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package colorful
import (
"database/sql/driver"
"fmt"
"reflect"
)
// A HexColor is a Color stored as a hex string "#rrggbb". It implements the
// database/sql.Scanner and database/sql/driver.Value interfaces.
type HexColor Color
type errUnsupportedType struct {
got interface{}
want reflect.Type
}
func (hc *HexColor) Scan(value interface{}) error {
s, ok := value.(string)
if !ok {
return errUnsupportedType{got: reflect.TypeOf(value), want: reflect.TypeOf("")}
}
c, err := Hex(s)
if err != nil {
return err
}
*hc = HexColor(c)
return nil
}
func (hc *HexColor) Value() (driver.Value, error) {
return Color(*hc).Hex(), nil
}
func (e errUnsupportedType) Error() string {
return fmt.Sprintf("unsupported type: got %v, want a %s", e.got, e.want)
}
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