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#include "phrase_location.h"
namespace extractor {
PhraseLocation::PhraseLocation(int sa_low, int sa_high) :
sa_low(sa_low), sa_high(sa_high), num_subpatterns(0) {}
PhraseLocation::PhraseLocation(const vector<int>& matchings,
int num_subpatterns) :
sa_low(0), sa_high(0),
matchings(make_shared<vector<int>>(matchings)),
num_subpatterns(num_subpatterns) {}
bool PhraseLocation::IsEmpty() const {
return GetSize() == 0;
}
int PhraseLocation::GetSize() const {
if (num_subpatterns > 0) {
return matchings->size();
} else {
return sa_high - sa_low;
}
}
bool operator==(const PhraseLocation& a, const PhraseLocation& b) {
if (a.sa_low != b.sa_low || a.sa_high != b.sa_high ||
a.num_subpatterns != b.num_subpatterns) {
return false;
}
if (a.matchings == NULL && b.matchings == NULL) {
return true;
}
if (a.matchings == NULL || b.matchings == NULL) {
return false;
}
return *a.matchings == *b.matchings;
}
} // namespace extractor
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