Function SnakeCase

codegen/funcs.go:202–243

SnakeCase produces the snake_case version of the given CamelCase string. News => news OldNews => old_news CNNNews => cnn_news

(name string)

// OldNews => old_news
// CNNNews => cnn_news
func SnakeCase(name string) string {
	// Special handling for single "words" starting with multiple upper case letters
	for u, l := range toLower {
		name = strings.ReplaceAll(name, u, l)
	}

	// Remove leading and trailing blank spaces and replace any blank spaces in
	// between with a single underscore
	name = strings.Join(strings.Fields(name), "_")

	// Special handling for dashes and slashes to convert them into underscores
	name = strings.ReplaceAll(name, "-", "_")
	name = strings.ReplaceAll(name, "/", "_")

	var b bytes.Buffer
	ln := len(name)
	if ln == 0 {
		return ""
	}
	n := rune(name[0])
	b.WriteRune(unicode.ToLower(n))
	var lastLower, isLower, lastUnder, isUnder bool
	for i := 1; i < ln; i++ {
		r := rune(name[i])
		isLower = unicode.IsLower(r) && unicode.IsLetter(r) || unicode.IsDigit(r)
		isUnder = r == '_'
		if !isLower && !isUnder {
			if lastLower && !lastUnder {
				b.WriteRune('_')
			} else if ln > i+1 {
				rn := rune(name[i+1])
				if unicode.IsLower(rn) && rn != '_' && !lastUnder {
					b.WriteRune('_')
				}
			}
		}
		b.WriteRune(unicode.ToLower(r))
		lastLower = isLower
		lastUnder = isUnder
	}
	return b.String()
}

// KebabCase produces the kebab-case version of the given CamelCase string.
func KebabCase(name string) string {