xref: /aoo41x/main/sal/rtl/source/surrogates.h (revision cdf0e10c)
1 /*************************************************************************
2  *
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * Copyright 2000, 2010 Oracle and/or its affiliates.
6  *
7  * OpenOffice.org - a multi-platform office productivity suite
8  *
9  * This file is part of OpenOffice.org.
10  *
11  * OpenOffice.org is free software: you can redistribute it and/or modify
12  * it under the terms of the GNU Lesser General Public License version 3
13  * only, as published by the Free Software Foundation.
14  *
15  * OpenOffice.org is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU Lesser General Public License version 3 for more details
19  * (a copy is included in the LICENSE file that accompanied this code).
20  *
21  * You should have received a copy of the GNU Lesser General Public License
22  * version 3 along with OpenOffice.org.  If not, see
23  * <http://www.openoffice.org/license.html>
24  * for a copy of the LGPLv3 License.
25  *
26  ************************************************************************/
27 
28 #ifndef INCLUDED_SAL_RTL_SOURCE_SURROGATES_H
29 #define INCLUDED_SAL_RTL_SOURCE_SURROGATES_H
30 
31 #include "sal/config.h"
32 
33 #define SAL_RTL_FIRST_HIGH_SURROGATE 0xD800
34 #define SAL_RTL_LAST_HIGH_SURROGATE 0xDBFF
35 #define SAL_RTL_FIRST_LOW_SURROGATE 0xDC00
36 #define SAL_RTL_LAST_LOW_SURROGATE 0xDFFF
37 
38 #define SAL_RTL_IS_HIGH_SURROGATE(utf16) \
39     ((utf16) >= SAL_RTL_FIRST_HIGH_SURROGATE && \
40      (utf16) <= SAL_RTL_LAST_HIGH_SURROGATE)
41 
42 #define SAL_RTL_IS_LOW_SURROGATE(utf16) \
43     ((utf16) >= SAL_RTL_FIRST_LOW_SURROGATE && \
44      (utf16) <= SAL_RTL_LAST_LOW_SURROGATE)
45 
46 #define SAL_RTL_COMBINE_SURROGATES(high, low) \
47     ((((high) - SAL_RTL_FIRST_HIGH_SURROGATE) << 10) + \
48      ((low) - SAL_RTL_FIRST_LOW_SURROGATE) + 0x10000)
49 
50 #endif
51