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Not currently used, but updating to UCData-2.5 anyway

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This commit is contained in:
Stig Venaas 2001-01-15 11:42:09 +00:00
parent a92da36ed8
commit aa93a92313
1 changed files with 24 additions and 14 deletions
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38
libraries/liblunicode/ucdata/ucpgba.c
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@ -1,5 +1,5 @@
/*
* Copyright 1999 Computing Research Labs, New Mexico State University
* Copyright 2001 Computing Research Labs, New Mexico State University
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@ -21,9 +21,9 @@
*/
#ifndef lint
#ifdef __GNUC__
static char rcsid[] __attribute__ ((unused)) = "$Id: ucpgba.c,v 1.4 1999/11/29 16:41:06 mleisher Exp $";
static char rcsid[] __attribute__ ((unused)) = "$Id: ucpgba.c,v 1.5 2001/01/02 18:46:20 mleisher Exp $";
#else
static char rcsid[] = "$Id: ucpgba.c,v 1.4 1999/11/29 16:41:06 mleisher Exp $";
static char rcsid[] = "$Id: ucpgba.c,v 1.5 2001/01/02 18:46:20 mleisher Exp $";
#endif
#endif
@ -61,7 +61,7 @@ static char rcsid[] = "$Id: ucpgba.c,v 1.4 1999/11/29 16:41:06 mleisher Exp $";
* ISWEAK_NEUTRAL - Test for weak or neutral characters.
*/
#define ISLTR_LTR(cc) ucisprop(cc, UC_L|UC_MN|UC_EN|UC_ES,\
UC_ET|UC_AN|UC_CS|UC_B|UC_S|UC_WS|UC_ON)
UC_ET|UC_CS|UC_B|UC_S|UC_WS|UC_ON)
#define ISRTL_RTL(cc) ucisprop(cc, UC_R|UC_MN|UC_EN|UC_ES,\
UC_ET|UC_AN|UC_CS|UC_B|UC_S|UC_WS|UC_ON)
@ -211,8 +211,9 @@ _ucadd_rtl_segment(ucstring_t *str, unsigned long *source, unsigned long start,
}
/*
* Now handle the weak sequences such that multiple non-digit groups
* are kept together appropriately and added as RTL sequences.
* Handle digits in a special way. This makes sure the weakly
* directional characters appear on the expected sides of a number
* depending on whether that number is Arabic or not.
*/
for (s = e; e < end && ISWEAKSPECIAL(source[e]); e++) {
if (!ISDIGITSPECIAL(source[e]) &&
@ -312,7 +313,7 @@ ucstring_create(unsigned long *source, unsigned long start, unsigned long end,
int default_direction, int cursor_motion)
{
int rtl_first;
unsigned long s, e;
unsigned long s, e, ld;
ucstring_t *str;
str = (ucstring_t *) malloc(sizeof(ucstring_t));
@ -369,10 +370,15 @@ ucstring_create(unsigned long *source, unsigned long start, unsigned long end,
* Determine the next run of LTR text.
*/
while (e < end && ISLTR_LTR(source[e]))
e++;
ld = s;
while (e < end && ISLTR_LTR(source[e])) {
if (ucisdigit(source[e]) &&
!(0x660 <= source[e] && source[e] <= 0x669))
ld = e;
e++;
}
if (str->direction != UCPGBA_LTR) {
while (e > s && ISWEAK_NEUTRAL(source[e - 1]))
while (e > ld && ISWEAK_NEUTRAL(source[e - 1]))
e--;
}
@ -386,11 +392,15 @@ ucstring_create(unsigned long *source, unsigned long start, unsigned long end,
/*
* Determine the next run of RTL text.
*/
s = e;
while (e < end && ISRTL_RTL(source[e]))
e++;
ld = s = e;
while (e < end && ISRTL_RTL(source[e])) {
if (ucisdigit(source[e]) &&
!(0x660 <= source[e] && source[e] <= 0x669))
ld = e;
e++;
}
if (str->direction != UCPGBA_RTL) {
while (e > s && ISWEAK_NEUTRAL(source[e - 1]))
while (e > ld && ISWEAK_NEUTRAL(source[e - 1]))
e--;
}