shell

type Cmd struct {
	// Name is the command name.
	Name string

	// Args defines the number of command arguments, meant to be in the
	// Pattern capturing brackets.
	Args int

	// Pattern defines the command syntax and arguments.
	Pattern *regexp.Regexp

	// Syntax defines the Help() command syntax field.
	Syntax string

	// Help defines the Help() command description field.
	Help string

	// Fn defines the command handler.
	Fn CmdFn
}

type CmdFn func(c *Interface, arg []string) (res string, err error)

type Interface struct {
	// Prompt represents the command prompt
	Prompt string
	// Banner represents the welcome message
	Banner string

	// Log represents the interface log file
	Log *os.File

	// ReadWriter represents the terminal connection
	ReadWriter io.ReadWriter

	// Output represents the interface output
	Output io.Writer
	// Terminal represents the VT100 terminal output
	Terminal *term.Terminal
	// Console represents the UEFI Console
	Console *uefi.Console
}