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.
100 lines
2.3 KiB
100 lines
2.3 KiB
package strings
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
)
|
|
|
|
// SplitAndTrimEmpty slices s into all subslices separated by sep and returns a
|
|
// slice of the string s with all leading and trailing Unicode code points
|
|
// contained in cutset removed. If sep is empty, SplitAndTrim splits after each
|
|
// UTF-8 sequence. First part is equivalent to strings.SplitN with a count of
|
|
// -1. also filter out empty strings, only return non-empty strings.
|
|
func SplitAndTrimEmpty(s, sep, cutset string) []string {
|
|
if s == "" {
|
|
return []string{}
|
|
}
|
|
|
|
spl := strings.Split(s, sep)
|
|
nonEmptyStrings := make([]string, 0, len(spl))
|
|
|
|
for i := 0; i < len(spl); i++ {
|
|
element := strings.Trim(spl[i], cutset)
|
|
if element != "" {
|
|
nonEmptyStrings = append(nonEmptyStrings, element)
|
|
}
|
|
}
|
|
|
|
return nonEmptyStrings
|
|
}
|
|
|
|
// 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
|
|
}
|
|
|
|
// SplitAndTrim slices s into all subslices separated by sep and returns a
|
|
// slice of the string s with all leading and trailing Unicode code points
|
|
// contained in cutset removed. If sep is empty, SplitAndTrim splits after each
|
|
// UTF-8 sequence. First part is equivalent to strings.SplitN with a count of
|
|
// -1.
|
|
func SplitAndTrim(s, sep, cutset string) []string {
|
|
if s == "" {
|
|
return []string{}
|
|
}
|
|
|
|
spl := strings.Split(s, sep)
|
|
for i := 0; i < len(spl); i++ {
|
|
spl[i] = strings.Trim(spl[i], cutset)
|
|
}
|
|
return spl
|
|
}
|
|
|
|
// Returns true if s is a non-empty printable non-tab ascii character.
|
|
func IsASCIIText(s string) bool {
|
|
if len(s) == 0 {
|
|
return false
|
|
}
|
|
for _, b := range []byte(s) {
|
|
if 32 <= b && b <= 126 {
|
|
// good
|
|
} else {
|
|
return false
|
|
}
|
|
}
|
|
return true
|
|
}
|
|
|
|
// NOTE: Assumes that s is ASCII as per IsASCIIText(), otherwise panics.
|
|
func ASCIITrim(s string) string {
|
|
r := make([]byte, 0, len(s))
|
|
for _, b := range []byte(s) {
|
|
switch {
|
|
case b == 32:
|
|
continue // skip space
|
|
case 32 < b && b <= 126:
|
|
r = append(r, b)
|
|
default:
|
|
panic(fmt.Sprintf("non-ASCII (non-tab) char 0x%X", b))
|
|
}
|
|
}
|
|
return string(r)
|
|
}
|
|
|
|
// StringSliceEqual checks if string slices a and b are equal
|
|
func StringSliceEqual(a, b []string) bool {
|
|
if len(a) != len(b) {
|
|
return false
|
|
}
|
|
for i := 0; i < len(a); i++ {
|
|
if a[i] != b[i] {
|
|
return false
|
|
}
|
|
}
|
|
return true
|
|
}
|