Re: [Boost-users] [property_tree] utf8 and others

Subject: Re: [Boost-users] [property_tree] utf8 and others
From: Sebastian Redl (sebastian.redl_at_[hidden])
Date: 2009-12-02 07:53:58

On Wed, 2 Dec 2009 12:33:09 +0300, Sergei Politov <spolitov_at_[hidden]>
wrote:
> Hi,
> 
>   I'm playing with new boost library property_tree.
>   And I have several questions regarding it.
>   1) Suppose there is xml file with utf8 encoding.
>   What is the best way to populate it into wptree?

Parse from a wistream that has been imbued with a locale containing a
UTF-8 conversion facet, e.g. the one from Boost.Serialization.

>   2) How can I save wptree into xml file with utf8 encoding.
Unfortunately
> write_xml requires wostream.

Same as above.

>   3) Is there something like map operator[]? I.e. I need the following
> behavior:
>   wptree & something(some_path)
>   {
>     boost::optional<wptree &> child = my_tree.get_child(some_path);
>     if(child)
>       return child.get();
>     else
>       return my_tree.put_child(some_path);
>   }

I don't think there is such a thing available, but it sounds useful. I'll
see about adding it.

Sebastian