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atlas_utils.h

#ifndef ATLAS_CAST_H
#define ATLAS_CAST_H

#include <stdexcept>

#include <Atlas/Message/Object.h>
#include <Atlas/Objects/Root.h>

namespace Atlas {

template <class T>
const T atlas_cast(const Message::Object &data)
{
        T obj = T::Instantiate();
        if (!data.IsMap()) {
                assert(false);
                throw std::invalid_argument("Input message object is not a map");
        }
        
        const Message::Object::MapType & mp = data.AsMap();
        
        for (Message::Object::MapType::const_iterator A = mp.begin();
                A != mp.end(); ++A)
        {
                obj.SetAttr(A->first, A->second);
        }
        
        return obj;
}

template <class T>
const T atlas_cast(const Objects::Root &data)
{
        T obj = T::Instantiate();
        Message::Object::MapType mp = data.AsObject().AsMap();
        
        for (Message::Object::MapType::iterator A = mp.begin();
                A != mp.end(); ++A)
        {
                obj.SetAttr(A->first, A->second);
        }
        
        return obj;
}

}

#endif

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