libept
debtags.h
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1// -*- mode: c++; tab-width: 4; indent-tabs-mode: t -*-
2/* @file
3 * @author Enrico Zini (enrico) <enrico@enricozini.org>
4 */
5
6/*
7 * libpkg Debtags data provider
8 *
9 * Copyright (C) 2003-2007 Enrico Zini <enrico@debian.org>
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 */
25
26#ifndef EPT_DEBTAGS_DEBTAGS_H
27#define EPT_DEBTAGS_DEBTAGS_H
28
30#include <string>
31
32namespace ept {
33namespace debtags {
34
47class Debtags : public coll::Fast
48{
49protected:
50 // User rc directory to store patches
51 std::string rcdir;
52
53 // Last modification timestamp of the index
55
56 void load(const std::string& pathname);
57
58public:
60 typedef std::pair< std::string, std::set<std::string> > value_type;
61
63 Debtags();
65 Debtags(const std::string& pathname);
67
69 time_t timestamp() const { return m_timestamp; }
70
72 bool hasData() const { return m_timestamp != 0; }
73
74 coll_type& tagdb() { return *this; }
75 const coll_type& tagdb() const { return *this; }
76
83 static std::string pathname();
84};
85
86}
87}
88
89// vim:set ts=4 sw=4:
90#endif
Access the on-disk Debtags tag database.
Definition: debtags.h:48
Debtags()
Create a Debtags object, reading the system database.
Definition: debtags.cc:42
const coll_type & tagdb() const
Definition: debtags.h:75
coll_type & tagdb()
Definition: debtags.h:74
static std::string pathname()
Return the default pathname for the debtags tags.
Definition: debtags.cc:77
time_t timestamp() const
Get the timestamp of when the index was last updated.
Definition: debtags.h:69
void load(const std::string &pathname)
Definition: debtags.cc:57
~Debtags()
Definition: debtags.h:66
std::string rcdir
Definition: debtags.h:51
ept::debtags::coll::Fast coll_type
Definition: debtags.h:59
time_t m_timestamp
Definition: debtags.h:54
std::pair< std::string, std::set< std::string > > value_type
Definition: debtags.h:60
bool hasData() const
Return true if this data source has data, false if it's empty.
Definition: debtags.h:72
In-memory collection with both item->tags and tag->items mappings.
Definition: fast.h:39
Fast index for tag data.
String functions.
Definition: apt.cc:40