mirror of
https://github.com/octoleo/plantuml.git
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350 lines
8.8 KiB
Java
350 lines
8.8 KiB
Java
/* ========================================================================
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* PlantUML : a free UML diagram generator
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* ========================================================================
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*
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* (C) Copyright 2009, Arnaud Roques
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*
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* Project Info: http://plantuml.sourceforge.net
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*
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* This file is part of PlantUML.
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*
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* PlantUML is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* PlantUML distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*
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* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
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* in the United States and other countries.]
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*
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* Original Author: Arnaud Roques
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*
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* Revision $Revision: 6060 $
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*
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*/
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package net.sourceforge.plantuml;
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import java.io.File;
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import java.io.IOException;
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import java.io.StringReader;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Iterator;
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import java.util.List;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import net.sourceforge.plantuml.preproc.ReadLineReader;
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import net.sourceforge.plantuml.preproc.UncommentReadLine;
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public class StringUtils {
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public static String getPlateformDependentAbsolutePath(File file) {
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return file.getAbsolutePath();
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}
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public static List<String> getWithNewlines(String s) {
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if (s == null) {
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throw new IllegalArgumentException();
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}
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final List<String> result = new ArrayList<String>();
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final StringBuilder current = new StringBuilder();
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for (int i = 0; i < s.length(); i++) {
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final char c = s.charAt(i);
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if (c == '\\' && i < s.length() + 1) {
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final char c2 = s.charAt(i + 1);
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i++;
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if (c2 == 'n') {
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result.add(current.toString());
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current.setLength(0);
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} else if (c2 == 't') {
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current.append('\t');
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} else if (c2 == '\\') {
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current.append(c2);
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}
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} else {
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current.append(c);
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}
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}
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result.add(current.toString());
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return Collections.unmodifiableList(result);
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}
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public static String getMergedLines(List<String> strings) {
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final StringBuilder sb = new StringBuilder();
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for (int i = 0; i < strings.size(); i++) {
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sb.append(strings.get(i));
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if (i < strings.size() - 1) {
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sb.append("\\n");
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}
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}
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return sb.toString();
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}
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final static public List<String> getSplit(Pattern pattern, String line) {
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final Matcher m = pattern.matcher(line);
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if (m.find() == false) {
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return null;
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}
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final List<String> result = new ArrayList<String>();
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for (int i = 1; i <= m.groupCount(); i++) {
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result.add(m.group(i));
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}
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return result;
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}
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public static boolean isNotEmpty(String input) {
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return input != null && input.trim().length() > 0;
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}
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public static boolean isEmpty(String input) {
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return input == null || input.trim().length() == 0;
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}
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public static String manageHtml(String s) {
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s = s.replace("<", "<");
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s = s.replace(">", ">");
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return s;
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}
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public static String manageArrowForSequence(String s) {
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s = s.replace('=', '-');
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return s;
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}
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public static String manageArrowForCuca(String s) {
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final Direction dir = getArrowDirection(s);
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s = s.replace('=', '-');
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s = s.replaceAll("\\w*", "");
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if (dir == Direction.LEFT || dir == Direction.RIGHT) {
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s = s.replaceAll("-+", "-");
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}
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if (s.length() == 2 && (dir == Direction.UP || dir == Direction.DOWN)) {
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s = s.replaceFirst("-", "--");
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}
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return s;
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}
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public static String manageQueueForCuca(String s) {
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final Direction dir = getQueueDirection(s);
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s = s.replace('=', '-');
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s = s.replaceAll("\\w*", "");
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if (dir == Direction.LEFT || dir == Direction.RIGHT) {
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s = s.replaceAll("-+", "-");
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}
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if (s.length() == 1 && (dir == Direction.UP || dir == Direction.DOWN)) {
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s = s.replaceFirst("-", "--");
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}
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return s;
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}
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public static Direction getArrowDirection(String s) {
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if (s.endsWith(">")) {
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return getQueueDirection(s.substring(0, s.length() - 1));
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}
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if (s.startsWith("<")) {
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if (s.length() == 2) {
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return Direction.LEFT;
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}
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return Direction.UP;
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}
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throw new IllegalArgumentException(s);
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}
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public static Direction getQueueDirection(String s) {
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if (s.indexOf('<') != -1 || s.indexOf('>') != -1) {
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throw new IllegalArgumentException(s);
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}
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s = s.toLowerCase();
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if (s.contains("left")) {
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return Direction.LEFT;
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}
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if (s.contains("right")) {
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return Direction.RIGHT;
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}
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if (s.contains("up")) {
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return Direction.UP;
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}
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if (s.contains("down")) {
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return Direction.DOWN;
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}
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if (s.contains("l")) {
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return Direction.LEFT;
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}
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if (s.contains("r")) {
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return Direction.RIGHT;
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}
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if (s.contains("u")) {
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return Direction.UP;
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}
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if (s.contains("d")) {
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return Direction.DOWN;
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}
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if (s.length() == 1) {
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return Direction.RIGHT;
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}
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return Direction.DOWN;
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}
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public static String eventuallyRemoveStartingAndEndingDoubleQuote(String s) {
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if (s.startsWith("\"") && s.endsWith("\"")) {
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return s.substring(1, s.length() - 1);
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}
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if (s.startsWith("(") && s.endsWith(")")) {
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return s.substring(1, s.length() - 1);
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}
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if (s.startsWith("[") && s.endsWith("]")) {
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return s.substring(1, s.length() - 1);
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}
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if (s.startsWith(":") && s.endsWith(":")) {
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return s.substring(1, s.length() - 1);
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}
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return s;
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}
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// private static String cleanLineFromSource(String s) {
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// if (s.startsWith("\uFEFF")) {
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// s = s.substring(1);
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// }
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// if (s.startsWith("~~")) {
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// s = s.substring("~~".length());
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// }
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// // if (s.startsWith(" * ")) {
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// // s = s.substring(" * ".length());
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// // }
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// s = s.replaceFirst("^\\s+\\* ", "");
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// if (s.equals(" *")) {
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// s = "";
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// }
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// s = s.trim();
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// while (s.startsWith(" ") || s.startsWith("/") || s.startsWith("\t") ||
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// s.startsWith("%") || s.startsWith("/*")) {
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// if (s.startsWith("/*")) {
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// s = s.substring(2).trim();
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// } else {
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// s = s.substring(1).trim();
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// }
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// }
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// return s;
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// }
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public static boolean isCJK(char c) {
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final Character.UnicodeBlock block = Character.UnicodeBlock.of(c);
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System.err.println(block);
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return false;
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}
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public static char hiddenLesserThan() {
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return '\u0005';
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}
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public static char hiddenBiggerThan() {
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return '\u0006';
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}
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public static String hideComparatorCharacters(String s) {
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s = s.replace('<', hiddenLesserThan());
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s = s.replace('>', hiddenBiggerThan());
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return s;
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}
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public static String showComparatorCharacters(String s) {
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s = s.replace(hiddenLesserThan(), '<');
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s = s.replace(hiddenBiggerThan(), '>');
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return s;
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}
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public static int getWidth(List<? extends CharSequence> stringsToDisplay) {
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int result = 1;
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for (CharSequence s : stringsToDisplay) {
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if (result < s.length()) {
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result = s.length();
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}
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}
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return result;
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}
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public static int getHeight(List<? extends CharSequence> stringsToDisplay) {
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return stringsToDisplay.size();
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}
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private static boolean firstColumnRemovable(List<String> data) {
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boolean allEmpty = true;
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for (String s : data) {
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if (s.length() == 0) {
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continue;
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}
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allEmpty = false;
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final char c = s.charAt(0);
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if (c != ' ' && c != '\t') {
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return false;
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}
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}
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return allEmpty == false;
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}
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private static void removeFirstColumn(List<String> data) {
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for (int i = 0; i < data.size(); i++) {
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final String s = data.get(i);
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if (s.length() > 0) {
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data.set(i, s.substring(1));
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}
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}
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}
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public static List<String> removeEmptyColumns(List<String> data) {
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if (firstColumnRemovable(data) == false) {
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return data;
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}
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final List<String> result = new ArrayList<String>(data);
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do {
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removeFirstColumn(result);
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} while (firstColumnRemovable(result));
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return Collections.unmodifiableList(result);
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}
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public static void trim(List<String> data, boolean removeEmptyLines) {
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for (int i = 0; i < data.size(); i++) {
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final String s = data.get(i);
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data.set(i, s.trim());
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}
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if (removeEmptyLines) {
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for (final Iterator<String> it = data.iterator(); it.hasNext();) {
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if (it.next().length() == 0) {
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it.remove();
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}
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}
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}
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}
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public static String uncommentSource(String source) {
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final StringReader sr = new StringReader(source);
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final UncommentReadLine un = new UncommentReadLine(new ReadLineReader(sr));
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final StringBuilder sb = new StringBuilder();
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String s = null;
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try {
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while ((s = un.readLine()) != null) {
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sb.append(s);
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sb.append('\n');
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}
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} catch (IOException e) {
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Log.error("Error " + e);
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throw new IllegalStateException(e.toString());
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}
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sr.close();
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return sb.toString();
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}
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}
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