Function FormatPath

pkg/ijson/ijson.go:141–168

(path Path)

var simplePathStrRe = regexp.MustCompile(`^[a-zA-Z_][a-zA-Z0-9_]*$`)

func FormatPath(path Path) string {
	if len(path) == 0 {
		return "$"
	}
	var buf bytes.Buffer
	buf.WriteByte('$')
	for _, elem := range path {
		switch elem := elem.(type) {
		case string:
			if simplePathStrRe.MatchString(elem) {
				buf.WriteByte('.')
				buf.WriteString(elem)
			} else {
				buf.WriteByte('[')
				buf.WriteString(strconv.Quote(elem))
				buf.WriteByte(']')
			}
		case int:
			buf.WriteByte('[')
			buf.WriteString(strconv.Itoa(elem))
			buf.WriteByte(']')
		default:
			// a placeholder for a bad value
			buf.WriteString(".*")
		}
	}
	return buf.String()
}

type pathWithPos struct {
	Path  Path