#ifndef TRAITS_H__
#define TRAITS_H__

struct pl;
struct object;
struct mapstruct;
struct archt;
struct region;
struct party;
struct mapstruct;

// could have used templates, but a more traditional C api
// uses more explicit typing which is ok for this purpose.
enum data_type
{
  DT_END,     // no further arguments
  DT_AV,      // perl-only av that needs to be flattened out
  DT_INT,
  DT_INT64,
  DT_DOUBLE,
  DT_STRING,  // 0-terminated string
  DT_DATA,    // string + length
  DT_OBJECT,
  DT_MAP,
  DT_PLAYER,
  DT_ARCH,
  DT_PARTY,
  DT_REGION,

  NUM_DATA_TYPES
};

template<typename T>
struct cftype { };

template<>
struct cftype<int> {
   enum { dt = DT_INT };
};

template<>
struct cftype<sint64> {
   enum { dt = DT_INT64 };
};

template<>
struct cftype<double> {
   enum { dt = DT_DOUBLE };
};

template<>
struct cftype<const char *> {
   enum { dt = DT_STRING };
};

template<>
struct cftype<object> {
   enum { dt = DT_OBJECT };
};

template<>
struct cftype<struct pl> {
   enum { dt = DT_PLAYER };
};

template<>
struct cftype<mapstruct> {
   enum { dt = DT_MAP };
};

template<>
struct cftype<struct archt> {
   enum { dt = DT_ARCH };
};

template<>
struct cftype<party> {
   enum { dt = DT_PARTY };
};

template<>
struct cftype<region> {
   enum { dt = DT_REGION };
};

#endif