mirror of https://github.com/databricks/cli.git
84 lines
1.8 KiB
Go
84 lines
1.8 KiB
Go
package cmdgroup
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import (
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"io"
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"strings"
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"text/template"
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"unicode"
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"github.com/spf13/cobra"
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"github.com/spf13/pflag"
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)
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type CommandWithGroupFlag struct {
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cmd *cobra.Command
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flagGroups []*FlagGroup
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}
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func (c *CommandWithGroupFlag) Command() *cobra.Command {
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return c.cmd
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}
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func (c *CommandWithGroupFlag) FlagGroups() []*FlagGroup {
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return c.flagGroups
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}
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func NewCommandWithGroupFlag(cmd *cobra.Command) *CommandWithGroupFlag {
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cmdWithFlagGroups := &CommandWithGroupFlag{cmd: cmd, flagGroups: make([]*FlagGroup, 0)}
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cmd.SetUsageFunc(func(c *cobra.Command) error {
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err := tmpl(c.OutOrStderr(), c.UsageTemplate(), cmdWithFlagGroups)
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if err != nil {
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c.PrintErrln(err)
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}
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return nil
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})
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cmd.SetUsageTemplate(usageTemplate)
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return cmdWithFlagGroups
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}
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func (c *CommandWithGroupFlag) AddFlagGroup(name string) *FlagGroup {
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fg := &FlagGroup{name: name, flagSet: pflag.NewFlagSet(name, pflag.ContinueOnError)}
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c.flagGroups = append(c.flagGroups, fg)
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return fg
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}
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type FlagGroup struct {
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name string
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description string
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flagSet *pflag.FlagSet
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}
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func (c *FlagGroup) Name() string {
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return c.name
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}
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func (c *FlagGroup) Description() string {
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return c.description
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}
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func (c *FlagGroup) SetDescription(description string) {
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c.description = description
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}
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func (c *FlagGroup) FlagSet() *pflag.FlagSet {
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return c.flagSet
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}
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var templateFuncs = template.FuncMap{
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"trim": strings.TrimSpace,
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"trimRightSpace": trimRightSpace,
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"trimTrailingWhitespaces": trimRightSpace,
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}
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func trimRightSpace(s string) string {
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return strings.TrimRightFunc(s, unicode.IsSpace)
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}
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// tmpl executes the given template text on data, writing the result to w.
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func tmpl(w io.Writer, text string, data interface{}) error {
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t := template.New("top")
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t.Funcs(templateFuncs)
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template.Must(t.Parse(text))
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return t.Execute(w, data)
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}
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