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/**
* VOIMAGE -- Query all VO Image services
*
* Usage:
* voimage [<opts>] [ <object> | <ra> <dec> ] [ <size> ]
*
* @file voimage.c
* @author Mike Fitzpatrick
* @date 2/03/13
*
* @brief Query all VO Image services.
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "votParse.h" /* keep these in order! */
#include "voApps.h"
/* Task specific option declarations. Task options are declared using the
* getopt_long(3) syntax.
*/
int vodata (int argc, char **argv, size_t *len, void **result);
int voimage (int argc, char **argv, size_t *len, void **result);
static Task self = { "voimage", voimage, 0, 0, 0 };
extern void vot_setArg (char **argv, int *argc, char *value);
static void Usage (void);
static void Tests (char *input);
/**
* Application entry point. All VOApps tasks MUST contain this
* method signature.
*/
int
voimage (int argc, char **argv, size_t *reslen, void **result)
{
char *pargv[argc+2];
int i, narg = 0, status = OK;
/* Initialize result object whether we return an object or not.
*/
*reslen = 0;
*result = NULL;
/* Do a quick check of the args so we can provide a task-local
* help and test option. Otherwise, we simply pass thru all the
* args to VODATA for processing.
*/
if (strncmp (argv[1],"-h",2) == 0 || strncmp (argv[1],"--help",6) == 0) {
Usage (); return (OK);
}
if (strncmp (argv[1],"-%",2) == 0 || strncmp (argv[1],"--test",6) == 0) {
Tests (NULL); return (self.nfail);
}
/* Initialize the new argument vector.
*/
vot_setArg (pargv, &narg, argv[0]);
vot_setArg (pargv, &narg, "--type=image");
for (i=1; i < argc; i++)
vot_setArg (pargv, &narg, argv[i]);
/**
* The VODATA task does all the real work, we effectively just set the
* "-t image" option to force the service type as a logical naming
* convenience for the user. Note that return parameters are handled
* by vodata as well so there is no processing required here.
*/
status = vodata (narg, pargv, reslen, result);
/* Clean up. Rememebr to free whatever pointers were created when
* parsing arguments.
*/
for (i=0; i < (argc + 2); i++)
free ((void *) pargv[i]);
return (status);
}
/**
* USAGE -- Print task help summary.
*/
static void
Usage (void)
{
fprintf (stderr, "\n Usage:\n\t"
"voimage [<opts>] votable.xml\n\n"
" where\n"
" -%%,--test run unit tests\n"
" -h,--help this message\n"
"\n"
" <opts> includes all valid VODATA options\n"
"\n"
" Examples:\n\n"
" 1) Query for all X-ray image data of M51:\n\n"
" %% voimage -b x-ray any m51\n"
"\n"
" 2) Query an HST service having data of the subdwarf galaxy\n"
" IC 10, print a count of the results only:\n\n"
" %% voimage -c CADC/HST IC10\n"
"\n"
);
}
/**
* Tests -- Task unit tests.
*/
static void
Tests (char *input)
{
Task *task = &self;
vo_taskTest (task, "--help", NULL);
vo_taskTest (task, "-b", "x-ray", "any", "m51", NULL); // Ex 1
vo_taskTest (task, "-c", "CADC/HST", "IC10", NULL); // Ex 2
vo_taskTestReport (self);
}
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