54 lines
1 KiB
Go
54 lines
1 KiB
Go
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package tools
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import (
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"regexp"
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"strings"
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"unicode"
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"unicode/utf8"
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)
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// snakeLetters will match to the first letter and an underscore followed by a letter
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var snakeLetters = regexp.MustCompile("(^[a-z])|_[a-z0-9]")
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func ToPascalCase(in string) string {
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inputSplit := strings.Split(in, ".")
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var ucName string
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for _, v := range inputSplit {
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if len(v) < 1 {
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continue
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}
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firstChar := v[0:1]
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ucFirstChar := strings.ToUpper(firstChar)
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if len(v) < 2 {
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ucName += ucFirstChar
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continue
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}
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ucName += ucFirstChar + v[1:]
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}
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return snakeLetters.ReplaceAllStringFunc(ucName, func(s string) string {
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return strings.ToUpper(strings.ReplaceAll(s, "_", ""))
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})
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}
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func ToCamelCase(in string) string {
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pascal := ToPascalCase(in)
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// Grab first rune and lower case it
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firstLetter, size := utf8.DecodeRuneInString(pascal)
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if firstLetter == utf8.RuneError && size <= 1 {
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return pascal
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}
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return string(unicode.ToLower(firstLetter)) + pascal[size:]
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}
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func ValidateSnakeCase(in string) bool {
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return snakeLetters.MatchString(string(in))
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}
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