如何自动生成Google DFP广告管理系统代码？

mkdir my_dfp_project
cd my_dfp_project
cmake ..

find_package(Boost REQUIRED COMPONENTS system thread)
find_package(GoogleUtilities REQUIRED)
find_library(DFP_LIBRARY_DEBUG NAMES dfp_libdfp_main-d)
find_library(DFP_LIBRARY_RELEASE NAMES dfp_libdfp_main)

include_directories(${Boost_INCLUDE_DIRS} ${GoogleUtilities_INCLUDE_DIRS})

add_library(dfp_main SHARED
    ${CMAKE_SOURCE_DIR}/src/dfp_main.cpp
    ${CMAKE_SOURCE_DIR}/src/dfp_util.cpp
)

target_link_libraries(dfp_main
    ${DFP_LIBRARY_DEBUG}
    ${DFP_LIBRARY_RELEASE}
    ${Boost_LIBRARIES}
    ${GoogleUtilities_LIBRARIES}
)

char *ad_unit_id;

char *ad_format;

char *video_id;

int video_duration;

double bid_floor;

int status;

char *error_message;

int error_code;

DFP_CLASS();

~DFP_CLASS();

int init(const char *ad_unit_id, const char *ad_format, const char *video_id, int video_duration,

         double bid_floor);

int set_adv_params(const char *params_json);

int set_video_params(const char *video_id, int video_duration);

int set_targeting_params(const char *targeting_json);

int set_pricing_params(const char *pricing_json);

int set_ad_response_params(const char *ad_response_json);

int set_video_response_params(const char *video_response_json);

int send_ad_request(const char *ad_id);

int send_video_request(const char *video_id);

int set_callback(const char *callback_url);

int set_logging(bool enable_logging);

int set_targeting(const char *targeting_str);

int set_pricing(const char *pricing_str);

int set_video_params(const char *video_json);

int set_ad_params(const char *ad_json);

int set_ad_response(const char *ad_response_str);

int set_video_response(const char *video_response_str);

int add_headers(const char *header_str);

int set_user_agent(const char *user_agent_str);

int set_logger(logger_func_t logger_func);

int set_http_proxy(const char *http_proxy_addr);

int set_https_proxy(const char *https_proxy_addr);

int set_no_proxy(const char *no_proxy_hosts);

int set_max