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119 lines
3.3 KiB
Java
119 lines
3.3 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 2009-2023, Arnaud Roques
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*
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* Project Info: http://plantuml.com
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*
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* If you like this project or if you find it useful, you can support us at:
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*
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* http://plantuml.com/patreon (only 1$ per month!)
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* http://plantuml.com/paypal
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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 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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*
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* Original Author: Arnaud Roques
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*
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*
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*/
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package net.sourceforge.plantuml.salt;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.StringTokenizer;
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import net.sourceforge.plantuml.StringUtils;
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import net.sourceforge.plantuml.command.regex.Matcher2;
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import net.sourceforge.plantuml.command.regex.MyPattern;
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import net.sourceforge.plantuml.command.regex.Pattern2;
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public class DataSourceImpl implements DataSource {
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private int i = 0;
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private final List<Terminated<String>> data = new ArrayList<Terminated<String>>();
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public DataSourceImpl(List<String> data) {
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final Pattern2 p = MyPattern.cmpile("\\{(?:[-+^#!*/]|S-|SI|S)?");
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for (String s : data) {
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final StringTokenizer st = new StringTokenizer(s, "|}", true);
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while (st.hasMoreTokens()) {
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final String token = StringUtils.trin(st.nextToken());
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if (token.equals("|")) {
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continue;
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}
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final Terminator terminator = st.hasMoreTokens() ? Terminator.NEWCOL : Terminator.NEWLINE;
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final Matcher2 m = p.matcher(token);
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final boolean found = m.find();
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if (found == false) {
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addInternal(token, terminator);
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continue;
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}
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int lastStart = 0;
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int end = 0;
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do {
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final int start = m.start();
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if (start > lastStart) {
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addInternal(token.substring(lastStart, start), Terminator.NEWCOL);
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}
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end = m.end();
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final Terminator t = end == token.length() ? terminator : Terminator.NEWCOL;
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addInternal(token.substring(start, end), t);
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lastStart = end;
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} while (m.find());
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if (end < token.length()) {
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addInternal(token.substring(end), terminator);
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}
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}
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}
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}
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private void addInternal(String s, Terminator t) {
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s = StringUtils.trin(s);
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if (s.length() > 0) {
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data.add(new Terminated<>(s, t));
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}
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}
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public Terminated<String> peek(int nb) {
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return data.get(i + nb);
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}
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public boolean hasNext() {
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return i < data.size();
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}
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public Terminated<String> next() {
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final Terminated<String> result = data.get(i);
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i++;
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return result;
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}
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public void remove() {
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throw new UnsupportedOperationException();
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}
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public String toString() {
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return super.toString() + " " + (hasNext() ? peek(0) : "$$$");
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}
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}
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