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/* search.c - Alpine Package Keeper (APK)
*
* Copyright (C) 2005-2009 Natanael Copa <n@tanael.org>
* Copyright (C) 2008-2011 Timo Teräs <timo.teras@iki.fi>
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation. See http://www.gnu.org/ for details.
*/
#include <fnmatch.h>
#include <stdio.h>
#include "apk_defines.h"
#include "apk_applet.h"
#include "apk_package.h"
#include "apk_database.h"
struct search_ctx {
void (*print_result)(struct search_ctx *ctx, struct apk_package *pkg);
void (*print_package)(struct search_ctx *ctx, struct apk_package *pkg);
int show_all : 1;
int search_exact : 1;
int search_description : 1;
int search_origin : 1;
unsigned int matches;
struct apk_string_array *filter;
};
static void print_package_name(struct search_ctx *ctx, struct apk_package *pkg)
{
printf("%s", pkg->name->name);
if (apk_verbosity > 0)
printf("-" BLOB_FMT, BLOB_PRINTF(*pkg->version));
if (apk_verbosity > 1)
printf(" - %s", pkg->description);
printf("\n");
}
static void print_origin_name(struct search_ctx *ctx, struct apk_package *pkg)
{
if (pkg->origin != NULL)
printf(BLOB_FMT, BLOB_PRINTF(*pkg->origin));
else
printf("%s", pkg->name->name);
if (apk_verbosity > 0)
printf("-" BLOB_FMT, BLOB_PRINTF(*pkg->version));
printf("\n");
}
static void print_rdep_pkg(struct apk_package *pkg0, struct apk_dependency *dep0, struct apk_package *pkg, void *pctx)
{
struct search_ctx *ctx = (struct search_ctx *) pctx;
ctx->print_package(ctx, pkg0);
}
static void print_rdepends(struct search_ctx *ctx, struct apk_package *pkg)
{
if (apk_verbosity > 0) {
ctx->matches = apk_foreach_genid() | APK_DEP_SATISFIES;
printf(PKG_VER_FMT " is required by:\n", PKG_VER_PRINTF(pkg));
}
apk_pkg_foreach_reverse_dependency(pkg, ctx->matches, print_rdep_pkg, ctx);
}
static int option_parse_applet(void *ctx, struct apk_db_options *dbopts, int optch, const char *optarg)
{
struct search_ctx *ictx = (struct search_ctx *) ctx;
switch (optch) {
case 'a':
ictx->show_all = 1;
break;
case 'd':
ictx->search_description = 1;
ictx->search_exact = 1;
ictx->show_all = 1;
break;
case 'e':
case 'x':
ictx->search_exact = 1;
break;
case 'o':
ictx->print_package = print_origin_name;
break;
case 'r':
ictx->print_result = print_rdepends;
break;
case 0x10000:
ictx->search_origin = 1;
ictx->search_exact = 1;
ictx->show_all = 1;
break;
default:
return -1;
}
return 0;
}
static const struct apk_option options_applet[] = {
{ 'a', "all", "Show all package versions (instead of latest only)" },
{ 'd', "description", "Search package descriptions (implies -a)" },
{ 'x', "exact", "Require exact match (instead of substring match)" },
{ 'e', NULL, "Synonym for -x (deprecated)" },
{ 'o', "origin", "Print origin package name instead of the subpackage" },
{ 'r', "rdepends", "Print reverse dependencies of package" },
{ 0x10000, "has-origin","List packages that have the given origin" },
};
static const struct apk_option_group optgroup_applet = {
.name = "Search",
.options = options_applet,
.num_options = ARRAY_SIZE(options_applet),
.parse = option_parse_applet,
};
static void print_result_pkg(struct search_ctx *ctx, struct apk_package *pkg)
{
char **pmatch;
if (ctx->search_description) {
foreach_array_item(pmatch, ctx->filter) {
if (strstr(pkg->description, *pmatch) != NULL ||
strstr(pkg->name->name, *pmatch) != NULL)
goto match;
}
return;
}
if (ctx->search_origin) {
foreach_array_item(pmatch, ctx->filter) {
if (pkg->origin && apk_blob_compare(APK_BLOB_STR(*pmatch), *pkg->origin) == 0)
goto match;
}
return;
}
match:
ctx->print_result(ctx, pkg);
}
static void print_result(struct apk_database *db, const char *match, struct apk_name *name, void *pctx)
{
struct search_ctx *ctx = pctx;
struct apk_provider *p;
struct apk_package *pkg = NULL;
if (!name) return;
if (ctx->show_all) {
foreach_array_item(p, name->providers)
print_result_pkg(ctx, p->pkg);
} else {
foreach_array_item(p, name->providers) {
if (pkg == NULL ||
apk_version_compare_blob(*p->version, *pkg->version) == APK_VERSION_GREATER)
pkg = p->pkg;
}
if (pkg)
print_result_pkg(ctx, pkg);
}
}
static int print_pkg(apk_hash_item item, void *pctx)
{
print_result_pkg((struct search_ctx *) pctx, (struct apk_package *) item);
return 0;
}
static int search_main(void *pctx, struct apk_database *db, struct apk_string_array *args)
{
struct search_ctx *ctx = (struct search_ctx *) pctx;
char *tmp, **pmatch;
ctx->filter = args;
ctx->matches = apk_foreach_genid() | APK_DEP_SATISFIES;
if (ctx->print_package == NULL)
ctx->print_package = print_package_name;
if (ctx->print_result == NULL)
ctx->print_result = ctx->print_package;
if (ctx->search_description || ctx->search_origin)
return apk_hash_foreach(&db->available.packages, print_pkg, ctx);
if (!ctx->search_exact) {
foreach_array_item(pmatch, ctx->filter) {
tmp = alloca(strlen(*pmatch) + 3);
sprintf(tmp, "*%s*", *pmatch);
*pmatch = tmp;
}
}
apk_name_foreach_matching(
db, args, APK_FOREACH_NULL_MATCHES_ALL | apk_foreach_genid(),
print_result, ctx);
return 0;
}
static struct apk_applet apk_search = {
.name = "search",
.help = "Search package by PATTERNs or by indexed dependencies",
.arguments = "PATTERN",
.open_flags = APK_OPENF_READ | APK_OPENF_NO_STATE,
.context_size = sizeof(struct search_ctx),
.optgroups = { &optgroup_global, &optgroup_applet },
.main = search_main,
};
APK_DEFINE_APPLET(apk_search);
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