root/lang/objective-cplusplus/i3/trunk/src/ConfigFile.h @ 34447

#pragma once
#include "Common.h"
#include <boost/preprocessor/cat.hpp>
#include <boost/preprocessor/seq/for_each.hpp>
#include <boost/preprocessor/control/if.hpp>
#include <boost/cstdint.hpp>

#define I3_CONFIG_integer       0
#define I3_CONFIG_string        1
#define I3_CONFIG_integer_array 2
#define I3_CONFIG_string_array  3

#define CONFIG_MEMBER(type, name) ((I3_CONFIG_##type, name, #name))

#define CONFIG_MEMBERS \
    CONFIG_MEMBER(integer,       integer_key) \
    CONFIG_MEMBER(string ,       string_key) \
    CONFIG_MEMBER(integer_array, integer_array_key) \
    CONFIG_MEMBER(string_array,  string_array_key)

namespace i3 {

struct Config {
    ////MACRO WILL BE EXPANDED
    //boost::int32_t i;
    //TCHAR* s;
    //std::vector<boost::int32_t> ia;
    //std::vector<TCHAR*> sa;

#define I3_CONFIG_MACRO(r, data, elem) \
            BOOST_PP_IF(BOOST_PP_EQUAL(BOOST_PP_TUPLE_ELEM(3, 0, elem), I3_CONFIG_integer) , boost::int32_t, \
                    BOOST_PP_IF(BOOST_PP_EQUAL(BOOST_PP_TUPLE_ELEM(3, 0, elem), I3_CONFIG_string) , TCHAR*, \
                        BOOST_PP_IF(BOOST_PP_EQUAL(BOOST_PP_TUPLE_ELEM(3, 0, elem), I3_CONFIG_integer_array) , std::vector<boost::int32_t>, std::vector<TCHAR*>))) \
            BOOST_PP_TUPLE_ELEM(3, 1, elem);

    BOOST_PP_SEQ_FOR_EACH(I3_CONFIG_MACRO, data, CONFIG_MEMBERS)
    ;
};


Config parse_config(const TCHAR* str);

}