service_traits.h

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/*
 * Copyright (C) 2009, Willow Garage, Inc.
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#ifndef ROSCPP_SERVICE_TRAITS_H
#define ROSCPP_SERVICE_TRAITS_H

#include <boost/type_traits/remove_reference.hpp>
#include <boost/type_traits/remove_const.hpp>

namespace ros
{
namespace service_traits
{

template<typename M>
struct MD5Sum
{
  static const char* value()
  {
    return M::__s_getServerMD5Sum().c_str();
  }

  static const char* value(const M& m)
  {
    return m.__getServerMD5Sum().c_str();
  }
};

template<typename M>
struct DataType
{
  static const char* value()
  {
    return M::__s_getServiceDataType().c_str();
  }

  static const char* value(const M& m)
  {
    return m.__getServiceDataType().c_str();
  }
};

template<typename M>
inline const char* md5sum()
{
  return MD5Sum<typename boost::remove_reference<typename boost::remove_const<M>::type>::type>::value();
}

template<typename M>
inline const char* datatype()
{
  return DataType<typename boost::remove_reference<typename boost::remove_const<M>::type>::type>::value();
}

template<typename M>
inline const char* md5sum(const M& m)
{
  return MD5Sum<typename boost::remove_reference<typename boost::remove_const<M>::type>::type>::value(m);
}

template<typename M>
inline const char* datatype(const M& m)
{
  return DataType<typename boost::remove_reference<typename boost::remove_const<M>::type>::type>::value(m);
}

} // namespace message_traits
} // namespace ros

#endif // ROSCPP_SERVICE_TRAITS_H