mirror of
https://github.com/cwinfo/matterbridge.git
synced 2024-12-27 10:05:39 +00:00
36 lines
787 B
Go
36 lines
787 B
Go
// Copyright 2013-2022 Frank Schroeder. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package properties
|
|
|
|
import "flag"
|
|
|
|
// MustFlag sets flags that are skipped by dst.Parse when p contains
|
|
// the respective key for flag.Flag.Name.
|
|
//
|
|
// It's use is recommended with command line arguments as in:
|
|
//
|
|
// flag.Parse()
|
|
// p.MustFlag(flag.CommandLine)
|
|
func (p *Properties) MustFlag(dst *flag.FlagSet) {
|
|
m := make(map[string]*flag.Flag)
|
|
dst.VisitAll(func(f *flag.Flag) {
|
|
m[f.Name] = f
|
|
})
|
|
dst.Visit(func(f *flag.Flag) {
|
|
delete(m, f.Name) // overridden
|
|
})
|
|
|
|
for name, f := range m {
|
|
v, ok := p.Get(name)
|
|
if !ok {
|
|
continue
|
|
}
|
|
|
|
if err := f.Value.Set(v); err != nil {
|
|
ErrorHandler(err)
|
|
}
|
|
}
|
|
}
|