Main.h

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#ifndef ELEMENTSKERNEL_ELEMENTSKERNEL_MAIN_H_
#define ELEMENTSKERNEL_ELEMENTSKERNEL_MAIN_H_
 
#include <exception>  // for set_terminate
#include <log4cpp/Priority.hh>
#include <memory>  // for unique_ptr
 
#include "ElementsKernel/Exit.h"            // for ExitCode
#include "ElementsKernel/Export.h"          // for ELEMENTS_API
#include "ElementsKernel/Module.h"          // for Module
#include "ElementsKernel/ProgramManager.h"  // for ProgramManager
#include "ElementsKernel/Project.h"         // for Project
#include "ElementsKernel/Unused.h"          // for ELEMENTS_UNUSED
 
#ifndef ELEMENTS_DEFAULT_LOGLEVEL
#define ELEMENTS_DEFAULT_LOGLEVEL DEBUG
#endif
 
#define CREATE_MANAGER_WITH_ARGS(MANAGER, ELEMENTS_PROGRAM, ...)                                                       \
  Elements::ProgramManager MANAGER {                                                                                   \
    std::unique_ptr<Elements::Program>{new ELEMENTS_PROGRAM{__VA_ARGS__}}, Elements::Project::versionString(),         \
        Elements::Project::name(), Elements::Project::vcsVersion(), Elements::Module::versionString(),                 \
        Elements::Module::name(), Elements::Project::searchDirectories(), log4cpp::Priority::ELEMENTS_DEFAULT_LOGLEVEL \
  }
 
#define CREATE_MANAGER(ELEMENTS_PROGRAM_NAME, MANAGER) CREATE_MANAGER_WITH_ARGS(MANAGER, ELEMENTS_PROGRAM_NAME, )
 
#define MAIN_FOR_WITH_ARGS(ELEMENTS_PROGRAM, ...)                                                                      \
  ELEMENTS_UNUSED const auto installed = {std::set_terminate(&Elements::ProgramManager::onTerminate)};                 \
  ELEMENTS_API int           main(int argc, char* argv[]) {                                                            \
    CREATE_MANAGER_WITH_ARGS(manager, ELEMENTS_PROGRAM, __VA_ARGS__);                                        \
    Elements::ExitCode exit_code = manager.run(argc, argv);                                                  \
    return static_cast<Elements::ExitCodeType>(exit_code);                                                   \
  }
 
#define MAIN_FOR(ELEMENTS_PROGRAM_NAME) MAIN_FOR_WITH_ARGS(ELEMENTS_PROGRAM_NAME, )
 
#endif  // ELEMENTSKERNEL_ELEMENTSKERNEL_MAIN_H_