summaryrefslogtreecommitdiff
path: root/src/search.c
blob: 3973552e73aa6c9a000e30c6d37bfe95d42f2f97 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
/* info.c - Alpine Package Keeper (APK)
 *
 * Copyright (C) 2005-2009 Natanael Copa <n@tanael.org>
 * Copyright (C) 2009 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"
#include "apk_state.h"

struct search_ctx {
	int (*match)(struct apk_package *pkg, const char *str);
	int (*print)(struct apk_package *pkg);
	int argc;
	char **argv;
};

static int print_match(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");

	return 0;
}

static int print_rdepends(struct apk_package *pkg)
{
	struct apk_name *name, *name0;
	struct apk_package *pkg0;
	struct apk_dependency *dep;
	int i, j, k;

	name = pkg->name;

	printf(PKG_VER_FMT ":", PKG_VER_PRINTF(pkg));
	for (i = 0; i < name->rdepends->num; i++) {
		name0 = name->rdepends->item[i];
		for (j = 0; j < name0->pkgs->num; j++) {
			pkg0 = name0->pkgs->item[j];
			for (k = 0; k < pkg0->depends->num; k++) {
				dep = &pkg0->depends->item[k];
				if (name == dep->name &&
				    apk_dep_is_satisfied(dep, pkg)) {
					printf(" " PKG_VER_FMT,
					       PKG_VER_PRINTF(pkg0));
				}
			}
		}
	}
	printf("\n");

	return 0;
}

static int search_pkgname(struct apk_package *pkg, const char *str)
{
	return fnmatch(str, pkg->name->name, 0) == 0;
}

static int search_desc(struct apk_package *pkg, const char *str)
{
	return  strstr(pkg->name->name, str) != NULL ||
		strstr(pkg->description, str) != NULL;
}

static int search_parse(void *ctx, struct apk_db_options *dbopts,
		        int optch, int optindex, const char *optarg)
{
	struct search_ctx *ictx = (struct search_ctx *) ctx;

	switch (optch) {
	case 'd':
		ictx->match = search_desc;
		break;
	case 'r':
		ictx->print = print_rdepends;
		break;
	default:
		return -1;
	}
	return 0;
}

static int match_packages(apk_hash_item item, void *ctx)
{
	struct search_ctx *ictx = (struct search_ctx *) ctx;
	struct apk_package *pkg = (struct apk_package *) item;
	int i;

	for (i = 0; i < ictx->argc; i++)
		if (ictx->match(pkg, ictx->argv[i]))
			break;
	if (ictx->argc == 0 || i < ictx->argc)
		ictx->print(pkg);

	return 0;
}

static int search_main(void *ctx, struct apk_database *db, int argc, char **argv)
{
	struct search_ctx *ictx = (struct search_ctx *) ctx;
	struct apk_name *name;
	int rc = 0, i, j, slow_search;

	slow_search = ictx->match != NULL || argc == 0;
	if (!slow_search) {
		for (i = 0; i < argc; i++)
			if (strcspn(argv[i], "*?[") != strlen(argv[i])) {
				slow_search = 1;
				break;
			}
	}

	if (ictx->match == NULL)
		ictx->match = search_pkgname;
	if (ictx->print == NULL)
		ictx->print = print_match;
	else if (argc == 0)
		return -1;

	if (slow_search) {
		ictx->argc = argc;
		ictx->argv = argv;
		rc = apk_hash_foreach(&db->available.packages,
				      match_packages, ictx);
	} else {
		for (i = 0; i < argc; i++) {
			name = apk_db_query_name(db, APK_BLOB_STR(argv[i]));
			if (name == NULL)
				continue;
			for (j = 0; j < name->pkgs->num; j++)
				ictx->print(name->pkgs->item[j]);
		}
	}

	return rc;
}

static struct apk_option search_options[] = {
	{ 'd', "description",	"Search also package descriptions" },
	{ 'r', "rdepends",	"Print reverse dependencies of package" },
};

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),
	.num_options = ARRAY_SIZE(search_options),
	.options = search_options,
	.parse = search_parse,
	.main = search_main,
};

APK_DEFINE_APPLET(apk_search);