This is fine for most of the cases.
But suppose I want to pass serialized stream over a network and at the other end I want to validate each datatype before deserializing it then how to do it?
Can I use typeinfo somehow?
 
Thanks,
Sameer

On Fri, Aug 22, 2008 at 11:47 PM, Robert Ramey <ramey@rrsd.com> wrote:
The easy way is to use:
 
    template<class Archive>
    void serialize(Archive & ar, const unsigned int file_version)
   {
       ar & tmpMap;
       ar & a;
       ar & d;
       ar & stringList;
   }
 
then input/output are always insync.
 
Robert Ramey
Hi,
 
   How to validate datatype before it gets deserialized?
e.g.
struct Abc
{
  
    std::map<string,string> tmpMap;
    int a;
    float d;
    std::list<string> stringList;
 
    void serialize(boost::archive::polymorphic_oarchive & ar, const unsigned int file_version)
   {
       ar & tmpMap;
       ar & a;
       ar & d;
       ar & stringList;
   }
     void serialize(boost::archive::polymorphic_iarchive & ar, const unsigned int file_version)
    {
      /////////////////////////////////////////////////////////////////////
      /* Now the right thing to do over here is
       ar & tmpMap;
       ar & a;
       ar & d;
       ar & stringList;
      */
       ///////////////////////////////////////////////////////////////////////
      //But instead, if by mistake user writes something like 
       ar & a;
       ar & d;
       ar & stringList;
       ar & tmpMap;
     /*
         So how to handle such problem?
         Can I validate data somehow before it gets deserialized?
         On some platforms like SuSE linux I have observed that such thing doesn't throw exception and we get SEGV. 
     */      
    }
     
};
 
Thanks,
Sameer

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