Method CommandTree

help.go:530–557

CommandTree creates a tree with the given node name as root and its children's arguments and sub commands as leaves.

(node *Node, prefix string)

// CommandTree creates a tree with the given node name as root and its children's arguments and sub commands as leaves.
func (h *HelpOptions) CommandTree(node *Node, prefix string) (rows [][2]string) {
	var nodeName string
	switch node.Type {
	default:
		nodeName += prefix + node.Name
		if len(node.Aliases) != 0 {
			nodeName += fmt.Sprintf(" (%s)", strings.Join(node.Aliases, ","))
		}
	case ArgumentNode:
		nodeName += prefix + "<" + node.Name + ">"
	}
	rows = append(rows, [2]string{nodeName, node.Help})
	if h.Indenter == nil {
		prefix = SpaceIndenter(prefix)
	} else {
		prefix = h.Indenter(prefix)
	}
	for _, arg := range node.Positional {
		rows = append(rows, [2]string{prefix + arg.Summary(), arg.Help})
	}
	for _, subCmd := range node.Children {
		if subCmd.Hidden {
			continue
		}
		rows = append(rows, h.CommandTree(subCmd, prefix)...)
	}
	return
}

// SpaceIndenter adds a space indent to the given prefix.
func SpaceIndenter(prefix string) string {