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/*
* VOTINFO
*
* Print information about the structure of a VOTable.
*
* Usage:
* votinfo [-v] <votable>
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "votParse.h"
int vot = 0; /* VOTable handle */
int verbose = 0; /* options */
int warn = 0; /* warning options */
static void ppMultiLine (char *result, int poffset, int pwidth, int maxchars);
int
main (int argc, char **argv)
{
char *fname, *name, *ucd, *desc, *value;
int res, tab, data, tdata, field, handle;
int i, len, ncols, nrows;
if (argc < 2) {
fprintf (stderr, "Usage: votinfo <votable>\n");
return (1);
} else if (argc >= 2) {
for (i=1; i < argc; i++) {
if (argv[i][0] == '-') {
switch (argv[i][1]) {
case 'v': verbose++; break;
case 'w': warn++; break;
default:
fprintf (stderr, "Invalid option '%s'\n", argv[i]);
return (1);
}
} else {
fname = argv[i];
break;
}
}
}
/* Open the table. This also parses it.
*/
vot_setWarnings (warn);
if ( (vot = vot_openVOTABLE (fname) ) <= 0) {
fprintf (stderr, "Error opening VOTable '%s'\n", argv[1]);
return (1);
}
res = vot_getRESOURCE (vot); /* get handles */
tab = vot_getTABLE (res);
data = vot_getDATA (tab);
tdata = vot_getTABLEDATA (data);
nrows = vot_getNRows (tdata);
ncols = vot_getNCols (tdata);
/* Print a table summary.
*/
printf ("%s\n\n", (fname[0] == '-' ? "Stdin" : fname));
printf (" Resources: %d\tType: %-12s\t Table Size: %d x %d\n",
vot_getLength (res), vot_getDATATypeString (data), ncols, nrows);
handle = vot_getINFO (res);
printf (" INFO: %d\n", (handle ? vot_getLength (handle) : 0));
handle = vot_getPARAM (res);
printf (" PARAM: %d\t", (len=(handle ? vot_getLength(handle):0)));
if (verbose) {
for (len-- ; handle; handle=vot_getNext(handle),len--) {
name = vot_getAttr (handle, "id");
value = vot_getAttr (handle, "value");
printf ("%s = %s ", name, value);
if (len)
printf ("\n\t\t\t");
}
}
printf ("\n");
/*
handle = vot_getCOOSYS (res);
printf (" COOSYS: %d\n", vot_getLength (handle));
handle = vot_getDESCRIPTION (res);
desc = vot_getValue (handle);
printf (" Description: ");
ppMultiLine (desc, 16, 63, 4096);
printf ("\n\n");
*/
/* Print the column info in verbose mode.
*/
if (verbose) {
printf ("\n\t\t\tName\t\t\tUCD\n\n");
i = 0;
for (field=vot_getFIELD(tab); field; field=vot_getNext (field)) {
name = vot_getAttr (field, "name");
ucd = vot_getAttr (field, "ucd");
printf (" Field %2d: %-20s\t%-30s\n",
++i, (name ? name : ""), (ucd ? ucd : ""));
/* If very-verbose, print a FIELD description.
*/
if (verbose > 1) {
if ( (desc = vot_getValue (vot_getDESCRIPTION (field))) )
printf ("\t Desc: %-s\n\n", desc);
}
}
}
vot_closeVOTABLE (vot); /* close the table */
return (0);
}
/**
* ppMultiLine
*
* Print a lengthy string on multiple lines. Used to print the last column
* of a table where we indent the carried-over lines to the specified offset.
* No effort is made to break lines at a 'nice' spot since long URLs and
* such won't fit anyway, so we just cut the line and continue.
*/
static void
ppMultiLine (char *result, int poffset, int pwidth, int maxchars)
{
register int i, j, ellipses = 0;
int len = strlen((result ? result : ""));
char *ip;
if (result)
len = strlen (result);
else
return;
ip = &result[len-1]; /* strip trailing w/s */
while ((isspace(*ip) || *ip == '\n') && ip > result)
*ip-- = '\0';
if (len > maxchars) {
result[maxchars] = '\0';
len = maxchars;
ellipses++;
}
if (len < pwidth) {
for (ip=result; *ip && isspace(*ip); )
ip++;
printf ("%s", ip);
} else {
j = pwidth;
for (i=0; i < len; ) {
while (isspace (result[i])) i++;
printf ("%-*.*s\n", pwidth, pwidth, &result[i]);
i = j + 1;
j += pwidth;
printf ("%*s", poffset, " ");
if (j > len) {
while (isspace (result[i])) i++;
printf ("%s", &result[i]);
if (ellipses)
printf (" (read more)....");
break;
}
}
}
}
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