i_version.hpp

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// i_version.hpp
/*
 *  Copyright (c) 2007 Leigh Johnston.
 *
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are
 *  met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *
 *     * Neither the name of Leigh Johnston nor the names of any
 *       other contributors to this software may be used to endorse or
 *       promote products derived from this software without specific prior
 *       written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 *  IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 *  THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 *  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 *  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
 
#pragma once
 
#include <neolib/neolib.hpp>
#include <cstdint>
#include <iostream>
#include <sstream>
#include <neolib/core/i_string.hpp>
 
namespace neolib
{
    class i_version
    {
    public:
        virtual uint32_t version_major() const = 0;
        virtual uint32_t version_minor() const = 0;
        virtual uint32_t version_maintenance() const = 0;
        virtual uint32_t version_build() const = 0;
        virtual const i_string& version_name() const = 0;
    };
 
    inline std::ostream& operator<<(std::ostream& aStream, const i_version& aVersion)
    {
        aStream << aVersion.version_major() << "." << aVersion.version_minor() << "." << aVersion.version_maintenance();
        if (aVersion.version_build() != 0)
            aStream << "." << aVersion.version_build();
        if (!aVersion.version_name().empty())
            aStream << " " << aVersion.version_name();
        return aStream;
    }
 
    inline std::string to_string(const i_version& aVersion)
    {
        std::stringstream oss;
        oss << aVersion;
        return oss.str();
    }
}