3 * Copyright © 2014 František Kučera (frantovo.cz)
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 package info.globalcode.sql.dk.formatting;
20 import info.globalcode.sql.dk.ColorfulPrintWriter.TerminalColor;
21 import java.util.ArrayList;
22 import java.util.List;
23 import static info.globalcode.sql.dk.Functions.lpad;
24 import static info.globalcode.sql.dk.Functions.rpad;
25 import static info.globalcode.sql.dk.Functions.repeat;
28 * Longer values are line-wrapped – the cell then contains multiple lines. Marks are added to
29 * signalize forced line ends (not present in original data).
31 * @author Ing. František Kučera (frantovo.cz)
33 public class TabularWrappingFormatter extends TabularFormatter {
35 public static final String NAME = "tabular-wrapping"; // bash-completion:formatter
36 private List<String[]> currentRow;
38 public TabularWrappingFormatter(FormatterContext formatterContext) {
39 super(formatterContext);
43 public void writeStartResultSet(ColumnsHeader header) {
44 super.writeStartResultSet(header);
45 currentRow = new ArrayList<>(header.getColumnCount());
49 protected void writeColumnValueInternal(Object value) {
50 boolean rightAlign = value instanceof Number || value instanceof Boolean;
51 String valueString = String.valueOf(value);
52 int columnWidth = getColumnWidth(getCurrentColumnsCount()) - 1; // -1 = space for new line symbol
53 currentRow.add(wrapLines(valueString, columnWidth, rightAlign));
57 public void writeEndRow() {
61 boolean hasMoreWrappedLines;
64 hasMoreWrappedLines = false;
65 for (int i = 0; i < currentRow.size(); i++) {
68 printTableBorder("│ ");
70 printTableBorder(" │ ");
72 String[] columnArray = currentRow.get(i);
73 if (wrappedLine < columnArray.length) {
74 printValueWithWhitespaceReplaced(columnArray[wrappedLine]);
76 if (wrappedLine < columnArray.length - 1) {
77 out.print(TerminalColor.Red, "↩");
78 hasMoreWrappedLines = true;
84 out.print(repeat(' ', getColumnWidth(i + 1)));
87 if (i == (currentRow.size() - 1)) {
88 printTableBorder(" │");
94 } while (hasMoreWrappedLines);
100 public void writeEndRowInternal() {
101 // already done – wrapped row ends
104 private static String[] wrapLines(String s, int width, boolean rightAlign) {
105 String[] array = new String[(s.length() - 1) / width + 1];
106 for (int i = 0; i < array.length; i++) {
107 if (i == array.length - 1) {
108 String part = s.substring(i * width, s.length());
109 array[i] = rightAlign ? lpad(part, width) : rpad(part, width);
111 array[i] = s.substring(i * width, (i + 1) * width);