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/*
 * pstate.h
 *
 */

#ifndef PSTATE_H_
#define PSTATE_H_

#include "nl_config.h"
#include "nl_time.h"
#include "nl_lists.h"
#include "pstring.h"

// ----------------------------------------------------------------------------------------
// state saving ...
// ----------------------------------------------------------------------------------------

#define PSTATE_INTERFACE(manager, module)               \
    template<class C> ATTR_COLD void save(C &state, const pstring &stname) \
    {                                                                       \
        dynamic_cast<pstate_manager_t &>(manager).save_manager(state, module + "." + stname);  \
    }

enum netlist_data_type_e {
    NOT_SUPPORTED,
    DT_DOUBLE,
    DT_INT64,
    DT_INT8,
    DT_INT,
    DT_BOOLEAN
};

template<typename _ItemType> struct nl_datatype { static const netlist_data_type_e type = netlist_data_type_e(NOT_SUPPORTED); };
//template<typename _ItemType> struct type_checker<_ItemType*> { static const bool is_atom = false; static const bool is_pointer = true; };

#define NETLIST_SAVE_TYPE(TYPE, TYPEDESC) template<> struct nl_datatype<TYPE>{ static const netlist_data_type_e type = netlist_data_type_e(TYPEDESC); }

NETLIST_SAVE_TYPE(double, DT_DOUBLE);
NETLIST_SAVE_TYPE(INT8, DT_INT8);
NETLIST_SAVE_TYPE(UINT8, DT_INT8);
NETLIST_SAVE_TYPE(INT64, DT_INT64);
NETLIST_SAVE_TYPE(UINT64, DT_INT64);
NETLIST_SAVE_TYPE(bool, DT_BOOLEAN);
NETLIST_SAVE_TYPE(UINT32, DT_INT);
NETLIST_SAVE_TYPE(INT32, DT_INT);

struct pstate_entry_t
{
    typedef netlist_list_t<pstate_entry_t *> list_t;

    pstate_entry_t(const pstring &stname, const netlist_data_type_e dt, const int size, const int count, void *ptr) :
        m_name(stname), m_dt(dt), m_size(size), m_count(count), m_ptr(ptr) { }
    pstring m_name;
    netlist_data_type_e m_dt;
    int m_size;
    int m_count;
    void *m_ptr;
};

class pstate_manager_t
{
public:

    ATTR_COLD ~pstate_manager_t();

    template<class C> ATTR_COLD void save_manager(C &state, const pstring &stname)
    {
        save_state_ptr(stname, nl_datatype<C>::type, sizeof(C), 1, &state);
    }

    template<class C> ATTR_COLD void save_manager(C *state, const pstring &stname, const int count)
    {
        save_state_ptr(stname, nl_datatype<C>::type, sizeof(C), count, state);
    }

    template<class C, std::size_t N> ATTR_COLD void save_manager(C (&state)[N], const pstring &stname)
    {
        save_state_ptr(stname, nl_datatype<C>::type, sizeof(C), N, &(state[0]));
    }

    inline const pstate_entry_t::list_t &save_list() const { return m_save; }

protected:
    ATTR_COLD void save_state_ptr(const pstring &stname, const netlist_data_type_e, const int size, const int count, void *ptr);

private:
    pstate_entry_t::list_t m_save;
};

template<> ATTR_COLD inline void pstate_manager_t::save_manager(netlist_time &nlt, const pstring &stname)
{
    save_state_ptr(stname, DT_INT64, sizeof(netlist_time::INTERNALTYPE), 1, nlt.get_internaltype_ptr());
}



#endif /* PSTATE_H_ */