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Move smart_ptr into boost/smart_ptr/*.hpp (refs #2239).

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[SVN r51509]
This commit is contained in:
Peter Dimov
2009-03-01 16:00:42 +00:00
parent 10f6ff8b77
commit 0da6902267
59 changed files with 2770 additions and 2388 deletions
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176
include/boost/shared_array.hpp
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@ -14,180 +14,6 @@
// See http://www.boost.org/libs/smart_ptr/shared_array.htm for documentation.
//
#include <boost/config.hpp> // for broken compiler workarounds
#if defined(BOOST_NO_MEMBER_TEMPLATES) && !defined(BOOST_MSVC6_MEMBER_TEMPLATES)
#include <boost/detail/shared_array_nmt.hpp>
#else
#include <memory> // TR1 cyclic inclusion fix
#include <boost/assert.hpp>
#include <boost/checked_delete.hpp>
#include <boost/detail/shared_count.hpp>
#include <boost/detail/workaround.hpp>
#include <cstddef> // for std::ptrdiff_t
#include <algorithm> // for std::swap
#include <functional> // 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 T> class shared_array
{
private:
// Borland 5.5.1 specific workarounds
typedef checked_array_deleter<T> deleter;
typedef shared_array<T> 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<class D> 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 <class D> 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( _MANAGED )
static void unspecified_bool( this_type*** )
{
}
typedef void (*unspecified_bool_type)( this_type*** );
operator unspecified_bool_type() const // never throws
{
return px == 0? 0: unspecified_bool;
}
#elif \
( defined(__MWERKS__) && BOOST_WORKAROUND(__MWERKS__, < 0x3200) ) || \
( defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__ < 304) )
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<T> & 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<class T> inline bool operator==(shared_array<T> const & a, shared_array<T> const & b) // never throws
{
return a.get() == b.get();
}
template<class T> inline bool operator!=(shared_array<T> const & a, shared_array<T> const & b) // never throws
{
return a.get() != b.get();
}
template<class T> inline bool operator<(shared_array<T> const & a, shared_array<T> const & b) // never throws
{
return std::less<T*>()(a.get(), b.get());
}
template<class T> void swap(shared_array<T> & a, shared_array<T> & b) // never throws
{
a.swap(b);
}
} // namespace boost
#endif // #if defined(BOOST_NO_MEMBER_TEMPLATES) && !defined(BOOST_MSVC6_MEMBER_TEMPLATES)
#include <boost/smart_ptr/shared_array.hpp>
#endif // #ifndef BOOST_SHARED_ARRAY_HPP_INCLUDED