PairMatch *BaseEditor::searchGlobalPair(int lineNo, int pos)
{
int lno;
int end_line = lineCount;
PairMatch *pm = getPairMatch(lineNo, pos);
if (pm == null){
return null;
}
lno = pm->sline;
LineRegion *pair = pm->getStartRef();
LineRegion *slr = getLineRegions(lno);
while(true){
if (pm->pairBalance > 0){
pair = pair->next;
while(pair == null){
lno++;
if (lno > end_line) break;
pair = getLineRegions(lno);
}
if (lno > end_line) break;
}else{
if(pair->prev == slr->prev){ // first region
lno--;
if (lno < 0) break;
slr = getLineRegions(lno);
pair = slr;
}
if (lno < 0) break;
pair = pair->prev;
}
if (pair->region->hasParent(def_PairStart)){
pm->pairBalance++;
}
if (pair->region->hasParent(def_PairEnd)){
pm->pairBalance--;
}
if (pm->pairBalance == 0){
break;
}
}
if (pm->pairBalance == 0){
pm->eline = lno;
pm->setEnd(pair);
}
return pm;
}
void LineRegionsSupport::addLineRegion(int lno, LineRegion *lr){
LineRegion *lstart = getLineRegions(lno);
lr->next = null;
lr->prev = lr;
if (lstart == null)
lineRegions.setElementAt(lr, lno-firstLineNo);
else{
lr->prev = lstart->prev;
lr->prev->next = lr;
lstart->prev = lr;
};
};
void LineRegionsSupport::clearLine(int lno, String *line){
// ignoring out of cached interval lines
if (lno < firstLineNo || lno >= firstLineNo+lineCount) return;
LineRegion *ln = getLineRegions(lno);
while(ln != null){
LineRegion *lnn = ln->next;
delete ln;
ln = lnn;
};
LineRegion *lfirst = new LineRegion(*schemeStack.lastElement());
lfirst->start = 0;
lfirst->end = -1;
lfirst->next = null;
lfirst->prev = lfirst;
lineRegions.setElementAt(lfirst, lno-firstLineNo);
flowBackground = lfirst;
};
PairMatch *BaseEditor::getPairMatch(int lineNo, int linePos)
{
LineRegion *lrStart = getLineRegions(lineNo);
if (lrStart == null){
return null;
}
LineRegion *pair = null;
for(LineRegion *l1 = lrStart; l1; l1 = l1->next){
if ((l1->region->hasParent(def_PairStart) ||
l1->region->hasParent(def_PairEnd)) &&
linePos >= l1->start && linePos <= l1->end)
pair = l1;
}
if (pair != null){
PairMatch *pm = new PairMatch(pair, lineNo, pair->region->hasParent(def_PairStart));
pm->setStart(pair);
return pm;
}
return null;
}