photoprism/pkg/txt/int.go
2021-06-02 17:25:04 +02:00

50 lines
697 B
Go

package txt
import (
"strconv"
)
// Int converts a string to a signed integer or 0 if invalid.
func Int(s string) int {
if s == "" {
return 0
}
result, err := strconv.ParseInt(s, 10, 32)
if err != nil {
return 0
}
return int(result)
}
// UInt converts a string to an unsigned integer or 0 if invalid.
func UInt(s string) uint {
if s == "" {
return 0
}
result, err := strconv.ParseInt(s, 10, 32)
if err != nil || result < 0 {
return 0
}
return uint(result)
}
// IsUInt tests if a string represents an unsigned integer.
func IsUInt(s string) bool {
if s == "" {
return false
}
for _, r := range s {
if r < 48 || r > 57 {
return false
}
}
return true
}