cmd/option.go

package cmd

import (
	"go.fifitido.net/cmd/opt"
)

type Option func(*Command)

func WithShortDescription(s string) Option {
	return func(c *Command) {
		c.ShortDescription = s
	}
}

func WithLongDescription(s string) Option {
	return func(c *Command) {
		c.LongDescription = s
	}
}

func WithArgument(name string, required bool) Option {
	return func(c *Command) {
		c.Args = append(c.Args, &Argument{name, required})
	}
}

func WithArguments(args ...*Argument) Option {
	return func(c *Command) {
		c.Args = append(c.Args, args...)
	}
}

func WithOption(f opt.Option) Option {
	return func(c *Command) {
		c.Opts = append(c.Opts, f)
	}
}

func WithOptions(os ...opt.Option) Option {
	return func(c *Command) {
		c.Opts = append(c.Opts, os...)
	}
}

func WithSubcommand(s *Command) Option {
	return func(c *Command) {
		c.Subcommands.Add(s)
		s.Parent = c
	}
}

func WithSubcommands(ss ...*Command) Option {
	return func(c *Command) {
		for _, s := range ss {
			c.Subcommands.Add(s)
			s.Parent = c
		}
	}
}

func WithParent(p *Command) Option {
	return func(c *Command) {
		c.Parent = p
		p.Subcommands.Add(c)
	}
}

func WithRunFunc(r func(args []string)) Option {
	return func(c *Command) {
		c.run = r
	}
}

func WithRunErrFunc(r func(args []string) error) Option {
	return func(c *Command) {
		c.run = func(args []string) {
			if err := r(args); err != nil {
				panic(err)
			}
		}
	}
}