void MafExport::convertSegmentedSequence(ostream& mafStream,
AlignmentConstPtr alignment,
const SegmentedSequence* seq,
hal_index_t startPosition,
hal_size_t length,
const set<const Genome*>& targets)
{
assert(seq != NULL);
if (startPosition >= (hal_index_t)seq->getSequenceLength() ||
(hal_size_t)startPosition + length > seq->getSequenceLength())
{
throw hal_exception("Invalid range specified for convertGenome");
}
if (length == 0)
{
length = seq->getSequenceLength() - startPosition;
}
if (length == 0)
{
throw hal_exception("Cannot convert zero length sequence");
}
hal_index_t lastPosition = startPosition + (hal_index_t)(length - 1);
_mafStream = &mafStream;
_alignment = alignment;
if (!_append)
{
writeHeader();
}
ColumnIteratorConstPtr colIt = seq->getColumnIterator(&targets,
_maxRefGap,
startPosition,
lastPosition,
_noDupes,
_noAncestors);
hal_size_t appendCount = 0;
if (_unique == false || colIt->isCanonicalOnRef() == true)
{
_mafBlock.initBlock(colIt, _ucscNames, _printTree);
assert(_mafBlock.canAppendColumn(colIt) == true);
_mafBlock.appendColumn(colIt);
++appendCount;
}
size_t numBlocks = 0;
while (colIt->lastColumn() == false)
{
colIt->toRight();
if (_unique == false || colIt->isCanonicalOnRef() == true)
{
if (appendCount == 0)
{
_mafBlock.initBlock(colIt, _ucscNames, _printTree);
assert(_mafBlock.canAppendColumn(colIt) == true);
}
if (_mafBlock.canAppendColumn(colIt) == false)
{
// erase empty entries from the column. helps when there are
// millions of sequences (ie from fastas with lots of scaffolds)
if (numBlocks++ % 1000 == 0)
{
colIt->defragment();
}
if (appendCount > 0)
{
mafStream << _mafBlock << '\n';
}
_mafBlock.initBlock(colIt, _ucscNames, _printTree);
assert(_mafBlock.canAppendColumn(colIt) == true);
}
_mafBlock.appendColumn(colIt);
++appendCount;
}
}
// if nothing was ever added (seems to happen in corner case where
// all columns violate unique), mafBlock ostream operator will crash
// so we do following check
if (appendCount > 0)
{
mafStream << _mafBlock << endl;
}
}
void MafExport::convertEntireAlignment(ostream& mafStream,
AlignmentConstPtr alignment)
{
hal_size_t appendCount = 0;
size_t numBlocks = 0;
_mafStream = &mafStream;
_alignment = alignment;
writeHeader();
// Load in all leaves from alignment
vector<string> leafNames = alignment->getLeafNamesBelow(alignment->getRootName());
vector<const Genome *> leafGenomes;
for (hal_size_t i = 0; i < leafNames.size(); i++) {
const Genome *genome = alignment->openGenome(leafNames[i]);
assert(genome != NULL);
leafGenomes.push_back(genome);
}
ColumnIterator::VisitCache visitCache;
// Go through all the genomes one by one, and spit out any columns
// they participate in that we haven't seen.
for (hal_size_t i = 0; i < leafGenomes.size(); i++) {
const Genome *genome = leafGenomes[i];
ColumnIteratorConstPtr colIt = genome->getColumnIterator(NULL,
0,
0,
NULL_INDEX,
_noDupes,
_noAncestors);
colIt->setVisitCache(&visitCache);
for (;;) {
if (appendCount == 0) {
_mafBlock.initBlock(colIt, _ucscNames, _printTree);
assert(_mafBlock.canAppendColumn(colIt) == true);
}
if (_mafBlock.canAppendColumn(colIt) == false)
{
// erase empty entries from the column. helps when there are
// millions of sequences (ie from fastas with lots of scaffolds)
if (numBlocks++ % 1000 == 0)
{
colIt->defragment();
}
if (appendCount > 0)
{
mafStream << _mafBlock << '\n';
}
_mafBlock.initBlock(colIt, _ucscNames, _printTree);
assert(_mafBlock.canAppendColumn(colIt) == true);
}
_mafBlock.appendColumn(colIt);
appendCount++;
if (colIt->lastColumn()) {
// Have to break here because otherwise
// colIt->toRight() will crash.
break;
}
colIt->toRight();
}
// Copy over the updated visit cache information. This is a
// deep copy, so it's slow, but necessary to preserve the
// column iterator ownership of the visit cache
visitCache.clear();
ColumnIterator::VisitCache *newVisitCache = colIt->getVisitCache();
for(ColumnIterator::VisitCache::iterator it = newVisitCache->begin();
it != newVisitCache->end(); it++) {
visitCache[it->first] = new PositionCache(*it->second);
}
}
// if nothing was ever added (seems to happen in corner case where
// all columns violate unique), mafBlock ostream operator will crash
// so we do following check
if (appendCount > 0)
{
mafStream << _mafBlock << endl;
}
}
