int
Bchart::
headPosFromItems(Item* lhs, Items& rhs)
{
int ansPriority = 9999;
ECString lhsString(lhs->term()->name());
if(lhsString == "") lhsString = "S1";
int pos = -1;
int ans = -1;
Items::iterator ii = rhs.begin();
Item *subi;
for( ; ii != rhs.end() ; ii++ )
{
subi = (*ii);
pos++;
const Term* trm = subi->term();
int nextPriority = 12;
if(trm)
{
ECString rhsString(subi->term()->name());
if(subi->term() == Term::stopTerm) continue;
nextPriority = headPriority(lhsString, rhsString, ansPriority);
}
if(nextPriority <= ansPriority)
{
ans = pos;
ansPriority = nextPriority;
}
}
return ans;
}
int
headPosFromTree(InputTree* tree)
{
int ansPriority = 10;
ECString lhsString(tree->term());
if(lhsString == "") lhsString = "S1";
int pos = -1;
int ans = -1;
ConstInputTreesIter subTreeIter = tree->subTrees().begin();
InputTree *subTree;
for( ; subTreeIter != tree->subTrees().end() ; subTreeIter++ )
{
subTree = *subTreeIter;
pos++;
ECString rhsString(subTree->term());
int nextPriority = headPriority(lhsString, rhsString, ansPriority);
if(nextPriority <= ansPriority)
{
ans = pos;
ansPriority = nextPriority;
}
}
return ans;
}
