summaryrefslogtreecommitdiff
path: root/lang/cpp/src/engineinfo.h
blob: aa6fccafa4197e3aa082b0e1fc04f51c869b1809 (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
/*
  engineinfo.h
  Copyright (C) 2004 Klarälvdalens Datakonsult AB

  This file is part of GPGME++.

  GPGME++ is free software; you can redistribute it and/or
  modify it under the terms of the GNU Library General Public
  License as published by the Free Software Foundation; either
  version 2 of the License, or (at your option) any later version.

  GPGME++ 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 Library General Public License for more details.

  You should have received a copy of the GNU Library General Public License
  along with GPGME++; see the file COPYING.LIB.  If not, write to the
  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  Boston, MA 02110-1301, USA.
*/

#ifndef __GPGMEPP_ENGINEINFO_H__
#define __GPGMEPP_ENGINEINFO_H__

#include "global.h"

#include <memory>

#include <algorithm>
#include <string>
#include <iostream>

namespace GpgME
{

class GPGMEPP_EXPORT EngineInfo
{
public:
    struct Version
    {
        int major, minor, patch;
        Version()
        {
          major = 0;
          minor = 0;
          patch = 0;
        }

        Version(const std::string& version)
        {
            if (version.empty() ||
                std::sscanf(version.c_str(), "%d.%d.%d", &major, &minor, &patch) != 3) {
                major = 0;
                minor = 0;
                patch = 0;
            }
        }

        Version(const char *version)
        {
            if (!version ||
                std::sscanf(version, "%d.%d.%d", &major, &minor, &patch) != 3) {
                major = 0;
                minor = 0;
                patch = 0;
            }
        }

        bool operator < (const Version& other)
        {
            if (major < other.major)
                return true;
            if (minor < other.minor)
                return true;
            if (patch < other.patch)
                return true;
            return false;
        }

        bool operator < (const char* other)
        {
            return operator<(Version(other));
        }

        bool operator == (const Version& other)
        {
            return major == other.major
                && minor == other.minor
                && patch == other.patch;
        }

        bool operator == (const char* other)
        {
            return operator==(Version(other));
        }

        friend std::ostream& operator << (std::ostream& stream, const Version& ver)
        {
            stream << ver.major;
            stream << '.';
            stream << ver.minor;
            stream << '.';
            stream << ver.patch;
            return stream;
        }
    };

    EngineInfo();
    explicit EngineInfo(gpgme_engine_info_t engine);

    const EngineInfo &operator=(EngineInfo other)
    {
        swap(other);
        return *this;
    }

    void swap(EngineInfo &other)
    {
        using std::swap;
        swap(this->d, other.d);
    }

    bool isNull() const;

    Protocol protocol() const;
    const char *fileName() const;
    const char *version() const;
    Version engineVersion() const;
    const char *requiredVersion() const;
    const char *homeDirectory() const;

private:
    class Private;
    std::shared_ptr<Private> d;
};

}

GPGMEPP_MAKE_STD_SWAP_SPECIALIZATION(EngineInfo)

#endif // __GPGMEPP_ENGINEINFO_H__