You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
93 lines
2.3 KiB
93 lines
2.3 KiB
// cli is the module for customized cli structures for cobra command.
|
|
// The module is a wrapper over spf13/pflag, and serve to clean the code structure.
|
|
|
|
package cli
|
|
|
|
import "github.com/spf13/pflag"
|
|
|
|
// Flag is the interface for cli flags.
|
|
// To get the value after cli parsing, use fs.GetString(flag.Name)
|
|
type Flag interface {
|
|
RegisterTo(fs *pflag.FlagSet) error
|
|
}
|
|
|
|
// StringFlag is the flag with string value
|
|
type StringFlag struct {
|
|
Name string
|
|
Shorthand string
|
|
Usage string
|
|
Deprecated string
|
|
Hidden bool
|
|
|
|
DefValue string
|
|
}
|
|
|
|
// RegisterTo register the string flag to FlagSet
|
|
func (f StringFlag) RegisterTo(fs *pflag.FlagSet) error {
|
|
fs.StringP(f.Name, f.Shorthand, f.DefValue, f.Usage)
|
|
return markHiddenOrDeprecated(fs, f.Name, f.Deprecated, f.Hidden)
|
|
}
|
|
|
|
// BoolFlag is the flag with boolean value
|
|
type BoolFlag struct {
|
|
Name string
|
|
Shorthand string
|
|
Usage string
|
|
Deprecated string
|
|
Hidden bool
|
|
|
|
DefValue bool
|
|
}
|
|
|
|
// RegisterTo register the boolean flag to FlagSet
|
|
func (f BoolFlag) RegisterTo(fs *pflag.FlagSet) error {
|
|
fs.BoolP(f.Name, f.Shorthand, f.DefValue, f.Usage)
|
|
return markHiddenOrDeprecated(fs, f.Name, f.Deprecated, f.Hidden)
|
|
}
|
|
|
|
// IntFlag is the flag with int value
|
|
type IntFlag struct {
|
|
Name string
|
|
Shorthand string
|
|
Usage string
|
|
Deprecated string
|
|
Hidden bool
|
|
|
|
DefValue int
|
|
}
|
|
|
|
// RegisterTo register the int flag to FlagSet
|
|
func (f IntFlag) RegisterTo(fs *pflag.FlagSet) error {
|
|
fs.IntP(f.Name, f.Shorthand, f.DefValue, f.Usage)
|
|
return markHiddenOrDeprecated(fs, f.Name, f.Deprecated, f.Hidden)
|
|
}
|
|
|
|
// StringSliceFlag is the flag with string slice value
|
|
type StringSliceFlag struct {
|
|
Name string
|
|
Shorthand string
|
|
Usage string
|
|
Deprecated string
|
|
Hidden bool
|
|
|
|
DefValue []string
|
|
}
|
|
|
|
// RegisterTo register the string slice flag to FlagSet
|
|
func (f StringSliceFlag) RegisterTo(fs *pflag.FlagSet) error {
|
|
fs.StringSliceP(f.Name, f.Shorthand, f.DefValue, f.Usage)
|
|
return markHiddenOrDeprecated(fs, f.Name, f.Deprecated, f.Hidden)
|
|
}
|
|
|
|
func markHiddenOrDeprecated(fs *pflag.FlagSet, name string, deprecated string, hidden bool) error {
|
|
if len(deprecated) != 0 {
|
|
if err := fs.MarkDeprecated(name, deprecated); err != nil {
|
|
return err
|
|
}
|
|
} else if hidden {
|
|
if err := fs.MarkHidden(name); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|