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/Streamlined/String.h>
#include <OnixS/CME/Streamlined/Integral.h>
 
ONIXS_CMESTREAMLINEDMDH_NAMESPACE_BEGIN

ONIXS_CMESTREAMLINEDMDH_LTWT_CLASS Version
{
public:
    typedef UInt16 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_CMESTREAMLINEDMDH_LTWT_EXPORTED 
    static Version current();
 
private:
    Component major_;
    Component minor_;
    Component 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_CMESTREAMLINEDMDH_EXPORTED
bool 
fromStr(
    const Char*,
    size_t,
    Version&);

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

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