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* Use vendored go-swagger * vendor go-swagger * revert un wanteed change * remove un-needed GO111MODULE * Update Makefile Co-Authored-By: techknowlogick <matti@mdranta.net>
206 lines
4.7 KiB
Go
Vendored
206 lines
4.7 KiB
Go
Vendored
package flags
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import (
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"fmt"
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"io"
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"runtime"
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"strings"
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"time"
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)
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func manQuote(s string) string {
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return strings.Replace(s, "\\", "\\\\", -1)
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}
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func formatForMan(wr io.Writer, s string) {
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for {
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idx := strings.IndexRune(s, '`')
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if idx < 0 {
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fmt.Fprintf(wr, "%s", manQuote(s))
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break
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}
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fmt.Fprintf(wr, "%s", manQuote(s[:idx]))
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s = s[idx+1:]
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idx = strings.IndexRune(s, '\'')
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if idx < 0 {
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fmt.Fprintf(wr, "%s", manQuote(s))
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break
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}
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fmt.Fprintf(wr, "\\fB%s\\fP", manQuote(s[:idx]))
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s = s[idx+1:]
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}
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}
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func writeManPageOptions(wr io.Writer, grp *Group) {
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grp.eachGroup(func(group *Group) {
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if group.Hidden || len(group.options) == 0 {
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return
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}
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// If the parent (grp) has any subgroups, display their descriptions as
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// subsection headers similar to the output of --help.
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if group.ShortDescription != "" && len(grp.groups) > 0 {
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fmt.Fprintf(wr, ".SS %s\n", group.ShortDescription)
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if group.LongDescription != "" {
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formatForMan(wr, group.LongDescription)
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fmt.Fprintln(wr, "")
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}
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}
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for _, opt := range group.options {
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if !opt.canCli() || opt.Hidden {
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continue
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}
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fmt.Fprintln(wr, ".TP")
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fmt.Fprintf(wr, "\\fB")
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if opt.ShortName != 0 {
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fmt.Fprintf(wr, "\\fB\\-%c\\fR", opt.ShortName)
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}
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if len(opt.LongName) != 0 {
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if opt.ShortName != 0 {
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fmt.Fprintf(wr, ", ")
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}
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fmt.Fprintf(wr, "\\fB\\-\\-%s\\fR", manQuote(opt.LongNameWithNamespace()))
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}
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if len(opt.ValueName) != 0 || opt.OptionalArgument {
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if opt.OptionalArgument {
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fmt.Fprintf(wr, " [\\fI%s=%s\\fR]", manQuote(opt.ValueName), manQuote(strings.Join(quoteV(opt.OptionalValue), ", ")))
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} else {
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fmt.Fprintf(wr, " \\fI%s\\fR", manQuote(opt.ValueName))
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}
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}
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if len(opt.Default) != 0 {
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fmt.Fprintf(wr, " <default: \\fI%s\\fR>", manQuote(strings.Join(quoteV(opt.Default), ", ")))
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} else if len(opt.EnvDefaultKey) != 0 {
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if runtime.GOOS == "windows" {
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fmt.Fprintf(wr, " <default: \\fI%%%s%%\\fR>", manQuote(opt.EnvDefaultKey))
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} else {
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fmt.Fprintf(wr, " <default: \\fI$%s\\fR>", manQuote(opt.EnvDefaultKey))
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}
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}
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if opt.Required {
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fmt.Fprintf(wr, " (\\fIrequired\\fR)")
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}
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fmt.Fprintln(wr, "\\fP")
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if len(opt.Description) != 0 {
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formatForMan(wr, opt.Description)
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fmt.Fprintln(wr, "")
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}
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}
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})
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}
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func writeManPageSubcommands(wr io.Writer, name string, root *Command) {
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commands := root.sortedVisibleCommands()
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for _, c := range commands {
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var nn string
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if c.Hidden {
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continue
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}
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if len(name) != 0 {
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nn = name + " " + c.Name
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} else {
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nn = c.Name
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}
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writeManPageCommand(wr, nn, root, c)
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}
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}
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func writeManPageCommand(wr io.Writer, name string, root *Command, command *Command) {
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fmt.Fprintf(wr, ".SS %s\n", name)
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fmt.Fprintln(wr, command.ShortDescription)
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if len(command.LongDescription) > 0 {
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fmt.Fprintln(wr, "")
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cmdstart := fmt.Sprintf("The %s command", manQuote(command.Name))
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if strings.HasPrefix(command.LongDescription, cmdstart) {
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fmt.Fprintf(wr, "The \\fI%s\\fP command", manQuote(command.Name))
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formatForMan(wr, command.LongDescription[len(cmdstart):])
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fmt.Fprintln(wr, "")
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} else {
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formatForMan(wr, command.LongDescription)
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fmt.Fprintln(wr, "")
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}
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}
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var usage string
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if us, ok := command.data.(Usage); ok {
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usage = us.Usage()
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} else if command.hasCliOptions() {
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usage = fmt.Sprintf("[%s-OPTIONS]", command.Name)
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}
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var pre string
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if root.hasCliOptions() {
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pre = fmt.Sprintf("%s [OPTIONS] %s", root.Name, command.Name)
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} else {
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pre = fmt.Sprintf("%s %s", root.Name, command.Name)
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}
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if len(usage) > 0 {
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fmt.Fprintf(wr, "\n\\fBUsage\\fP: %s %s\n.TP\n", manQuote(pre), manQuote(usage))
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}
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if len(command.Aliases) > 0 {
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fmt.Fprintf(wr, "\n\\fBAliases\\fP: %s\n\n", manQuote(strings.Join(command.Aliases, ", ")))
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}
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writeManPageOptions(wr, command.Group)
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writeManPageSubcommands(wr, name, command)
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}
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// WriteManPage writes a basic man page in groff format to the specified
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// writer.
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func (p *Parser) WriteManPage(wr io.Writer) {
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t := time.Now()
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fmt.Fprintf(wr, ".TH %s 1 \"%s\"\n", manQuote(p.Name), t.Format("2 January 2006"))
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fmt.Fprintln(wr, ".SH NAME")
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fmt.Fprintf(wr, "%s \\- %s\n", manQuote(p.Name), manQuote(p.ShortDescription))
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fmt.Fprintln(wr, ".SH SYNOPSIS")
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usage := p.Usage
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if len(usage) == 0 {
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usage = "[OPTIONS]"
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}
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fmt.Fprintf(wr, "\\fB%s\\fP %s\n", manQuote(p.Name), manQuote(usage))
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fmt.Fprintln(wr, ".SH DESCRIPTION")
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formatForMan(wr, p.LongDescription)
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fmt.Fprintln(wr, "")
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fmt.Fprintln(wr, ".SH OPTIONS")
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writeManPageOptions(wr, p.Command.Group)
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if len(p.visibleCommands()) > 0 {
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fmt.Fprintln(wr, ".SH COMMANDS")
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writeManPageSubcommands(wr, "", p.Command)
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}
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}
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