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GDBshow.c
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GDBshow.c
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/*******************************************************************************************
*
* Display a specified set of reads of a database in fasta format.
*
* Author: Gene Myers
* Origin: Reworking of DAZZ_DB program DBshow.c from the FASTGA module specialized to "gdb" ("dam")
* Date : Jan 2024
*
********************************************************************************************/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/uio.h>
#include <unistd.h>
#include <fcntl.h>
#include "GDB.h"
#include "hash.h"
#include "select.h"
#define DEBUG_RANGE
static char *Usage =
"[-hU] [-w<int(80)>] <source:path>[.1gdb] [ <selection>|<FILE> ]";
#define MAX_BUFFER 10001
static int NCONTIG; // # of contigs (across all scaffolds)
static int NSCAFF; // # of scaffolds
static char *HEADERS; // All headers
static GDB_CONTIG *CONTIGS; // contig vector of the database
static GDB_SCAFFOLD *SCAFFS; // scaffold vector of the database
static Hash_Table *HASH; // Hash table of all scaffold names
int main(int argc, char *argv[])
{ GDB _gdb, *gdb = &_gdb;
Selection *select;
int llen;
int UPPER;
int DOSEQ;
int WIDTH;
// Process arguments
{ int i, j, k;
int flags[128];
char *eptr;
ARG_INIT("GDBshow")
WIDTH = 80;
j = 1;
for (i = 1; i < argc; i++)
if (argv[i][0] == '-')
switch (argv[i][1])
{ default:
ARG_FLAGS("hU")
break;
case 'w':
ARG_NON_NEGATIVE(WIDTH,"Line width")
break;
}
else
argv[j++] = argv[i];
argc = j;
if (flags['U'])
UPPER = UPPER_CASE;
else
UPPER = LOWER_CASE;
DOSEQ = 1-flags['h'];
if (argc <= 1)
{ fprintf(stderr,"Usage: %s %s\n",Prog_Name,Usage);
fprintf(stderr,"\n");
fprintf(stderr," <selection> = <range> [ , <range> ]*\n");
fprintf(stderr,"\n");
fprintf(stderr," <range> = <contig>[-<contig>] | <contig>_<int>-(<int>|#)\n");
fprintf(stderr," | @[<scaffold>[-<scaffold>]] | @<scaffold>_<int>-(<int>|#)\n");
fprintf(stderr,"\n");
fprintf(stderr," <contig> = (<int>|#)[.(<int>|#)]\n");
fprintf(stderr,"\n");
fprintf(stderr," <scaffold> = <int>|<string>|#\n");
fprintf(stderr,"\n");
fprintf(stderr," -h: Show only the header lines.\n");
fprintf(stderr," -w: Print -w bp per line (default is 80).\n");
fprintf(stderr," -U: Use upper case for DNA (default is lower case).\n");
exit (1);
}
}
// Read GDB and establish sorted order of headers
{ int s, c;
char *sptr, *eptr;
Read_GDB(gdb,argv[1]);
NSCAFF = gdb->nscaff;
NCONTIG = gdb->ncontig;
CONTIGS = gdb->contigs;
SCAFFS = gdb->scaffolds;
HEADERS = gdb->headers;
HASH = New_Hash_Table(NSCAFF,1);
for (s = 0; s < NSCAFF; s++)
{ sptr = HEADERS + SCAFFS[s].hoff;
for (eptr = sptr; *eptr != '\0'; eptr++)
if (isspace(*eptr))
break;
c = *eptr;
*eptr = '\0';
if (Hash_Lookup(HASH,sptr) < 0)
Hash_Add(HASH,sptr);
else
{ fprintf(stderr,"%s: Duplicate scaffold name: %s\n",Prog_Name,sptr);
exit (1);
}
*eptr = c;
}
}
// Get the selection list (every contig by default)
if (argc == 3)
select = get_selection_list(argv[2],gdb,HASH,&llen);
else
select = get_selection_list(NULL,gdb,HASH,&llen);
// Display each contig or scaffold in the GDB according to the
// range list of the selection, observing the display option
{ GDB_CONTIG *r;
GDB_SCAFFOLD *s;
char *contig;
char *nstring;
int c, b, e, k;
int substr, fst, lst;
// Setup 'n' string for printing scaffold gaps and buffer for contigs
nstring = Malloc(WIDTH+1,"Allocating write buffer\n");
if (UPPER == 2)
for (c = 0; c < WIDTH; c++)
nstring[c] = 'N';
else
for (c = 0; c < WIDTH; c++)
nstring[c] = 'n';
nstring[WIDTH] = '\0';
contig = New_Contig_Buffer(gdb);
for (c = 0; c < llen; c++)
{ if (select[c].type % 2)
{ b = e = select[c].src;
fst = select[c].beg;
lst = select[c].end;
substr = 1;
}
else
{ b = select[c].beg;
e = select[c].end;
fst = lst = 0;
substr = 0;
}
if (select[c].type >= 2)
{ for (k = b; k <= e; k++)
{ int cbeg, cend, wpos;
int j, u, w, f, l;
r = CONTIGS + SCAFFS[k].fctg;
if (!substr)
lst = SCAFFS[k].slen;
printf(">%s",HEADERS+SCAFFS[k].hoff);
if (substr)
printf(" :: [%d,%d]",fst,lst);
printf("\n");
#define ROLLING_PRINT(f,target) \
for (j = f; j+(w = WIDTH-wpos) <= l; j += w) \
{ printf("%.*s\n",w,target); \
wpos = 0; \
} \
if (j < l) \
{ printf("%.*s",l-j,target); \
wpos += l-j; \
}
if (DOSEQ)
{ cend = 0;
wpos = 0;
for (u = SCAFFS[k].fctg; u < SCAFFS[k].ectg; u++, r++)
{ cbeg = r->sbeg;
if (cend < fst)
cend = fst;
if (cend < lst && cbeg > fst)
{ if (cbeg <= lst)
l = cbeg-cend;
else
l = lst-cend;
ROLLING_PRINT(0,nstring)
}
cend = cbeg + r->clen;
if (cbeg < lst && cend > fst)
{ Get_Contig(gdb,u,UPPER,contig);
f = fst-cbeg;
l = lst-cbeg;
if (f < 0) f = 0;
if (l > r->clen) l = r->clen;
ROLLING_PRINT(f,contig+j)
}
}
cbeg = SCAFFS[k].slen;
if (cend < fst)
cend = fst;
if (cend < lst && cbeg > fst)
{ if (cbeg <= lst)
l = cbeg-cend;
else
l = lst-cend;
ROLLING_PRINT(0,nstring)
}
printf("\n");
}
}
}
else
{ for (k = b; k <= e; k++)
{ r = CONTIGS + k;
s = SCAFFS + r->scaf;
if (!substr)
lst = r->clen;
printf(">%s :: Contig %d[%lld,%lld]\n",
HEADERS+s->hoff,k-(s->fctg)+1,r->sbeg+fst,r->sbeg+lst);
if (DOSEQ)
{ int j;
Get_Contig(gdb,k,UPPER,contig);
for (j = fst; j+WIDTH < lst; j += WIDTH)
printf("%.*s\n",WIDTH,contig+j);
if (j < lst)
printf("%.*s\n",lst-j,contig+j);
}
fflush(stdout);
}
}
}
}
Close_GDB(gdb);
exit (0);
}