, PRInt32 aSrcLength,
PRInt32 * aDestLength);
NS_IMETHOD Finish(char * aDest, PRInt32 * aDestLength);
NS_IMETHOD Reset();
NS_IMETHOD SetOutputErrorBehavior(PRInt32 aBehavior,
nsIUnicharEncoder * aEncoder, PRUnichar aChar);
//--------------------------------------------------------------------
// Interface nsICharRepresentable [declaration]
NS_IMETHOD FillInfo(PRUint32 *aInfo);
protected:
PRUnichar mBOM;
NS_IMETHOD CopyData(char* aDest, const PRUnichar* aSrc, PRInt32 aLen );
};
class nsUnicodeToUTF16LE: public nsUnicodeToUTF16BE
{
public:
nsUnicodeToUTF16LE() { mBOM = 0;}
protected:
NS_IMETHOD CopyData(char* aDest, const PRUnichar* aSrc, PRInt32 aLen );
};
// XXX In theory, we have to check the endianness at run-time because some
// modern RISC processors can be run at both LE and BE.
#ifdef IS_LITTLE_ENDIAN
class nsUnicodeToUTF16: public nsUnicodeToUTF16LE
#elif defined(IS_BIG_ENDIAN)
class nsUnicodeToUTF16: public nsUnicodeToUTF16BE
#else
#error "Unknown endianness"
#endif
{
public:
nsUnicodeToUTF16() { mBOM = 0xFEFF;}
};
#endif /* nsUnicodeToUCS2BE_h___ */