frostfs-node/cmd/neofs-node/config/cast.go
Leonard Lyubich 2bbd4d0ee3 [] node/config: Implement integer casters
Implement `Int` / `Uint` functions which casts value to `int64` / `uint64`.
Implement safe functions `IntSafe` / `UintSafe`.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
2021-06-02 09:54:00 +03:00

127 lines
2.8 KiB
Go

package config
import (
"time"
"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))
}
// Duration reads configuration value
// from c by name and casts it to time.Duration.
//
// Panics if value can not be casted.
func Duration(c *Config, name string) time.Duration {
x, err := cast.ToDurationE(c.Value(name))
panicOnErr(err)
return x
}
// DurationSafe reads configuration value
// from c by name and casts it to time.Duration.
//
// Returns 0 if value can not be casted.
func DurationSafe(c *Config, name string) time.Duration {
return cast.ToDuration(c.Value(name))
}
// Bool reads configuration value
// from c by name and casts it to bool.
//
// Panics if value can not be casted.
func Bool(c *Config, name string) bool {
x, err := cast.ToBoolE(c.Value(name))
panicOnErr(err)
return x
}
// BoolSafe reads configuration value
// from c by name and casts it to bool.
//
// Returns false if value can not be casted.
func BoolSafe(c *Config, name string) bool {
return cast.ToBool(c.Value(name))
}
// Uint reads configuration value
// from c by name and casts it to uint64.
//
// Panics if value can not be casted.
func Uint(c *Config, name string) uint64 {
x, err := cast.ToUint64E(c.Value(name))
panicOnErr(err)
return x
}
// UintSafe reads configuration value
// from c by name and casts it to uint64.
//
// Returns 0 if value can not be casted.
func UintSafe(c *Config, name string) uint64 {
return cast.ToUint64(c.Value(name))
}
// Int reads configuration value
// from c by name and casts it to int64.
//
// Panics if value can not be casted.
func Int(c *Config, name string) int64 {
x, err := cast.ToInt64E(c.Value(name))
panicOnErr(err)
return x
}
// IntSafe reads configuration value
// from c by name and casts it to int64.
//
// Returns 0 if value can not be casted.
func IntSafe(c *Config, name string) int64 {
return cast.ToInt64(c.Value(name))
}