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/*
* Copyright 2005 Gentoo Foundation
* Distributed under the terms of the GNU General Public License v2
* $Header: /var/cvsroot/gentoo-projects/portage-utils/qsearch.c,v 1.14 2005/06/21 05:37:50 solar Exp $
*
* 2005 Ned Ludd - <solar@gentoo.org>
* 2005 Mike Frysinger - <vapier@gentoo.org>
*
********************************************************************
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*
*/
/* functional description of search options based on emerge(1) */
#if 0
/* --searchdesc (-S) */
char qsearch_searchdesc_help[] =
"Matches the search string against the description field as well as the package name.\n"
"Take caution as the descriptions are also matched as regular expressions.\n";
/* --search (-s) */
char qsearch_search_help[] =
"Searches for matches of the supplied string in the portage tree.\n"
"The --search string is a regular expression.\n"
"For example, qsearch --search '^kde' searches for any package that starts with 'kde'\n"
"qsearch --search 'gcc$' searches for any package that ends with 'gcc'\n"
"qsearch --search 'office' searches for any package that contains the word 'office'.\n"
"If you want to search the package descriptions as well, use the --searchdesc option.\n";
#endif
#define QSEARCH_FLAGS "acsSH" COMMON_FLAGS
static struct option const qsearch_long_opts[] = {
{"all", no_argument, NULL, 'a'},
{"cache", no_argument, NULL, 'c'},
{"search", no_argument, NULL, 's'},
{"desc", a_argument, NULL, 'S'},
{"homepage", no_argument, NULL, 'H'},
COMMON_LONG_OPTS
};
static const char *qsearch_opts_help[] = {
"List the descriptions of every package in the cache",
"Use the portage cache",
"Regex search package names",
"Regex search package descriptions",
"Show homepage info",
COMMON_OPTS_HELP
};
#define qsearch_usage(ret) usage(ret, QSEARCH_FLAGS, qsearch_long_opts, qsearch_opts_help, APPLET_QSEARCH)
int qsearch_main(int argc, char **argv)
{
FILE *fp;
char buf[_POSIX_PATH_MAX];
char ebuild[_POSIX_PATH_MAX];
char last[126] = "";
char *p, *q, *str;
char *search_me = NULL;
char show_homepage = 0;
char search_desc = 1, search_all = 0, search_cache = CACHE_EBUILD;
const char *search_vars[] = { "HOMEPAGE=", "DESCRIPTION=" };
const char *search_var;
size_t search_len;
int i;
DBG("argc=%d argv[0]=%s argv[1]=%s",
argc, argv[0], argc > 1 ? argv[1] : "NULL?");
while ((i = GETOPT_LONG(QSEARCH, qsearch, "")) != -1) {
switch (i) {
COMMON_GETOPTS_CASES(qsearch)
case 'a': search_all = 1; break;
case 'c': search_cache = CACHE_METADATA; break;
case 's': search_desc = 0; break;
case 'S': search_desc = 1; break;
case 'H': show_homepage = 1; break;
}
}
if (search_all) {
search_desc = 1;
} else {
if (argc == optind)
qsearch_usage(EXIT_FAILURE);
search_me = argv[optind];
}
last[0] = 0;
fp = fopen(initialize_flat(search_cache), "r");
if (!fp)
return 1;
/* moved these outside of the loop for better asm generation */
search_len = (show_homepage ? 9 : 12);
search_var = (show_homepage ? search_vars[0] : search_vars[1]);
while (fgets(ebuild, sizeof(ebuild), fp) != NULL) {
if ((p = strchr(ebuild, '\n')) != NULL)
*p = 0;
if (!ebuild[0])
continue;
switch (search_cache) {
case CACHE_METADATA: {
portage_cache *pcache;
if ((pcache = cache_read_file(ebuild)) != NULL) {
if ((strcmp(pcache->atom->PN, last)) != 0) {
strncpy(last, pcache->atom->PN, sizeof(last));
if ((rematch(search_me, (search_desc ? pcache->DESCRIPTION : ebuild), REG_EXTENDED | REG_ICASE)) == 0)
printf("%s%s/%s%s%s %s\n", BOLD, pcache->atom->CATEGORY, BLUE,
pcache->atom->PN, NORM, (show_homepage ? pcache->HOMEPAGE : pcache->DESCRIPTION));
}
cache_free(pcache);
} else {
if (!reinitialize)
warnf("(cache update pending) %s", ebuild);
reinitialize = 1;
}
break;
}
case CACHE_EBUILD: {
FILE *ebuildfp;
str = xstrdup(ebuild);
p = (char *) dirname(str);
if ((strcmp(p, last)) != 0) {
strncpy(last, p, sizeof(last));
if (!search_desc) {
if ((rematch(search_me, basename(last), REG_EXTENDED | REG_ICASE)) == 0)
printf("%s\n", last);
continue;
}
if ((ebuildfp = fopen(ebuild, "r")) != NULL) {
while ((fgets(buf, sizeof(buf), ebuildfp)) != NULL) {
if (strlen(buf) <= search_len)
continue;
if (strncmp(buf, search_var, search_len) == 0) {
if ((q = strrchr(buf, '"')) != NULL)
*q = 0;
if (strlen(buf) <= search_len)
break;
q = buf + search_len + 1;
if (!search_all && rematch(search_me, q, REG_EXTENDED | REG_ICASE) != 0)
break;
printf("%s%s/%s%s%s %s\n",
BOLD, dirname(p), BLUE, basename(p), NORM, q);
break;
}
}
fclose(ebuildfp);
} else {
if (!reinitialize)
warnfp("(cache update pending) %s", ebuild);
reinitialize = 1;
}
}
free(str);
break;
} /* case CACHE_EBUILD */
} /* switch (search_cache) */
}
fclose(fp);
return EXIT_SUCCESS;
}
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