Method ReHighlightLine

pkg/highlight/highlighter.go:386–408

ReHighlightLine will rehighlight the state and match for a single line

(input LineStates, lineN int)

// ReHighlightLine will rehighlight the state and match for a single line
func (h *Highlighter) ReHighlightLine(input LineStates, lineN int) {
	input.Lock()
	defer input.Unlock()

	line := input.LineBytes(lineN)
	highlights := make(LineMatch)

	h.lastRegion = nil
	if lineN > 0 {
		h.lastRegion = input.State(lineN - 1)
	}

	var match LineMatch
	if lineN == 0 || h.lastRegion == nil {
		match = h.highlightEmptyRegion(highlights, 0, true, lineN, line, false)
	} else {
		match = h.highlightRegion(highlights, 0, true, lineN, line, h.lastRegion, false)
	}
	curState := h.lastRegion

	input.SetMatch(lineN, match)
	input.SetState(lineN, curState)
}