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137 lines
4.4 KiB
Java
137 lines
4.4 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.utils;
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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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import net.sourceforge.plantuml.core.DiagramType;
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public class StartUtils {
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public static final Pattern2 patternFilename = MyPattern
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.cmpile("^[@\\\\]start[^%s{}%g]+[%s{][%s%g]*([^%g]*?)[%s}%g]*$");
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public static final String PAUSE_PATTERN = "((?:\\W|\\<[^<>]*\\>)*)[@\\\\]unpause";
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public static final String START_PATTERN = "((?:[^\\w~]|\\<[^<>]*\\>)*)[@\\\\]start";
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public static String beforeStartUml(final String s) {
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boolean inside = false;
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for (int i = 0; i < s.length(); i++) {
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final String tmp = s.substring(i, s.length());
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if (startsWithSymbolAnd("start", tmp)) {
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return s.substring(0, i);
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}
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final String single = s.substring(i, i + 1);
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if (inside) {
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if (single.equals(">")) {
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inside = false;
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}
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continue;
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}
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if (single.equals("<")) {
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inside = true;
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} else if (single.matches("[\\w~]")) {
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return null;
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}
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}
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return null;
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// final Matcher m = MyPattern.cmpile(START_PATTERN).matcher(result);
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// if (m.find()) {
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// return m.group(1);
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// }
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// return null;
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}
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public static boolean isArobaseStartDiagram(String s) {
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final String s2 = StringUtils.trinNoTrace(s);
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if (s2.startsWith("@") == false && s2.startsWith("\\") == false) {
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return false;
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}
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return DiagramType.getTypeFromArobaseStart(s2) != DiagramType.UNKNOWN;
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}
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public static boolean startsWithSymbolAnd(String value, final StringLocated tmp) {
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return tmp.getString().startsWith("@" + value) || tmp.getString().startsWith("\\" + value);
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}
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public static boolean startsWithSymbolAnd(String value, final String tmp) {
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return tmp.startsWith("@" + value) || tmp.startsWith("\\" + value);
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}
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public static boolean startOrEnd(final StringLocated s) {
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final String s2 = StringUtils.trinNoTrace(s.getString());
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if (s2.startsWith("@") == false && s2.startsWith("\\") == false) {
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return false;
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}
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return startsWithSymbolAnd("end", s2) || DiagramType.getTypeFromArobaseStart(s2) != DiagramType.UNKNOWN;
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}
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public static boolean isArobaseEndDiagram(String s) {
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final String s2 = StringUtils.trinNoTrace(s);
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return startsWithSymbolAnd("end", s2);
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}
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public static boolean isArobasePauseDiagram(String s) {
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final String s2 = StringUtils.trinNoTrace(s);
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return startsWithSymbolAnd("pause", s2);
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}
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public static boolean isArobaseUnpauseDiagram(String s) {
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final String s2 = StringUtils.trinNoTrace(s);
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return startsWithSymbolAnd("unpause", s2);
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}
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public static boolean isExit(CharSequence s) {
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final String s2 = StringUtils.trinNoTrace(s);
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return s2.equals("!exit");
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}
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private static final Pattern2 append = MyPattern.cmpile("^\\W*[@\\\\](append|a)\\b");
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public static StringLocated getPossibleAppend(StringLocated cs) {
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final String s = cs.getString();
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final Matcher2 m = append.matcher(s);
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if (m.find()) {
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final String tmp = s.substring(m.group(0).length(), s.length());
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return new StringLocated(StringUtils.trin(tmp), cs.getLocation(), cs.getPreprocessorError());
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}
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return null;
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}
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}
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