redis/internal/proto/scan.go

109 lines
1.8 KiB
Go

package proto
import (
"encoding"
"fmt"
"strconv"
"gopkg.in/redis.v5/internal"
)
func Scan(s string, v interface{}) error {
switch v := v.(type) {
case nil:
return internal.RedisError("redis: Scan(nil)")
case *string:
*v = s
return nil
case *[]byte:
*v = []byte(s)
return nil
case *int:
var err error
*v, err = strconv.Atoi(s)
return err
case *int8:
n, err := strconv.ParseInt(s, 10, 8)
if err != nil {
return err
}
*v = int8(n)
return nil
case *int16:
n, err := strconv.ParseInt(s, 10, 16)
if err != nil {
return err
}
*v = int16(n)
return nil
case *int32:
n, err := strconv.ParseInt(s, 10, 32)
if err != nil {
return err
}
*v = int32(n)
return nil
case *int64:
n, err := strconv.ParseInt(s, 10, 64)
if err != nil {
return err
}
*v = n
return nil
case *uint:
n, err := strconv.ParseUint(s, 10, 64)
if err != nil {
return err
}
*v = uint(n)
return nil
case *uint8:
n, err := strconv.ParseUint(s, 10, 8)
if err != nil {
return err
}
*v = uint8(n)
return nil
case *uint16:
n, err := strconv.ParseUint(s, 10, 16)
if err != nil {
return err
}
*v = uint16(n)
return nil
case *uint32:
n, err := strconv.ParseUint(s, 10, 32)
if err != nil {
return err
}
*v = uint32(n)
return nil
case *uint64:
n, err := strconv.ParseUint(s, 10, 64)
if err != nil {
return err
}
*v = n
return nil
case *float32:
n, err := strconv.ParseFloat(s, 32)
if err != nil {
return err
}
*v = float32(n)
return err
case *float64:
var err error
*v, err = strconv.ParseFloat(s, 64)
return err
case *bool:
*v = len(s) == 1 && s[0] == '1'
return nil
case encoding.BinaryUnmarshaler:
return v.UnmarshalBinary([]byte(s))
default:
return fmt.Errorf(
"redis: can't unmarshal %T (consider implementing BinaryUnmarshaler)", v)
}
}