Golang Command.HasParent方法代碼示例

// Test to see if we have a reason to print See Also information in docs
// Basically this is a test for a parent commend or a subcommand which is
// both not deprecated and not the autogenerated help command.
func hasSeeAlso(cmd *cobra.Command) bool {
	if cmd.HasParent() {
		return true
	}
	for _, c := range cmd.Commands() {
		if !c.IsAvailableCommand() || c.IsHelpCommand() {
			continue
		}
		return true
	}
	return false
}

func genMan(cmd *cobra.Command, header *GenManHeader) []byte {
	// something like `rootcmd subcmd1 subcmd2`
	commandName := cmd.CommandPath()
	// something like `rootcmd-subcmd1-subcmd2`
	dashCommandName := strings.Replace(commandName, " ", "-", -1)

	fillHeader(header, commandName)

	buf := new(bytes.Buffer)

	short := cmd.Short
	long := cmd.Long
	if len(long) == 0 {
		long = short
	}

	manPreamble(buf, header, commandName, short, long)
	manPrintOptions(buf, cmd)
	if len(cmd.Example) > 0 {
		fmt.Fprintf(buf, "# EXAMPLE\n")
		fmt.Fprintf(buf, "```\n%s\n```\n", cmd.Example)
	}
	if hasSeeAlso(cmd) {
		fmt.Fprintf(buf, "# SEE ALSO\n")
		if cmd.HasParent() {
			parentPath := cmd.Parent().CommandPath()
			dashParentPath := strings.Replace(parentPath, " ", "-", -1)
			fmt.Fprintf(buf, "**%s(%s)**", dashParentPath, header.Section)
			cmd.VisitParents(func(c *cobra.Command) {
				if c.DisableAutoGenTag {
					cmd.DisableAutoGenTag = c.DisableAutoGenTag
				}
			})
		}
		children := cmd.Commands()
		sort.Sort(byName(children))
		for i, c := range children {
			if !c.IsAvailableCommand() || c.IsHelpCommand() {
				continue
			}
			if cmd.HasParent() || i > 0 {
				fmt.Fprintf(buf, ", ")
			}
			fmt.Fprintf(buf, "**%s-%s(%s)**", dashCommandName, c.Name(), header.Section)
		}
		fmt.Fprintf(buf, "\n")
	}
	if !cmd.DisableAutoGenTag {
		fmt.Fprintf(buf, "# HISTORY\n%s Auto generated by spf13/cobra\n", header.Date.Format("2-Jan-2006"))
	}
	return buf.Bytes()
}

func GenerateSingle(cmd *cobra.Command, out *bytes.Buffer, linkHandler func(string) string, specs []string) {
	name := cmd.CommandPath()

	short := cmd.Short
	long := cmd.Long
	if len(long) == 0 {
		long = short
	}

	fmt.Fprintf(out, "# %s\n\n", name)
	fmt.Fprintf(out, "%s\n\n", short)
	fmt.Fprintf(out, "## Synopsis\n")
	fmt.Fprintf(out, "\n%s\n\n", long)

	if cmd.Runnable() {
		fmt.Fprintf(out, "```bash\n%s\n```\n\n", cmd.UseLine())
	}

	if len(cmd.Example) > 0 {
		fmt.Fprintf(out, "## Examples\n\n")
		fmt.Fprintf(out, "```bash\n%s\n```\n\n", cmd.Example)
	}

	flags := cmd.NonInheritedFlags()
	flags.SetOutput(out)
	if flags.HasFlags() {
		fmt.Fprintf(out, "## Options\n\n```\n")
		flags.PrintDefaults()
		fmt.Fprintf(out, "```\n\n")
	}

	parentFlags := cmd.InheritedFlags()
	parentFlags.SetOutput(out)
	if parentFlags.HasFlags() {
		fmt.Fprintf(out, "## Options inherited from parent commands\n\n```\n")
		parentFlags.PrintDefaults()
		fmt.Fprintf(out, "```\n\n")
	}

	if len(cmd.Commands()) > 0 {
		fmt.Fprintf(out, "## Subcommands\n\n")
		children := cmd.Commands()
		sort.Sort(byName(children))

		for _, child := range children {
			if len(child.Deprecated) > 0 {
				continue
			}
			cname := name + " " + child.Name()
			link := cname + ".md"
			link = strings.Replace(link, " ", "_", -1)
			fmt.Fprintf(out, "* [%s](%s)\t - %s\n", cname, linkHandler(link), child.Short)
		}
	}

	if len(cmd.Commands()) > 0 && cmd.HasParent() {
		fmt.Fprintf(out, "\n")
	}

	if cmd.HasParent() {
		fmt.Fprintf(out, "## See Also\n\n")
		parent := cmd.Parent()
		pname := parent.CommandPath()
		link := pname + ".md"
		link = strings.Replace(link, " ", "_", -1)
		fmt.Fprintf(out, "* [%s](%s)\t - %s\n", pname, linkHandler(link), parent.Short)
	}

	fmt.Fprintf(out, "\n## Specifications\n\n")
	for _, spec := range specs {
		spec = strings.Replace(spec, RENDER_DIR, "", 1)
		title := strings.Replace(spec, "_", " ", -1)
		title = strings.Replace(title, ".md", "", 1)
		// title = strings.Replace(title, "spec", "specification", 1)
		title = strings.Title(title)
		fmt.Fprintf(out, "* [%s](%s)\n", title, linkHandler(spec))
	}

	fmt.Fprintf(out, "\n")
}

func GenMarkdownCustom(cmd *cobra.Command, w io.Writer, linkHandler func(string) string) error {
	name := cmd.CommandPath()

	short := cmd.Short
	long := cmd.Long
	if len(long) == 0 {
		long = short
	}

	if _, err := fmt.Fprintf(w, "## %s\n\n", name); err != nil {
		return err
	}
	if _, err := fmt.Fprintf(w, "%s\n\n", short); err != nil {
		return err
	}
	if _, err := fmt.Fprintf(w, "### Synopsis\n\n"); err != nil {
		return err
	}
	if _, err := fmt.Fprintf(w, "\n%s\n\n", long); err != nil {
		return err
	}

	if cmd.Runnable() {
		if _, err := fmt.Fprintf(w, "```\n%s\n```\n\n", cmd.UseLine()); err != nil {
			return err
		}
	}

	if len(cmd.Example) > 0 {
		if _, err := fmt.Fprintf(w, "### Examples\n\n"); err != nil {
			return err
		}
		if _, err := fmt.Fprintf(w, "```\n%s\n```\n\n", cmd.Example); err != nil {
			return err
		}
	}

	if err := printOptions(w, cmd, name); err != nil {
		return err
	}
	if hasSeeAlso(cmd) {
		if _, err := fmt.Fprintf(w, "### SEE ALSO\n"); err != nil {
			return err
		}
		if cmd.HasParent() {
			parent := cmd.Parent()
			pname := parent.CommandPath()
			link := pname + ".md"
			link = strings.Replace(link, " ", "_", -1)
			if _, err := fmt.Fprintf(w, "* [%s](%s)\t - %s\n", pname, linkHandler(link), parent.Short); err != nil {
				return err
			}
			cmd.VisitParents(func(c *cobra.Command) {
				if c.DisableAutoGenTag {
					cmd.DisableAutoGenTag = c.DisableAutoGenTag
				}
			})
		}

		children := cmd.Commands()
		sort.Sort(byName(children))

		for _, child := range children {
			if !child.IsAvailableCommand() || child.IsHelpCommand() {
				continue
			}
			cname := name + " " + child.Name()
			link := cname + ".md"
			link = strings.Replace(link, " ", "_", -1)
			if _, err := fmt.Fprintf(w, "* [%s](%s)\t - %s\n", cname, linkHandler(link), child.Short); err != nil {
				return err
			}
		}
		if _, err := fmt.Fprintf(w, "\n"); err != nil {
			return err
		}
	}
	if !cmd.DisableAutoGenTag {
		if _, err := fmt.Fprintf(w, "###### Auto generated by spf13/cobra on %s\n", time.Now().Format("2-Jan-2006")); err != nil {
			return err
		}
	}
	return nil
}