103 lines
3.0 KiB
C++
103 lines
3.0 KiB
C++
#ifndef BOOST_STATECHART_STATE_HPP_INCLUDED
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#define BOOST_STATECHART_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/simple_state.hpp>
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#include <boost/mpl/list.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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template< class MostDerived,
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class Context,
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class InnerInitial = mpl::list<>,
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history_mode historyMode = has_no_history >
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class state : public simple_state<
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MostDerived, Context, InnerInitial, historyMode >
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{
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typedef simple_state< MostDerived, Context, InnerInitial, historyMode >
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base_type;
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protected:
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//////////////////////////////////////////////////////////////////////////
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struct my_context
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{
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my_context( typename base_type::context_ptr_type pContext ) :
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pContext_( pContext )
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{
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}
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typename base_type::context_ptr_type pContext_;
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};
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typedef state my_base;
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state( my_context ctx )
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{
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this->set_context( ctx.pContext_ );
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}
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~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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// See base class for documentation
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typedef typename base_type::outermost_context_base_type
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outermost_context_base_type;
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typedef typename base_type::inner_context_ptr_type inner_context_ptr_type;
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typedef typename base_type::context_ptr_type context_ptr_type;
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typedef typename base_type::inner_initial_list inner_initial_list;
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static void initial_deep_construct(
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outermost_context_base_type & outermostContextBase )
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{
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deep_construct( &outermostContextBase, outermostContextBase );
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}
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// See base class for documentation
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static void deep_construct(
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const context_ptr_type & pContext,
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outermost_context_base_type & outermostContextBase )
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{
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const inner_context_ptr_type pInnerContext(
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shallow_construct( pContext, outermostContextBase ) );
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base_type::template deep_construct_inner< inner_initial_list >(
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pInnerContext, outermostContextBase );
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}
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static inner_context_ptr_type shallow_construct(
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const context_ptr_type & pContext,
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outermost_context_base_type & outermostContextBase )
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{
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const inner_context_ptr_type pInnerContext(
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new MostDerived( my_context( pContext ) ) );
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outermostContextBase.add( pInnerContext );
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return pInnerContext;
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}
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};
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} // namespace statechart
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} // namespace boost
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#endif
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