Elements  5.12
A C++ base framework for the Euclid Software.
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SimpleProgram.h
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1 
28 #ifndef ELEMENTSKERNEL_ELEMENTSKERNEL_SIMPLEPROGRAM_H_
29 #define ELEMENTSKERNEL_ELEMENTSKERNEL_SIMPLEPROGRAM_H_
30 
31 #include "ElementsKernel/Export.h"
32 #include "ElementsKernel/Main.h"
33 #include "ElementsKernel/Path.h"
34 
35 namespace Elements {
36 
37 // Forward declaration. We don't need the definition right now.
38 enum class ExitCode;
39 
41 
42 public:
43 
44  ELEMENTS_API ExitCode run(int argc, char** argv) noexcept;
45  ELEMENTS_API const Path::Item& getProgramPath() const;
46  ELEMENTS_API const Path::Item& getProgramName() const;
47 
48 
49 protected:
50 
51  SimpleProgram() = default;
52  virtual ~SimpleProgram();
53 
54  virtual ExitCode main() = 0;
55  virtual void defineOptions() = 0;
56 
57 private:
58 
59  void setup(int argc, char** argv);
60 
61 private:
62 
65 
66 };
67 
73 } // namespace Elements
74 
86 #define MAIN(ELEMENTS_PROGRAM) \
87  ELEMENTS_API int main(int argc, char* argv[]) \
88  { \
89  auto program = ELEMENTS_PROGRAM();\
90  Elements::ExitCode exit_code = program.run(argc, argv); \
91  return static_cast<Elements::ExitCodeType>(exit_code); \
92  }
93 
94 #endif // ELEMENTSKERNEL_ELEMENTSKERNEL_SIMPLEPROGRAM_H_
95 
ExitCode
Strongly typed exit numbers.
Definition: Exit.h:98
defines the macros to be used for explicit export of the symbols
Definition of the top macro to create an Elements program.
#define ELEMENTS_API
Dummy definitions for the backward compatibility mode.
Definition: Export.h:74
boost::filesystem::path Item
Definition: Path.h:61
provide functions to retrieve resources pointed by environment variables