Re: [Boost-users] Is it possible to use boost:serialization with Managed c++?

Subject: Re: [Boost-users] Is it possible to use boost:serialization with Managed c++?
From: OvermindDL1 (overminddl1_at_[hidden])
Date: 2010-11-01 20:22:16

2010/10/31 سیّد امین میرزایی <samdeath_at_[hidden]>:
> We have a native c++ class that is serialized perfectly using
> boost::serialization.
>
> Now we want to change some of its member fields to property, so we could use
> them in PropertyGrids. When we changed the class definiction to ref class X,
> we got a huge number of these compilation errors:
>
> #1: error C2893: Failed to specialize function template
> 'boost::archive::text_oarchive
> &boost::archive::detail::interface_oarchive<Archive>::operator <<(T &)'
> d:\someAddress\someFile.cpp 58
>
> #2: error C2784: 'std::basic_ostream<_Elem,_Traits> &std::operator
> <<(std::basic_ostream<_Elem,_Traits> &,const std::_Smanip<_Arg> &)' : could
> not deduce template argument for 'std::basic_ostream<_Elem,_Traits> &' from
> 'boost::archive::text_oarchive' d:\someAddress\someFile.cpp 58
>
> We have a lot of tiny classes here, so it would be a pain to write a wrapper
> for each of them!
>
> Here is the sample class we used:
>
> ref class gps_position2
>
>
> {
> public:
> Â  Â  template<class Archive>
>
>
> Â  Â  void serialize(Archive & ar, const unsigned int version)
>
>
>
>
>
> Â  Â  {
> Â  Â  Â  Â  ar & seconds;
> Â  Â  }
>
>
> public:
> Â  Â  gps_position(){};
> Â  Â  gps_position(float s)
>
>
> Â  Â  {
> Â  Â  Â  Â  this->seconds = s;
>
>
> Â  Â  }
>
> Â  Â  property float seconds;
> };
>
>
> And here is the main test code:
>
> int main()
>
>
> {
> Â  Â  std::ofstream ofs("out.txt");
>
>
>
> Â  Â  gps_position2 g(24.567f);
>
> Â  Â  // save data to archive
>
>
> Â  Â  {
> Â  Â  Â  Â  boost::archive::text_oarchive oa(ofs);
>
>
> Â  Â  Â  Â  // write class instance to archive
> Â  Â  Â  Â  oa << g;
>
>
> Â  Â  }
> Â  Â  // ................
> Â  Â  return 0;
>
>
> }
>
> Is it even possible to use boost::serialization with managed classes?
>
> p.s. If we change the class usage code to this:
>
> Â  Â  ...
>
>
> Â  Â  gps_position2^ g = gcnew gps_position2(24.567f);
>
>
> Â  Â  ...
>
> then we get only 1 error:
>
> error C2027: use of undefined type 'boost::STATIC_ASSERTION_FAILURE<x>'
> D:\path\to\Boost\boostw\boost\archive\detail\check.hpp 60

Unknown if they can work with managed classes, but do know for sure
that Managed C++ has a *LOT* of template issues and in general does
not work with 'real' C++ code.