Line data    Source code

       1             : /*
       2             :   engineinfo.h
       3             :   Copyright (C) 2004 Klarälvdalens Datakonsult AB
       4             : 
       5             :   This file is part of GPGME++.
       6             : 
       7             :   GPGME++ is free software; you can redistribute it and/or
       8             :   modify it under the terms of the GNU Library General Public
       9             :   License as published by the Free Software Foundation; either
      10             :   version 2 of the License, or (at your option) any later version.
      11             : 
      12             :   GPGME++ is distributed in the hope that it will be useful,
      13             :   but WITHOUT ANY WARRANTY; without even the implied warranty of
      14             :   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      15             :   GNU Library General Public License for more details.
      16             : 
      17             :   You should have received a copy of the GNU Library General Public License
      18             :   along with GPGME++; see the file COPYING.LIB.  If not, write to the
      19             :   Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
      20             :   Boston, MA 02110-1301, USA.
      21             : */
      22             : 
      23             : #ifndef __GPGMEPP_ENGINEINFO_H__
      24             : #define __GPGMEPP_ENGINEINFO_H__
      25             : 
      26             : #include "global.h"
      27             : 
      28             : #include <memory>
      29             : 
      30             : #include <algorithm>
      31             : #include <string>
      32             : #include <iostream>
      33             : 
      34             : namespace GpgME
      35             : {
      36             : 
      37           8 : class GPGMEPP_EXPORT EngineInfo
      38             : {
      39             : public:
      40             :     struct Version
      41             :     {
      42             :         int major, minor, patch;
      43           0 :         Version()
      44             :         {
      45           0 :           major = 0;
      46           0 :           minor = 0;
      47           0 :           patch = 0;
      48           0 :         }
      49             : 
      50             :         Version(const std::string& version)
      51             :         {
      52             :             if (version.empty() ||
      53             :                 std::sscanf(version.c_str(), "%d.%d.%d", &major, &minor, &patch) != 3) {
      54             :                 major = 0;
      55             :                 minor = 0;
      56             :                 patch = 0;
      57             :             }
      58             :         }
      59             : 
      60          19 :         Version(const char *version)
      61             :         {
      62          38 :             if (!version ||
      63          19 :                 std::sscanf(version, "%d.%d.%d", &major, &minor, &patch) != 3) {
      64           0 :                 major = 0;
      65           0 :                 minor = 0;
      66           0 :                 patch = 0;
      67             :             }
      68          19 :         }
      69             : 
      70          11 :         bool operator < (const Version& other)
      71             :         {
      72          11 :             if (major < other.major)
      73           0 :                 return true;
      74          11 :             if (minor < other.minor)
      75           0 :                 return true;
      76          11 :             if (patch < other.patch)
      77           0 :                 return true;
      78          11 :             return false;
      79             :         }
      80             : 
      81          11 :         bool operator < (const char* other)
      82             :         {
      83          11 :             return operator<(Version(other));
      84             :         }
      85             : 
      86             :         bool operator == (const Version& other)
      87             :         {
      88             :             return major == other.major
      89             :                 && minor == other.minor
      90             :                 && patch == other.patch;
      91             :         }
      92             : 
      93             :         bool operator == (const char* other)
      94             :         {
      95             :             return operator==(Version(other));
      96             :         }
      97             : 
      98           0 :         friend std::ostream& operator << (std::ostream& stream, const Version& ver)
      99             :         {
     100           0 :             stream << ver.major;
     101           0 :             stream << '.';
     102           0 :             stream << ver.minor;
     103           0 :             stream << '.';
     104           0 :             stream << ver.patch;
     105           0 :             return stream;
     106             :         }
     107             :     };
     108             : 
     109             :     EngineInfo();
     110             :     explicit EngineInfo(gpgme_engine_info_t engine);
     111             : 
     112             :     const EngineInfo &operator=(EngineInfo other)
     113             :     {
     114             :         swap(other);
     115             :         return *this;
     116             :     }
     117             : 
     118             :     void swap(EngineInfo &other)
     119             :     {
     120             :         using std::swap;
     121             :         swap(this->d, other.d);
     122             :     }
     123             : 
     124             :     bool isNull() const;
     125             : 
     126             :     Protocol protocol() const;
     127             :     const char *fileName() const;
     128             :     const char *version() const;
     129             :     Version engineVersion() const;
     130             :     const char *requiredVersion() const;
     131             :     const char *homeDirectory() const;
     132             : 
     133             : private:
     134             :     class Private;
     135             :     std::shared_ptr<Private> d;
     136             : };
     137             : 
     138             : }
     139             : 
     140             : GPGMEPP_MAKE_STD_SWAP_SPECIALIZATION(EngineInfo)
     141             : 
     142             : #endif // __GPGMEPP_ENGINEINFO_H__