frostfs-node/pkg/util/locode/column/location.go
Leonard Lyubich 0be35859ed [#316] locode: Define UN/LOCODE table data types
Define the data types needed to work with LOCODE's in NeoFS (country code,
location code, coordinates). Implement string parsers for new types.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
2021-02-09 11:05:55 +03:00

33 lines
716 B
Go

package locodecolumn
import (
"github.com/nspcc-dev/neofs-node/pkg/util/locode"
)
const locationCodeLen = 3
// LocationCode represents 3-character code for the location.
type LocationCode [locationCodeLen]uint8
// Symbols returns characters of the location code.
func (lc *LocationCode) Symbols() [locationCodeLen]uint8 {
return *lc
}
// LocationCodeFromString parses string and returns location code.
func LocationCodeFromString(s string) (*LocationCode, error) {
if len(s) != locationCodeLen {
return nil, locode.ErrInvalidString
}
for i := range s {
if !isUpperAlpha(s[i]) && !isDigit(s[i]) {
return nil, locode.ErrInvalidString
}
}
lc := LocationCode{}
copy(lc[:], s)
return &lc, nil
}