frostfs-node/cmd/neofs-node/config/cast.go
Leonard Lyubich cbe3e0a271 [#493] node/config: Implement string caster
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
2021-06-01 11:45:38 +03:00

49 lines
1 KiB
Go

package config
import (
"github.com/spf13/cast"
)
func panicOnErr(err error) {
if err != nil {
panic(err)
}
}
// StringSlice reads configuration value
// from c by name and casts it to []string.
//
// Panics if value can not be casted.
func StringSlice(c *Config, name string) []string {
x, err := cast.ToStringSliceE(c.Value(name))
panicOnErr(err)
return x
}
// StringSliceSafe reads configuration value
// from c by name and casts it to []string.
//
// Returns nil if value can not be casted.
func StringSliceSafe(c *Config, name string) []string {
return cast.ToStringSlice(c.Value(name))
}
// String reads configuration value
// from c by name and casts it to string.
//
// Panics if value can not be casted.
func String(c *Config, name string) string {
x, err := cast.ToStringE(c.Value(name))
panicOnErr(err)
return x
}
// StringSafe reads configuration value
// from c by name and casts it to string.
//
// Returns "" if value can not be casted.
func StringSafe(c *Config, name string) string {
return cast.ToString(c.Value(name))
}