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add version information to standalone. closes #35.

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This commit is contained in:
Lars Melchior 2020-06-03 15:00:49 +02:00
parent 1c4a8d1713
commit b3551d686f
2 changed files with 6 additions and 1 deletions
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1
standalone/CMakeLists.txt
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@ -38,3 +38,4 @@ set_target_properties(GreeterStandalone PROPERTIES
) )
target_link_libraries(GreeterStandalone Greeter cxxopts) target_link_libraries(GreeterStandalone Greeter cxxopts)
target_compile_definitions(GreeterStandalone PRIVATE -DGREETER_VERSION=\"${Greeter_VERSION}\")

6
standalone/source/main.cpp
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@ -21,6 +21,7 @@ int main(int argc, char** argv) {
// clang-format off // clang-format off
options.add_options() options.add_options()
("h,help", "Show help") ("h,help", "Show help")
("v,version", "Print the current version")
("n,name", "Name to greet", cxxopts::value(name)->default_value("World")) ("n,name", "Name to greet", cxxopts::value(name)->default_value("World"))
("l,lang", "Language code to use", cxxopts::value(language)->default_value("en")) ("l,lang", "Language code to use", cxxopts::value(language)->default_value("en"))
; ;
@ -31,11 +32,14 @@ int main(int argc, char** argv) {
if (result["help"].as<bool>()) { if (result["help"].as<bool>()) {
std::cout << options.help() << std::endl; std::cout << options.help() << std::endl;
return 0; return 0;
} else if (result["version"].as<bool>()) {
std::cout << "Greeter " << GREETER_VERSION << std::endl;
return 0;
} }
auto langIt = languages.find(language); auto langIt = languages.find(language);
if (langIt == languages.end()) { if (langIt == languages.end()) {
std::cout << "unknown language code: " << language << std::endl; std::cerr << "unknown language code: " << language << std::endl;
return 1; return 1;
} }