int32_t StringSearch::handleNext(int32_t position, UErrorCode &status)
{
// values passed here are already in the pre-shift position
if (U_SUCCESS(status)) {
if (m_strsrch_->pattern.CELength == 0) {
m_search_->matchedIndex =
m_search_->matchedIndex == USEARCH_DONE ?
getOffset() : m_search_->matchedIndex + 1;
m_search_->matchedLength = 0;
ucol_setOffset(m_strsrch_->textIter, m_search_->matchedIndex,
&status);
if (m_search_->matchedIndex == m_search_->textLength) {
m_search_->matchedIndex = USEARCH_DONE;
}
}
else {
// looking at usearch.cpp, this part is shifted out to
// StringSearch instead of SearchIterator because m_strsrch_ is
// not accessible in SearchIterator
if (position + m_strsrch_->pattern.defaultShiftSize
> m_search_->textLength) {
setMatchNotFound();
return USEARCH_DONE;
}
ucol_setOffset(m_strsrch_->textIter, position, &status);
while (TRUE) {
if (m_search_->isCanonicalMatch) {
// can't use exact here since extra accents are allowed.
usearch_handleNextCanonical(m_strsrch_, &status);
}
else {
usearch_handleNextExact(m_strsrch_, &status);
}
if (U_FAILURE(status)) {
return USEARCH_DONE;
}
if (m_breakiterator_ == NULL
#if !UCONFIG_NO_BREAK_ITERATION
||
m_search_->matchedIndex == USEARCH_DONE ||
(m_breakiterator_->isBoundary(m_search_->matchedIndex) &&
m_breakiterator_->isBoundary(m_search_->matchedIndex +
m_search_->matchedLength))
#endif
) {
if (m_search_->matchedIndex == USEARCH_DONE) {
ucol_setOffset(m_strsrch_->textIter,
m_search_->textLength, &status);
}
else {
ucol_setOffset(m_strsrch_->textIter,
m_search_->matchedIndex, &status);
}
return m_search_->matchedIndex;
}
}
}
}
return USEARCH_DONE;
}
int32_t StringSearch::handleNext(int32_t position, UErrorCode &status)
{
// values passed here are already in the pre-shift position
if (U_SUCCESS(status)) {
if (m_strsrch_->pattern.cesLength == 0) {
m_search_->matchedIndex =
m_search_->matchedIndex == USEARCH_DONE ?
getOffset() : m_search_->matchedIndex + 1;
m_search_->matchedLength = 0;
ucol_setOffset(m_strsrch_->textIter, m_search_->matchedIndex,
&status);
if (m_search_->matchedIndex == m_search_->textLength) {
m_search_->matchedIndex = USEARCH_DONE;
}
}
else {
// looking at usearch.cpp, this part is shifted out to
// StringSearch instead of SearchIterator because m_strsrch_ is
// not accessible in SearchIterator
#if 0
if (position + m_strsrch_->pattern.defaultShiftSize
> m_search_->textLength) {
setMatchNotFound();
return USEARCH_DONE;
}
#endif
if (m_search_->matchedLength <= 0) {
// the flipping direction issue has already been handled
// in next()
// for boundary check purposes. this will ensure that the
// next match will not preceed the current offset
// note search->matchedIndex will always be set to something
// in the code
m_search_->matchedIndex = position - 1;
}
ucol_setOffset(m_strsrch_->textIter, position, &status);
#if 0
for (;;) {
if (m_search_->isCanonicalMatch) {
// can't use exact here since extra accents are allowed.
usearch_handleNextCanonical(m_strsrch_, &status);
}
else {
usearch_handleNextExact(m_strsrch_, &status);
}
if (U_FAILURE(status)) {
return USEARCH_DONE;
}
if (m_breakiterator_ == NULL
#if !UCONFIG_NO_BREAK_ITERATION
||
m_search_->matchedIndex == USEARCH_DONE ||
(m_breakiterator_->isBoundary(m_search_->matchedIndex) &&
m_breakiterator_->isBoundary(m_search_->matchedIndex +
m_search_->matchedLength))
#endif
) {
if (m_search_->matchedIndex == USEARCH_DONE) {
ucol_setOffset(m_strsrch_->textIter,
m_search_->textLength, &status);
}
else {
ucol_setOffset(m_strsrch_->textIter,
m_search_->matchedIndex, &status);
}
return m_search_->matchedIndex;
}
}
#else
// if m_strsrch_->breakIter is always the same as m_breakiterator_
// then we don't need to check the match boundaries here because
// usearch_handleNextXXX will already have done it.
if (m_search_->isCanonicalMatch) {
// *could* actually use exact here 'cause no extra accents allowed...
usearch_handleNextCanonical(m_strsrch_, &status);
} else {
usearch_handleNextExact(m_strsrch_, &status);
}
if (U_FAILURE(status)) {
return USEARCH_DONE;
}
if (m_search_->matchedIndex == USEARCH_DONE) {
ucol_setOffset(m_strsrch_->textIter, m_search_->textLength, &status);
} else {
ucol_setOffset(m_strsrch_->textIter, m_search_->matchedIndex, &status);
}
return m_search_->matchedIndex;
#endif
}
}
return USEARCH_DONE;
}