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109 lines
3.1 KiB
Java
109 lines
3.1 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 2009-2020, 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.command;
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import net.sourceforge.plantuml.StringLocated;
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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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import net.sourceforge.plantuml.core.Diagram;
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public abstract class CommandMultilinesBracket<S extends Diagram> implements Command<S> {
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private final Pattern2 starting;
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public CommandMultilinesBracket(String patternStart) {
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if (patternStart.startsWith("^") == false || patternStart.endsWith("$") == false) {
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throw new IllegalArgumentException("Bad pattern " + patternStart);
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}
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this.starting = MyPattern.cmpile(patternStart);
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}
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protected boolean isCommandForbidden() {
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return false;
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}
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public String[] getDescription() {
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return new String[] { "BRACKET: " + starting.pattern() };
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}
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protected void actionIfCommandValid() {
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}
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protected final Pattern2 getStartingPattern() {
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return starting;
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}
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final public CommandControl isValid(BlocLines lines) {
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if (isCommandForbidden()) {
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return CommandControl.NOT_OK;
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}
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final Matcher2 m1 = starting.matcher(lines.getFirst().getTrimmed().getString());
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if (m1.matches() == false) {
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return CommandControl.NOT_OK;
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}
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if (lines.size() == 1) {
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return CommandControl.OK_PARTIAL;
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}
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int level = 1;
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for (StringLocated cs : lines.subExtract(1, 0)) {
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final String s = cs.getTrimmed().getString();
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if (isLineConsistent(s, level) == false) {
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return CommandControl.NOT_OK;
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}
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if (s.endsWith("{")) {
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level++;
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}
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if (s.endsWith("}")) {
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level--;
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}
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if (level < 0) {
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return CommandControl.NOT_OK;
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}
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}
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if (level != 0) {
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return CommandControl.OK_PARTIAL;
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}
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actionIfCommandValid();
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return CommandControl.OK;
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}
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protected abstract boolean isLineConsistent(String line, int level);
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}
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