mirror/utils/soci_factory.hpp

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#ifndef MIRROR_UTILS_SOCI_FACTORY_1011291729_HPP
#define MIRROR_UTILS_SOCI_FACTORY_1011291729_HPP

#include <mirror/config.hpp>
#include <mirror/utils/sql_factory.hpp>
#include <soci.h>

MIRROR_NAMESPACE_BEGIN

class soci_fact_data
{
private:
    typedef soci::rowset<soci::row> rowset;
    rowset::const_iterator const & current;

    template <typename T>
    T soci_type(T*);

    long soci_type(short*);
    long soci_type(int*);
    unsigned long soci_type(unsigned short*);
    unsigned long soci_type(unsigned int*);
    double soci_type(float*);
    // TODO: there are probably more types that need to be
    // re-mapped like this
public:
    soci_fact_data(rowset::const_iterator const & iter)
     : current(iter)
    { }

    inline int col_count(void) const
    {
        return current->size();
    }

    inline bool is_ok(int col_index) const
    {
        return current->get_indicator(col_index) == soci::i_ok;
    }

    inline std::string get_name(int col_index) const
    {
        return current->get_properties(col_index).get_name();
    }

    inline int find_column(const std::string& name, int guess) const
    {
        std::size_t i=0, n=col_count();
        while(i != n)
        {
            int x = (i + guess) % n;
            if(get_name(x) == name) return x;
            ++i;
        }
        return -1;
    }

    template <typename T>
    inline T get_as(int col_index)
    {
        return current->get<decltype(soci_type((T*)0))>(col_index);
    }
};

typedef factory_maker<
    sql_fact_source,
    sql_fact_pool,
    sql_fact_enum,
    sql_fact_def_traits<sql_fact_helper, soci_fact_data>
> soci_factory_maker;

typedef factory_maker<
    sql_fact_source,
    sql_fact_pool,
    sql_fact_enum,
    sql_fact_def_traits<sql_fact_quick_helper, soci_fact_data>
> soci_quick_factory_maker;

MIRROR_NAMESPACE_END

#endif //include guard