Re: [Boost-users] Problems with char* serialization

From: Ariel Brunetto (abrunetto_at_[hidden])
Date: 2008-04-08 15:47:59

My pointer to a char is actually an array. Is it possible to serialize it in
this way?

Ariel

On Tue, Apr 8, 2008 at 4:54 PM, Robert Ramey <ramey_at_[hidden]> wrote:

>  serializing a pointer to a char is will only serialize one char.
>
> try serializating either an array of characters or an std::string
>
> Robert Ramey
>
>
> "Ariel Brunetto" <abrunetto_at_[hidden]> wrote in message
> news:c1bd22250804081016m1bf9c734s143a08b9a166a2bb_at_mail.gmail.com...
>   Hello!
>
> My name is Ariel and this is my first time with boost. I spent a few days
> looking arround the serialization library, and right now I have a project
> with my first serialized classes.
> I spent some time reading the documentation and the tutorial. I am having
> problems serializing pointers. I am trying to serialize a const char* and it
> seems that doesn't work in the trivial way.
>
> This is my code:
>
>
> //-----------------------------------------------------------------------------
> // myserializeclass.h
>
> //-----------------------------------------------------------------------------
> #include <fstream>
> #include <boost/archive/binary_iarchive.hpp>
> #include <boost/archive/binary_oarchive.hpp>
> #include <boost/serialization/base_object.hpp>
>
> //-----------------------------------------------------------------------------
> class MySerializeClass
> {
> private:
>  friend class boost::serialization::access;
>  template<class Archive>
>  void serialize(Archive & ar, const unsigned int uiVersion)
>  {
>   ar & m_pChar;
>  }
> // members to serialize
> public:
>  char* m_pChar;
> };
>
> //-----------------------------------------------------------------------------
> BOOST_CLASS_TRACKING(MySerializeAbstractBase,
> ::boost::serialization::track_never)
>
> //-----------------------------------------------------------------------------
>
>
> //-----------------------------------------------------------------------------
> // myserializeclass.cpp
>
> //-----------------------------------------------------------------------------
> int main()
> {
>  MySerializeClass MySerializeClassObject;
>
>  std::ofstream ofs(akFilename);
>  boost::archive::binary_oarchive oa(ofs);
>
>  oa << MySerializeClassObject;
>  return 0;
> }
>
> //-----------------------------------------------------------------------------
>
> It doesn't compile. I get the following error:
>
> 1>c:\program files\microsoft visual studio
> 8\vc\platformsdk\include\boost\serialization\access.hpp(109) : error C2228:
> left of '.serialize' must have class/struct/union
>
> I know that this is my mistake, but I don't know how to fix it ;). I know
> that there is a lot of consideration about pointer serialization. Could you
> point me in the right direction?
>
> Thanks in advance!
> Ariel
>
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-- 
________________
Ariel Brunetto
www.aquadize.com