xml/link.hpp

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//
// (c) Copyright 2015 DESY, Eugen Wintersberger <eugen.wintersberger@desy.de>
//
// This file is part of libpniio.
//
// libpniio is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 2 of the License, or
// (at your option) any later version.
//
// libpniio is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with libpniio.  If not, see <http://www.gnu.org/licenses/>.
//************************************************************************
// Created on: Apr 22, 2015
//     Author: Eugen Wintersberger <eugen.wintersberger@desy.de>
//
#pragma once

#include "../algorithms/as_group.hpp"
#include "data_node.hpp"
#include "../nxlink.hpp"

namespace pni{
namespace io{
namespace nx{
namespace xml{
    
   
    class link
    {
        private:
            static pni::core::string get_link_name(const node &link_node);
            
            //-----------------------------------------------------------------
            static pni::core::string get_link_target(const node &link_node);
            
        public:
        
            template<
                     typename GTYPE,
                     typename FTYPE,
                     typename ATYPE,
                     typename LTYPE
                    >
            static void object_from_xml(const nxobject<GTYPE,FTYPE,ATYPE,LTYPE> &parent,
                                        const node &link_node);
                      
    };
    
    //-------------------------------------------------------------------------
    template<
             typename GTYPE,
             typename FTYPE,
             typename ATYPE,
             typename LTYPE
            >
    void link::object_from_xml(const nxobject<GTYPE,FTYPE,ATYPE,LTYPE> &parent,
                               const node &link_node)
    {
        //will throw key error if name attribute does not exist
        pni::core::string link_name = get_link_name(link_node);
        //will thorw key_error if target attribute does not exist
        pni::core::string link_target = get_link_target(link_node);
        
        //will throw type_error if the parent is not a group
        GTYPE parent_group = as_group(parent);
        
        pni::io::nx::link(link_target,parent_group,link_name);
    }            
    
 
//end of namespace
}
}
}
}