sal/rtl/source/surrogates.h

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  30
  31 #ifndef INCLUDED_SAL_RTL_SOURCE_SURROGATES_H
  32 #define INCLUDED_SAL_RTL_SOURCE_SURROGATES_H
  33
  34 #include "sal/config.h"
  35
  36 #define SAL_RTL_FIRST_HIGH_SURROGATE 0xD800
  37 #define SAL_RTL_LAST_HIGH_SURROGATE 0xDBFF
  38 #define SAL_RTL_FIRST_LOW_SURROGATE 0xDC00
  39 #define SAL_RTL_LAST_LOW_SURROGATE 0xDFFF
  40
  41 #define SAL_RTL_IS_HIGH_SURROGATE(utf16) \
  42     ((utf16) >= SAL_RTL_FIRST_HIGH_SURROGATE && \
  43      (utf16) <= SAL_RTL_LAST_HIGH_SURROGATE)
  44
  45 #define SAL_RTL_IS_LOW_SURROGATE(utf16) \
  46     ((utf16) >= SAL_RTL_FIRST_LOW_SURROGATE && \
  47      (utf16) <= SAL_RTL_LAST_LOW_SURROGATE)
  48
  49 #define SAL_RTL_COMBINE_SURROGATES(high, low) \
  50     ((((high) - SAL_RTL_FIRST_HIGH_SURROGATE) << 10) + \
  51      ((low) - SAL_RTL_FIRST_LOW_SURROGATE) + 0x10000)
  52
  53 #endif