forked from gofiber/fiber
/
strings.go
75 lines (65 loc) · 1.52 KB
/
strings.go
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// ⚡️ Fiber is an Express inspired web framework written in Go with ☕️
// 🤖 Github Repository: https://github.com/gofiber/fiber
// 📌 API Documentation: https://docs.gofiber.io
package utils
// ToLower converts ascii string to lower-case
func ToLower(b string) string {
res := make([]byte, len(b))
copy(res, b)
for i := 0; i < len(res); i++ {
res[i] = toLowerTable[res[i]]
}
return UnsafeString(res)
}
// ToUpper converts ascii string to upper-case
func ToUpper(b string) string {
res := make([]byte, len(b))
copy(res, b)
for i := 0; i < len(res); i++ {
res[i] = toUpperTable[res[i]]
}
return UnsafeString(res)
}
// TrimLeft is the equivalent of strings.TrimLeft
func TrimLeft(s string, cutset byte) string {
lenStr, start := len(s), 0
for start < lenStr && s[start] == cutset {
start++
}
return s[start:]
}
// Trim is the equivalent of strings.Trim
func Trim(s string, cutset byte) string {
i, j := 0, len(s)-1
for ; i <= j; i++ {
if s[i] != cutset {
break
}
}
for ; i < j; j-- {
if s[j] != cutset {
break
}
}
return s[i : j+1]
}
// TrimRight is the equivalent of strings.TrimRight
func TrimRight(s string, cutset byte) string {
lenStr := len(s)
for lenStr > 0 && s[lenStr-1] == cutset {
lenStr--
}
return s[:lenStr]
}
// EqualFold tests ascii strings for equality case-insensitively
func EqualFold(b, s string) bool {
if len(b) != len(s) {
return false
}
for i := len(b) - 1; i >= 0; i-- {
if toUpperTable[b[i]] != toUpperTable[s[i]] {
return false
}
}
return true
}