Re: [Boost-users] Serialization of dynamic data

From: Anders Sundman (anders.sundman_at_[hidden])
Date: 2007-02-02 04:49:37

You're right.. it should.

Thanks!

// Anders Sundman

Pranckevicius, Tadas skrev:
> I have just noticed, shouldn't it be
> 
> ~Dyn() { delete [] data; }
> 
> 
> -----Original Message-----
> From: Anders Sundman [mailto:anders.sundman_at_[hidden]] 
> Sent: 01 February 2007 14:55
> To: boost-users_at_[hidden]
> Subject: [Boost-users] Serialization of dynamic data
> 
> Hi!
> 
> About the boost::serialization library, what is the best way to handle 
> dynamic data in classes? Any idéas, suggestions or caveats? I didn't 
> manage to find anything about this in the docs.
> 
> Consider the following sample class:
> 
> struct Dyn {
> 	Dyn(int s) : data(0), size(s) {
> 		data = new char[size];
> 	}
> 
> 	~Dyn() { delete data; }
> 
> 	char* data;
> 	int size;
> 
> private:
> 	friend class boost::serialization::access;
> 	template< class Archive > void serialize( Archive &ar, unsigned int ver ) {
> 		// -> ar & data; What to do here?
> 		ar & size;
> 	}
> };
> 
> What to do with the data pointer?
> 
> Is there any way to determine (in the serialize function) if a 
> serialization or "de-serialization" is taking place? And have different 
> behaviours - either allocating a new char[x] or copying data to the archive?
> 
> Is there any way to store dynamic data in an archive?
> 
> Best regards,
> Anders Sundman
> 
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