console_command.h

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#pragma once
 
#include <memory>
#include <string>
#include <string_view>
 
#include <rex/platform.h>
#include <rex/result.h>
#include <rex/setting.h>
#include <rex/utility.h>
 
namespace rex {

class REX_API ConsoleCommand : public NonCopyable {
 public:
  ConsoleCommand(SettingOwner* owner, std::string_view name, std::string_view help,
                 MoveOnlyFunction<Result<void>(std::string_view args)> run);
 
  ~ConsoleCommand();

  const std::string& GetName() const;
 
  const std::string& GetHelp() const;
 
  [[nodiscard]] Result<void> Run(std::string_view args);
 
 private:
  struct State;
  std::unique_ptr<State> state_;
};
 
}  // namespace rex

#define REX_COMMAND(name, help, fn) \
  ::rex::ConsoleCommand name {      \
    this, #name, help, fn           \
  }