int gt_ltrfileout_stream_next(GtNodeStream *ns, GtGenomeNode **gn, GtError *err)
{
GtLTRdigestFileOutStream *ls;
GtFeatureNode *fn;
GtRange lltr_rng = {GT_UNDEF_UWORD, GT_UNDEF_UWORD},
rltr_rng = {GT_UNDEF_UWORD, GT_UNDEF_UWORD},
ppt_rng = {GT_UNDEF_UWORD, GT_UNDEF_UWORD},
pbs_rng = {GT_UNDEF_UWORD, GT_UNDEF_UWORD};
int had_err;
GtUword i=0;
gt_error_check(err);
ls = gt_ltrdigest_file_out_stream_cast(ns);
/* initialize this element */
memset(&ls->element, 0, sizeof (GtLTRElement));
/* get annotations from parser */
had_err = gt_node_stream_next(ls->in_stream, gn, err);
if (!had_err && *gn)
{
GtFeatureNodeIterator* gni;
GtFeatureNode *mygn;
/* only process feature nodes */
if (!(fn = gt_feature_node_try_cast(*gn)))
return 0;
ls->element.pdomorder = gt_array_new(sizeof (const char*));
/* fill LTRElement structure from GFF3 subgraph */
gni = gt_feature_node_iterator_new(fn);
for (mygn = fn; mygn != NULL; mygn = gt_feature_node_iterator_next(gni))
(void) gt_genome_node_accept((GtGenomeNode*) mygn,
(GtNodeVisitor*) ls->lv,
err);
gt_feature_node_iterator_delete(gni);
}
if (!had_err && ls->element.mainnode != NULL)
{
char desc[GT_MAXFASTAHEADER];
GtFeatureNode *ltr3, *ltr5;
GtStr *sdesc, *sreg, *seq;
/* find sequence in GtEncseq */
sreg = gt_genome_node_get_seqid((GtGenomeNode*) ls->element.mainnode);
sdesc = gt_str_new();
had_err = gt_region_mapping_get_description(ls->rmap, sdesc, sreg, err);
if (!had_err) {
GtRange rng;
ls->element.seqid = gt_calloc((size_t) ls->seqnamelen+1, sizeof (char));
(void) snprintf(ls->element.seqid,
MIN((size_t) gt_str_length(sdesc),
(size_t) ls->seqnamelen)+1,
"%s", gt_str_get(sdesc));
gt_cstr_rep(ls->element.seqid, ' ', '_');
if (gt_str_length(sdesc) > (GtUword) ls->seqnamelen)
ls->element.seqid[ls->seqnamelen] = '\0';
(void) gt_ltrelement_format_description(&ls->element,
ls->seqnamelen,
desc,
(size_t) (GT_MAXFASTAHEADER-1));
gt_str_delete(sdesc);
/* output basic retrotransposon data */
lltr_rng = gt_genome_node_get_range((GtGenomeNode*) ls->element.leftLTR);
rltr_rng = gt_genome_node_get_range((GtGenomeNode*) ls->element.rightLTR);
rng = gt_genome_node_get_range((GtGenomeNode*) ls->element.mainnode);
gt_file_xprintf(ls->tabout_file,
GT_WU"\t"GT_WU"\t"GT_WU"\t%s\t"GT_WU"\t"GT_WU"\t"GT_WU"\t"
GT_WU"\t"GT_WU"\t"GT_WU"\t",
rng.start, rng.end, gt_ltrelement_length(&ls->element),
ls->element.seqid, lltr_rng.start, lltr_rng.end,
gt_ltrelement_leftltrlen(&ls->element), rltr_rng.start,
rltr_rng.end, gt_ltrelement_rightltrlen(&ls->element));
}
seq = gt_str_new();
/* output TSDs */
if (!had_err && ls->element.leftTSD != NULL)
{
GtRange tsd_rng;
tsd_rng = gt_genome_node_get_range((GtGenomeNode*) ls->element.leftTSD);
had_err = gt_extract_feature_sequence(seq,
(GtGenomeNode*) ls->element.leftTSD,
gt_symbol(gt_ft_target_site_duplication),
false,
NULL, NULL, ls->rmap, err);
if (!had_err) {
gt_file_xprintf(ls->tabout_file,
""GT_WU"\t"GT_WU"\t%s\t",
tsd_rng.start,
tsd_rng.end,
gt_str_get(seq));
}
gt_str_reset(seq);
} else gt_file_xprintf(ls->tabout_file, "\t\t\t");
if (!had_err && ls->element.rightTSD != NULL)
{
GtRange tsd_rng;
tsd_rng = gt_genome_node_get_range((GtGenomeNode*) ls->element.rightTSD);
had_err = gt_extract_feature_sequence(seq,
(GtGenomeNode*) ls->element.rightTSD,
gt_symbol(gt_ft_target_site_duplication),
false,
NULL, NULL, ls->rmap, err);
if (!had_err) {
gt_file_xprintf(ls->tabout_file,
""GT_WU"\t"GT_WU"\t%s\t",
tsd_rng.start,
tsd_rng.end,
gt_str_get(seq));
}
gt_str_reset(seq);
} else gt_file_xprintf(ls->tabout_file, "\t\t\t");
/* output PPT */
if (!had_err && ls->element.ppt != NULL)
{
GtStrand ppt_strand = gt_feature_node_get_strand(ls->element.ppt);
ppt_rng = gt_genome_node_get_range((GtGenomeNode*) ls->element.ppt);
had_err = gt_extract_feature_sequence(seq,
(GtGenomeNode*) ls->element.ppt,
gt_symbol(gt_ft_RR_tract), false,
NULL, NULL, ls->rmap, err);
if (!had_err) {
gt_fasta_show_entry(desc, gt_str_get(seq), gt_range_length(&ppt_rng),
GT_FSWIDTH, ls->pptout_file);
gt_file_xprintf(ls->tabout_file,
""GT_WU"\t"GT_WU"\t%s\t%c\t%d\t",
ppt_rng.start,
ppt_rng.end,
gt_str_get(seq),
GT_STRAND_CHARS[ppt_strand],
(ppt_strand == GT_STRAND_FORWARD ?
abs((int) (rltr_rng.start - ppt_rng.end)) :
abs((int) (lltr_rng.end - ppt_rng.start))));
}
gt_str_reset(seq);
} else gt_file_xprintf(ls->tabout_file, "\t\t\t\t\t");
/* output PBS */
if (!had_err && ls->element.pbs != NULL)
{
GtStrand pbs_strand;
pbs_strand = gt_feature_node_get_strand(ls->element.pbs);
pbs_rng = gt_genome_node_get_range((GtGenomeNode*) ls->element.pbs);
had_err = gt_extract_feature_sequence(seq,
(GtGenomeNode*) ls->element.pbs,
gt_symbol(gt_ft_primer_binding_site),
false, NULL, NULL, ls->rmap, err);
if (!had_err) {
gt_fasta_show_entry(desc, gt_str_get(seq), gt_range_length(&pbs_rng),
GT_FSWIDTH, ls->pbsout_file);
gt_file_xprintf(ls->tabout_file,
""GT_WU"\t"GT_WU"\t%c\t%s\t%s\t%s\t%s\t%s\t",
pbs_rng.start,
pbs_rng.end,
GT_STRAND_CHARS[pbs_strand],
gt_feature_node_get_attribute(ls->element.pbs, "trna"),
gt_str_get(seq),
gt_feature_node_get_attribute(ls->element.pbs,
"pbsoffset"),
gt_feature_node_get_attribute(ls->element.pbs,
"trnaoffset"),
gt_feature_node_get_attribute(ls->element.pbs,
"edist"));
}
gt_str_reset(seq);
} else gt_file_xprintf(ls->tabout_file, "\t\t\t\t\t\t\t\t");
/* output protein domains */
if (!had_err && ls->element.pdoms != NULL)
{
GtStr *pdomorderstr = gt_str_new();
for (i=0; !had_err && i<gt_array_size(ls->element.pdomorder); i++)
{
const char* key = *(const char**) gt_array_get(ls->element.pdomorder,
i);
GtArray *entry = (GtArray*) gt_hashmap_get(ls->element.pdoms, key);
had_err = write_pdom(ls, entry, key, ls->rmap, desc, err);
}
if (GT_STRAND_REVERSE == gt_feature_node_get_strand(ls->element.mainnode))
gt_array_reverse(ls->element.pdomorder);
for (i=0 ;!had_err && i<gt_array_size(ls->element.pdomorder); i++)
{
const char* name = *(const char**) gt_array_get(ls->element.pdomorder,
i);
gt_str_append_cstr(pdomorderstr, name);
if (i != gt_array_size(ls->element.pdomorder)-1)
gt_str_append_cstr(pdomorderstr, "/");
}
gt_file_xprintf(ls->tabout_file, "%s", gt_str_get(pdomorderstr));
gt_str_delete(pdomorderstr);
}
/* output LTRs (we just expect them to exist) */
switch (gt_feature_node_get_strand(ls->element.mainnode))
{
case GT_STRAND_REVERSE:
ltr5 = ls->element.rightLTR;
ltr3 = ls->element.leftLTR;
break;
case GT_STRAND_FORWARD:
default:
ltr5 = ls->element.leftLTR;
ltr3 = ls->element.rightLTR;
break;
}
if (!had_err) {
had_err = gt_extract_feature_sequence(seq, (GtGenomeNode*) ltr5,
gt_symbol(gt_ft_long_terminal_repeat),
false,
NULL, NULL, ls->rmap, err);
}
if (!had_err) {
gt_fasta_show_entry(desc, gt_str_get(seq), gt_str_length(seq),
GT_FSWIDTH, ls->ltr5out_file);
gt_str_reset(seq);
}
if (!had_err) {
had_err = gt_extract_feature_sequence(seq, (GtGenomeNode*) ltr3,
gt_symbol(gt_ft_long_terminal_repeat),
false,
NULL, NULL, ls->rmap, err);
}
if (!had_err) {
gt_fasta_show_entry(desc, gt_str_get(seq), gt_str_length(seq),
GT_FSWIDTH, ls->ltr3out_file);
gt_str_reset(seq);
}
/* output complete oriented element */
if (!had_err) {
had_err = gt_extract_feature_sequence(seq,
(GtGenomeNode*) ls->element.mainnode,
gt_symbol(gt_ft_LTR_retrotransposon),
false,
NULL, NULL, ls->rmap, err);
}
if (!had_err) {
gt_fasta_show_entry(desc,gt_str_get(seq), gt_str_length(seq),
GT_FSWIDTH, ls->elemout_file);
gt_str_reset(seq);
}
gt_file_xprintf(ls->tabout_file, "\n");
gt_str_delete(seq);
}
gt_hashmap_delete(ls->element.pdoms);
gt_array_delete(ls->element.pdomorder);
gt_free(ls->element.seqid);
return had_err;
}
GtPBSResults* gt_pbs_find(const char *seq,
const char *rev_seq,
GtLTRElement *element,
GtPBSOptions *o,
GtError *err)
{
GtSeq *seq_forward, *seq_rev;
GtPBSResults *results;
unsigned long j;
GtAlignment *ali;
GtAlphabet *a = gt_alphabet_new_dna();
GtScoreFunction *sf = gt_dna_scorefunc_new(a,
o->ali_score_match,
o->ali_score_mismatch,
o->ali_score_insertion,
o->ali_score_deletion);
gt_assert(seq && rev_seq && sf && a && element);
results = gt_pbs_results_new(element, o);
seq_forward = gt_seq_new(seq + (gt_ltrelement_leftltrlen(element))
- (o->radius),
2*o->radius + 1,
a);
seq_rev = gt_seq_new(rev_seq + (gt_ltrelement_rightltrlen(element))
- (o->radius),
2*o->radius + 1,
a);
for (j=0;j<gt_bioseq_number_of_sequences(o->trna_lib);j++)
{
GtSeq *trna_seq, *trna_from3;
char *trna_from3_full;
unsigned long trna_seqlen;
trna_seq = gt_bioseq_get_seq(o->trna_lib, j);
trna_seqlen = gt_seq_length(trna_seq);
trna_from3_full = gt_calloc(trna_seqlen, sizeof (char));
memcpy(trna_from3_full, gt_seq_get_orig(trna_seq),
sizeof (char)*trna_seqlen);
(void) gt_reverse_complement(trna_from3_full, trna_seqlen, err);
trna_from3 = gt_seq_new_own(trna_from3_full, trna_seqlen, a);
ali = gt_swalign(seq_forward, trna_from3, sf);
gt_pbs_add_hit(results->hits, ali, o, trna_seqlen,
gt_seq_get_description(trna_seq), GT_STRAND_FORWARD,
results);
gt_alignment_delete(ali);
ali = gt_swalign(seq_rev, trna_from3, sf);
gt_pbs_add_hit(results->hits, ali, o, trna_seqlen,
gt_seq_get_description(trna_seq), GT_STRAND_REVERSE,
results);
gt_alignment_delete(ali);
gt_seq_delete(trna_from3);
}
gt_seq_delete(seq_forward);
gt_seq_delete(seq_rev);
gt_score_function_delete(sf);
gt_alphabet_delete(a);
gt_array_sort(results->hits, gt_pbs_hit_compare);
return results;
}