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/*
engineinfo.h
Copyright (C) 2004 Klarälvdalens Datakonsult AB
2016 Bundesamt für Sicherheit in der Informationstechnik
Software engineering by Intevation GmbH
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) const
{
if (major > other.major ||
(major == other.major && minor > other.minor) ||
(major == other.major && minor == other.minor && patch > other.patch) ||
(major >= other.major && minor >= other.minor && patch >= other.patch)) {
return false;
}
return true;
}
bool operator < (const char* other) const
{
return operator<(Version(other));
}
bool operator <= (const Version &other) const
{
return !operator>(other);
}
bool operator <= (const char *other) const
{
return operator<=(Version(other));
}
bool operator > (const char* other) const
{
return operator>(Version(other));
}
bool operator > (const Version & other) const
{
return !operator<(other) && !operator==(other);
}
bool operator >= (const Version &other) const
{
return !operator<(other);
}
bool operator >= (const char *other) const
{
return operator>=(Version(other));
}
bool operator == (const Version& other) const
{
return major == other.major
&& minor == other.minor
&& patch == other.patch;
}
bool operator == (const char* other) const
{
return operator==(Version(other));
}
bool operator != (const Version &other) const
{
return !operator==(other);
}
bool operator != (const char *other) const
{
return operator!=(Version(other));
}
// the non-const overloads of the comparison operators are kept for
// binary compatibility
bool operator < (const Version& other)
{
if (major > other.major ||
(major == other.major && minor > other.minor) ||
(major == other.major && minor == other.minor && patch > other.patch) ||
(major >= other.major && minor >= other.minor && patch >= other.patch)) {
return false;
}
return true;
}
bool operator < (const char* other)
{
return operator<(Version(other));
}
bool operator <= (const Version &other)
{
return !operator>(other);
}
bool operator <= (const char *other)
{
return operator<=(Version(other));
}
bool operator > (const char* other)
{
return operator>(Version(other));
}
bool operator > (const Version & other)
{
return !operator<(other) && !operator==(other);
}
bool operator >= (const Version &other)
{
return !operator<(other);
}
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));
}
bool operator != (const Version &other)
{
return !operator==(other);
}
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);
EngineInfo(const EngineInfo &other) = default;
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__
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