[Boost-commit] svn:boost r65415 - trunk/boost/msm/back

Subject: [Boost-commit] svn:boost r65415 - trunk/boost/msm/back
From: christophe.j.henry_at_[hidden]
Date: 2010-09-13 17:45:02

Author: chenry
Date: 2010-09-13 17:44:54 EDT (Mon, 13 Sep 2010)
New Revision: 65415
URL: http://svn.boost.org/trac/boost/changeset/65415

Log:
first try of serialization
Text files modified: 
   trunk/boost/msm/back/history_policies.hpp |    16 ++++++++++++++++                        
   trunk/boost/msm/back/state_machine.hpp    |    34 ++++++++++++++++++++++++++++++++++      
   2 files changed, 50 insertions(+), 0 deletions(-)

Modified: trunk/boost/msm/back/history_policies.hpp
==============================================================================
--- trunk/boost/msm/back/history_policies.hpp	(original)
+++ trunk/boost/msm/back/history_policies.hpp	2010-09-13 17:44:54 EDT (Mon, 13 Sep 2010)
@@ -49,6 +49,11 @@
          }
          return *this;
     }
+    template<class Archive>
+    void serialize(Archive & ar, const unsigned int version)
+    {
+        ar & m_initialStates;
+    }
 private:
     int m_initialStates[NumberOfRegions];
 };
@@ -85,6 +90,11 @@
          }
          return *this;
     }
+    template<class Archive>
+    void serialize(Archive & ar, const unsigned int version)
+    {
+        ar & m_initialStates;
+    }
 private:
     int m_initialStates[NumberOfRegions];
 };
@@ -129,6 +139,12 @@
          }
          return *this;
     }
+    template<class Archive>
+    void serialize(Archive & ar, const unsigned int version)
+    {
+        ar & m_initialStates;
+        ar & m_currentStates;
+    }
 private:
     int m_initialStates[NumberOfRegions];
     int m_currentStates[NumberOfRegions];

Modified: trunk/boost/msm/back/state_machine.hpp
==============================================================================
--- trunk/boost/msm/back/state_machine.hpp	(original)
+++ trunk/boost/msm/back/state_machine.hpp	2010-09-13 17:44:54 EDT (Mon, 13 Sep 2010)
@@ -31,6 +31,7 @@
 #include <boost/fusion/include/at_key.hpp>
 #include <boost/fusion/algorithm/iteration/for_each.hpp>
 #include <boost/fusion/include/for_each.hpp>
+#include <boost/fusion/include/for_each.hpp>
 
 #include <boost/assert.hpp>
 #include <boost/ref.hpp>
@@ -58,6 +59,7 @@
 BOOST_MPL_HAS_XXX_TRAIT_DEF(non_forwarding_flag)
 BOOST_MPL_HAS_XXX_TRAIT_DEF(direct_entry)
 BOOST_MPL_HAS_XXX_TRAIT_DEF(initial_event)
+BOOST_MPL_HAS_XXX_TRAIT_DEF(do_serialize)
 
 #ifndef BOOST_MSM_CONSTRUCTOR_ARG_SIZE
 #define BOOST_MSM_CONSTRUCTOR_ARG_SIZE 5 // default max number of arguments for constructors
@@ -1013,6 +1015,38 @@
         return this->m_states;
     }
 
+    template <class Archive>
+    struct serialize_state
+    {
+        serialize_state(Archive& ar):ar_(ar){}
+
+        template<typename T>
+        typename ::boost::enable_if< typename has_do_serialize<T>::type,void >::type
+        operator()(T& t) const
+        {
+            ar_ & t;
+        }
+        template<typename T>
+        typename ::boost::disable_if< typename has_do_serialize<T>::type,void >::type
+        operator()(T& t) const
+        {
+            // no state to serialize
+        }
+        Archive& ar_;
+    };
+    
+    template<class Archive>
+    void serialize(Archive & ar, const unsigned int version)
+    {
+        ar & m_states;
+        // queues cannot be serialized => skip
+        ar & m_history;
+        ar & m_event_processing;
+        ar & m_is_included;
+        // visitors cannot be serialized => skip
+        ::boost::fusion::for_each(m_substate_list, serialize_state<Archive>(ar));
+    }
+
     // linearly search for the state with the given id
     struct get_state_id_helper 
     {