fix commands

[bytom/shuttle.git] / vendor / github.com / bytom / vendor / github.com / tendermint / tmlibs / common / string.go

diff --git a/vendor/github.com/bytom/vendor/github.com/tendermint/tmlibs/common/string.go b/vendor/github.com/bytom/vendor/github.com/tendermint/tmlibs/common/string.go
new file mode 100644 (file)
index 0000000..1ab91f1
--- /dev/null
+++ b/vendor/github.com/bytom/vendor/github.com/tendermint/tmlibs/common/string.go
@@ -0,0 +1,45 @@
+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 && 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
+}