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/**
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franta-hg@123
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* SQL-DK
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franta-hg@123
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* Copyright © 2014 František Kučera (frantovo.cz)
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franta-hg@123
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*
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franta-hg@123
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* This program is free software: you can redistribute it and/or modify
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franta-hg@123
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* it under the terms of the GNU General Public License as published by
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franta-hg@123
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* the Free Software Foundation, either version 3 of the License, or
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franta-hg@123
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* (at your option) any later version.
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franta-hg@123
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*
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franta-hg@123
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* This program is distributed in the hope that it will be useful,
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franta-hg@123
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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franta-hg@123
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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franta-hg@123
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* GNU General Public License for more details.
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franta-hg@123
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*
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franta-hg@123
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* You should have received a copy of the GNU General Public License
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franta-hg@123
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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franta-hg@123
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*/
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franta-hg@123
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package info.globalcode.sql.dk.formatting;
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import info.globalcode.sql.dk.ColorfulPrintWriter.TerminalColor;
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import java.util.ArrayList;
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import java.util.List;
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import static info.globalcode.sql.dk.Functions.lpad;
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import static info.globalcode.sql.dk.Functions.rpad;
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import static info.globalcode.sql.dk.Functions.repeat;
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/**
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franta-hg@155
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* Longer values are line-wrapped – the cell then contains multiple lines. Marks are added to
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franta-hg@155
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* signalize forced line ends (not present in original data).
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franta-hg@123
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*
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* @author Ing. František Kučera (frantovo.cz)
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*/
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public class TabularWrappingFormatter extends TabularFormatter {
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public static final String NAME = "tabular-wrapping"; // bash-completion:formatter
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private List<String[]> currentRow;
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public TabularWrappingFormatter(FormatterContext formatterContext) {
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super(formatterContext);
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}
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@Override
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public void writeStartResultSet(ColumnsHeader header) {
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super.writeStartResultSet(header);
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currentRow = new ArrayList<>(header.getColumnCount());
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}
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@Override
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protected void writeColumnValueInternal(Object value) {
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boolean rightAlign = value instanceof Number || value instanceof Boolean;
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String valueString = String.valueOf(value);
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int columnWidth = getColumnWidth(getCurrentColumnsCount()) - 1; // -1 = space for new line symbol
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currentRow.add(wrapLines(valueString, columnWidth, rightAlign));
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}
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@Override
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public void writeEndRow() {
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super.writeEndRow();
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int wrappedLine = 0;
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boolean hasMoreWrappedLines;
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do {
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hasMoreWrappedLines = false;
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for (int i = 0; i < currentRow.size(); i++) {
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if (i == 0) {
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printTableIndent();
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printTableBorder("│ ");
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} else {
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printTableBorder(" │ ");
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}
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String[] columnArray = currentRow.get(i);
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if (wrappedLine < columnArray.length) {
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printValueWithWhitespaceReplaced(columnArray[wrappedLine]);
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if (wrappedLine < columnArray.length - 1) {
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out.print(TerminalColor.Red, "↩");
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hasMoreWrappedLines = true;
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} else {
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out.print(" ");
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}
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} else {
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out.print(repeat(' ', getColumnWidth(i + 1)));
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}
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if (i == (currentRow.size() - 1)) {
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printTableBorder(" │");
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}
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}
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out.println();
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out.flush();
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wrappedLine++;
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} while (hasMoreWrappedLines);
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currentRow.clear();
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}
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@Override
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public void writeEndRowInternal() {
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// already done – wrapped row ends
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}
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private static String[] wrapLines(String s, int width, boolean rightAlign) {
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String[] array = new String[(s.length() - 1) / width + 1];
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for (int i = 0; i < array.length; i++) {
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if (i == array.length - 1) {
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String part = s.substring(i * width, s.length());
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array[i] = rightAlign ? lpad(part, width) : rpad(part, width);
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} else {
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array[i] = s.substring(i * width, (i + 1) * width);
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}
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}
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return array;
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}
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} |