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/*
** Copyright (C) 2001-2025 Zabbix SIA
**
** Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
** documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
** rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
** permit persons to whom the Software is furnished to do so, subject to the following conditions:
**
** The above copyright notice and this permission notice shall be included in all copies or substantial portions
** of the Software.
**
** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
** WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
** COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
** SOFTWARE.
**/
package zbxflag
import (
"flag"
"golang.zabbix.com/sdk/errs"
)
var (
_ flag.Value = (*StringFlag)(nil)
_ Flager = (*StringFlag)(nil)
)
// StringFlag describes a string flag.
type StringFlag struct {
Flag
Default string
Dest *string
set bool
}
// Register registers the flag on a flag set.
func (f *StringFlag) Register(fs *flag.FlagSet) {
*f.Dest = f.Default
fs.Var(f, f.Name, "")
fs.Var(f, f.Shorthand, "")
}
// Set sets the flags value.
func (f *StringFlag) Set(s string) error {
if f.set {
return errs.Errorf(
"argument -%s, --%s already set",
f.Flag.Shorthand,
f.Flag.Name,
)
}
*f.Dest = s
f.set = true
return nil
}
// String returns flags value as string.
func (f *StringFlag) String() string {
return *f.Dest
}
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