Function HandleFormatMode

viewer/mode.go:305–385

(m *TuiModel, str string)

}

func HandleFormatMode(m *TuiModel, str string) {
	var (
		val         string
		replacement string
	)

	inputReturn := HandleFormatInput(m, str)

	if HandleFormatMovement(m, str) {
		return
	}

	for _, v := range InputBlacklist {
		if strings.Contains(str, v) {
			return
		}
	}

	lineNumberOffset := GetOffsetForLineNumber(m.Format.CursorY)

	pString := m.Format.EditSlices[m.Format.CursorY]
	delta := 1
	if str != "backspace" {
		// update UI
		if *pString != "" {
			min := Max(m.Format.CursorX+lineNumberOffset+1, 0)
			min = Min(min, len(*pString))
			first := (*pString)[:min]
			last := (*pString)[min:]
			val = first + str + last
		} else {
			val = *pString + str
		}
	} else {
		delta = -1
		val = *pString
	}

	// if json special rules
	replacement = m.Data().EditTextBuffer
	cursor := m.Format.RunningOffsets[m.Viewport.YOffset+m.Format.CursorY]

	fIndex := Max(cursor, 0)
	lIndex := m.Viewport.YOffset + m.Format.CursorY + 1

	defer func() {
		if recover() != nil {
			println("whoopsy!") // bug happened once, debug...
		}
	}()

	first := replacement[:fIndex]
	middle := val[lineNumberOffset+1:]
	last := replacement[Min(m.Format.RunningOffsets[lIndex], len(replacement)):]

	if (first != "" || last != "") && last != "\n" {
		middle += "\n"
	}