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/***************************************************************
MPU-CTYPE.C
Strict UCS-2 character classification functions.
PART OF : MPUIO - library .
NOTE : Classification is deterministic and does not
depend on the process locale. Surrogate code
units U+D800..U+DFFF are never classified.
Copyright (C) 2000 - 2026 by Andrey V.Kosteltsev.
All Rights Reserved.
***************************************************************/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <libmpuio.h>
#include <mpu-symbols.h>
#include <mpu-ctype.h>
static int
__mpu_ucs2_has_property( __mpu_char16_t c, unsigned char property )
{
if( c >= 0xd800U && c <= 0xdfffU ) return( 0 );
return( (__mpu_ucs2_ctype[(unsigned)c] & property) != 0 );
}
int
mpu_ucs2_isalpha( __mpu_char16_t c )
{
return( __mpu_ucs2_has_property( c, __MPU_UCS2_ALPHA ) );
}
int
mpu_ucs2_isupper( __mpu_char16_t c )
{
return( __mpu_ucs2_has_property( c, __MPU_UCS2_UPPER ) );
}
int
mpu_ucs2_islower( __mpu_char16_t c )
{
return( __mpu_ucs2_has_property( c, __MPU_UCS2_LOWER ) );
}
int
mpu_ucs2_isdigit( __mpu_char16_t c )
{
return( __mpu_ucs2_has_property( c, __MPU_UCS2_DIGIT ) );
}
int
mpu_ucs2_is_xid_start( __mpu_char16_t c )
{
return( __mpu_ucs2_has_property( c, __MPU_UCS2_XID_START ) );
}
int
mpu_ucs2_is_xid_continue( __mpu_char16_t c )
{
return( __mpu_ucs2_has_property( c, __MPU_UCS2_XID_CONTINUE ) );
}
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