Function addDRToBuffer

io.go:889–917

add displayable(according to user's input argument) RowArray(covert line to array) To Buffer

(b *Buffer, line string, showNum, hideNum []int)

// add displayable(according to user's input argument) RowArray(covert line to array) To Buffer
func addDRToBuffer(b *Buffer, line string, showNum, hideNum []int) error {
	var err error
	lineCSVParts, err := lineCSVParseFast(line, b.sep)
	if err != nil {
		return err
	}
	if len(showNum) != 0 || len(hideNum) != 0 {
		// Pre-allocate slice with known capacity
		visCol, err := getVisCol(showNum, hideNum, len(lineCSVParts))
		if err != nil {
			return err
		}
		lineSli := make([]string, 0, len(visCol))
		for _, i := range visCol {
			lineSli = append(lineSli, lineCSVParts[i])
		}
		err = b.contAppendSli(lineSli, args.Strict)
		if err != nil {
			return err
		}

	} else {
		err := b.contAppendSli(lineCSVParts, args.Strict)
		if err != nil {
			return err
		}
	}
	return err
}