mirror of
https://github.com/diamondburned/arikawa.git
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66 lines
991 B
Go
66 lines
991 B
Go
package arguments
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import (
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"bytes"
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"flag"
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"io/ioutil"
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"strings"
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)
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var FlagName = "command"
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type FlagSet struct {
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*flag.FlagSet
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}
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func NewFlagSet() *FlagSet {
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fs := flag.NewFlagSet(FlagName, flag.ContinueOnError)
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fs.SetOutput(ioutil.Discard)
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return &FlagSet{fs}
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}
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func (fs *FlagSet) Usage() string {
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var buf bytes.Buffer
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fs.FlagSet.SetOutput(&buf)
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fs.FlagSet.Usage()
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fs.FlagSet.SetOutput(ioutil.Discard)
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return buf.String()
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}
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type Flag struct {
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arguments []string
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}
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func (f *Flag) ParseContent(arguments []string) error {
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// trim the command out
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f.arguments = arguments[1:]
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return nil
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}
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func (f *Flag) Usage() string {
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return "flags..."
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}
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func (f *Flag) Args() []string {
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return f.arguments
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}
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func (f *Flag) Arg(n int) string {
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if n < 0 || n >= len(f.arguments) {
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return ""
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}
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return f.arguments[n]
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}
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func (f *Flag) String() string {
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return strings.Join(f.arguments, " ")
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}
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func (f *Flag) With(fs *flag.FlagSet) error {
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return fs.Parse(f.arguments)
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}
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