Function runeToByteIndex

internal/buffer/line_array.go:14–33

Finds the byte index of the nth rune in a byte slice

(n int, txt []byte)

// Finds the byte index of the nth rune in a byte slice
func runeToByteIndex(n int, txt []byte) int {
	if n == 0 {
		return 0
	}

	count := 0
	i := 0
	for len(txt) > 0 {
		_, _, size := util.DecodeCharacter(txt)

		txt = txt[size:]
		count += size
		i++

		if i == n {
			break
		}
	}
	return count
}

// A searchState contains the search match info for a single line
type searchState struct {