INLINE boolean findColumn(struct asColumn *columns, char *name, int *retIx, char **retName)
/* Scan columns for name.
* If found, set retIx to column index, set retName to clone of name, and return TRUE.
* If not found, set retIx to -1, set retName to NULL, and return FALSE; */
{
int ix = asColumnFindIx(columns, name);
if (retIx != NULL)
*retIx = ix;
if (retName != NULL)
{
if (ix >= 0)
*retName = cloneString(name);
else
*retName = NULL;
}
return (ix >= 0);
}
struct annoRow *annoGratorGpVarIntegrate(struct annoGrator *gSelf,
struct annoStreamRows *primaryData,
boolean *retRJFilterFailed, struct lm *callerLm)
// integrate a variant and a genePred, generate as many rows as
// needed to capture all the changes
{
struct annoGratorGpVar *self = (struct annoGratorGpVar *)gSelf;
lmCleanup(&(self->lm));
self->lm = lmInit(0);
// Temporarily tweak primaryRow's start and end to find upstream/downstream overlap:
struct annoRow *primaryRow = primaryData->rowList;
int pStart = primaryRow->start, pEnd = primaryRow->end;
if (primaryRow->start <= GPRANGE)
primaryRow->start = 0;
else
primaryRow->start -= GPRANGE;
primaryRow->end += GPRANGE;
struct annoRow *rows = annoGratorIntegrate(gSelf, primaryData, retRJFilterFailed, self->lm);
primaryRow->start = pStart;
primaryRow->end = pEnd;
if (self->variantFromRow == NULL)
setVariantFromRow(self, primaryData);
if (self->curChromSeq == NULL || differentString(self->curChromSeq->name, primaryRow->chrom))
{
dnaSeqFree(&self->curChromSeq);
struct twoBitFile *tbf = self->grator.streamer.assembly->tbf;
self->curChromSeq = twoBitReadSeqFragLower(tbf, primaryRow->chrom, 0, 0);
}
// TODO Performance improvement: instead of creating the transcript sequence for each
// variant that intersects the transcript, cache transcript sequence; possibly
// an slPair with a concatenation of {chrom, txStart, txEnd, cdsStart, cdsEnd,
// exonStarts, exonEnds} as the name, and sequence as the val. When something in
// the list is no longer in the list of rows from the internal annoGratorIntegrate call,
// drop it.
// BETTER YET: make a callback for gpFx to get CDS sequence only when it needs it.
char *refAllele = getGenomicSequence(self->curChromSeq->dna, primaryRow->start, primaryRow->end,
self->lm);
struct variant *variant = self->variantFromRow(self, primaryRow, refAllele);
if (rows == NULL)
{
// No genePreds means that the primary variant is intergenic.
if (self->funcFilter != NULL && self->funcFilter->intergenic)
return aggvIntergenicRow(self, variant, retRJFilterFailed, callerLm);
else if (retRJFilterFailed && self->gpVarOverlapRule == agoMustOverlap)
*retRJFilterFailed = TRUE;
return NULL;
}
if (retRJFilterFailed && *retRJFilterFailed)
return NULL;
struct annoRow *outRows = NULL;
int hasFrames = (asColumnFindIx(gSelf->mySource->asObj->columnList, "exonFrames") >= 0);
for(; rows; rows = rows->next)
{
char **inWords = rows->data;
// work around genePredLoad's trashing its input
char *saveExonStarts = lmCloneString(self->lm, inWords[8]);
char *saveExonEnds = lmCloneString(self->lm, inWords[9]);
struct genePred *gp = hasFrames ? genePredExtLoad(inWords, GENEPREDX_NUM_COLS) :
genePredLoad(inWords);
inWords[8] = saveExonStarts;
inWords[9] = saveExonEnds;
struct annoRow *outRow = aggvGenRows(self, variant, gp, rows, callerLm);
if (outRow != NULL)
{
slReverse(&outRow);
outRows = slCat(outRow, outRows);
}
genePredFree(&gp);
}
slReverse(&outRows);
// If all rows failed the filter, and we must overlap, set *retRJFilterFailed.
if (outRows == NULL && retRJFilterFailed && self->gpVarOverlapRule == agoMustOverlap)
*retRJFilterFailed = TRUE;
return outRows;
}
