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#ifndef EPT_APT_VERSION_H
#define EPT_APT_VERSION_H
/** \file
* Representation of a package with a version
*/
/*
* Copyright (C) 2007 Enrico Zini <enrico@enricozini.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <string>
namespace ept {
namespace apt {
/**
* Lightweight Version class that represent a package with a version, with very
* cheap value copy operations.
*
* This class can be used to query package information from various information
* sources. The purpose is create a middle ground that makes sure that all
* sort of different information sources about packages are referring to the
* same package.
*/
class Version
{
protected:
std::string m_name;
std::string m_version;
public:
/**
* Create an invalid Version
*/
Version() {}
/**
* Create a Version from strings
*/
Version(const std::string& name, const std::string& version)
: m_name(name), m_version(version) {}
/**
* Return the package name
*/
std::string name() const { return m_name; }
/**
* Return the package version, or the empty string if this is a
* versionless package.
*/
std::string version() const { return m_version; }
/**
* Return the upstream part of the version
*/
std::string upstreamVersion() const;
/**
* Return true if this package contains a valid value
*/
bool isValid() const { return !m_name.empty() && !m_version.empty(); }
/**
* Comparison operators
*/
bool operator==(const Version& pkg) const { return m_name == pkg.m_name && m_version == pkg.m_version; }
bool operator!=(const Version& pkg) const { return m_name != pkg.m_name || m_version != pkg.m_version; }
bool operator<=(const Version& pkg) const;
bool operator<(const Version& pkg) const;
bool operator>=(const Version& pkg) const;
bool operator>(const Version& pkg) const;
};
}
}
// vim:set ts=4 sw=4:
#endif
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