You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
55 lines
1.1 KiB
55 lines
1.1 KiB
package common
|
|
|
|
import (
|
|
"encoding/hex"
|
|
"fmt"
|
|
"strings"
|
|
)
|
|
|
|
// Fmt shorthand, XXX DEPRECATED
|
|
var Fmt = fmt.Sprintf
|
|
|
|
// RightPadString adds spaces to the right of a string to make it length totalLength
|
|
func RightPadString(s string, totalLength int) string {
|
|
remaining := totalLength - len(s)
|
|
if remaining > 0 {
|
|
s = s + strings.Repeat(" ", remaining)
|
|
}
|
|
return s
|
|
}
|
|
|
|
// LeftPadString adds spaces to the left of a string to make it length totalLength
|
|
func LeftPadString(s string, totalLength int) string {
|
|
remaining := totalLength - len(s)
|
|
if remaining > 0 {
|
|
s = strings.Repeat(" ", remaining) + s
|
|
}
|
|
return s
|
|
}
|
|
|
|
// IsHex returns true for non-empty hex-string prefixed with "0x"
|
|
func IsHex(s string) bool {
|
|
if len(s) > 2 && strings.EqualFold(s[:2], "0x") {
|
|
_, err := hex.DecodeString(s[2:])
|
|
return err == nil
|
|
}
|
|
return false
|
|
}
|
|
|
|
// StripHex returns hex string without leading "0x"
|
|
func StripHex(s string) string {
|
|
if IsHex(s) {
|
|
return s[2:]
|
|
}
|
|
return s
|
|
}
|
|
|
|
// StringInSlice returns true if a is found the list.
|
|
func StringInSlice(a string, list []string) bool {
|
|
for _, b := range list {
|
|
if b == a {
|
|
return true
|
|
}
|
|
}
|
|
return false
|
|
}
|