Add generated file

This PR adds generated files under pkg/client and vendor folder.

vendor/k8s.io/kubernetes/pkg/kubectl/cmd/templates/templater.go

@@ -0,0 +1,293 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package templates
+
+import (
+	"bytes"
+	"fmt"
+	"strings"
+	"text/template"
+	"unicode"
+
+	"k8s.io/kubernetes/pkg/kubectl/util/term"
+
+	"github.com/spf13/cobra"
+	flag "github.com/spf13/pflag"
+)
+
+type FlagExposer interface {
+	ExposeFlags(cmd *cobra.Command, flags ...string) FlagExposer
+}
+
+func ActsAsRootCommand(cmd *cobra.Command, filters []string, groups ...CommandGroup) FlagExposer {
+	if cmd == nil {
+		panic("nil root command")
+	}
+	templater := &templater{
+		RootCmd:       cmd,
+		UsageTemplate: MainUsageTemplate(),
+		HelpTemplate:  MainHelpTemplate(),
+		CommandGroups: groups,
+		Filtered:      filters,
+	}
+	cmd.SetUsageFunc(templater.UsageFunc())
+	cmd.SetHelpFunc(templater.HelpFunc())
+	return templater
+}
+
+func UseOptionsTemplates(cmd *cobra.Command) {
+	templater := &templater{
+		UsageTemplate: OptionsUsageTemplate(),
+		HelpTemplate:  OptionsHelpTemplate(),
+	}
+	cmd.SetUsageFunc(templater.UsageFunc())
+	cmd.SetHelpFunc(templater.HelpFunc())
+}
+
+type templater struct {
+	UsageTemplate string
+	HelpTemplate  string
+	RootCmd       *cobra.Command
+	CommandGroups
+	Filtered []string
+}
+
+func (templater *templater) ExposeFlags(cmd *cobra.Command, flags ...string) FlagExposer {
+	cmd.SetUsageFunc(templater.UsageFunc(flags...))
+	return templater
+}
+
+func (templater *templater) HelpFunc() func(*cobra.Command, []string) {
+	return func(c *cobra.Command, s []string) {
+		t := template.New("help")
+		t.Funcs(templater.templateFuncs())
+		template.Must(t.Parse(templater.HelpTemplate))
+		out := term.NewResponsiveWriter(c.OutOrStdout())
+		err := t.Execute(out, c)
+		if err != nil {
+			c.Println(err)
+		}
+	}
+}
+
+func (templater *templater) UsageFunc(exposedFlags ...string) func(*cobra.Command) error {
+	return func(c *cobra.Command) error {
+		t := template.New("usage")
+		t.Funcs(templater.templateFuncs(exposedFlags...))
+		template.Must(t.Parse(templater.UsageTemplate))
+		out := term.NewResponsiveWriter(c.OutOrStderr())
+		return t.Execute(out, c)
+	}
+}
+
+func (templater *templater) templateFuncs(exposedFlags ...string) template.FuncMap {
+	return template.FuncMap{
+		"trim":                strings.TrimSpace,
+		"trimRight":           func(s string) string { return strings.TrimRightFunc(s, unicode.IsSpace) },
+		"trimLeft":            func(s string) string { return strings.TrimLeftFunc(s, unicode.IsSpace) },
+		"gt":                  cobra.Gt,
+		"eq":                  cobra.Eq,
+		"rpad":                rpad,
+		"appendIfNotPresent":  appendIfNotPresent,
+		"flagsNotIntersected": flagsNotIntersected,
+		"visibleFlags":        visibleFlags,
+		"flagsUsages":         flagsUsages,
+		"cmdGroups":           templater.cmdGroups,
+		"cmdGroupsString":     templater.cmdGroupsString,
+		"rootCmd":             templater.rootCmdName,
+		"isRootCmd":           templater.isRootCmd,
+		"optionsCmdFor":       templater.optionsCmdFor,
+		"usageLine":           templater.usageLine,
+		"exposed": func(c *cobra.Command) *flag.FlagSet {
+			exposed := flag.NewFlagSet("exposed", flag.ContinueOnError)
+			if len(exposedFlags) > 0 {
+				for _, name := range exposedFlags {
+					if flag := c.Flags().Lookup(name); flag != nil {
+						exposed.AddFlag(flag)
+					}
+				}
+			}
+			return exposed
+		},
+	}
+}
+
+func (templater *templater) cmdGroups(c *cobra.Command, all []*cobra.Command) []CommandGroup {
+	if len(templater.CommandGroups) > 0 && c == templater.RootCmd {
+		all = filter(all, templater.Filtered...)
+		return AddAdditionalCommands(templater.CommandGroups, "Other Commands:", all)
+	}
+	all = filter(all, "options")
+	return []CommandGroup{
+		{
+			Message:  "Available Commands:",
+			Commands: all,
+		},
+	}
+}
+
+func (t *templater) cmdGroupsString(c *cobra.Command) string {
+	groups := []string{}
+	for _, cmdGroup := range t.cmdGroups(c, c.Commands()) {
+		cmds := []string{cmdGroup.Message}
+		for _, cmd := range cmdGroup.Commands {
+			if cmd.IsAvailableCommand() {
+				cmds = append(cmds, "  "+rpad(cmd.Name(), cmd.NamePadding())+" "+cmd.Short)
+			}
+		}
+		groups = append(groups, strings.Join(cmds, "\n"))
+	}
+	return strings.Join(groups, "\n\n")
+}
+
+func (t *templater) rootCmdName(c *cobra.Command) string {
+	return t.rootCmd(c).CommandPath()
+}
+
+func (t *templater) isRootCmd(c *cobra.Command) bool {
+	return t.rootCmd(c) == c
+}
+
+func (t *templater) parents(c *cobra.Command) []*cobra.Command {
+	parents := []*cobra.Command{c}
+	for current := c; !t.isRootCmd(current) && current.HasParent(); {
+		current = current.Parent()
+		parents = append(parents, current)
+	}
+	return parents
+}
+
+func (t *templater) rootCmd(c *cobra.Command) *cobra.Command {
+	if c != nil && !c.HasParent() {
+		return c
+	}
+	if t.RootCmd == nil {
+		panic("nil root cmd")
+	}
+	return t.RootCmd
+}
+
+func (t *templater) optionsCmdFor(c *cobra.Command) string {
+	if !c.Runnable() {
+		return ""
+	}
+	rootCmdStructure := t.parents(c)
+	for i := len(rootCmdStructure) - 1; i >= 0; i-- {
+		cmd := rootCmdStructure[i]
+		if _, _, err := cmd.Find([]string{"options"}); err == nil {
+			return cmd.CommandPath() + " options"
+		}
+	}
+	return ""
+}
+
+func (t *templater) usageLine(c *cobra.Command) string {
+	usage := c.UseLine()
+	suffix := "[options]"
+	if c.HasFlags() && !strings.Contains(usage, suffix) {
+		usage += " " + suffix
+	}
+	return usage
+}
+
+func flagsUsages(f *flag.FlagSet) string {
+	x := new(bytes.Buffer)
+
+	f.VisitAll(func(flag *flag.Flag) {
+		if flag.Hidden {
+			return
+		}
+		format := "--%s=%s: %s\n"
+
+		if flag.Value.Type() == "string" {
+			format = "--%s='%s': %s\n"
+		}
+
+		if len(flag.Shorthand) > 0 {
+			format = "  -%s, " + format
+		} else {
+			format = "   %s   " + format
+		}
+
+		fmt.Fprintf(x, format, flag.Shorthand, flag.Name, flag.DefValue, flag.Usage)
+	})
+
+	return x.String()
+}
+
+func rpad(s string, padding int) string {
+	template := fmt.Sprintf("%%-%ds", padding)
+	return fmt.Sprintf(template, s)
+}
+
+func indentLines(s string, indentation int) string {
+	r := []string{}
+	for _, line := range strings.Split(s, "\n") {
+		indented := strings.Repeat(" ", indentation) + line
+		r = append(r, indented)
+	}
+	return strings.Join(r, "\n")
+}
+
+func appendIfNotPresent(s, stringToAppend string) string {
+	if strings.Contains(s, stringToAppend) {
+		return s
+	}
+	return s + " " + stringToAppend
+}
+
+func flagsNotIntersected(l *flag.FlagSet, r *flag.FlagSet) *flag.FlagSet {
+	f := flag.NewFlagSet("notIntersected", flag.ContinueOnError)
+	l.VisitAll(func(flag *flag.Flag) {
+		if r.Lookup(flag.Name) == nil {
+			f.AddFlag(flag)
+		}
+	})
+	return f
+}
+
+func visibleFlags(l *flag.FlagSet) *flag.FlagSet {
+	hidden := "help"
+	f := flag.NewFlagSet("visible", flag.ContinueOnError)
+	l.VisitAll(func(flag *flag.Flag) {
+		if flag.Name != hidden {
+			f.AddFlag(flag)
+		}
+	})
+	return f
+}
+
+func filter(cmds []*cobra.Command, names ...string) []*cobra.Command {
+	out := []*cobra.Command{}
+	for _, c := range cmds {
+		if c.Hidden {
+			continue
+		}
+		skip := false
+		for _, name := range names {
+			if name == c.Name() {
+				skip = true
+				break
+			}
+		}
+		if skip {
+			continue
+		}
+		out = append(out, c)
+	}
+	return out
+}