[29] | 1 | #ifndef BOOST_STATECHART_STATE_HPP_INCLUDED |
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| 2 | #define BOOST_STATECHART_STATE_HPP_INCLUDED |
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| 3 | ////////////////////////////////////////////////////////////////////////////// |
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| 4 | // Copyright 2002-2006 Andreas Huber Doenni |
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| 5 | // Distributed under the Boost Software License, Version 1.0. (See accompany- |
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| 6 | // ing file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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| 7 | ////////////////////////////////////////////////////////////////////////////// |
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| 8 | |
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| 9 | |
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| 10 | |
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| 11 | #include <boost/statechart/simple_state.hpp> |
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| 12 | |
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| 13 | #include <boost/mpl/list.hpp> |
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| 14 | |
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| 15 | |
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| 16 | |
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| 17 | namespace boost |
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| 18 | { |
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| 19 | namespace statechart |
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| 20 | { |
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| 21 | |
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| 22 | |
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| 23 | |
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| 24 | template< class MostDerived, |
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| 25 | class Context, |
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| 26 | class InnerInitial = mpl::list<>, |
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| 27 | history_mode historyMode = has_no_history > |
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| 28 | class state : public simple_state< |
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| 29 | MostDerived, Context, InnerInitial, historyMode > |
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| 30 | { |
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| 31 | typedef simple_state< MostDerived, Context, InnerInitial, historyMode > |
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| 32 | base_type; |
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| 33 | |
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| 34 | protected: |
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| 35 | ////////////////////////////////////////////////////////////////////////// |
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| 36 | struct my_context |
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| 37 | { |
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| 38 | my_context( typename base_type::context_ptr_type pContext ) : |
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| 39 | pContext_( pContext ) |
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| 40 | { |
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| 41 | } |
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| 42 | |
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| 43 | typename base_type::context_ptr_type pContext_; |
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| 44 | }; |
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| 45 | |
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| 46 | typedef state my_base; |
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| 47 | |
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| 48 | state( my_context ctx ) |
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| 49 | { |
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| 50 | this->set_context( ctx.pContext_ ); |
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| 51 | } |
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| 52 | |
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| 53 | ~state() {} |
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| 54 | |
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| 55 | public: |
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| 56 | ////////////////////////////////////////////////////////////////////////// |
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| 57 | // The following declarations should be private. |
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| 58 | // They are only public because many compilers lack template friends. |
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| 59 | ////////////////////////////////////////////////////////////////////////// |
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| 60 | // See base class for documentation |
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| 61 | typedef typename base_type::outermost_context_base_type |
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| 62 | outermost_context_base_type; |
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| 63 | typedef typename base_type::inner_context_ptr_type inner_context_ptr_type; |
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| 64 | typedef typename base_type::context_ptr_type context_ptr_type; |
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| 65 | typedef typename base_type::inner_initial_list inner_initial_list; |
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| 66 | |
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| 67 | static void initial_deep_construct( |
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| 68 | outermost_context_base_type & outermostContextBase ) |
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| 69 | { |
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| 70 | deep_construct( &outermostContextBase, outermostContextBase ); |
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| 71 | } |
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| 72 | |
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| 73 | // See base class for documentation |
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| 74 | static void deep_construct( |
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| 75 | const context_ptr_type & pContext, |
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| 76 | outermost_context_base_type & outermostContextBase ) |
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| 77 | { |
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| 78 | const inner_context_ptr_type pInnerContext( |
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| 79 | shallow_construct( pContext, outermostContextBase ) ); |
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| 80 | base_type::template deep_construct_inner< inner_initial_list >( |
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| 81 | pInnerContext, outermostContextBase ); |
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| 82 | } |
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| 83 | |
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| 84 | static inner_context_ptr_type shallow_construct( |
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| 85 | const context_ptr_type & pContext, |
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| 86 | outermost_context_base_type & outermostContextBase ) |
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| 87 | { |
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| 88 | const inner_context_ptr_type pInnerContext( |
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| 89 | new MostDerived( my_context( pContext ) ) ); |
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| 90 | outermostContextBase.add( pInnerContext ); |
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| 91 | return pInnerContext; |
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| 92 | } |
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| 93 | }; |
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| 94 | |
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| 95 | |
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| 96 | |
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| 97 | } // namespace statechart |
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| 98 | } // namespace boost |
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| 99 | |
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| 100 | |
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| 101 | |
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| 102 | #endif |
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