#ifndef PORTABLE_IARCHIVE_HPP
#define PORTABLE_IARCHIVE_HPP

/*

Copyright (c) 2007 Andrew Molloy

Permission is hereby granted, free of charge, to any person obtaining a copy 
of this software and associated documentation files (the "Software"), to deal 
in the Software without restriction, including without limitation the rights 
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
copies of the Software, and to permit persons to whom the Software is 
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all 
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
SOFTWARE.

*/

#include <ostream>
#include <boost/archive/binary_iarchive.hpp>
#include <boost/detail/endian.hpp>

#include "../Endianness.h"

namespace BeeLib
{
namespace archive
{
  
template<Endianness dataEndianness>
class portable_iarchive :
    public boost::archive::binary_iarchive_impl<portable_iarchive<dataEndianness> >
{
    typedef portable_iarchive derived_t;
#ifndef BOOST_NO_MEMBER_TEMPLATE_FRIENDS
public:
#else
   friend class boost::archive::basic_binary_iarchive<derived_t>;
    friend class boost::archive::basic_binary_iprimitive<derived_t, std::istream>;
    friend class boost::archive::load_access;
#endif
    // default fall through for any types not specified here
    template<class T>
    void load(T & t){
        boost::archive::binary_iarchive_impl<derived_t>::load(t);
    }

   // handle integer types
   void load(int16 &t)
   {
      this->load_binary(&t, sizeof(int16));
      t = swapBytes<dataEndianness, HostEndianness>(t);
   }

   void load(uint16 &t)
   {
      this->load_binary(&t, sizeof(uint16));
      t = swapBytes<dataEndianness, HostEndianness>(t);
   }

   void load(int32 &t)
   {
      this->load_binary(&t, sizeof(int32));
      t = swapBytes<dataEndianness, HostEndianness>(t);
   }

   void load(uint32 &t)
   {
      this->load_binary(&t, sizeof(uint32));
      t = swapBytes<dataEndianness, HostEndianness>(t);
   }

   void load(int64 &t)
   {
      this->load_binary(&t, sizeof(int64));
      t = swapBytes<dataEndianness, HostEndianness>(t);
   }
   
   void load(uint64 &t)
   {
      this->load_binary(&t, sizeof(uint64));
      t = swapBytes<dataEndianness, HostEndianness>(t);
   }

   void load(float &t)
   {
      BOOST_STATIC_ASSERT(sizeof(float) == 4);
      this->load_binary(&t, sizeof(float));
      t = swapBytes<dataEndianness, HostEndianness>(t);
   }

   void load(double &t)
   {
      BOOST_STATIC_ASSERT(sizeof(double) == 8);
      this->load_binary(&t, sizeof(double));
      t = swapBytes<dataEndianness, HostEndianness>(t);
   }
public:
    portable_iarchive(std::istream & is, unsigned flags = 0) :
        boost::archive::binary_iarchive_impl<derived_t>(
            is, 
            flags | boost::archive::no_header // skip default header checking 
        )
    {
        // use our own header checking
        if(0 != (flags & boost::archive::no_header)){
            this->boost::archive::basic_binary_iarchive<derived_t>::init();
            // skip the following for "portable" binary archives
            // boost::archive::basic_binary_oprimitive<derived_t, std::ostream>::init();
        }
    }
};
}
}

// explicitly instantiate for this type of text stream
#include <boost/archive/impl/basic_binary_iarchive.ipp>
#include <boost/archive/impl/archive_pointer_iserializer.ipp>
#include <boost/archive/impl/basic_binary_iprimitive.ipp>

namespace boost {
namespace archive {

// Big Endian
template class basic_binary_iarchive<BeeLib::archive::portable_iarchive<BeeLib::BigEndian> > ;
template class basic_binary_iprimitive<BeeLib::archive::portable_iarchive<BeeLib::BigEndian>, std::istream> ;
template class binary_iarchive_impl<BeeLib::archive::portable_iarchive<BeeLib::BigEndian> > ;
template class detail::archive_pointer_iserializer<BeeLib::archive::portable_iarchive<BeeLib::BigEndian> > ;

// Little Endian
template class basic_binary_iarchive<BeeLib::archive::portable_iarchive<BeeLib::LittleEndian> > ;
template class basic_binary_iprimitive<BeeLib::archive::portable_iarchive<BeeLib::LittleEndian>, std::istream> ;
template class binary_iarchive_impl<BeeLib::archive::portable_iarchive<BeeLib::LittleEndian> > ;
template class detail::archive_pointer_iserializer<BeeLib::archive::portable_iarchive<BeeLib::LittleEndian> > ;

} // namespace archive
} // namespace boost

#define BOOST_ARCHIVE_CUSTOM_IARCHIVE_TYPES portable_iarchive

#endif // PORTABLE_BINARY_IARCHIVE_HPP