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/* $Id$ */
/*
* Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <assert.h>
#include <getopt.h>
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "apropos_db.h"
#include "mandoc.h"
static int cmp(const void *, const void *);
static void list(struct res *, size_t, void *);
static void usage(void);
static char *progname;
int
main(int argc, char *argv[])
{
int ch;
size_t terms;
struct opts opts;
struct expr *e;
extern int optind;
extern char *optarg;
memset(&opts, 0, sizeof(struct opts));
progname = strrchr(argv[0], '/');
if (progname == NULL)
progname = argv[0];
else
++progname;
while (-1 != (ch = getopt(argc, argv, "S:s:")))
switch (ch) {
case ('S'):
opts.arch = optarg;
break;
case ('s'):
opts.cat = optarg;
break;
default:
usage();
return(EXIT_FAILURE);
}
argc -= optind;
argv += optind;
if (0 == argc)
return(EXIT_SUCCESS);
if (NULL == (e = exprcomp(argc, argv, &terms))) {
fprintf(stderr, "Bad expression\n");
return(EXIT_FAILURE);
}
/*
* Configure databases.
* The keyword database is a btree that allows for duplicate
* entries.
* The index database is a recno.
*/
ch = apropos_search(&opts, e, terms, NULL, list);
exprfree(e);
if (0 == ch)
fprintf(stderr, "%s: Database error\n", progname);
return(ch ? EXIT_SUCCESS : EXIT_FAILURE);
}
/* ARGSUSED */
static void
list(struct res *res, size_t sz, void *arg)
{
int i;
qsort(res, sz, sizeof(struct res), cmp);
for (i = 0; i < (int)sz; i++)
printf("%s(%s%s%s) - %s\n", res[i].title,
res[i].cat,
*res[i].arch ? "/" : "",
*res[i].arch ? res[i].arch : "",
res[i].desc);
}
static int
cmp(const void *p1, const void *p2)
{
return(strcmp(((const struct res *)p1)->title,
((const struct res *)p2)->title));
}
static void
usage(void)
{
fprintf(stderr, "usage: %s [-S arch] [-s section] "
"expression...\n", progname);
}
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