kicad/include/boost/ptr_container/ptr_circular_buffer.hpp

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2012-05-16 01:42:04 +00:00
//
// Boost.Pointer Container
//
// Copyright Thorsten Ottosen 2008. 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_CIRCULAR_BUFFER_HPP
#define BOOST_PTR_CONTAINER_PTR_CIRCULAR_BUFFER_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif
#include <boost/circular_buffer.hpp>
#include <boost/ptr_container/ptr_sequence_adapter.hpp>
namespace boost
{
template
<
class T,
class CloneAllocator = heap_clone_allocator,
class Allocator = std::allocator<void*>
>
class ptr_circular_buffer : public
ptr_sequence_adapter< T,
boost::circular_buffer<void*,Allocator>,
CloneAllocator >
{
typedef ptr_sequence_adapter< T,
boost::circular_buffer<void*,Allocator>,
CloneAllocator >
base_type;
typedef boost::circular_buffer<void*,Allocator> circular_buffer_type;
typedef ptr_circular_buffer<T,CloneAllocator,Allocator> this_type;
public: // typedefs
typedef typename base_type::value_type value_type;
typedef value_type* pointer;
typedef const value_type* const_pointer;
typedef typename base_type::size_type size_type;
typedef typename base_type::allocator_type allocator_type;
typedef typename base_type::iterator iterator;
typedef typename base_type::const_iterator const_iterator;
typedef typename base_type::auto_type auto_type;
typedef std::pair<pointer,size_type> array_range;
typedef std::pair<const_pointer,size_type> const_array_range;
typedef typename circular_buffer_type::capacity_type capacity_type;
public: // constructors
ptr_circular_buffer()
{ }
explicit ptr_circular_buffer( capacity_type n )
: base_type( n, ptr_container_detail::fixed_length_sequence_tag() )
{ }
ptr_circular_buffer( capacity_type n,
const allocator_type& alloc )
: base_type( n, alloc, ptr_container_detail::fixed_length_sequence_tag() )
{ }
template< class ForwardIterator >
ptr_circular_buffer( ForwardIterator first, ForwardIterator last )
: base_type( first, last, ptr_container_detail::fixed_length_sequence_tag() )
{ }
template< class InputIterator >
ptr_circular_buffer( capacity_type n, InputIterator first, InputIterator last )
: base_type( n, first, last, ptr_container_detail::fixed_length_sequence_tag() )
{ }
ptr_circular_buffer( const ptr_circular_buffer& r )
: base_type( r.size(), r.begin(), r.end(),
ptr_container_detail::fixed_length_sequence_tag() )
{ }
template< class U >
ptr_circular_buffer( const ptr_circular_buffer<U>& r )
: base_type( r.size(), r.begin(), r.end(),
ptr_container_detail::fixed_length_sequence_tag() )
{ }
ptr_circular_buffer& operator=( ptr_circular_buffer r )
{
this->swap( r );
return *this;
}
BOOST_PTR_CONTAINER_DEFINE_RELEASE_AND_CLONE( ptr_circular_buffer,
base_type, this_type )
public: // allocators
allocator_type& get_allocator()
{
return this->base().get_allocator();
}
allocator_type get_allocator() const
{
return this->base().get_allocator();
}
public: // circular buffer functions
array_range array_one() // nothrow
{
typename circular_buffer_type::array_range r = this->base().array_one();
return array_range( reinterpret_cast<pointer>(r.first), r.second );
}
const_array_range array_one() const // nothrow
{
typename circular_buffer_type::const_array_range r = this->base().array_one();
return const_array_range( reinterpret_cast<const_pointer>(r.first), r.second );
}
array_range array_two() // nothrow
{
typename circular_buffer_type::array_range r = this->base().array_two();
return array_range( reinterpret_cast<pointer>(r.first), r.second );
}
const_array_range array_two() const // nothrow
{
typename circular_buffer_type::const_array_range r = this->base().array_two();
return const_array_range( reinterpret_cast<const_pointer>(r.first), r.second );
}
pointer linearize() // nothrow
{
return reinterpret_cast<pointer>(this->base().linearize());
}
bool full() const // nothrow
{
return this->base().full();
}
size_type reserve() const // nothrow
{
return this->base().reserve();
}
void reserve( size_type n ) // strong
{
if( capacity() < n )
set_capacity( n );
}
capacity_type capacity() const // nothrow
{
return this->base().capacity();
}
void set_capacity( capacity_type new_capacity ) // strong
{
if( this->size() > new_capacity )
{
this->erase( this->begin() + new_capacity, this->end() );
}
this->base().set_capacity( new_capacity );
}
void rset_capacity( capacity_type new_capacity ) // strong
{
if( this->size() > new_capacity )
{
this->erase( this->begin(),
this->begin() + (this->size()-new_capacity) );
}
this->base().rset_capacity( new_capacity );
}
void resize( size_type size ) // basic
{
size_type old_size = this->size();
if( old_size > size )
{
this->erase( boost::next( this->begin(), size ), this->end() );
}
else if( size > old_size )
{
for( ; old_size != size; ++old_size )
this->push_back( new BOOST_DEDUCED_TYPENAME
boost::remove_pointer<value_type>::type() );
}
BOOST_ASSERT( this->size() == size );
}
void resize( size_type size, value_type to_clone ) // basic
{
size_type old_size = this->size();
if( old_size > size )
{
this->erase( boost::next( this->begin(), size ), this->end() );
}
else if( size > old_size )
{
for( ; old_size != size; ++old_size )
this->push_back( this->null_policy_allocate_clone( to_clone ) );
}
BOOST_ASSERT( this->size() == size );
}
void rresize( size_type size ) // basic
{
size_type old_size = this->size();
if( old_size > size )
{
this->erase( this->begin(),
boost::next( this->begin(), old_size - size ) );
}
else if( size > old_size )
{
for( ; old_size != size; ++old_size )
this->push_front( new BOOST_DEDUCED_TYPENAME
boost::remove_pointer<value_type>::type() );
}
BOOST_ASSERT( this->size() == size );
}
void rresize( size_type size, value_type to_clone ) // basic
{
size_type old_size = this->size();
if( old_size > size )
{
this->erase( this->begin(),
boost::next( this->begin(), old_size - size ) );
}
else if( size > old_size )
{
for( ; old_size != size; ++old_size )
this->push_front( this->null_policy_allocate_clone( to_clone ) );
}
BOOST_ASSERT( this->size() == size );
}
template< class InputIterator >
void assign( InputIterator first, InputIterator last ) // strong
{
ptr_circular_buffer temp( first, last );
this->swap( temp );
}
template< class Range >
void assign( const Range& r ) // strong
{
assign( boost::begin(r), boost::end(r ) );
}
void assign( size_type n, value_type to_clone ) // strong
{
ptr_circular_buffer temp( n );
for( size_type i = 0u; i != n; ++i )
temp.push_back( this->null_policy_allocate_clone( to_clone ) );
this->swap( temp );
}
void assign( capacity_type capacity, size_type n,
value_type to_clone ) // basic
{
this->assign( (std::min)(n,capacity), to_clone );
}
template< class InputIterator >
void assign( capacity_type capacity,
InputIterator first, InputIterator last ) // basic
{
this->assign( first, last );
this->set_capacity( capacity );
}
void push_back( value_type ptr ) // nothrow
{
BOOST_ASSERT( capacity() > 0 );
this->enforce_null_policy( ptr, "Null pointer in 'push_back()'" );
auto_type old_ptr;
if( full() )
old_ptr.reset( &*this->begin() );
this->base().push_back( ptr );
}
template< class U >
void push_back( std::auto_ptr<U> ptr ) // nothrow
{
push_back( ptr.release() );
}
void push_front( value_type ptr ) // nothrow
{
BOOST_ASSERT( capacity() > 0 );
this->enforce_null_policy( ptr, "Null pointer in 'push_front()'" );
auto_type old_ptr;
if( full() )
old_ptr.reset( &*(--this->end()) );
this->base().push_front( ptr );
}
template< class U >
void push_front( std::auto_ptr<U> ptr ) // nothrow
{
push_front( ptr.release() );
}
iterator insert( iterator pos, value_type ptr ) // nothrow
{
BOOST_ASSERT( capacity() > 0 );
this->enforce_null_policy( ptr, "Null pointer in 'insert()'" );
auto_type new_ptr( ptr );
iterator b = this->begin();
if( full() && pos == b )
return b;
auto_type old_ptr;
if( full() )
old_ptr.reset( &*this->begin() );
new_ptr.release();
return this->base().insert( pos.base(), ptr );
}
template< class U >
iterator insert( iterator pos, std::auto_ptr<U> ptr ) // nothrow
{
return insert( pos, ptr.release() );
}
template< class InputIterator >
void insert( iterator pos, InputIterator first, InputIterator last ) // basic
{
for( ; first != last; ++first, ++pos )
pos = insert( pos, this->null_policy_allocate_clone( &*first ) );
}
#if defined(BOOST_NO_SFINAE) || defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING)
#else
template< class Range >
BOOST_DEDUCED_TYPENAME
boost::disable_if< ptr_container_detail::is_pointer_or_integral<Range> >::type
insert( iterator before, const Range& r )
{
insert( before, boost::begin(r), boost::end(r) );
}
#endif
iterator rinsert( iterator pos, value_type ptr ) // nothrow
{
BOOST_ASSERT( capacity() > 0 );
this->enforce_null_policy( ptr, "Null pointer in 'rinsert()'" );
auto_type new_ptr( ptr );
iterator b = this->end();
if (full() && pos == b)
return b;
auto_type old_ptr;
if( full() )
old_ptr.reset( &this->back() );
new_ptr.release();
return this->base().rinsert( pos.base(), ptr );
}
template< class U >
iterator rinsert( iterator pos, std::auto_ptr<U> ptr ) // nothrow
{
return rinsert( pos, ptr.release() );
}
template< class InputIterator >
void rinsert( iterator pos, InputIterator first, InputIterator last ) // basic
{
for( ; first != last; ++first, ++pos )
pos = rinsert( pos, this->null_policy_allocate_clone( &*first ) );
}
#if defined(BOOST_NO_SFINAE) || defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING)
#else
template< class Range >
BOOST_DEDUCED_TYPENAME
boost::disable_if< ptr_container_detail::is_pointer_or_integral<Range> >::type
rinsert( iterator before, const Range& r )
{
rinsert( before, boost::begin(r), boost::end(r) );
}
#endif
iterator rerase( iterator pos ) // nothrow
{
BOOST_ASSERT( !this->empty() );
BOOST_ASSERT( pos != this->end() );
this->remove( pos );
return iterator( this->base().rerase( pos.base() ) );
}
iterator rerase( iterator first, iterator last ) // nothrow
{
this->remove( first, last );
return iterator( this->base().rerase( first.base(),
last.base() ) );
}
template< class Range >
iterator rerase( const Range& r ) // nothrow
{
return rerase( boost::begin(r), boost::end(r) );
}
void rotate( const_iterator new_begin ) // nothrow
{
this->base().rotate( new_begin.base() );
}
public: // transfer
template< class PtrSeqAdapter >
void transfer( iterator before,
BOOST_DEDUCED_TYPENAME PtrSeqAdapter::iterator first,
BOOST_DEDUCED_TYPENAME PtrSeqAdapter::iterator last,
PtrSeqAdapter& from ) // nothrow
{
BOOST_ASSERT( (void*)&from != (void*)this );
if( from.empty() )
return;
for( BOOST_DEDUCED_TYPENAME PtrSeqAdapter::iterator begin = first;
begin != last; ++begin, ++before )
before = insert( before, &*begin ); // nothrow
from.base().erase( first.base(), last.base() ); // nothrow
}
template< class PtrSeqAdapter >
void transfer( iterator before,
BOOST_DEDUCED_TYPENAME PtrSeqAdapter::iterator object,
PtrSeqAdapter& from ) // nothrow
{
BOOST_ASSERT( (void*)&from != (void*)this );
if( from.empty() )
return;
insert( before, &*object ); // nothrow
from.base().erase( object.base() ); // nothrow
}
#if defined(BOOST_NO_SFINAE) || defined(BOOST_NO_FUNCTION_TEMPLATE_ORDERING)
#else
template< class PtrSeqAdapter, class Range >
BOOST_DEDUCED_TYPENAME boost::disable_if< boost::is_same< Range,
BOOST_DEDUCED_TYPENAME PtrSeqAdapter::iterator > >::type
transfer( iterator before, const Range& r, PtrSeqAdapter& from ) // nothrow
{
transfer( before, boost::begin(r), boost::end(r), from );
}
#endif
template< class PtrSeqAdapter >
void transfer( iterator before, PtrSeqAdapter& from ) // nothrow
{
transfer( before, from.begin(), from.end(), from );
}
public: // C-array support
void transfer( iterator before, value_type* from,
size_type size, bool delete_from = true ) // nothrow
{
BOOST_ASSERT( from != 0 );
if( delete_from )
{
BOOST_DEDUCED_TYPENAME base_type::scoped_deleter
deleter( from, size ); // nothrow
for( size_type i = 0u; i != size; ++i, ++before )
before = insert( before, *(from+i) ); // nothrow
deleter.release(); // nothrow
}
else
{
for( size_type i = 0u; i != size; ++i, ++before )
before = insert( before, *(from+i) ); // nothrow
}
}
value_type* c_array() // nothrow
{
if( this->empty() )
return 0;
this->linearize();
T** res = reinterpret_cast<T**>( &this->begin().base()[0] );
return res;
}
};
//////////////////////////////////////////////////////////////////////////////
// clonability
template< typename T, typename CA, typename A >
inline ptr_circular_buffer<T,CA,A>* new_clone( const ptr_circular_buffer<T,CA,A>& r )
{
return r.clone().release();
}
/////////////////////////////////////////////////////////////////////////
// swap
template< typename T, typename CA, typename A >
inline void swap( ptr_circular_buffer<T,CA,A>& l, ptr_circular_buffer<T,CA,A>& r )
{
l.swap(r);
}
}
#endif