1package cli
 2
 3// CommandCategories is a slice of *CommandCategory.
 4type CommandCategories []*CommandCategory
 5
 6// CommandCategory is a category containing commands.
 7type CommandCategory struct {
 8	Name     string
 9	Commands Commands
10}
11
12func (c CommandCategories) Less(i, j int) bool {
13	return c[i].Name < c[j].Name
14}
15
16func (c CommandCategories) Len() int {
17	return len(c)
18}
19
20func (c CommandCategories) Swap(i, j int) {
21	c[i], c[j] = c[j], c[i]
22}
23
24// AddCommand adds a command to a category.
25func (c CommandCategories) AddCommand(category string, command Command) CommandCategories {
26	for _, commandCategory := range c {
27		if commandCategory.Name == category {
28			commandCategory.Commands = append(commandCategory.Commands, command)
29			return c
30		}
31	}
32	return append(c, &CommandCategory{Name: category, Commands: []Command{command}})
33}
34
35// VisibleCommands returns a slice of the Commands with Hidden=false
36func (c *CommandCategory) VisibleCommands() []Command {
37	ret := []Command{}
38	for _, command := range c.Commands {
39		if !command.Hidden {
40			ret = append(ret, command)
41		}
42	}
43	return ret
44}