xref: /aoo42x/main/sal/rtl/source/surrogates.h (revision 514f4c20)
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21 
22 
23 
24 #ifndef INCLUDED_SAL_RTL_SOURCE_SURROGATES_H
25 #define INCLUDED_SAL_RTL_SOURCE_SURROGATES_H
26 
27 #include "sal/config.h"
28 
29 #define SAL_RTL_FIRST_HIGH_SURROGATE 0xD800
30 #define SAL_RTL_LAST_HIGH_SURROGATE 0xDBFF
31 #define SAL_RTL_FIRST_LOW_SURROGATE 0xDC00
32 #define SAL_RTL_LAST_LOW_SURROGATE 0xDFFF
33 
34 #define SAL_RTL_IS_HIGH_SURROGATE(utf16) \
35     ((utf16) >= SAL_RTL_FIRST_HIGH_SURROGATE && \
36      (utf16) <= SAL_RTL_LAST_HIGH_SURROGATE)
37 
38 #define SAL_RTL_IS_LOW_SURROGATE(utf16) \
39     ((utf16) >= SAL_RTL_FIRST_LOW_SURROGATE && \
40      (utf16) <= SAL_RTL_LAST_LOW_SURROGATE)
41 
42 #define SAL_RTL_COMBINE_SURROGATES(high, low) \
43     ((((high) - SAL_RTL_FIRST_HIGH_SURROGATE) << 10) + \
44      ((low) - SAL_RTL_FIRST_LOW_SURROGATE) + 0x10000)
45 
46 #endif
47