diff -r 000000000000 -r e4d67989cc36 ossrv_pub/boost_apis/boost/shared_array.hpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ossrv_pub/boost_apis/boost/shared_array.hpp Tue Feb 02 02:01:42 2010 +0200 @@ -0,0 +1,177 @@ +#ifndef BOOST_SHARED_ARRAY_HPP_INCLUDED +#define BOOST_SHARED_ARRAY_HPP_INCLUDED + +// +// shared_array.hpp +// +// (C) Copyright Greg Colvin and Beman Dawes 1998, 1999. +// Copyright (c) 2001, 2002 Peter Dimov +// +// Distributed under the Boost Software License, Version 1.0. (See +// accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) +// +// See http://www.boost.org/libs/smart_ptr/shared_array.htm for documentation. +// + +#include // for broken compiler workarounds + +#if defined(BOOST_NO_MEMBER_TEMPLATES) && !defined(BOOST_MSVC6_MEMBER_TEMPLATES) +#include +#else + +#include // TR1 cyclic inclusion fix + +#include +#include + +#include +#include + +#include // for std::ptrdiff_t +#include // for std::swap +#include // for std::less + +namespace boost +{ + +// +// shared_array +// +// shared_array extends shared_ptr to arrays. +// The array pointed to is deleted when the last shared_array pointing to it +// is destroyed or reset. +// + +template class shared_array +{ +private: + + // Borland 5.5.1 specific workarounds + typedef checked_array_deleter deleter; + typedef shared_array this_type; + +public: + + typedef T element_type; + + explicit shared_array(T * p = 0): px(p), pn(p, deleter()) + { + } + + // + // Requirements: D's copy constructor must not throw + // + // shared_array will release p by calling d(p) + // + + template shared_array(T * p, D d): px(p), pn(p, d) + { + } + +// generated copy constructor, assignment, destructor are fine + + void reset(T * p = 0) + { + BOOST_ASSERT(p == 0 || p != px); + this_type(p).swap(*this); + } + + template void reset(T * p, D d) + { + this_type(p, d).swap(*this); + } + + T & operator[] (std::ptrdiff_t i) const // never throws + { + BOOST_ASSERT(px != 0); + BOOST_ASSERT(i >= 0); + return px[i]; + } + + T * get() const // never throws + { + return px; + } + + // implicit conversion to "bool" + +#if defined(__SUNPRO_CC) && BOOST_WORKAROUND(__SUNPRO_CC, <= 0x530) + + operator bool () const + { + return px != 0; + } + +#elif defined(__MWERKS__) && BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3003)) + typedef T * (this_type::*unspecified_bool_type)() const; + + operator unspecified_bool_type() const // never throws + { + return px == 0? 0: &this_type::get; + } + +#else + + typedef T * this_type::*unspecified_bool_type; + + operator unspecified_bool_type() const // never throws + { + return px == 0? 0: &this_type::px; + } + +#endif + + bool operator! () const // never throws + { + return px == 0; + } + + bool unique() const // never throws + { + return pn.unique(); + } + + long use_count() const // never throws + { + return pn.use_count(); + } + + void swap(shared_array & other) // never throws + { + std::swap(px, other.px); + pn.swap(other.pn); + } + +private: + + T * px; // contained pointer + detail::shared_count pn; // reference counter + +}; // shared_array + +template inline bool operator==(shared_array const & a, shared_array const & b) // never throws +{ + return a.get() == b.get(); +} + +template inline bool operator!=(shared_array const & a, shared_array const & b) // never throws +{ + return a.get() != b.get(); +} + +template inline bool operator<(shared_array const & a, shared_array const & b) // never throws +{ + return std::less()(a.get(), b.get()); +} + +template void swap(shared_array & a, shared_array & b) // never throws +{ + a.swap(b); +} + +} // namespace boost + +#endif // #if defined(BOOST_NO_MEMBER_TEMPLATES) && !defined(BOOST_MSVC6_MEMBER_TEMPLATES) + +#endif // #ifndef BOOST_SHARED_ARRAY_HPP_INCLUDED