version.h

/*
author          Oliver Blaser
date            08.12.2021
copyright       MIT - Copyright (c) 2021 Oliver Blaser
*/
 
#ifndef IG_OMW_VERSION_H
#define IG_OMW_VERSION_H
 
#include <iostream>
#include <string>
#include <vector>
 
namespace omw
{
    class Version
    {
    public:
        Version();
        Version(int major, int minor, int revision);
        explicit Version(const char* versionStr);
        explicit Version(const std::string& versionStr);
 
        int maj() const;
        int min() const;
        int rev() const;
 
        const int* data() const;
        size_t size() const;
 
        std::vector<int> toVector() const;
        std::string toString() const;
 
        friend bool operator<(const omw::Version& left, const omw::Version& right);
        friend bool operator>(const omw::Version& left, const omw::Version& right);
        friend bool operator<=(const omw::Version& left, const omw::Version& right);
        friend bool operator>=(const omw::Version& left, const omw::Version& right);
        friend bool operator==(const omw::Version& left, const omw::Version& right);
        friend bool operator!=(const omw::Version& left, const omw::Version& right);
 
        template<class CharT, class Traits = std::char_traits<CharT>>
        friend std::basic_ostream<CharT, Traits>& operator<<(std::basic_ostream<CharT, Traits>& os, const omw::Version& v) 
        {
            // since the version string consists only out of ASCII chars, here is no std::basic_ostream<c,t>::widen() needed.
            return (os << v.toString().c_str());
        }
 
    private:
        static constexpr size_t dataSize = 3;
        int version[dataSize];
 
        void setData(const std::string& versionStr);
    };
}
 
#endif // IG_OMW_VERSION_H