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arikawa/bot/extras/arguments/flag.go

50 lines
717 B
Go

package arguments
import (
"bytes"
"flag"
"io/ioutil"
)
var FlagName = "command"
type FlagSet struct {
*flag.FlagSet
}
func NewFlagSet() *FlagSet {
fs := flag.NewFlagSet(FlagName, flag.ContinueOnError)
fs.SetOutput(ioutil.Discard)
return &FlagSet{fs}
}
func (fs *FlagSet) Usage() string {
var buf bytes.Buffer
fs.FlagSet.SetOutput(&buf)
fs.FlagSet.Usage()
fs.FlagSet.SetOutput(ioutil.Discard)
return buf.String()
}
type Flag []string
func (f *Flag) ParseContent(arguments []string) error {
*f = arguments
return nil
}
func (f Flag) Usage() string {
return "[flags] arguments"
}
func (f Flag) Args() []string {
return f
}
func (f Flag) With(fs *flag.FlagSet) error {
return fs.Parse(f)
}