Version.h

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// Copyright Onix Solutions Limited [OnixS]. All rights reserved.
//
// This software owned by Onix Solutions Limited [OnixS] and is
// protected by copyright law and international copyright treaties.
//
// Access to and use of the software is governed by the terms of the applicable
// OnixS Software Services Agreement (the Agreement) and Customer end user license
// agreements granting a non-assignable, non-transferable and non-exclusive license
// to use the software for it's own data processing purposes under the terms defined
// in the Agreement.
//
// Except as otherwise granted within the terms of the Agreement, copying or
// reproduction of any part of this source code or associated reference material
// to any other location for further reproduction or redistribution, and any
// amendments to this copyright notice, are expressly prohibited.
//
// Any reproduction or redistribution for sale or hiring of the Software not in
// accordance with the terms of the Agreement is a violation of copyright law.
//
 
#pragma once
 
#include <string>
 
#include <OnixS/CME/MDH/String.h>
#include <OnixS/CME/MDH/Integral.h>
 
ONIXS_CMEMDH_NAMESPACE_BEGIN

typedef UInt16 VersionComponent;

class ONIXS_CMEMDH_LTWT Version
{
public:
    typedef VersionComponent Component;

    Version(Component major, Component minor, Component patch)
        : major_(major)
        , minor_(minor)
        , patch_(patch)
    {
    }

    Version(const Version& other)
        : major_(other.major_)
        , minor_(other.minor_)
        , patch_(other.patch_)
    {
    }

    Component(major)() const
    {
        return major_;
    }

    Component(minor)() const
    {
        return minor_;
    }

    Component patch() const
    {
        return patch_;
    }

    Version& operator=(const Version& other)
    {
        major_ = other.major_;
        minor_ = other.minor_;
        patch_ = other.patch_;
 
        return *this;
    }

    ONIXS_CMEMDH_LTWT_EXPORTED
    static Version current();
 
private:
    VersionComponent major_;
    VersionComponent minor_;
    VersionComponent patch_;
};

inline bool operator==(const Version& left, const Version& right)
{
    return ((left.major)() == (right.major)() && (left.minor)() == (right.minor)() && left.patch() == right.patch());
}

inline bool operator!=(const Version& left, const Version& right)
{
    return !(left == right);
}

inline bool operator<(const Version& left, const Version& right)
{
    return (
        (left.major)() < (right.major)() || ((left.major)() == (right.major)() && (left.minor)() < (right.minor)())
        || ((left.major)() == (right.major)() && (left.minor)() == (right.minor)() && left.patch() < right.patch())
    );
}

inline bool operator>(const Version& left, const Version& right)
{
    return (right < left);
}

ONIXS_CMEMDH_EXPORTED
bool fromStr(const Char*, size_t, Version&);

ONIXS_CMEMDH_EXPORTED
void toStr(std::string&, const Version&);

inline std::string toStr(const Version& version)
{
    std::string str;
 
    toStr(str, version);
 
    return str;
}
 
ONIXS_CMEMDH_NAMESPACE_END