uint32_t *cigar = bam1_cigar(b);
n2 = 0;
if (b->core.pos == 0 && b->core.tid >= 0 && strcmp(bam1_qname(b), h->target_name[b->core.tid]) == 0) {
- // fprintf(stderr, "[depad] Found embedded reference %s\n", bam1_qname(b));
+ // fprintf(stderr, "[depad] Found embedded reference '%s'\n", bam1_qname(b));
r_tid = b->core.tid;
unpad_seq(b, &r);
if (h->target_len[r_tid] != r.l) {
- fprintf(stderr, "[depad] ERROR: (Padded) length of '%s' is %i in BAM header, but %id in embedded reference\n", bam1_qname(b), h->target_len[r_tid], r.l);
+ fprintf(stderr, "[depad] ERROR: (Padded) length of '%s' is %d in BAM header, but %ld in embedded reference\n", bam1_qname(b), h->target_len[r_tid], r.l);
return -1;
}
if (fai) {
// Show gaps as ASCII 45
fprintf(stderr, "[depad] ERROR: Embedded sequence and reference FASTA don't match for %s base %i, '%c' vs '%c'\n",
h->target_name[b->core.tid], i+1,
- r.s[i] ? bam_nt16_rev_table[r.s[i]] : 45,
- q.s[i] ? bam_nt16_rev_table[q.s[i]] : 45);
+ r.s[i] ? bam_nt16_rev_table[(int)r.s[i]] : 45,
+ q.s[i] ? bam_nt16_rev_table[(int)q.s[i]] : 45);
return -1;
}
}
return -1;
} else if (b->core.tid == r_tid) {
; // good case, reference available
+ //fprintf(stderr, "[depad] Have ref '%s' for read '%s'\n", h->target_name[b->core.tid], bam1_qname(b));
} else if (fai) {
if (load_unpadded_ref(fai, h->target_name[b->core.tid], h->target_len[b->core.tid], &r)) {
fprintf(stderr, "[depad] ERROR: Failed to load '%s' from reference FASTA\n", h->target_name[b->core.tid]);
n2 = k;
replace_cigar(b, n2, cigar2);
b->core.pos = posmap[b->core.pos];
+ if (b->core.mtid < 0 || b->core.mpos < 0) {
+ /* Nice case, no mate to worry about*/
+ // fprintf(stderr, "[depad] Read '%s' mate not mapped\n", bam1_qname(b));
+ /* TODO - Warning if FLAG says mate should be mapped? */
+ /* Clean up funny input where mate position is given but mate reference is missing: */
+ b->core.mtid = -1;
+ b->core.mpos = -1;
+ } else if (b->core.mtid == b->core.tid) {
+ /* Nice case, same reference */
+ // fprintf(stderr, "[depad] Read '%s' mate mapped to same ref\n", bam1_qname(b));
+ b->core.mpos = posmap[b->core.mpos];
+ } else {
+ /* Nasty case, Must load alternative posmap */
+ // fprintf(stderr, "[depad] Loading reference '%s' temporarily\n", h->target_name[b->core.mtid]);
+ if (!fai) {
+ fprintf(stderr, "[depad] ERROR: Needed reference %s sequence for mate (and no FASTA file)\n", h->target_name[b->core.mtid]);
+ return -1;
+ }
+ /* Temporarily load the other reference sequence */
+ if (load_unpadded_ref(fai, h->target_name[b->core.mtid], h->target_len[b->core.mtid], &r)) {
+ fprintf(stderr, "[depad] ERROR: Failed to load '%s' from reference FASTA\n", h->target_name[b->core.mtid]);
+ return -1;
+ }
+ posmap = update_posmap(posmap, r);
+ b->core.mpos = posmap[b->core.mpos];
+ /* Restore the reference and posmap*/
+ if (load_unpadded_ref(fai, h->target_name[b->core.tid], h->target_len[b->core.tid], &r)) {
+ fprintf(stderr, "[depad] ERROR: Failed to load '%s' from reference FASTA\n", h->target_name[b->core.tid]);
+ return -1;
+ }
+ posmap = update_posmap(posmap, r);
+ }
}
samwrite(out, b);
}
fprintf(stderr, "[depad] ERROR getting unpadded length of '%s', padded length %i\n", old->target_name[i], old->target_len[i]);
} else {
header->target_len[i] = unpadded_len;
- fprintf(stderr, "[depad] Recalculating '%s' length %i -> %i\n", old->target_name[i], old->target_len[i], header->target_len[i]);
+ //fprintf(stderr, "[depad] Recalculating '%s' length %i -> %i\n", old->target_name[i], old->target_len[i], header->target_len[i]);
+ }
+ }
+ /* Duplicating the header allocated new buffer for header string */
+ /* After modifying the @SQ lines it will only get smaller, since */
+ /* the LN entries will be the same or shorter, and we'll remove */
+ /* any MD entries (MD5 checksums). */
+ assert(strlen(old->text) == strlen(header->text));
+ assert (0==strcmp(old->text, header->text));
+ const char *text;
+ text = old->text;
+ header->text[0] = '\0'; /* Resuse the allocated buffer */
+ char * newtext = header->text;
+ char * end=NULL;
+ while (text[0]=='@') {
+ end = strchr(text, '\n');
+ assert(end != 0);
+ if (text[1]=='S' && text[2]=='Q' && text[3]=='\t') {
+ /* TODO - edit the @SQ line here to remove MD and fix LN. */
+ /* For now just remove the @SQ line, and samtools will */
+ /* automatically generate a minimal replacement with LN. */
+ /* However, that discards any other tags like AS, SP, UR. */
+ //fprintf(stderr, "[depad] Removing @SQ line\n");
+ } else {
+ /* Copy this line to the new header */
+ strncat(newtext, text, end - text + 1);
}
+ text = end + 1;
+ }
+ assert (text[0]=='\0');
+ /* Check we didn't overflow the buffer */
+ assert (strlen(header->text) <= strlen(old->text));
+ if (strlen(header->text) < header->l_text) {
+ //fprintf(stderr, "[depad] Reallocating header buffer\n");
+ assert (newtext == header->text);
+ newtext = malloc(strlen(header->text) + 1);
+ strcpy(newtext, header->text);
+ free(header->text);
+ header->text = newtext;
+ header->l_text = strlen(newtext);
}
- /* TODO - Correct the @SQ reference lengths from padded to unpadded */
+ //fprintf(stderr, "[depad] Here is the new header (pending @SQ lines),\n\n%s\n(end)\n", header->text);
return header;
}
depad_end:
// close files, free and return
- free(fn_list); free(fn_out);
- if (h != in->header) bam_header_destroy(h);
+ if (fai) fai_destroy(fai);
+ if (h != in->header) bam_header_destroy(h);
samclose(in);
samclose(out);
- fai_destroy(fai);
+ free(fn_list); free(fn_out);
return ret;
}