1 : // -*- mode: c++; indent-tabs-mode: t -*-
2 : /** \file
3 : * debtags paths
4 : */
5 :
6 : /*
7 : * Copyright (C) 2005,2006,2007 Enrico Zini <enrico@debian.org>
8 : *
9 : * This program is free software; you can redistribute it and/or modify
10 : * it under the terms of the GNU General Public License as published by
11 : * the Free Software Foundation; either version 2 of the License, or
12 : * (at your option) any later version.
13 : *
14 : * This program is distributed in the hope that it will be useful,
15 : * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 : * GNU General Public License for more details.
18 : *
19 : * You should have received a copy of the GNU General Public License
20 : * along with this program; if not, write to the Free Software
21 : * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 : */
23 :
24 : #include <string>
25 :
26 : struct stat;
27 :
28 : #ifndef EPT_DEBTAGS_PATH_H
29 : #define EPT_DEBTAGS_PATH_H
30 :
31 : namespace ept {
32 : namespace debtags {
33 :
34 : /**
35 : * Singleton class to configure and access the various Debtags paths
36 : */
37 : class Path
38 1 : {
39 : public:
40 : static std::string vocabulary();
41 : static std::string vocabularyIndex();
42 : static std::string userVocabulary();
43 : static std::string userVocabularyIndex();
44 : static std::string tagdb();
45 : static std::string tagdbIndex();
46 : static std::string userTagdb();
47 : static std::string userTagdbIndex();
48 : static std::string pkgidx();
49 : static std::string userPkgidx();
50 :
51 : static std::string debtagsSourceDir();
52 : static std::string debtagsIndexDir();
53 : static std::string debtagsUserSourceDir();
54 : static std::string debtagsUserIndexDir();
55 :
56 : // Directory where Debtags source data is found
57 : static void setDebtagsSourceDir( const std::string &s );
58 :
59 : // Directory where Debtags indexes are kept
60 : static void setDebtagsIndexDir( const std::string &s );
61 :
62 : // User-specific directory for Debtags source data
63 : static void setDebtagsUserSourceDir( const std::string &s );
64 :
65 : // User-specific directory for Debtags index data
66 : static void setDebtagsUserIndexDir( const std::string &s );
67 :
68 : static int access( const std::string &, int );
69 : static time_t timestamp( const std::string& );
70 :
71 : // RAII-style classes to temporarily override directories
72 : class OverrideDebtagsSourceDir
73 : {
74 : std::string old;
75 : public:
76 31 : OverrideDebtagsSourceDir(const std::string& path) : old(Path::debtagsSourceDir())
77 : {
78 31 : Path::setDebtagsSourceDir(path);
79 31 : }
80 31 : ~OverrideDebtagsSourceDir() { Path::setDebtagsSourceDir(old); }
81 : };
82 : class OverrideDebtagsIndexDir
83 : {
84 : std::string old;
85 : public:
86 31 : OverrideDebtagsIndexDir(const std::string& path) : old(Path::debtagsIndexDir())
87 : {
88 31 : Path::setDebtagsIndexDir(path);
89 31 : }
90 31 : ~OverrideDebtagsIndexDir() { Path::setDebtagsIndexDir(old); }
91 : };
92 : class OverrideDebtagsUserSourceDir
93 : {
94 : std::string old;
95 : public:
96 31 : OverrideDebtagsUserSourceDir(const std::string& path) : old(Path::debtagsUserSourceDir())
97 : {
98 31 : Path::setDebtagsUserSourceDir(path);
99 31 : }
100 31 : ~OverrideDebtagsUserSourceDir() { Path::setDebtagsUserSourceDir(old); }
101 : };
102 : class OverrideDebtagsUserIndexDir
103 : {
104 : std::string old;
105 : public:
106 31 : OverrideDebtagsUserIndexDir(const std::string& path) : old(Path::debtagsUserIndexDir())
107 : {
108 31 : Path::setDebtagsUserIndexDir(path);
109 31 : }
110 31 : ~OverrideDebtagsUserIndexDir() { Path::setDebtagsUserIndexDir(old); }
111 : };
112 : protected:
113 : static Path *s_instance;
114 : static Path &instance();
115 :
116 : // Directory where Debtags source data is found
117 : std::string m_debtagsSourceDir;
118 :
119 : // Directory where Debtags indexes are kept
120 : std::string m_debtagsIndexDir;
121 :
122 : // User-specific directory for Debtags source data
123 : std::string m_debtagsUserSourceDir;
124 :
125 : // User-specific directory for Debtags index data
126 : std::string m_debtagsUserIndexDir;
127 : };
128 :
129 : }
130 : }
131 :
132 : // vim:set ts=4 sw=4:
133 : #endif
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