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//
// Boost.Pointer Container
//
// Copyright Thorsten Ottosen 2003-2005. Use, modification and
// distribution is subject to 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)
//
// For more information, see http://www.boost.org/libs/ptr_container/
//
#ifndef BOOST_PTR_CONTAINER_PTR_ARRAY_HPP
#define BOOST_PTR_CONTAINER_PTR_ARRAY_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif
#include <boost/array.hpp>
#include <boost/static_assert.hpp>
#include <boost/ptr_container/ptr_sequence_adapter.hpp>
#include <boost/ptr_container/detail/ptr_container_disable_deprecated.hpp>
#if defined(BOOST_PTR_CONTAINER_DISABLE_DEPRECATED)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#endif
namespace boost
{
namespace ptr_container_detail
{
template
<
class T,
size_t N,
class Allocator = int // dummy
>
class ptr_array_impl : public boost::array<T,N>
{
public:
typedef Allocator allocator_type;
ptr_array_impl( Allocator /*a*/ = Allocator() )
{
this->assign( 0 );
}
ptr_array_impl( size_t, T*, Allocator /*a*/ = Allocator() )
{
this->assign( 0 );
}
};
}
template
<
class T,
size_t N,
class CloneAllocator = heap_clone_allocator
>
class ptr_array : public
ptr_sequence_adapter< T,
ptr_container_detail::ptr_array_impl<
typename ptr_container_detail::void_ptr<T>::type,N>,
CloneAllocator >
{
private:
typedef ptr_sequence_adapter< T,
ptr_container_detail::ptr_array_impl<
typename ptr_container_detail::void_ptr<T>::type,N>,
CloneAllocator >
base_class;
typedef BOOST_DEDUCED_TYPENAME remove_nullable<T>::type U;
typedef ptr_array<T,N,CloneAllocator>
this_type;
public:
typedef std::size_t size_type;
typedef U* value_type;
typedef U* pointer;
typedef U& reference;
typedef const U& const_reference;
typedef BOOST_DEDUCED_TYPENAME base_class::auto_type
auto_type;
public: // constructors
ptr_array() : base_class()
{ }
ptr_array( const ptr_array& r )
{
size_t i = 0;
for( ; i != N; ++i )
this->base()[i] = this->null_policy_allocate_clone(
static_cast<const U*>( &r[i] ) );
}
template< class U >
ptr_array( const ptr_array<U,N>& r )
{
size_t i = 0;
for( ; i != N; ++i )
this->base()[i] = this->null_policy_allocate_clone(
static_cast<const T*>( &r[i] ) );
}
#ifndef BOOST_NO_AUTO_PTR
explicit ptr_array( std::auto_ptr<this_type> r )
: base_class( r ) { }
#endif
#ifndef BOOST_NO_CXX11_SMART_PTR
explicit ptr_array( std::unique_ptr<this_type> r )
: base_class( std::move( r ) ) { }
#endif
ptr_array& operator=( ptr_array r )
{
this->swap( r );
return *this;
}
#ifndef BOOST_NO_AUTO_PTR
ptr_array& operator=( std::auto_ptr<this_type> r )
{
base_class::operator=(r);
return *this;
}
#endif
#ifndef BOOST_NO_CXX11_SMART_PTR
ptr_array& operator=( std::unique_ptr<this_type> r )
{
base_class::operator=(std::move(r));
return *this;
}
#endif
#ifndef BOOST_NO_AUTO_PTR
std::auto_ptr<this_type> release()
{
std::auto_ptr<this_type> ptr( new this_type );
this->swap( *ptr );
return ptr;
}
std::auto_ptr<this_type> clone() const
{
std::auto_ptr<this_type> pa( new this_type );
clone_array_elements( *pa );
return pa;
}
#else
std::unique_ptr<this_type> release()
{
std::unique_ptr<this_type> ptr( new this_type );
this->swap( *ptr );
return ptr;
}
std::unique_ptr<this_type> clone() const
{
std::unique_ptr<this_type> pa( new this_type );
clone_array_elements( *pa );
return pa;
}
#endif
private:
void clone_array_elements( this_type &pa ) const
{
for( size_t i = 0; i != N; ++i )
{
if( !this->is_null(i) )
pa.replace( i, pa.null_policy_allocate_clone( &(*this)[i] ) );
}
}
private: // hide some members
using base_class::insert;
using base_class::erase;
using base_class::push_back;
using base_class::push_front;
using base_class::pop_front;
using base_class::pop_back;
using base_class::transfer;
using base_class::get_allocator;
public: // compile-time interface
template< size_t idx >
auto_type replace( U* r ) // strong
{
BOOST_STATIC_ASSERT( idx < N );
this->enforce_null_policy( r, "Null pointer in 'ptr_array::replace()'" );
auto_type res( static_cast<U*>(this->base()[idx]), *this ); // nothrow
this->base()[idx] = r; // nothrow
return boost::ptr_container::move(res); // nothrow
}
#ifndef BOOST_NO_AUTO_PTR
template< size_t idx, class V >
auto_type replace( std::auto_ptr<V> r )
{
return replace<idx>( r.release() );
}
#endif
#ifndef BOOST_NO_CXX11_SMART_PTR
template< size_t idx, class V >
auto_type replace( std::unique_ptr<V> r )
{
return replace<idx>( r.release() );
}
#endif
auto_type replace( size_t idx, U* r ) // strong
{
this->enforce_null_policy( r, "Null pointer in 'ptr_array::replace()'" );
auto_type ptr( r, *this );
BOOST_PTR_CONTAINER_THROW_EXCEPTION( idx >= N, bad_index,
"'replace()' aout of bounds" );
auto_type res( static_cast<U*>(this->base()[idx]), *this ); // nothrow
this->base()[idx] = ptr.release(); // nothrow
return boost::ptr_container::move(res); // nothrow
}
#ifndef BOOST_NO_AUTO_PTR
template< class V >
auto_type replace( size_t idx, std::auto_ptr<V> r )
{
return replace( idx, r.release() );
}
#endif
#ifndef BOOST_NO_CXX11_SMART_PTR
template< class V >
auto_type replace( size_t idx, std::unique_ptr<V> r )
{
return replace( idx, r.release() );
}
#endif
using base_class::at;
template< size_t idx >
T& at()
{
BOOST_STATIC_ASSERT( idx < N );
return (*this)[idx];
}
template< size_t idx >
const T& at() const
{
BOOST_STATIC_ASSERT( idx < N );
return (*this)[idx];
}
bool is_null( size_t idx ) const
{
return base_class::is_null(idx);
}
template< size_t idx >
bool is_null() const
{
BOOST_STATIC_ASSERT( idx < N );
return this->base()[idx] == 0;
}
};
//////////////////////////////////////////////////////////////////////////////
// clonability
template< typename T, size_t size, typename CA >
inline ptr_array<T,size,CA>* new_clone( const ptr_array<T,size,CA>& r )
{
return r.clone().release();
}
/////////////////////////////////////////////////////////////////////////
// swap
template< typename T, size_t size, typename CA >
inline void swap( ptr_array<T,size,CA>& l, ptr_array<T,size,CA>& r )
{
l.swap(r);
}
}
#if defined(BOOST_PTR_CONTAINER_DISABLE_DEPRECATED)
#pragma GCC diagnostic pop
#endif
#endif
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