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JMS #5: Starting support for subcommand docs

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This commit is contained in:
Jeremy Saenz 2013-07-20 10:20:46 -07:00
parent 6dbfe20872
commit 0dd327f6e5
1 changed files with 25 additions and 13 deletions
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38
help.go
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@ -12,28 +12,40 @@ var helpCommand = Command{
ShortName: "h", ShortName: "h",
Usage: "Shows a list of commands or help for one command", Usage: "Shows a list of commands or help for one command",
Action: func(c *Context) { Action: func(c *Context) {
helpTemplate := `NAME: args := c.Args()
{{.Name}} - {{.Usage}} if len(args) > 0 {
showCommandHelp(c)
} else {
showAppHelp(c)
}
},
}
func showAppHelp(c *Context) {
helpTemplate := `NAME:
{{.Name}} - {{.Usage}}
USAGE: USAGE:
{{.Name}} [global options] command [command options] [arguments...] {{.Name}} [global options] command [command options] [arguments...]
VERSION: VERSION:
{{.Version}} {{.Version}}
COMMANDS: COMMANDS:
{{range .Commands}}{{.Name}}{{with .ShortName}}, {{.}}{{end}}{{ "\t" }}{{.Usage}} {{range .Commands}}{{.Name}}{{with .ShortName}}, {{.}}{{end}}{{ "\t" }}{{.Usage}}
{{end}} {{end}}
GLOBAL OPTIONS: GLOBAL OPTIONS:
{{range .Flags}}{{.}} {{range .Flags}}{{.}}
{{end}} {{end}}
` `
w := tabwriter.NewWriter(os.Stdout, 0, 8, 1, '\t', 0) w := tabwriter.NewWriter(os.Stdout, 0, 8, 1, '\t', 0)
t := template.Must(template.New("help").Parse(helpTemplate)) t := template.Must(template.New("help").Parse(helpTemplate))
t.Execute(w, c.App) t.Execute(w, c.App)
w.Flush() w.Flush()
}, }
func showCommandHelp(c *Context) {
} }
func showVersion(c *Context) { func showVersion(c *Context) {