torc/common/DottedVersion.hpp

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// Torc - Copyright 2011 University of Southern California.  All Rights Reserved.
// $HeadURL: https://torc-isi.svn.sourceforge.net/svnroot/torc-isi/branches/staging/0.9/src/torc/common/DottedVersion.hpp $
// $Id: DottedVersion.hpp 10 2011-10-12 18:40:16Z nsteiner $

// This program is free software: you can redistribute it and/or modify it under the terms of the 
// GNU General Public License as published by the Free Software Foundation, either version 3 of the 
// License, or (at your option) any later version.
// 
// This program 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, see <http://www.gnu.org/licenses/>.

/// \file
/// \brief Header for the DottedVersion class.

#ifndef TORC_COMMON_DOTTEDVERSION_HPP
#define TORC_COMMON_DOTTEDVERSION_HPP

#include <boost/cstdint.hpp>

namespace torc {
namespace common {

    /// \brief Encapsulation of dotted decimal DottedVersion numbers.
    struct DottedVersion {
        typedef boost::uint8_t uint8_t;
        uint8_t mMajor;
        uint8_t mMinor;
        uint8_t mRevision;
        uint8_t mReserved;
    // constructors
        DottedVersion(uint8_t inMajor = 0, uint8_t inMinor = 0, uint8_t inRevision = 0, 
            uint8_t inReserved = 0) : mMajor(inMajor), mMinor(inMinor), mRevision(inRevision), 
            mReserved(inReserved) {}
    // operators
        bool operator ==(const DottedVersion& rhs) const {
            return mMajor == rhs.mMajor && mMinor == rhs.mMinor && mRevision == rhs.mRevision;
        }
        bool operator >(const DottedVersion& rhs) const {
            if(mMajor > rhs.mMajor) return true;
            if(mMajor < rhs.mMajor) return false;
            if(mMinor > rhs.mMinor) return true;
            if(mMinor < rhs.mMinor) return false;
            if(mRevision > rhs.mRevision) return true;
            return false;
        }
        bool operator >=(const DottedVersion& rhs) const {
            if(mMajor < rhs.mMajor) return false;
            if(mMajor > rhs.mMajor) return true;
            if(mMinor < rhs.mMinor) return false;
            if(mMinor > rhs.mMinor) return true;
            if(mRevision < rhs.mRevision) return false;
            return true;
        }
        bool operator <(const DottedVersion& rhs) const {
            if(mMajor < rhs.mMajor) return true;
            if(mMajor > rhs.mMajor) return false;
            if(mMinor < rhs.mMinor) return true;
            if(mMinor > rhs.mMinor) return false;
            if(mRevision < rhs.mRevision) return true;
            return false;
        }
        bool operator <=(const DottedVersion& rhs) const {
            if(mMajor > rhs.mMajor) return false;
            if(mMajor < rhs.mMajor) return true;
            if(mMinor > rhs.mMinor) return false;
            if(mMinor > rhs.mMinor) return true;
            if(mRevision > rhs.mRevision) return false;
            return true;
        }
    };

} // namespace common
} // namespace torc

#endif // TORC_COMMON_DOTTEDVERSION_HPP

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