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ICU-2851 update to ucol_equals - now we analyze rules. Consider sorting reset anchors during tokenization.

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X-SVN-Rev: 11750
This commit is contained in:
Vladimir Weinstein 2003-05-01 15:31:44 +00:00
parent 8c1740d468
commit c9deed82de
1 changed files with 45 additions and 4 deletions
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49
icu4c/source/i18n/ucol.cpp
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@ -8290,14 +8290,55 @@ ucol_equals(const UCollator *source, const UCollator *target) {
result = FALSE;
} else {
UColToken *sourceReset = NULL, *targetReset = NULL;
UChar sourceResetString, targetResetString;
UChar *sourceResetString = NULL, *targetResetString = NULL;
int32_t sourceStringLen = 0, targetStringLen = 0;
for(i = 0; i < sourceListLen; i++) {
sourceReset = sourceParser.lh[i].reset;
sourceResetString = sourceParser.source[sourceReset->source];
sourceResetString = sourceParser.source+(sourceReset->source & 0xFFFFFF);
sourceStringLen = sourceReset->source >> 24;
for(j = 0; j < sourceListLen; j++) {
targetReset = targetParser.lh[j].reset;
targetResetString = targetParser.source[targetReset->source];
if(targetResetString == sourceResetString) {
targetResetString = targetParser.source+(targetReset->source & 0xFFFFFF);
targetStringLen = targetReset->source >> 24;
if(sourceStringLen == targetStringLen && (u_strncmp(sourceResetString, targetResetString, sourceStringLen) == 0)) {
sourceReset = sourceParser.lh[i].first;
targetReset = targetParser.lh[j].first;
while(sourceReset != NULL && targetReset != NULL) {
sourceResetString = sourceParser.source+(sourceReset->source & 0xFFFFFF);
sourceStringLen = sourceReset->source >> 24;
targetResetString = targetParser.source+(targetReset->source & 0xFFFFFF);
targetStringLen = targetReset->source >> 24;
if(sourceStringLen != targetStringLen || (u_strncmp(sourceResetString, targetResetString, sourceStringLen) != 0)) {
return FALSE;
}
// probably also need to check the expansions
if(sourceReset->expansion) {
if(!targetReset->expansion) {
return FALSE;
} else {
// compare expansions
sourceResetString = sourceParser.source+(sourceReset->expansion& 0xFFFFFF);
sourceStringLen = sourceReset->expansion >> 24;
targetResetString = targetParser.source+(targetReset->expansion & 0xFFFFFF);
targetStringLen = targetReset->expansion >> 24;
if(sourceStringLen != targetStringLen || (u_strncmp(sourceResetString, targetResetString, sourceStringLen) != 0)) {
return FALSE;
}
}
} else {
if(targetReset->expansion) {
return FALSE;
}
}
sourceReset = sourceReset->next;
targetReset = targetReset->next;
}
if(sourceReset != targetReset) { // at least one is not NULL
// there are more tailored elements in one list
return FALSE;
}
break;
}
}