示例#1
0
int MappedSegment::boundComp(const SegmentIteratorPtr &s1, const SegmentIteratorPtr &s2) {
    int res = 0;
    bool flip = s2->getReversed();
    if (flip) {
        s2->toReverse();
    }

    if (s1->isTop() && !s2->isTop()) {
        BottomSegmentIteratorPtr bot = std::dynamic_pointer_cast<BottomSegmentIterator>(s2);
        hal_index_t lb = bot->bseg()->getTopParseIndex();
        hal_index_t ub = lb;
        if ((hal_size_t)bot->getArrayIndex() < bot->getGenome()->getNumBottomSegments() - 1) {
            bot = bot->clone();
            bot->slice(0, 0);
            bot->toRight();
            ub = bot->bseg()->getTopParseIndex();
        }
        if (s1->getArrayIndex() < lb) {
            res = -1;
        } else if (s1->getArrayIndex() > ub) {
            res = 1;
        }
    } else if (!s1->isTop() && s2->isTop()) {
        TopSegmentIteratorPtr top = std::dynamic_pointer_cast<TopSegmentIterator>(s2);
        hal_index_t lb = top->tseg()->getBottomParseIndex();
        hal_index_t ub = lb;
        if ((hal_size_t)top->getArrayIndex() < top->getGenome()->getNumTopSegments() - 1) {
            top = top->clone();
            top->slice(0, 0);
            top->toRight();
            ub = top->tseg()->getBottomParseIndex();
        }
        if (s1->getArrayIndex() < lb) {
            res = -1;
        } else if (s1->getArrayIndex() > ub) {
            res = 1;
        }
    }

    if (flip) {
        s2->toReverse();
    }

    return res;
}