string_util.go
2.21 KB
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package webutility
import (
"fmt"
"strings"
)
const sanitisationPatern = "\"';&*<>=\\`:"
// SanitiseString removes characters from s found in patern and returns new modified string.
func SanitiseString(s string) string {
return ReplaceAny(s, sanitisationPatern, "")
}
// IsWrappedWith ...
func IsWrappedWith(src, begin, end string) bool {
return strings.HasPrefix(src, begin) && strings.HasSuffix(src, end)
}
// ParseInt64Arr ...
func ParseInt64Arr(s, sep string) (arr []int64) {
s = strings.TrimSpace(s)
if s != "" {
parts := strings.Split(s, sep)
arr = make([]int64, len(parts))
for i, p := range parts {
num := StringToInt64(p)
arr[i] = num
}
}
return arr
}
// Int64SliceToString ...
func Int64SliceToString(arr []int64) (s string) {
if len(arr) == 0 {
return ""
}
s += fmt.Sprintf("%d", arr[0])
for i := 1; i < len(arr); i++ {
s += fmt.Sprintf(",%d", arr[i])
}
return s
}
// CombineStrings ...
func CombineStrings(s1, s2, s3 string) string {
s1 = strings.TrimSpace(s1)
s2 = strings.TrimSpace(s2)
if s1 != "" && s2 != "" {
s1 += s3 + s2
} else {
s1 += s2
}
return s1
}
// ReplaceAny replaces any of the characters from patern found in s with r and returns a new resulting string.
func ReplaceAny(s, patern, r string) (n string) {
n = s
for _, c := range patern {
n = strings.Replace(n, string(c), r, -1)
}
return n
}
func StringToBool(s string) bool {
s = strings.ToLower(s)
if s == "true" {
return true
}
return false
}
func BoolToString(b bool) string {
return fmt.Sprintf("%b", b)
}
func StringSliceContains(slice []string, s string) bool {
for i := range slice {
if slice[i] == s {
return true
}
}
return false
}
func StringAt(s string, index int) string {
if len(s)-1 < index || index < 0 {
return ""
}
return string(s[index])
}
func SplitStringAtWholeWords(s string, maxLen int) (res []string) {
parts := strings.Split(s, " ")
res = append(res, parts[0])
i := 0
for j := 1; j < len(parts); j++ {
p := strings.TrimSpace(parts[j])
if len(p) > maxLen {
// TODO(marko): check if maxLen is >= 3
p = p[0 : maxLen-3]
p += "..."
}
if len(res[i])+len(p)+1 <= maxLen {
res[i] += " " + p
} else {
res = append(res, p)
i++
}
}
return res
}