mirror/raw_ptr/int_seq_cmp.hpp

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#ifndef MIRROR_RAW_PTR_INT_SEQ_CMP_1103080409_HPP
#define MIRROR_RAW_PTR_INT_SEQ_CMP_1103080409_HPP

MIRROR_NAMESPACE_BEGIN
namespace aux {

// @c std::type_info - based type comparator
class int_seq_type_cmp
{
private:
    typedef unsigned short id_type;
    id_type the_id;

    // getter member function
    id_type get(void) const
    {
        return the_id;
    }

    static id_type next_id(void)
    {
        static id_type id = 0;
        return ++id;
    }

    template <typename T>
    static id_type do_create(void)
    {
        static id_type id = next_id();
        return id;
    }
public:
    typedef int_seq_type_cmp type;

    template <typename T>
    static id_type create(void)
    {
        return do_create<typename std::remove_cv<T>::type>();
    }

    int_seq_type_cmp(id_type an_id)
     : the_id(an_id)
    { }


    friend bool operator == (
        const int_seq_type_cmp& a,
        const int_seq_type_cmp& b
    ) { return a.get() == b.get(); }

    friend bool operator != (
        const int_seq_type_cmp& a,
        const int_seq_type_cmp& b
    ) { return a.get() != b.get(); }

    friend bool operator <  (
        const int_seq_type_cmp& a,
        const int_seq_type_cmp& b
    ) { return a.get() <  b.get(); }

    friend bool operator >  (
        const int_seq_type_cmp& a,
        const int_seq_type_cmp& b
    ) { return a.get() >  b.get(); }

    friend bool operator <= (
        const int_seq_type_cmp& a,
        const int_seq_type_cmp& b
    ) { return a.get() <= b.get(); }

    friend bool operator >= (
        const int_seq_type_cmp& a,
        const int_seq_type_cmp& b
    ) { return a.get() >= b.get(); }
};

} // namespace aux
MIRROR_NAMESPACE_END

#endif // MIRROR_RAW_PTR_TYPE_INFO_CMP_HPP