ceph/src/boost/libs/serialization/example/demo_polymorphic.cpp

   1 /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
   2 // demo_polymorphic.cpp
   3
   4 // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
   5 // Use, modification and distribution is subject to the Boost Software
   6 // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   7 // http://www.boost.org/LICENSE_1_0.txt)
   8
   9 // should pass compilation and execution
  10
  11 #include <sstream>
  12
  13 #include <boost/archive/polymorphic_text_iarchive.hpp>
  14 #include <boost/archive/polymorphic_text_oarchive.hpp>
  15
  16 #include <boost/archive/polymorphic_binary_iarchive.hpp>
  17 #include <boost/archive/polymorphic_binary_oarchive.hpp>
  18
  19 #include "demo_polymorphic_A.hpp"
  20
  21 int main(int argc, char* argv[])
  22 {
  23     const A a;
  24     A a1;
  25     {
  26         // test with a text archive
  27         std::stringstream ss;
  28         {
  29             // instantiate archive which inhertis polymorphic interface
  30             // and the normal text archive implementation
  31             boost::archive::polymorphic_text_oarchive oa(ss);
  32             boost::archive::polymorphic_oarchive & oa_interface = oa;
  33             // we can just just the interface for saving
  34             oa_interface << a;
  35         }
  36         {
  37             // or we can use the implementation directly
  38             boost::archive::polymorphic_text_iarchive ia(ss);
  39             ia >> a1;
  40         }
  41     }
  42     if(! (a == a1))
  43         return 1;
  44     {
  45         //test with a binary archive
  46         std::stringstream ss;
  47         {
  48             // instantiate archive which inhertis polymorphic interface
  49             // and the normal binary archive implementation
  50             boost::archive::polymorphic_binary_oarchive oa(ss);
  51             oa << a;
  52         }
  53         {
  54             // see above
  55             boost::archive::polymorphic_binary_iarchive ia(ss);
  56             boost::archive::polymorphic_iarchive & ia_interface = ia;
  57             // use just the polymorphic interface for loading.
  58             ia_interface >> a1;
  59         }
  60     }
  61     if(! (a == a1))
  62         return 1;
  63     return 0;
  64 }
  65