aboutsummaryrefslogtreecommitdiff
path: root/paludis/environments/paludis/keywords_conf.cc
blob: d40bc4e446c357bec09dfeadc1291e6a830868b0 (plain)
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
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
/* vim: set sw=4 sts=4 et foldmethod=syntax : */

/*
 * Copyright (c) 2007, 2008, 2009, 2010 Ciaran McCreesh
 *
 * This file is part of the Paludis package manager. Paludis 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.
 *
 * Paludis is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 * Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "keywords_conf.hh"
#include <paludis/environment.hh>
#include <paludis/name.hh>
#include <paludis/dep_spec.hh>
#include <paludis/spec_tree.hh>
#include <paludis/user_dep_spec.hh>
#include <paludis/match_package.hh>
#include <paludis/util/config_file.hh>
#include <paludis/util/options.hh>
#include <paludis/package_id.hh>
#include <paludis/environments/paludis/paludis_environment.hh>
#include <paludis/environments/paludis/bashable_conf.hh>
#include <paludis/util/log.hh>
#include <paludis/util/pimp-impl.hh>
#include <paludis/util/tokeniser.hh>
#include <paludis/util/iterator_funcs.hh>
#include <paludis/util/wrapped_forward_iterator.hh>
#include <paludis/util/mutex.hh>
#include <paludis/util/set.hh>
#include <paludis/util/hashes.hh>
#include <paludis/util/make_null_shared_ptr.hh>
#include <unordered_map>
#include <list>
#include <vector>
#include <map>

using namespace paludis;
using namespace paludis::paludis_environment;

typedef std::list<KeywordName> KeywordsList;
typedef std::map<std::shared_ptr<const PackageDepSpec>, KeywordsList> PDSToKeywordsList;
typedef std::pair<std::shared_ptr<const SetSpecTree>, KeywordsList> SetNameEntry;

typedef std::unordered_map<QualifiedPackageName, PDSToKeywordsList, Hash<QualifiedPackageName> > SpecificMap;
typedef PDSToKeywordsList UnspecificMap;
typedef std::unordered_map<SetName, SetNameEntry, Hash<SetName> > NamedSetMap;

namespace paludis
{
    template<>
    struct Imp<KeywordsConf>
    {
        const PaludisEnvironment * const env;

        SpecificMap qualified;
        UnspecificMap unqualified;
        mutable NamedSetMap set;
        mutable Mutex set_mutex;

        Imp(const PaludisEnvironment * const e) :
            env(e)
        {
        }
    };
}

KeywordsConf::KeywordsConf(const PaludisEnvironment * const e) :
    Pimp<KeywordsConf>(e)
{
}

KeywordsConf::~KeywordsConf()
{
}

void
KeywordsConf::add(const FSPath & filename)
{
    Context context("When adding source '" + stringify(filename) + "' as a keywords file:");

    std::shared_ptr<LineConfigFile> f(make_bashable_conf(filename, { }));
    if (! f)
        return;

    for (LineConfigFile::ConstIterator line(f->begin()), line_end(f->end()) ;
            line != line_end ; ++line)
    {
        std::vector<std::string> tokens;
        tokenise_whitespace_quoted(*line, std::back_inserter(tokens));

        if (tokens.size() < 2)
            continue;

        try
        {
            std::shared_ptr<PackageDepSpec> d(std::make_shared<PackageDepSpec>(parse_user_package_dep_spec(
                            tokens.at(0), _imp->env, { updso_allow_wildcards, updso_no_disambiguation, updso_throw_if_set })));
            if (d->package_ptr())
            {
                KeywordsList & k(_imp->qualified[*d->package_ptr()][d]);
                for (std::vector<std::string>::const_iterator t(next(tokens.begin())), t_end(tokens.end()) ;
                        t != t_end ; ++t)
                    k.push_back(KeywordName(*t));
            }
            else
            {
                KeywordsList & k(_imp->unqualified[d]);
                for (std::vector<std::string>::const_iterator t(next(tokens.begin())), t_end(tokens.end()) ;
                        t != t_end ; ++t)
                    k.push_back(KeywordName(*t));
            }
        }
        catch (const GotASetNotAPackageDepSpec &)
        {
            NamedSetMap::iterator i(_imp->set.insert(std::make_pair(SetName(tokens.at(0)), std::make_pair(
                                make_null_shared_ptr(), KeywordsList()))).first);

            for (std::vector<std::string>::const_iterator t(next(tokens.begin())), t_end(tokens.end()) ;
                    t != t_end ; ++t)
                i->second.second.push_back(KeywordName(*t));
        }
    }
}

bool
KeywordsConf::query(const std::shared_ptr<const KeywordNameSet> & k, const PackageID & e) const
{
    static const KeywordName star_keyword("*");
    static const KeywordName minus_star_keyword("-*");

    if (k->end() != k->find(star_keyword))
        return true;

    /* highest priority: specific */
    bool break_when_done(false);
    {
        SpecificMap::const_iterator i(_imp->qualified.find(e.name()));
        if (i != _imp->qualified.end())
        {
            for (PDSToKeywordsList::const_iterator j(i->second.begin()), j_end(i->second.end()) ;
                    j != j_end ; ++j)
            {
                if (! match_package(*_imp->env, *j->first, e, { }))
                    continue;

                for (KeywordsList::const_iterator l(j->second.begin()), l_end(j->second.end()) ;
                        l != l_end ; ++l)
                {
                    if (*l == star_keyword)
                        return true;

                    else if (*l == minus_star_keyword)
                        break_when_done = true;

                    else if (k->end() != k->find(*l))
                        return true;
                }
            }
        }
    }

    if (break_when_done)
        return false;

    /* next: named sets */
    {
        Lock lock(_imp->set_mutex);

        for (NamedSetMap::iterator i(_imp->set.begin()), i_end(_imp->set.end()) ;
                 i != i_end ; ++i)
        {
            if (! i->second.first)
            {
                i->second.first = _imp->env->set(i->first);
                if (! i->second.first)
                {
                    Log::get_instance()->message("paludis_environment.keywords_conf.unknown_set", ll_warning, lc_no_context) << "Set name '"
                        << i->first << "' does not exist";
                    i->second.first = std::make_shared<SetSpecTree>(std::make_shared<AllDepSpec>());
                }
            }

            if (! match_package_in_set(*_imp->env, *i->second.first, e, { }))
                continue;

            for (KeywordsList::const_iterator l(i->second.second.begin()), l_end(i->second.second.end()) ;
                    l != l_end ; ++l)
            {
                if (k->end() != k->find(*l))
                    return true;

                if (*l == star_keyword)
                    return true;

                if (*l == minus_star_keyword)
                    break_when_done = true;
            }
        }
    }


    if (break_when_done)
        return false;

    /* last: unspecific */
    for (PDSToKeywordsList::const_iterator j(_imp->unqualified.begin()), j_end(_imp->unqualified.end()) ;
            j != j_end ; ++j)
    {
        if (! match_package(*_imp->env, *j->first, e, { }))
            continue;

        for (KeywordsList::const_iterator l(j->second.begin()), l_end(j->second.end()) ;
                l != l_end ; ++l)
        {
            if (k->end() != k->find(*l))
                return true;

            if (*l == star_keyword)
                return true;
        }
    }

    return false;
}