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// Boost.Assign library
//
// Copyright Thorsten Ottosen 2003-2004. 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_LIST_OF_HPP
#define BOOST_ASSIGN_LIST_OF_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
#include <boost/assign/assignment_exception.hpp>
#include <boost/range/begin.hpp>
#include <boost/range/end.hpp>
#include <boost/config.hpp>
#include <boost/tuple/tuple.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 <deque>
#include <cstddef>
#include <utility>
#include <boost/preprocessor/repetition/enum_binary_params.hpp>
#include <boost/preprocessor/repetition/enum_params.hpp>
#include <boost/preprocessor/iteration/local.hpp>
#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
// BCB requires full type definition for is_array<> to work correctly.
#include <boost/array.hpp>
#endif
namespace boost
{
// this here is necessary to avoid compiler error in <boost/array.hpp>
#if !BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
template< class T, std::size_t sz >
class array;
#endif
namespace assign_detail
{
/////////////////////////////////////////////////////////////////////////
// Part 0: common conversion code
/////////////////////////////////////////////////////////////////////////
template< class T >
struct assign_decay
{
//
// Add constness to array parameters
// to support string literals properly
//
typedef BOOST_DEDUCED_TYPENAME mpl::eval_if<
::boost::is_array<T>,
::boost::decay<const T>,
::boost::decay<T> >::type type;
};
template< class T, std::size_t sz >
type_traits::yes_type assign_is_array( const array<T,sz>* );
type_traits::no_type assign_is_array( ... );
template< class T, class U >
type_traits::yes_type assign_is_pair( const std::pair<T,U>* );
type_traits::no_type assign_is_pair( ... );
struct array_type_tag
{
#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
private:
char dummy_; // BCB would by default use 8 bytes
#endif
};
struct adapter_type_tag
{
#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
private:
char dummy_; // BCB would by default use 8 bytes
#endif
};
struct pair_type_tag
{
#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
private:
char dummy_; // BCB would by default use 8 bytes
#endif
};
struct default_type_tag
{
#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
private:
char dummy_; // BCB would by default use 8 bytes
#endif
};
template< class DerivedTAssign >
class converter
{
public:
template< class Container >
Container convert_to_container() const
{
static Container* c = 0;
BOOST_STATIC_CONSTANT( bool, is_array_flag = sizeof( assign_detail::assign_is_array( c ) )
== sizeof( type_traits::yes_type ) );
typedef BOOST_DEDUCED_TYPENAME mpl::if_c< is_array_flag,
array_type_tag,
default_type_tag >::type tag_type;
return convert<Container>( c, tag_type() );
}
private:
template< class Container >
Container convert( const Container*, default_type_tag ) const
{
#if BOOST_WORKAROUND(BOOST_DINKUMWARE_STDLIB, == 1)
// old Dinkumware doesn't support iterator type as template
Container result;
BOOST_DEDUCED_TYPENAME DerivedTAssign::iterator
it = static_cast<const DerivedTAssign*>(this)->begin(),
end = static_cast<const DerivedTAssign*>(this)->end();
while( it != end )
{
result.insert( result.end(), *it );
++it;
}
return result;
#else
return Container( static_cast<const DerivedTAssign*>(this)->begin(),
static_cast<const DerivedTAssign*>(this)->end() );
#endif
}
template< class Array >
Array convert( const Array*, array_type_tag ) const
{
typedef BOOST_DEDUCED_TYPENAME Array::value_type value_type;
#if BOOST_WORKAROUND(BOOST_INTEL, <= 910 ) || BOOST_WORKAROUND(__SUNPRO_CC, <= 0x580 )
BOOST_DEDUCED_TYPENAME remove_const<Array>::type ar;
#else
Array ar;
#endif
const std::size_t sz = ar.size();
if( sz < static_cast<const DerivedTAssign*>(this)->size() )
throw assign::assignment_exception( "array initialized with too many elements" );
std::size_t n = 0;
BOOST_DEDUCED_TYPENAME DerivedTAssign::iterator
i = static_cast<const DerivedTAssign*>(this)->begin(),
end = static_cast<const DerivedTAssign*>(this)->end();
for( ; i != end; ++i, ++n )
ar[n] = *i;
for( ; n < sz; ++n )
ar[n] = value_type();
return ar;
}
template< class Adapter >
Adapter convert_to_adapter( const Adapter* = 0 ) const
{
Adapter a;
BOOST_DEDUCED_TYPENAME DerivedTAssign::iterator
i = static_cast<const DerivedTAssign*>(this)->begin(),
end = static_cast<const DerivedTAssign*>(this)->end();
for( ; i != end; ++i )
a.push( *i );
return a;
}
private:
struct adapter_converter;
friend struct adapter_converter;
struct adapter_converter
{
const converter& gl;
adapter_converter( const converter& this_ ) : gl( this_ )
{}
adapter_converter( const adapter_converter& r )
: gl( r.gl )
{ }
template< class Adapter >
operator Adapter() const
{
return gl.convert_to_adapter<Adapter>();
}
};
public:
template< class Container >
Container to_container( Container& c ) const
{
return convert( &c, default_type_tag() );
}
adapter_converter to_adapter() const
{
return adapter_converter( *this );
}
template< class Adapter >
Adapter to_adapter( Adapter& a ) const
{
return this->convert_to_adapter( &a );
}
template< class Array >
Array to_array( Array& a ) const
{
return convert( &a, array_type_tag() );
}
};
/////////////////////////////////////////////////////////////////////////
// Part 1: flexible, but inefficient interface
/////////////////////////////////////////////////////////////////////////
template< class T >
class generic_list :
public converter< generic_list< BOOST_DEDUCED_TYPENAME assign_decay<T>::type > >
{
typedef converter< generic_list< BOOST_DEDUCED_TYPENAME assign_decay<T>::type > >
base_type;
typedef BOOST_DEDUCED_TYPENAME assign_decay<T>::type Ty;
typedef std::deque<Ty> impl_type;
mutable impl_type values_;
public:
typedef BOOST_DEDUCED_TYPENAME impl_type::iterator iterator;
typedef BOOST_DEDUCED_TYPENAME impl_type::const_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:
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(); }
private:
void push_back( value_type r ) { values_.push_back( r ); }
public:
generic_list& operator,( const Ty& u )
{
this->push_back( u );
return *this;
}
generic_list& operator()()
{
this->push_back( Ty() );
return *this;
}
generic_list& operator()( const Ty& u )
{
this->push_back( 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_ASSIGN_PARAMS4(n) BOOST_PP_ENUM_PARAMS(n, U)
#define BOOST_ASSIGN_PARAMS2_NO_REF(n) BOOST_PP_ENUM_BINARY_PARAMS(n, U, 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_list& operator()(U const& u, BOOST_ASSIGN_PARAMS2(n) ) \
{ \
this->push_back( Ty(u, BOOST_ASSIGN_PARAMS3(n))); \
return *this; \
} \
/**/
#include BOOST_PP_LOCAL_ITERATE()
template< class U >
generic_list& repeat( std::size_t sz, U u )
{
std::size_t i = 0;
while( i++ != sz )
this->push_back( u );
return *this;
}
template< class Nullary_function >
generic_list& repeat_fun( std::size_t sz, Nullary_function fun )
{
std::size_t i = 0;
while( i++ != sz )
this->push_back( fun() );
return *this;
}
template< class SinglePassIterator >
generic_list& range( SinglePassIterator first,
SinglePassIterator last )
{
for( ; first != last; ++first )
this->push_back( *first );
return *this;
}
template< class SinglePassRange >
generic_list& range( const SinglePassRange& r )
{
return range( boost::begin(r), boost::end(r) );
}
template< class Container >
operator Container() const
{
return this-> BOOST_NESTED_TEMPLATE convert_to_container<Container>();
}
};
/////////////////////////////////////////////////////////////////////////
// Part 2: efficient, but inconvenient interface
/////////////////////////////////////////////////////////////////////////
template< class T >
struct assign_reference
{
assign_reference()
{ /* intentionally empty */ }
assign_reference( T& r ) : ref_(&r)
{ }
void operator=( T& r )
{
ref_ = &r;
}
operator T&() const
{
return *ref_;
}
void swap( assign_reference& r )
{
std::swap( *ref_, *r.ref_ );
}
T& get_ref() const
{
return *ref_;
}
private:
T* ref_;
};
template< class T >
inline bool operator<( const assign_reference<T>& l,
const assign_reference<T>& r )
{
return l.get_ref() < r.get_ref();
}
template< class T >
inline bool operator>( const assign_reference<T>& l,
const assign_reference<T>& r )
{
return l.get_ref() > r.get_ref();
}
template< class T >
inline void swap( assign_reference<T>& l,
assign_reference<T>& r )
{
l.swap( r );
}
template< class T, int N >
struct static_generic_list :
public converter< static_generic_list<T,N> >
{
private:
typedef converter< static_generic_list<T,N> > base_class;
typedef T internal_value_type;
public:
typedef assign_reference<internal_value_type> value_type;
typedef value_type* iterator;
typedef const value_type* const_iterator;
typedef std::size_t size_type;
typedef std::ptrdiff_t difference_type;
static_generic_list( T& r ) :
current_(1)
{
refs_[0] = r;
}
static_generic_list& operator()( T& r )
{
insert( r );
return *this;
}
iterator begin() const
{
return &refs_[0];
}
iterator end() const
{
return &refs_[current_];
}
size_type size() const
{
return static_cast<size_type>( current_ );
}
bool empty() const
{
return false;
}
template< class ForwardIterator >
static_generic_list& range( ForwardIterator first,
ForwardIterator last )
{
for( ; first != last; ++first )
this->insert( *first );
return *this;
}
template< class ForwardRange >
static_generic_list& range( ForwardRange& r )
{
return range( boost::begin(r), boost::end(r) );
}
template< class ForwardRange >
static_generic_list& range( const ForwardRange& r )
{
return range( boost::begin(r), boost::end(r) );
}
template< class Container >
operator Container() const
{
return this-> BOOST_NESTED_TEMPLATE convert_to_container<Container>();
}
private:
void insert( T& r )
{
refs_[current_] = r;
++current_;
}
static_generic_list();
mutable assign_reference<internal_value_type> refs_[N];
int current_;
};
} // namespace 'assign_detail'
namespace assign
{
template< class T >
inline assign_detail::generic_list<T>
list_of()
{
return assign_detail::generic_list<T>();
}
template< class T >
inline assign_detail::generic_list<T>
list_of( const T& t )
{
return assign_detail::generic_list<T>()( t );
}
template< int N, class T >
inline assign_detail::static_generic_list< BOOST_DEDUCED_TYPENAME assign_detail::assign_decay<T>::type,N>
ref_list_of( T& t )
{
return assign_detail::static_generic_list<BOOST_DEDUCED_TYPENAME assign_detail::assign_decay<T>::type,N>( t );
}
template< int N, class T >
inline assign_detail::static_generic_list<const BOOST_DEDUCED_TYPENAME assign_detail::assign_decay<T>::type,N>
cref_list_of( const T& t )
{
return assign_detail::static_generic_list<const BOOST_DEDUCED_TYPENAME assign_detail::assign_decay<T>::type,N>( 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_list<T> \
list_of(U const& u, BOOST_ASSIGN_PARAMS2(n) ) \
{ \
return assign_detail::generic_list<T>()(u, BOOST_ASSIGN_PARAMS3(n)); \
} \
/**/
#include BOOST_PP_LOCAL_ITERATE()
#define BOOST_PP_LOCAL_LIMITS (1, BOOST_ASSIGN_MAX_PARAMETERS)
#define BOOST_PP_LOCAL_MACRO(n) \
template< class U, BOOST_ASSIGN_PARAMS1(n) > \
inline assign_detail::generic_list< tuple<U, BOOST_ASSIGN_PARAMS4(n)> > \
tuple_list_of(U u, BOOST_ASSIGN_PARAMS2_NO_REF(n) ) \
{ \
return assign_detail::generic_list< tuple<U, BOOST_ASSIGN_PARAMS4(n)> >()( tuple<U,BOOST_ASSIGN_PARAMS4(n)>( u, BOOST_ASSIGN_PARAMS3(n) )); \
} \
/**/
#include BOOST_PP_LOCAL_ITERATE()
template< class Key, class T >
inline assign_detail::generic_list< std::pair
<
BOOST_DEDUCED_TYPENAME assign_detail::assign_decay<Key>::type,
BOOST_DEDUCED_TYPENAME assign_detail::assign_decay<T>::type
> >
map_list_of( const Key& k, const T& t )
{
typedef BOOST_DEDUCED_TYPENAME assign_detail::assign_decay<Key>::type k_type;
typedef BOOST_DEDUCED_TYPENAME assign_detail::assign_decay<T>::type t_type;
return assign_detail::generic_list< std::pair<k_type,t_type> >()( k, t );
}
template< class F, class S >
inline assign_detail::generic_list< std::pair
<
BOOST_DEDUCED_TYPENAME assign_detail::assign_decay<F>::type,
BOOST_DEDUCED_TYPENAME assign_detail::assign_decay<S>::type
> >
pair_list_of( const F& f, const S& s )
{
return map_list_of( f, s );
}
} // namespace 'assign'
} // namespace 'boost'
#undef BOOST_ASSIGN_PARAMS1
#undef BOOST_ASSIGN_PARAMS2
#undef BOOST_ASSIGN_PARAMS3
#undef BOOST_ASSIGN_PARAMS4
#undef BOOST_ASSIGN_PARAMS2_NO_REF
#undef BOOST_ASSIGN_MAX_PARAMETERS
#endif
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