forked from mirrors/gotosocial
2dc9fc1626
* start moving to bun * changing more stuff * more * and yet more * tests passing * seems stable now * more big changes * small fix * little fixes
68 lines
1.1 KiB
Go
68 lines
1.1 KiB
Go
package internal
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func IsUpper(c byte) bool {
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return c >= 'A' && c <= 'Z'
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}
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func IsLower(c byte) bool {
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return c >= 'a' && c <= 'z'
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}
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func ToUpper(c byte) byte {
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return c - 32
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}
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func ToLower(c byte) byte {
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return c + 32
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}
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// Underscore converts "CamelCasedString" to "camel_cased_string".
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func Underscore(s string) string {
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r := make([]byte, 0, len(s)+5)
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for i := 0; i < len(s); i++ {
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c := s[i]
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if IsUpper(c) {
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if i > 0 && i+1 < len(s) && (IsLower(s[i-1]) || IsLower(s[i+1])) {
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r = append(r, '_', ToLower(c))
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} else {
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r = append(r, ToLower(c))
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}
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} else {
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r = append(r, c)
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}
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}
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return string(r)
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}
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func CamelCased(s string) string {
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r := make([]byte, 0, len(s))
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upperNext := true
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for i := 0; i < len(s); i++ {
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c := s[i]
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if c == '_' {
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upperNext = true
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continue
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}
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if upperNext {
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if IsLower(c) {
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c = ToUpper(c)
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}
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upperNext = false
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}
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r = append(r, c)
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}
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return string(r)
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}
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func ToExported(s string) string {
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if len(s) == 0 {
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return s
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}
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if c := s[0]; IsLower(c) {
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b := []byte(s)
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b[0] = ToUpper(c)
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return string(b)
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}
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return s
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}
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