- MainFunction(F code, std::vector<std::string> args) :
- code_(std::move(code)),
- args_(std::make_shared<const std::vector<std::string>>(std::move(args)))
- {}
+ MainFunction(F code, std::vector<std::string> args)
+ : code_(std::move(code)), args_(std::make_shared<const std::vector<std::string>>(std::move(args)))
+ {
+ }
+ void operator()() const
+ {
+ const int argc = args_->size();
+ std::vector<std::string> args = *args_;
+ if (not args.empty()) {
+ char noarg[] = {'\0'};
+ std::unique_ptr<char* []> argv(new char*[argc + 1]);
+ for (int i = 0; i != argc; ++i)
+ argv[i] = args[i].empty() ? noarg : &args[i].front();
+ argv[argc] = nullptr;
+ code_(argc, argv.get());
+ } else
+ code_(argc, nullptr);
+ }
+};
+class MainStdFunction {
+private:
+ void (*code_)(std::vector<std::string>);
+ std::shared_ptr<const std::vector<std::string>> args_;
+
+public:
+ MainStdFunction(void (*code)(std::vector<std::string>), std::vector<std::string> args)
+ : code_(std::move(code)), args_(std::make_shared<const std::vector<std::string>>(std::move(args)))
+ {
+ }