#ifndef __rf_common_ih__
#define __rf_common_ih__

#include "rf_common.hh"
#include "pxx_common.ih"
#include "pxx_heap_allocator.ih"

namespace rfrt
{

static inline bool is_refal_alnum (wint_t _wc) {
  return iswalnum(_wc) || _wc == L'!' || _wc == L'?' || _wc == '-';
}

static inline bool is_refal_upper (wint_t _wc) {
  return iswupper(_wc) || _wc == L'!' || _wc == L'?';
}

static inline uint32_t update_hash (uint32_t _hash, void* _ptr, size_t _len)
{
  char* p = static_cast<char*>(_ptr);
  while (_len--) {
    _hash += *p++;
    _hash += (_hash << 10);
    _hash ^= (_hash >> 6);
  }
  return _hash;
}

static inline uint32_t finish_hash (uint32_t _hash)
{
  _hash += (_hash << 3);
  _hash ^= (_hash >> 11);
  _hash += (_hash << 15);
  return (_hash & (hash_size - 1));
}

static inline uint32_t compute_hash (void* _ptr, size_t _len)
{
  return finish_hash(update_hash(0, _ptr, _len));
}


static inline size_t strtowstr (wchar_t* _wstr, char* _str, size_t _len)
{
  wchar_t* wp = _wstr;
  char* p = _str;
  for (; _len; _len--) {
    size_t l = mbrtowc (wp, p, MB_CUR_MAX, null);
    wp++;
    p += l;
  }
  return wp - _wstr;
}

}

#endif // __rf_common_ih__