map_vector_std_util.hpp

/*
 * map_vector_std_util.hpp
 *
 *  Created on: May 14, 2016
 *      Author: i-bird
 */
 
#ifndef OPENFPM_DATA_SRC_VECTOR_MAP_VECTOR_STD_UTIL_HPP_
#define OPENFPM_DATA_SRC_VECTOR_MAP_VECTOR_STD_UTIL_HPP_
 
#include "util/common.hpp"
 
template<bool,typename T, typename S>
struct push_back_op_neste
{
    static inline void push_back(std::vector<T> & base, const S & obj)
    {
#ifndef DISABLE_ALL_RTTI
        std::cerr << __FILE__ << ":" << __LINE__ << " error cannot push " << demangle(typeid(S).name()) << " into a vector of " << demangle(typeid(T).name()) << std::endl;
#endif
    }
};
 
template<typename T, typename S>
struct push_back_op_neste<true,T,S>
{
 
    static inline void push_back(std::vector<T> & base, const S & obj)
    {
        base.push_back(T());
        base[base.size()-1] = obj;
    }
};
 
template<bool,typename T, typename S>
struct push_back_std_op_neste
{
 
    static inline void push_back(std::vector<T> & base, const S & obj)
    {
#ifndef DISABLE_ALL_RTTI
        std::cerr << __FILE__ << ":" << __LINE__ << " error cannot push " << demangle(typeid(S).name()) << " into a vector of " << demangle(typeid(T).name()) << std::endl;
#endif
    }
};
 
template<typename T, typename S>
struct push_back_std_op_neste<true,T,S>
{
    static inline void push_back(std::vector<T> & base, const S & obj)
    {
        base.reserve(base.size() + obj.size());
        for (size_t i = 0 ; i < obj.size() ; i++)
        {
            base.push_back(obj.get(i));
        }
    }
};
 
template<bool is_t, bool is_s,typename T, typename S>
struct push_back_op
{
    static inline void push_back(std::vector<T> & base, const S & obj)
    {
#ifndef DISABLE_ALL_RTTI
        std::cerr << __FILE__ << ":" << __LINE__ << " error cannot push " << demangle(typeid(S).name()) << " into a vector of " << demangle(typeid(T).name()) << std::endl;
#endif
    }
};
 
template<typename T, typename S>
struct push_back_op<false,false,T,S>
{
    static inline void push_back(std::vector<T> & base, const S & obj)
    {
        base.push_back(obj);
    }
};
 
template<typename T, typename S>
struct push_back_op<false,true,T,S>
{
    static inline void push_back(std::vector<T> & base, const S & obj)
    {
        push_back_std_op_neste<std::is_same<T,typename S::value_type>::value,T,S>::push_back(base,obj);
    }
};
 
 
 
template<typename T, typename S>
struct push_back_op<true,true,T,S>
{
    static inline void push_back(std::vector<T> & base, const S & obj)
    {push_back_op_neste<std::is_assignable<typename T::value_type,typename S::value_type>::value ||
                        std::is_same<typename T::value_type,typename S::value_type>::value,T,S>::push_back(base,obj);}
};
 
 
template<bool has_base, typename base_obj, typename v_obj>
struct base_copy
{
    static inline void copy(base_obj & base, const v_obj & obj)
    {
        base.clear();
        base.resize(obj.size());
 
        for (size_t i = 0 ; i <  obj.size() ; i++)
        {
            base.get(i) = obj.get(i);
        }
    }
};
 
template<typename base_obj, typename v_obj>
struct base_copy<true,base_obj,v_obj>
{
    static inline void copy(base_obj & base, const v_obj & obj)
    {
        base = obj.base;
    }
};
 
template<typename T, typename Sfinae = void>
struct has_base_to_copy: std::false_type {};
 
template<typename T>
struct has_base_to_copy<T, typename Void< typename T::base_to_copy >::type > : std::true_type
{};
 
#endif /* OPENFPM_DATA_SRC_VECTOR_MAP_VECTOR_STD_UTIL_HPP_ */