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ICU-2412 getNextSortKeyPart implementation plus various fixes to iterative collation

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X-SVN-Rev: 10984
This commit is contained in:
Vladimir Weinstein 2003-02-06 23:29:56 +00:00
parent a9f0786bfd
commit dada4309fd
4 changed files with 570 additions and 245 deletions
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17
icu4c/source/i18n/bocsu.c
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@ -144,6 +144,23 @@ u_writeIdenticalLevelRun(const UChar *s, int32_t length, uint8_t *p) {
return (int32_t)(p-p0);
}
U_CFUNC int32_t
u_writeIdenticalLevelRunTwoChars(UChar32 first, UChar32 second, uint8_t *p) {
uint8_t *p0 = p;
if(first<0x4e00 || first>=0xa000) {
first=(first&~0x7f)-SLOPE_REACH_NEG_1;
} else {
/*
* Unihan U+4e00..U+9fa5:
* double-bytes down from the upper end
*/
first=0x9fff-SLOPE_REACH_POS_2;
}
p=u_writeDiff(second-first, p);
return (int32_t)(p-p0);
}
/* How many bytes would writeIdenticalLevelRun() write? */
U_CFUNC int32_t
u_lengthOfIdenticalLevelRun(const UChar *s, int32_t length) {

3
icu4c/source/i18n/bocsu.h
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@ -148,6 +148,9 @@
U_CFUNC int32_t
u_writeIdenticalLevelRun(const UChar *s, int32_t length, uint8_t *p);
U_CFUNC int32_t
u_writeIdenticalLevelRunTwoChars(UChar32 first, UChar32 second, uint8_t *p);
U_CFUNC int32_t
u_lengthOfIdenticalLevelRun(const UChar *s, int32_t length);

794
icu4c/source/i18n/ucol.cpp
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File diff suppressed because it is too large Load Diff

1
icu4c/source/i18n/ucol_imp.h
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@ -177,6 +177,7 @@ struct collIterateState {
uint8_t flags;
uint8_t origFlags;
uint32_t iteratorIndex;
int32_t iteratorMove;
};
U_CAPI void U_EXPORT2