// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file tools.license for terms.

#ifndef tools_scast
#define tools_scast

// For implementations of cast methods.
#include "cid"
#include "rcmp"

namespace tools {

template <class FROM,class TO>
inline TO* safe_cast(FROM& a_o) {
  return (TO*)a_o.cast(TO::s_class());
}

template <class FROM,class TO>
inline const TO* safe_cast(const FROM& a_o) {
  return (const TO*)a_o.cast(TO::s_class());
}

template <class FROM,class TO>
inline TO* id_cast(FROM& a_o) {
  return (TO*)a_o.cast(TO::id_class());
}

template <class FROM,class TO>
inline const TO* id_cast(const FROM& a_o) {
  return (const TO*)a_o.cast(TO::id_class());
}

template <class TO>
inline void* cmp_cast(const TO* a_this,const std::string& a_class) {
  if(!rcmp(a_class,TO::s_class())) return 0;
  return (void*)static_cast<const TO*>(a_this);
}

template <class TO>
inline void* cmp_cast(const TO* a_this,cid a_id) {
  if(TO::id_class()!=a_id) return 0;
  return (void*)static_cast<const TO*>(a_this);
}

}

#endif