mirror of https://github.com/octoleo/plantuml.git
81 lines
2.4 KiB
Java
81 lines
2.4 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.creole.command;
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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.creole.legacy.StripeSimple;
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import net.sourceforge.plantuml.graphic.Splitter;
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import net.sourceforge.plantuml.math.ScientificEquationSafe;
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public class CommandCreoleMath implements Command {
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// ::remove file when WASM
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@Override
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public String startingChars() {
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return "<";
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}
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private static final Pattern2 pattern = MyPattern.cmpile("^(" + Splitter.mathPattern + ")");
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private CommandCreoleMath() {
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}
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public static Command create() {
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return new CommandCreoleMath();
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}
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public int matchingSize(String line) {
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final Matcher2 m = pattern.matcher(line);
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if (m.find() == false) {
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return 0;
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}
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return m.group(1).length();
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}
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public String executeAndGetRemaining(String line, StripeSimple stripe) {
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final Matcher2 m = pattern.matcher(line);
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if (m.find() == false) {
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throw new IllegalStateException();
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}
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final String math = m.group(2);
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stripe.addMath(ScientificEquationSafe.fromAsciiMath(math));
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return line.substring(m.group(1).length());
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}
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}
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