#ifndef CLIOPTION_HH

#define CLIOPTION_HH

#include <span>

#include <string>

#include <string_view>

namespace openmsx {

class CLIOption

{

public:

	CLIOption(const CLIOption&) = delete;

	CLIOption(CLIOption&&) = delete;

	CLIOption& operator=(const CLIOption&) = delete;

	CLIOption& operator=(CLIOption&&) = delete;

	virtual void parseOption(const std::string& option,

	                         std::span<std::string>& cmdLine) = 0;

	virtual void parseDone() {}

	[[nodiscard]] virtual std::string_view optionHelp() const = 0;

protected:

	CLIOption() = default;

	~CLIOption() = default;

	[[nodiscard]] static std::string getArgument(

		const std::string& option, std::span<std::string>& cmdLine);

	[[nodiscard]] static std::string peekArgument(const std::span<std::string>& cmdLine);

};

class CLIFileType

{

public:

	CLIFileType(const CLIFileType&) = delete;

	CLIFileType(CLIFileType&&) = delete;

	CLIFileType& operator=(const CLIFileType&) = delete;

	CLIFileType& operator=(CLIFileType&&) = delete;

	virtual void parseFileType(const std::string& filename,

	                           std::span<std::string>& cmdLine) = 0;

	[[nodiscard]] virtual std::string_view fileTypeCategoryName() const = 0;

	[[nodiscard]] virtual std::string_view fileTypeHelp() const = 0;

protected:

	CLIFileType() = default;

	~CLIFileType() = default;

};

} // namespace openmsx

#endif