示例#1
0
int
tree_noopenQl(TreeHist* treeh)
{
    InputTree* tree = treeh->tree;
    int pos = treeh->pos;
    int hpos = treeh->hpos;
    InputTree  *subTree;
    InputTrees::reverse_iterator  subTreeIter = tree->subTrees().rbegin();
    int i = tree->subTrees().size()-1;
    bool sawOpen = false;
    bool sawClosed = false;

    for( ; ; subTreeIter++ )
    {
        if(i == pos) break;
        if(i > hpos) {
            i-- ;
            continue;
        }
        assert(i >= 0);
        subTree = *subTreeIter;
        const Term* trm = Term::get(subTree->term());

        if(trm->isClosed() && !sawOpen) sawOpen = true;
        else if(trm->isOpen() && sawOpen) sawOpen = false;

        i--;
    }
    if(sawOpen) return 0;
    else return 1;
}
示例#2
0
int
tree_ngram(TreeHist* treeh, int n, int l)
{
    static int stopTermInt = -1;
    if(stopTermInt < 0)
    {
        ECString stopStr("STOP");
        const Term* stopTerm = Term::get(stopStr);
        stopTermInt = stopTerm->toInt();
    }

    int pos = treeh->pos;
    int hp = treeh->hpos;
    int m = pos + (n * l);
    if(m < 0) return stopTermInt;
    InputTree* tree = treeh->tree;
    if(m >= tree->subTrees().size()) return stopTermInt;
    if(m > hp && l > 0) return stopTermInt;
    InputTree  *subTree;
    InputTreesIter  subTreeIter = tree->subTrees().begin();
    int i = 0;
    for( ; subTreeIter != tree->subTrees().end() ; subTreeIter++ )
    {
        if(i == m)
        {
            subTree = *subTreeIter;
            const Term* trm = Term::get(subTree->term());
            return trm->toInt();
        }
        i++;
    }
    assert("should never get here");
    return -1;
}
示例#3
0
int
tree_term_after(TreeHist* treeh)
{
    static int stopint = 0;
    if(!stopint)
    {
        ECString stopnm("STOP");
        stopint = Term::get(stopnm)->toInt();
    }
    InputTree* tree = treeh->tree;
    InputTree* par = tree->parent();
    if(!par) return stopint;
    InputTreesIter iti = par->subTrees().begin();
    for( ; iti != par->subTrees().end() ; iti++ )
    {
        InputTree* st = *iti;
        if(st != tree) continue;
        iti++;
        if(iti == par->subTrees().end()) return stopint;
        st = *iti;
        const ECString& trmStr  = st->term();
        const Term* trm = Term::get(trmStr);
        assert(trm);
        return trm->toInt();
    }
    error("Should never get here");
    return -1;
}
示例#4
0
int
tree_B(TreeHist* treeh, int blInd)
{
    InputTree* tree = treeh->tree;
    int i;
    int pos = treeh->pos;
    int hpos = treeh->hpos;
    //cerr << "tb1 " << pos << " " << hpos << " " << *tree << endl;
    int sz = tree->subTrees().size();
    int wpos;
    assert(pos <= sz);
    //cerr << "tb " << pos << " " << hpos << " " << sz << endl;
    if(pos < 0) wpos = tree->start()-1;
    else if(sz == 0) wpos = tree->start()-1;
    else if(pos == sz) wpos = tree->finish();
    else
    {
        InputTreesIter iti = tree->subTrees().begin();
        i = 0;
        for( ; iti != tree->subTrees().end() ; iti++)
        {
            if(i < pos) {
                i++;
                continue;
            }
            InputTree* st = *iti;
            if(pos < hpos) wpos = st->start()-1;
            else if(pos > hpos) wpos = st->finish();
            else if(blInd) wpos = st->start()-1;
            else wpos = st->finish();
            //cerr << "tbf " << *st << " " << wpos << endl;
            break;
        }
    }
    //cerr << "tb2 " << wpos << endl;
    assert(wpos <= endPos);
    if(wpos < 0 || wpos == endPos) return Term::stopTerm->toInt();
    else return Term::get(sentence[wpos]->term())->toInt();
}
示例#5
0
int
tree_noopenQr(TreeHist* treeh)
{
    InputTree* tree = treeh->tree;
    int pos = treeh->pos;
    int sz = tree->subTrees().size();
    InputTree  *subTree;
    InputTreesIter  subTreeIter = tree->subTrees().begin();
    int i = 0;
    bool sawOpen = false;

    for( ; ; subTreeIter++ )
    {
        if(i == pos) break;
        subTree = *subTreeIter;
        assert(i < sz);
        const Term* trm = Term::get(subTree->term());
        if(trm->isOpen() && !sawOpen) sawOpen=true;
        if(trm->isClosed() && sawOpen ) sawOpen = false;
        i++;
    }
    if(sawOpen) return 0;
    else return 1;
}
示例#6
0
InputTree*
tree_find(TreeHist* treeh, int n)
{
    int pos = treeh->pos;
    int hp = treeh->hpos;
    int m = pos + n;
    assert(m >= 0);
    InputTree* tree = treeh->tree;
    assert(!(m >= tree->subTrees().size()));
    InputTree  *subTree;
    InputTreesIter  subTreeIter = tree->subTrees().begin();
    int i = 0;
    for( ; subTreeIter != tree->subTrees().end() ; subTreeIter++ )
    {
        if(i == m)
        {
            subTree = *subTreeIter;
            return subTree;
        }
        i++;
    }
    assert("should never get here");
    return NULL;
}
示例#7
0
InputTree*
tree_2rel_tree(TreeHist* treeh)
{
    //cerr << "t1r " << *treeh->tree << endl;
    int pos = treeh->pos;
    int hpos = treeh->hpos;
    if(pos == hpos || pos < hpos-1 || pos > hpos+1) return NULL;
    //cerr << "t2r " << *treeh->tree << endl;
    InputTree* sib;
    if(pos < hpos)
    {
        sib = tree_find(treeh, +1);
        int sibhp = headPosFromTree(sib);
        InputTree* sibch;
        if(sibhp > 0)
        {
            sibch = sib->subTrees().front();
        }
        else if(sib->subTrees().size() < 2) return NULL;
        else
        {
            InputTreesIter iti = sib->subTrees().begin();
            iti++;
            sibch = *iti;
        }
        return sibch;
    }
    else
    {
        sib = tree_find(treeh, -1);
        int sibhp = headPosFromTree(sib);
        InputTree* sibch;
        if(sibhp < sib->subTrees().size()-1)
        {
            sibch = sib->subTrees().back();
        }
        else if(sib->subTrees().size() < 2) return NULL;
        else
        {
            InputTrees::reverse_iterator iti = sib->subTrees().rbegin();
            iti++;
            sibch = *iti;
        }
        return sibch;
    }
}