QueryResultStructured.h File Reference

#include <boost/preprocessor/cat.hpp>
#include <boost/preprocessor/comma_if.hpp>
#include <boost/preprocessor/facilities/empty.hpp>
#include <boost/preprocessor/seq/enum.hpp>
#include <boost/preprocessor/seq/for_each.hpp>
#include <boost/preprocessor/seq/for_each_i.hpp>
#include <boost/preprocessor/stringize.hpp>

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Macros
#define	DEFINE_FIELD_ACCESSOR_CACHE_FIELD_INDEX_INIT(r, data, i, field)   BOOST_PP_COMMA_IF(i) field(result.GetFieldMetadata(BOOST_PP_STRINGIZE(field)).Index)
#define	DEFINE_FIELD_ACCESSOR_CACHE_FIELD(r, data, field)
#define	DEFINE_FIELD_ACCESSOR_CACHE(namespace_name, struct_name, result_type, fields_list)
#define	DEFINE_FIELD_ACCESSOR_CACHE_ANONYMOUS(result_type, fields_list)   DEFINE_FIELD_ACCESSOR_CACHE(BOOST_PP_EMPTY(), BOOST_PP_CAT(FieldAccessors, __LINE__), result_type, fields_list)

Macro Definition Documentation

DEFINE_FIELD_ACCESSOR_CACHE

#define DEFINE_FIELD_ACCESSOR_CACHE	(		namespace_name,
			struct_name,
			result_type,
			fields_list
	)

Value:

    struct namespace_name struct_name \
    { \
        struct Indexes\
        {\
            Indexes(result_type const& result) :\
            BOOST_PP_SEQ_FOR_EACH_I(DEFINE_FIELD_ACCESSOR_CACHE_FIELD_INDEX_INIT, ~, fields_list) { }\
            std::size_t BOOST_PP_SEQ_ENUM(fields_list);\
        };\
        BOOST_PP_SEQ_FOR_EACH(DEFINE_FIELD_ACCESSOR_CACHE_FIELD, ~, fields_list) \
        struct_name(result_type const& result) : Fields(result.Fetch()), indexes(indexes_impl(result)) { }\
        Field* Fields; \
        static Indexes const& indexes_impl(result_type const& result) noexcept { static Indexes const instance(result); return instance; }\
        Indexes const& indexes;\
    }

Definition at line 36 of file QueryResultStructured.h.

DEFINE_FIELD_ACCESSOR_CACHE_ANONYMOUS

#define DEFINE_FIELD_ACCESSOR_CACHE_ANONYMOUS	(		result_type,
			fields_list
	)		DEFINE_FIELD_ACCESSOR_CACHE(BOOST_PP_EMPTY(), BOOST_PP_CAT(FieldAccessors, __LINE__), result_type, fields_list)

Definition at line 52 of file QueryResultStructured.h.

DEFINE_FIELD_ACCESSOR_CACHE_FIELD

#define DEFINE_FIELD_ACCESSOR_CACHE_FIELD	(		r,
			data,
			field
	)

Value:

    Field const& field() const\
    {\
        return Fields[indexes.field];\
    }

Definition at line 31 of file QueryResultStructured.h.

DEFINE_FIELD_ACCESSOR_CACHE_FIELD_INDEX_INIT

#define DEFINE_FIELD_ACCESSOR_CACHE_FIELD_INDEX_INIT	(		r,
			data,
			i,
			field
	)		BOOST_PP_COMMA_IF(i) field(result.GetFieldMetadata(BOOST_PP_STRINGIZE(field)).Index)

Definition at line 29 of file QueryResultStructured.h.