xbps/bin/xbps-query/search.c
2012-12-06 10:58:11 +01:00

163 lines
4.3 KiB
C

/*-
* Copyright (c) 2008-2012 Juan Romero Pardines.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_STRCASESTR
# define _GNU_SOURCE /* for strcasestr(3) */
#endif
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <limits.h>
#include <libgen.h>
#include <fnmatch.h>
#include <assert.h>
#include <xbps_api.h>
#include "defs.h"
struct repo_search_data {
int npatterns;
char **patterns;
void *arg;
size_t pkgver_len;
size_t maxcols;
};
static int
repo_longest_pkgver(struct xbps_rindex *rpi, void *arg, bool *done)
{
size_t *len = arg, olen = 0;
(void)done;
if (*len == 0) {
*len = find_longest_pkgver(rpi->xhp, rpi->repod);
return 0;
}
olen = find_longest_pkgver(rpi->xhp, rpi->repod);
if (olen > *len)
*len = olen;
return 0;
}
static size_t
repo_find_longest_pkgver(struct xbps_handle *xhp)
{
size_t len = 0;
xbps_rpool_foreach(xhp, repo_longest_pkgver, &len);
return len;
}
static int
repo_search_pkgs_cb(struct xbps_rindex *rpi, void *arg, bool *done)
{
prop_array_t allkeys;
prop_dictionary_t pkgd;
prop_dictionary_keysym_t ksym;
struct repo_search_data *rsd = arg;
const char *pkgver, *pkgname, *desc, *inststr;
char tmp[255], *out = NULL;
size_t i, j, len, maxcols;
int x;
(void)done;
maxcols = rsd->maxcols - 4; /* - "...\n" */
allkeys = prop_dictionary_all_keys(rpi->repod);
for (i = 0; i < prop_array_count(allkeys); i++) {
ksym = prop_array_get(allkeys, i);
pkgd = prop_dictionary_get_keysym(rpi->repod, ksym);
prop_dictionary_get_cstring_nocopy(pkgd, "pkgname", &pkgname);
prop_dictionary_get_cstring_nocopy(pkgd, "pkgver", &pkgver);
prop_dictionary_get_cstring_nocopy(pkgd, "short_desc", &desc);
for (x = 0; x < rsd->npatterns; x++) {
if ((xbps_pkgpattern_match(pkgver, rsd->patterns[x])) ||
(xbps_pkgpattern_match(desc, rsd->patterns[x])) ||
(strcasecmp(pkgname, rsd->patterns[x]) == 0) ||
(strcasestr(pkgver, rsd->patterns[x])) ||
(strcasestr(desc, rsd->patterns[x]))) {
strncpy(tmp, pkgver, sizeof(tmp));
for (j = strlen(tmp); j < rsd->pkgver_len; j++)
tmp[j] = ' ';
tmp[j] = '\0';
if (xbps_pkgdb_get_pkg(rpi->xhp, pkgver))
inststr = "[*]";
else
inststr = "[-]";
len = strlen(inststr) + strlen(tmp) +
strlen(desc);
if (len > maxcols) {
out = malloc(maxcols);
assert(out);
snprintf(out, maxcols, "%s %s %s",
inststr, tmp, desc);
printf("%s...\n", out);
free(out);
} else {
printf("%s %s %s\n", inststr,
tmp, desc);
}
}
}
}
prop_object_release(allkeys);
return 0;
}
int
repo_search(struct xbps_handle *xhp, int npatterns, char **patterns)
{
struct repo_search_data rsd;
int rv;
rsd.npatterns = npatterns;
rsd.patterns = patterns;
rsd.pkgver_len = repo_find_longest_pkgver(xhp);
rsd.maxcols = get_maxcols();
rv = xbps_rpool_foreach(xhp, repo_search_pkgs_cb, &rsd);
if (rv != 0 && rv != ENOTSUP)
fprintf(stderr, "Failed to initialize rpool: %s\n",
strerror(rv));
return rv;
}