pext.hpp

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// SPDX-License-Identifier: BSD-3-Clause
/* Copyright 2016-2021, Intel Corporation */
 
#ifndef LIBPMEMOBJ_CPP_PEXT_HPP
#define LIBPMEMOBJ_CPP_PEXT_HPP
 
#include <iostream>
#include <libpmemobj++/p.hpp>
#include <limits>
 
namespace pmem
{
 
namespace obj
{
 
template <typename T>
std::ostream &
operator<<(std::ostream &os, const p<T> &pp)
{
    return os << pp.get_ro();
}
 
template <typename T>
std::istream &
operator>>(std::istream &is, p<T> &pp)
{
    is >> pp.get_rw();
    return is;
}
 
template <typename T>
p<T> &
operator++(p<T> &pp)
{
    ++(pp.get_rw());
    return pp;
}
 
template <typename T>
p<T> &
operator--(p<T> &pp)
{
    --(pp.get_rw());
    return pp;
}
 
template <typename T>
p<T>
operator++(p<T> &pp, int)
{
    p<T> temp = pp;
    ++pp;
    return temp;
}
 
template <typename T>
p<T>
operator--(p<T> &pp, int)
{
    p<T> temp = pp;
    --pp;
    return temp;
}
 
template <typename T, typename Y>
p<T> &
operator+=(p<T> &lhs, const p<Y> &rhs)
{
    lhs.get_rw() += rhs.get_ro();
    return lhs;
}
 
template <typename T, typename Y>
p<T> &
operator+=(p<T> &lhs, const Y &rhs)
{
    lhs.get_rw() += rhs;
    return lhs;
}
 
template <typename T, typename Y>
p<T> &
operator-=(p<T> &lhs, const p<Y> &rhs)
{
    lhs.get_rw() -= rhs.get_ro();
    return lhs;
}
 
template <typename T, typename Y>
p<T> &
operator-=(p<T> &lhs, const Y &rhs)
{
    lhs.get_rw() -= rhs;
    return lhs;
}
 
template <typename T, typename Y>
p<T> &
operator*=(p<T> &lhs, const p<Y> &rhs)
{
    lhs.get_rw() *= rhs.get_ro();
    return lhs;
}
 
template <typename T, typename Y>
p<T> &
operator*=(p<T> &lhs, const Y &rhs)
{
    lhs.get_rw() *= rhs;
    return lhs;
}
 
template <typename T, typename Y>
p<T> &
operator/=(p<T> &lhs, const p<Y> &rhs)
{
    lhs.get_rw() /= rhs.get_ro();
    return lhs;
}
 
template <typename T, typename Y>
p<T> &
operator/=(p<T> &lhs, const Y &rhs)
{
    lhs.get_rw() /= rhs;
    return lhs;
}
 
template <typename T, typename Y>
p<T> &
operator%=(p<T> &lhs, const p<Y> &rhs)
{
    lhs.get_rw() %= rhs.get_ro();
    return lhs;
}
 
template <typename T, typename Y>
p<T> &
operator%=(p<T> &lhs, const Y &rhs)
{
    lhs.get_rw() %= rhs;
    return lhs;
}
 
template <typename T, typename Y>
p<T> &
operator&=(p<T> &lhs, const p<Y> &rhs)
{
    lhs.get_rw() &= rhs.get_ro();
    return lhs;
}
 
template <typename T, typename Y>
p<T> &
operator&=(p<T> &lhs, const Y &rhs)
{
    lhs.get_rw() &= rhs;
    return lhs;
}
 
template <typename T, typename Y>
p<T> &
operator|=(p<T> &lhs, const p<Y> &rhs)
{
    lhs.get_rw() |= rhs.get_ro();
    return lhs;
}
 
template <typename T, typename Y>
p<T> &
operator|=(p<T> &lhs, const Y &rhs)
{
    lhs.get_rw() |= rhs;
    return lhs;
}
 
template <typename T, typename Y>
p<T> &
operator^=(p<T> &lhs, const p<Y> &rhs)
{
    lhs.get_rw() ^= rhs.get_ro();
    return lhs;
}
 
template <typename T, typename Y>
p<T> &
operator^=(p<T> &lhs, const Y &rhs)
{
    lhs.get_rw() ^= rhs;
    return lhs;
}
 
template <typename T, typename Y>
p<T> &
operator<<=(p<T> &lhs, const p<Y> &rhs)
{
    lhs.get_rw() = lhs.get_ro() << rhs.get_ro();
    return lhs;
}
 
template <typename T, typename Y>
p<T> &
operator<<=(p<T> &lhs, const Y &rhs)
{
    lhs.get_rw() = lhs.get_ro() << rhs;
    return lhs;
}
 
template <typename T, typename Y>
p<T> &
operator>>=(p<T> &lhs, const p<Y> &rhs)
{
    lhs.get_rw() = lhs.get_ro() >> rhs.get_ro();
    return lhs;
}
 
template <typename T, typename Y>
p<T> &
operator>>=(p<T> &lhs, const Y &rhs)
{
    lhs.get_rw() = lhs.get_ro() >> rhs;
    return lhs;
}
 
} /* namespace obj */
 
} /* namespace pmem */
 
namespace std
{
template <typename T>
struct numeric_limits<pmem::obj::p<T>> : public numeric_limits<T> {
 
    static constexpr bool is_specialized = true;
};
 
template <typename T>
struct less<pmem::obj::p<T>> {
    size_t
    operator()(const pmem::obj::p<T> &lhs, const pmem::obj::p<T> &rhs) const
    {
        return lhs.get_ro() < rhs.get_ro();
    }
};
 
} /* namespace std */
 
#endif /* LIBPMEMOBJ_CPP_PEXT_HPP */