summaryrefslogtreecommitdiff
path: root/src/search.c
blob: 84fcbb1b237475281751ed99fb878eea8623376d (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
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
/* 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 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 '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 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(*pmatch, pkg->description) != NULL ||
			    strstr(*pmatch, pkg->name->name) != NULL)
				goto match;
		}
		return;
	}
	if (ctx->search_origin) {
		foreach_array_item(pmatch, ctx->filter) {
			if (pkg->origin != NULL && strcmp(*pmatch, apk_blob_cstr(*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 (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_option search_options[] = {
	{ '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 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);