| /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 |
| // demo_pimpl_A.cpp |
| |
| // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . |
| // 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) |
| |
| #include <boost/archive/text_iarchive.hpp> |
| #include <boost/archive/text_oarchive.hpp> |
| |
| #include "demo_pimpl_A.hpp" |
| |
| // "hidden" definition of class B |
| struct B { |
| int b; |
| template<class Archive> |
| void serialize(Archive & ar, const unsigned int /* file_version */){ |
| ar & b; |
| } |
| }; |
| |
| A::A() : |
| pimpl(new B) |
| {} |
| A::~A(){ |
| delete pimpl; |
| } |
| // now we can define the serialization for class A |
| template<class Archive> |
| void A::serialize(Archive & ar, const unsigned int /* file_version */){ |
| ar & pimpl; |
| } |
| |
| // without the explicit instantiations below, the program will |
| // fail to link for lack of instantiantiation of the above function |
| // note: the following failed to fix link errors for vc 7.0 ! |
| template void A::serialize<boost::archive::text_iarchive>( |
| boost::archive::text_iarchive & ar, |
| const unsigned int file_version |
| ); |
| template void A::serialize<boost::archive::text_oarchive>( |
| boost::archive::text_oarchive & ar, |
| const unsigned int file_version |
| ); |