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HxCorbaConversions.h

Go to the documentation of this file.

/*
 *  Copyright (c) 2000, University of Amsterdam, The Netherlands.
 *  All rights reserved.
 *
 *  Author(s):
 *  Marc Navarro            (mnavarro@wins.uva.nl)
 */

#ifndef HxCorbaConversions_h
#define HxCorbaConversions_h

#include <OB/CORBA.h>
#include "HxServerBase.h"
#include "HxBaseTieRefCount.h"

HxImageSignature
HxConvertImageSig(HxCorba::ImageSignature sig);

HxCorba::ImageSignature
HxConvertImageSig(HxImageSignature sig);

HxImageRep::ResultPrecision
HxConvertPrecision(HxCorba::ResultPrecision prec);

HxGeoIntType
HxConvertGeoIntType(HxCorba::GeoIntType gi);

HxGeoTransType
HxConvertGeoTransType(HxCorba::GeoTransType gt);

HxCorba::PixValue
HxConvertValue(HxValue & val);

HxValue
HxConvertValue(const HxCorba::PixValue & val);

template<class CorbaT, class HxT>
CorbaT
HxConvertEnum(HxT* values, int nValues, HxT val)
{
    for(int i=0; i<nValues; i++)
        if(val == values[i]) return (CorbaT)i;

    return (CorbaT)0;
}

template<class TiedSvtT>
inline typename TiedSvtT::HxT&
HxGetTiedObject(HxServerBase* srv, typename TiedSvtT::CorbaT* obj,
        typename TiedSvtT::HxT& empty)
{
    if(CORBA::is_nil(obj)) return empty;

    PortableServer::Servant servant = srv->getServant(obj);
    if(servant == NULL) return empty;

    typename TiedSvtT::TieT* tie =
        dynamic_cast<typename TiedSvtT::TieT*>(servant);

    servant->_remove_ref();
    return *(tie->_tied_object());
}

template<class TiedSvtT>
inline typename TiedSvtT::HxT&
HxGetTiedObject(HxServerBase* srv, typename TiedSvtT::CorbaT* obj)
{
    static typename TiedSvtT::HxT temp;
    temp = typename TiedSvtT::HxT();
    return HxGetTiedObject<TiedSvtT>(srv, obj, temp);
}

template<class TiedSvtT>
inline typename TiedSvtT::CorbaT*
HxRegisterTiedServant(HxServerBase* srv, const typename TiedSvtT::HxT& obj)
{
    TiedSvtT* tied = new TiedSvtT(obj);

    // Create tie servant with RefCount capabilities
    typename TiedSvtT::TieT* servant = 
        new HxBaseTieRefCount<typename TiedSvtT::TieT, TiedSvtT>(tied);
    CORBA::Object_ptr objPtr = srv->registerServant(servant);
    servant->_remove_ref();

    typedef typename TiedSvtT::CorbaT tempT;
    return tempT::_narrow(objPtr);
}

template<class TiedSvtT, class SrcListT>
inline typename TiedSvtT::SeqT*
HxMakeTiedServantsList(HxServerBase* srv, SrcListT& lst)
{
    typename TiedSvtT::SeqT* seq = new typename TiedSvtT::SeqT();
    seq->length(lst.size());

    typename SrcListT::const_iterator it = lst.begin();
    for(int i=0; it != lst.end(); i++, it++)
        (*seq)[i] = HxRegisterTiedServant<TiedSvtT>(srv, *it);

    return seq;
}

/*template<class SrcListT>
inline HxCorba::ImageList*
HxMakeImageList(HxServerBase* srv, SrcListT& lst)
{
    HxCorba::ImageList* seq = new HxCorba::ImageList();
    seq->length(lst.size());

    typename SrcListT::const_iterator it = lst.begin();
    for(int i=0; it != lst.end(); i++, it++) {
        HxImageRep temp(*it);
        (*seq)[i] = srv->createImage(temp);
    }

    return seq;
}*/

template<class CorbaSeqT, class SrcListT>
inline CorbaSeqT*
HxMakeBasicList(HxServerBase* srv, SrcListT& lst)
{
    CorbaSeqT* seq = new CorbaSeqT();
    seq->length(lst.size());

    typename SrcListT::const_iterator it = lst.begin();
    for(int i=0; it != lst.end(); i++, it++)
        (*seq)[i] = *it;

    return seq;
}

template<class CorbaSeqT, class SrcListT>
inline CorbaSeqT*
HxMakeStringList(HxServerBase* srv, SrcListT& lst)
{
    CorbaSeqT* seq = new CorbaSeqT();
    seq->length(lst.size());

    typename SrcListT::const_iterator it = lst.begin();
    for(int i=0; it != lst.end(); i++, it++)
        (*seq)[i] = it->c_str();

    return seq;
}

template<class TiedSvtT, class DstListT>
inline DstListT
HxGetTiedObjectList(HxServerBase* srv, const typename TiedSvtT::SeqT& seq)
{
    DstListT result;
    for(int i=0; i<seq.length(); i++) 
        result += HxGetTiedObject<TiedSvtT>(srv, seq[i]);

    return result;
}

/*template<class DstListT>
inline DstListT
HxGetImageList(HxServerBase* srv, const HxCorba::ImageList& seq)
{
    DstListT result;
    for(int i=0; i<seq.length(); i++) 
        result += srv->getTiedImage(seq[i]);

    return result;
}*/


#endif

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