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// Boost.Assign library
//
// 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/assign/
//
#ifndef BOOST_ASSIGN_PTR_LIST_OF_HPP
#define BOOST_ASSIGN_PTR_LIST_OF_HPP
#if defined(_MSC_VER)
# pragma once
#endif
#include <boost/assign/list_of.hpp>
#include <boost/type_traits/remove_const.hpp>
#include <boost/type_traits/remove_reference.hpp>
#include <boost/type_traits/is_reference.hpp>
#include <boost/static_assert.hpp>
#include <boost/type_traits/detail/yes_no_type.hpp>
#include <boost/type_traits/decay.hpp>
#include <boost/type_traits/is_array.hpp>
#include <boost/mpl/if.hpp>
#include <boost/ptr_container/ptr_vector.hpp>
#include <boost/preprocessor/repetition/enum_binary_params.hpp>
#include <boost/preprocessor/repetition/enum_params.hpp>
#include <boost/preprocessor/iteration/local.hpp>
namespace boost
{
namespace assign_detail
{
/////////////////////////////////////////////////////////////////////////
// Part 1: flexible and efficient interface
/////////////////////////////////////////////////////////////////////////
template< class T >
class generic_ptr_list :
public converter< generic_ptr_list<T>,
BOOST_DEDUCED_TYPENAME boost::ptr_vector<T>::iterator >
{
protected:
typedef boost::ptr_vector<T> impl_type;
#if defined(BOOST_NO_AUTO_PTR)
typedef std::unique_ptr<impl_type> release_type;
#else
typedef std::auto_ptr<impl_type> release_type;
#endif
mutable impl_type values_;
public:
typedef BOOST_DEDUCED_TYPENAME impl_type::iterator iterator;
typedef iterator const_iterator;
typedef BOOST_DEDUCED_TYPENAME impl_type::value_type value_type;
typedef BOOST_DEDUCED_TYPENAME impl_type::size_type size_type;
typedef BOOST_DEDUCED_TYPENAME impl_type::difference_type difference_type;
public:
generic_ptr_list() : values_( 32u )
{ }
generic_ptr_list( release_type r ) : values_(r)
{ }
release_type release()
{
return values_.release();
}
public:
iterator begin() const { return values_.begin(); }
iterator end() const { return values_.end(); }
bool empty() const { return values_.empty(); }
size_type size() const { return values_.size(); }
public:
operator impl_type() const
{
return values_;
}
template< template<class,class,class> class Seq, class U,
class CA, class A >
operator Seq<U,CA,A>() const
{
Seq<U,CA,A> result;
result.transfer( result.end(), values_ );
BOOST_ASSERT( empty() );
return result;
}
template< class PtrContainer >
#if defined(BOOST_NO_AUTO_PTR)
std::unique_ptr<PtrContainer>
#else
std::auto_ptr<PtrContainer>
#endif
convert( const PtrContainer* c ) const
{
#if defined(BOOST_NO_AUTO_PTR)
std::unique_ptr<PtrContainer> res( new PtrContainer() );
#else
std::auto_ptr<PtrContainer> res( new PtrContainer() );
#endif
while( !empty() )
res->insert( res->end(),
values_.pop_back().release() );
return res;
}
template< class PtrContainer >
#if defined(BOOST_NO_AUTO_PTR)
std::unique_ptr<PtrContainer>
#else
std::auto_ptr<PtrContainer>
#endif
to_container( const PtrContainer& c ) const
{
return convert( &c );
}
protected:
void push_back( T* r ) { values_.push_back( r ); }
public:
generic_ptr_list& operator()()
{
this->push_back( new T() );
return *this;
}
template< class U >
generic_ptr_list& operator()( const U& u )
{
this->push_back( new T(u) );
return *this;
}
#ifndef BOOST_ASSIGN_MAX_PARAMS // use user's value
#define BOOST_ASSIGN_MAX_PARAMS 5
#endif
#define BOOST_ASSIGN_MAX_PARAMETERS (BOOST_ASSIGN_MAX_PARAMS - 1)
#define BOOST_ASSIGN_PARAMS1(n) BOOST_PP_ENUM_PARAMS(n, class U)
#define BOOST_ASSIGN_PARAMS2(n) BOOST_PP_ENUM_BINARY_PARAMS(n, U, const& u)
#define BOOST_ASSIGN_PARAMS3(n) BOOST_PP_ENUM_PARAMS(n, u)
#define BOOST_PP_LOCAL_LIMITS (1, BOOST_ASSIGN_MAX_PARAMETERS)
#define BOOST_PP_LOCAL_MACRO(n) \
template< class U, BOOST_ASSIGN_PARAMS1(n) > \
generic_ptr_list& operator()(U const& u, BOOST_ASSIGN_PARAMS2(n) ) \
{ \
this->push_back( new T(u, BOOST_ASSIGN_PARAMS3(n))); \
return *this; \
} \
/**/
#include BOOST_PP_LOCAL_ITERATE()
}; // class 'generic_ptr_list'
} // namespace 'assign_detail'
namespace assign
{
template< class T >
inline assign_detail::generic_ptr_list<T>
ptr_list_of()
{
return assign_detail::generic_ptr_list<T>()();
}
template< class T, class U >
inline assign_detail::generic_ptr_list<T>
ptr_list_of( const U& t )
{
return assign_detail::generic_ptr_list<T>()( t );
}
#define BOOST_PP_LOCAL_LIMITS (1, BOOST_ASSIGN_MAX_PARAMETERS)
#define BOOST_PP_LOCAL_MACRO(n) \
template< class T, class U, BOOST_ASSIGN_PARAMS1(n) > \
inline assign_detail::generic_ptr_list<T> \
ptr_list_of(U const& u, BOOST_ASSIGN_PARAMS2(n) ) \
{ \
return assign_detail::generic_ptr_list<T>()(u, BOOST_ASSIGN_PARAMS3(n)); \
} \
/**/
#include BOOST_PP_LOCAL_ITERATE()
} // namespace 'assign'
} // namespace 'boost'
#undef BOOST_ASSIGN_PARAMS1
#undef BOOST_ASSIGN_PARAMS2
#undef BOOST_ASSIGN_PARAMS3
#undef BOOST_ASSIGN_MAX_PARAMETERS
#endif
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