The core protocol of WoopChain
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.
 
 
 
woop/internal/cli/flag.go

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
}