2012-11-06 14:17:32 +00:00
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/*
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* Copyright (c) 2012 Glen Joseph Fernandes
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* glenfe at live dot com
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*
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* Distributed under the Boost Software License,
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* Version 1.0. (See accompanying file LICENSE_1_0.txt
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* or copy at http://boost.org/LICENSE_1_0.txt)
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*/
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#ifndef BOOST_SMART_PTR_DETAIL_ARRAY_DELETER_HPP
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#define BOOST_SMART_PTR_DETAIL_ARRAY_DELETER_HPP
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#include <boost/config.hpp>
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#include <cstddef>
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namespace boost {
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namespace detail {
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template<typename T>
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class array_deleter {
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public:
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array_deleter()
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: size(0) {
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}
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~array_deleter() {
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destroy();
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}
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2012-11-07 18:58:41 +00:00
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void construct(T* memory, std::size_t count) {
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for (object = memory; size < count; size++) {
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2012-11-07 18:37:17 +00:00
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void* p1 = object + size;
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::new(p1) T();
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2012-11-06 14:17:32 +00:00
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}
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}
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#if defined(BOOST_HAS_VARIADIC_TMPL) && defined(BOOST_HAS_RVALUE_REFS)
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template<typename... Args>
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2012-11-07 18:58:41 +00:00
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void construct(T* memory, std::size_t count, Args&&... args) {
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for (object = memory; size < count; size++) {
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2012-11-07 18:37:17 +00:00
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void* p1 = object + size;
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::new(p1) T(args...);
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2012-11-06 14:17:32 +00:00
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}
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}
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2012-11-09 06:17:05 +00:00
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#endif
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#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
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2012-11-10 01:33:29 +00:00
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void construct_list(T* memory, std::size_t count, const T* list) {
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2012-11-09 06:17:05 +00:00
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for (object = memory; size < count; size++) {
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void* p1 = object + size;
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::new(p1) T(list[size]);
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}
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}
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2012-11-10 01:33:29 +00:00
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void construct_list(T* memory, std::size_t count, const T* list, std::size_t n) {
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for (object = memory; size < count; size++) {
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void* p1 = object + size;
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::new(p1) T(list[size % n]);
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}
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}
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2012-11-06 14:17:32 +00:00
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#endif
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2012-11-07 18:58:41 +00:00
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void construct_noinit(T* memory, std::size_t count) {
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for (object = memory; size < count; size++) {
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2012-11-07 18:37:17 +00:00
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void* p1 = object + size;
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::new(p1) T;
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2012-11-06 14:17:32 +00:00
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}
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}
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2012-11-07 18:37:17 +00:00
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void operator()(const void*) {
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2012-11-06 14:17:32 +00:00
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destroy();
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}
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private:
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void destroy() {
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while (size > 0) {
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2012-11-07 18:37:17 +00:00
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object[--size].~T();
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2012-11-06 14:17:32 +00:00
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}
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}
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std::size_t size;
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T* object;
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};
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2012-11-28 06:07:45 +00:00
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template<typename T, std::size_t N>
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class array_deleter<T[N]> {
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public:
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array_deleter()
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: object(0) {
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}
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~array_deleter() {
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destroy();
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}
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void construct(T* memory) {
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object = memory;
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for (std::size_t i = 0; i < N; i++) {
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void* p1 = object + i;
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::new(p1) T();
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}
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}
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#if defined(BOOST_HAS_VARIADIC_TMPL) && defined(BOOST_HAS_RVALUE_REFS)
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template<typename... Args>
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void construct(T* memory, Args&&... args) {
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object = memory;
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for (std::size_t i = 0; i < N; i++) {
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void* p1 = object + i;
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::new(p1) T(args...);
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}
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}
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#endif
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#if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST)
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void construct_list(T* memory, const T* list) {
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object = memory;
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for (std::size_t i = 0; i < N; i++) {
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void* p1 = object + i;
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::new(p1) T(list[i]);
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}
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}
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void construct_list(T* memory, const T* list, std::size_t n) {
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object = memory;
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for (std::size_t i = 0; i < N; i++) {
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void* p1 = object + i;
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::new(p1) T(list[i % n]);
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}
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}
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#endif
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void construct_noinit(T* memory) {
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object = memory;
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for (std::size_t i = 0; i < N; i++) {
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void* p1 = object + i;
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::new(p1) T;
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}
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}
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void operator()(const void*) {
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destroy();
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}
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private:
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void destroy() {
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if (object) {
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for (std::size_t i = N; i > 0; ) {
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object[--i].~T();
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}
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object = 0;
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}
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}
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T* object;
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};
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2012-11-06 14:17:32 +00:00
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}
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}
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#endif
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