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allocation_ptr will be modified, renamed, and moved to detail
This commit is contained in:
Glen Fernandes
@@ -1,223 +0,0 @@
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/*
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Copyright 2019 Glen Joseph Fernandes
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(glenjofe@gmail.com)
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Distributed under the Boost Software License, Version 1.0.
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(http://www.boost.org/LICENSE_1_0.txt)
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*/
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#ifndef BOOST_SMART_PTR_ALLOCATION_PTR_HPP
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#define BOOST_SMART_PTR_ALLOCATION_PTR_HPP
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#include <boost/smart_ptr/detail/sp_noexcept.hpp>
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#include <boost/smart_ptr/detail/sp_nullptr_t.hpp>
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#include <boost/type_traits/remove_cv.hpp>
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#include <boost/assert.hpp>
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#if !defined(BOOST_NO_CXX11_ALLOCATOR)
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#include <memory>
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#endif
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namespace boost {
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namespace detail {
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#if !defined(BOOST_NO_CXX11_ALLOCATOR)
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template<class T, class A>
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struct sp_allocation_ptr {
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typedef typename std::allocator_traits<A>::template
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rebind_traits<typename boost::remove_cv<T>::type>::pointer type;
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};
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#else
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template<class T, class A>
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struct sp_allocation_ptr {
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typedef typename A::template
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rebind<typename boost::remove_cv<T>::type>::other::pointer type;
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};
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#endif
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} /* detail */
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template<class T, class A>
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class allocation_ptr {
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public:
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typedef typename detail::sp_allocation_ptr<T, A>::type pointer;
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typedef T element_type;
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allocation_ptr() BOOST_SP_NOEXCEPT
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: p_() { }
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#if !defined(BOOST_NO_CXX11_NULLPTR)
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allocation_ptr(detail::sp_nullptr_t) BOOST_SP_NOEXCEPT
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: p_() { }
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#endif
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explicit allocation_ptr(pointer p) BOOST_SP_NOEXCEPT
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: p_(p) { }
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T& operator*() const {
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return *p_;
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}
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pointer operator->() const BOOST_SP_NOEXCEPT {
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return p_;
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}
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pointer get() const BOOST_SP_NOEXCEPT {
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return p_;
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}
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#if !defined(BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS)
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explicit operator bool() const BOOST_SP_NOEXCEPT {
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return static_cast<bool>(p_);
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}
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#endif
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bool operator!() const BOOST_SP_NOEXCEPT {
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return !p_;
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}
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private:
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pointer p_;
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};
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template<class T, class A>
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class allocation_ptr<T[], A> {
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public:
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typedef typename detail::sp_allocation_ptr<T, A>::type pointer;
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typedef T element_type;
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allocation_ptr() BOOST_SP_NOEXCEPT
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: p_()
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, n_() { }
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#if !defined(BOOST_NO_CXX11_NULLPTR)
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allocation_ptr(detail::sp_nullptr_t) BOOST_SP_NOEXCEPT
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: p_()
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, n_() { }
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#endif
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allocation_ptr(pointer p, std::size_t n) BOOST_SP_NOEXCEPT
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: p_(p)
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, n_(n) { }
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T& operator[](std::size_t i) const BOOST_SP_NOEXCEPT_WITH_ASSERT {
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BOOST_ASSERT(i < n_);
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return p_[i];
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}
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pointer get() const BOOST_SP_NOEXCEPT {
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return p_;
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}
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std::size_t size() const BOOST_SP_NOEXCEPT {
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return n_;
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}
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#if !defined(BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS)
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explicit operator bool() const BOOST_SP_NOEXCEPT {
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return static_cast<bool>(p_);
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}
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#endif
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bool operator!() const BOOST_SP_NOEXCEPT {
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return !p_;
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}
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private:
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pointer p_;
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std::size_t n_;
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};
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template<class T, std::size_t N, class A>
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class allocation_ptr<T[N], A> {
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public:
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typedef typename detail::sp_allocation_ptr<T, A>::type pointer;
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typedef T element_type;
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allocation_ptr() BOOST_SP_NOEXCEPT
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: p_() { }
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#if !defined(BOOST_NO_CXX11_NULLPTR)
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allocation_ptr(detail::sp_nullptr_t) BOOST_SP_NOEXCEPT
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: p_() { }
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#endif
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explicit allocation_ptr(pointer p) BOOST_SP_NOEXCEPT
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: p_(p) { }
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T& operator[](std::size_t i) const BOOST_SP_NOEXCEPT_WITH_ASSERT {
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BOOST_ASSERT(i < N);
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return p_[i];
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}
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pointer get() const BOOST_SP_NOEXCEPT {
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return p_;
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}
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static std::size_t size() BOOST_SP_NOEXCEPT {
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return N;
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}
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#if !defined(BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS)
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explicit operator bool() const BOOST_SP_NOEXCEPT {
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return static_cast<bool>(p_);
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}
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#endif
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bool operator!() const BOOST_SP_NOEXCEPT {
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return !p_;
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}
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private:
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pointer p_;
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};
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template<class T, class A>
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inline bool
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operator==(const allocation_ptr<T, A>& lhs, const allocation_ptr<T, A>& rhs)
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{
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return lhs.get() == rhs.get();
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}
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template<class T, class A>
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inline bool
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operator!=(const allocation_ptr<T, A>& lhs, const allocation_ptr<T, A>& rhs)
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{
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return !(lhs == rhs);
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}
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#if !defined(BOOST_NO_CXX11_NULLPTR)
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template<class T, class A>
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inline bool
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operator==(const allocation_ptr<T, A>& lhs,
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detail::sp_nullptr_t) BOOST_SP_NOEXCEPT
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{
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return !lhs.get();
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}
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template<class T, class A>
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inline bool
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operator==(detail::sp_nullptr_t,
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const allocation_ptr<T, A>& rhs) BOOST_SP_NOEXCEPT
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{
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return !rhs.get();
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}
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template<class T, class A>
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inline bool
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operator!=(const allocation_ptr<T, A>& lhs,
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detail::sp_nullptr_t) BOOST_SP_NOEXCEPT
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{
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return static_cast<bool>(lhs.get());
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}
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template<class T, class A>
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inline bool
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operator!=(detail::sp_nullptr_t,
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const allocation_ptr<T, A>& rhs) BOOST_SP_NOEXCEPT
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{
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return static_cast<bool>(rhs.get());
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}
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#endif
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} /* boost */
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#endif
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