#ifndef BOOST_STATECHART_DETAIL_LEAF_STATE_HPP_INCLUDED
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#define BOOST_STATECHART_DETAIL_LEAF_STATE_HPP_INCLUDED
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//////////////////////////////////////////////////////////////////////////////
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// Copyright 2002-2006 Andreas Huber Doenni
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// Distributed under the Boost Software License, Version 1.0. (See accompany-
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// ing file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//////////////////////////////////////////////////////////////////////////////
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#include <boost/statechart/detail/state_base.hpp>
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namespace boost
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{
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namespace statechart
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{
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namespace detail
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{
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//////////////////////////////////////////////////////////////////////////////
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template< class Allocator, class RttiPolicy >
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class leaf_state : public state_base< Allocator, RttiPolicy >
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{
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typedef state_base< Allocator, RttiPolicy > base_type;
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protected:
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//////////////////////////////////////////////////////////////////////////
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leaf_state( typename RttiPolicy::id_provider_type idProvider ) :
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base_type( idProvider )
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{
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}
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~leaf_state() {}
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public:
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//////////////////////////////////////////////////////////////////////////
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// The following declarations should be private.
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// They are only public because many compilers lack template friends.
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//////////////////////////////////////////////////////////////////////////
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void set_list_position(
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typename base_type::state_list_type::iterator listPosition )
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{
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listPosition_ = listPosition;
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}
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typedef typename base_type::leaf_state_ptr_type
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direct_state_base_ptr_type;
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virtual void remove_from_state_list(
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typename base_type::state_list_type::iterator & statesEnd,
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typename base_type::node_state_base_ptr_type & pOutermostUnstableState,
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bool performFullExit )
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{
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--statesEnd;
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swap( *listPosition_, *statesEnd );
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( *listPosition_ )->set_list_position( listPosition_ );
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direct_state_base_ptr_type & pState = *statesEnd;
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// Because the list owns the leaf_state, this leads to the immediate
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// termination of this state.
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pState->exit_impl( pState, pOutermostUnstableState, performFullExit );
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}
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virtual void exit_impl(
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direct_state_base_ptr_type & pSelf,
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typename base_type::node_state_base_ptr_type & pOutermostUnstableState,
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bool performFullExit ) = 0;
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private:
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//////////////////////////////////////////////////////////////////////////
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typename base_type::state_list_type::iterator listPosition_;
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};
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} // namespace detail
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} // namespace statechart
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} // namespace boost
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#endif
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