plantuml/src/net/sourceforge/plantuml/command/CommandMultilines3.java

107 lines
3.2 KiB
Java

/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2023, Arnaud Roques
*
* Project Info: http://plantuml.com
*
* If you like this project or if you find it useful, you can support us at:
*
* http://plantuml.com/patreon (only 1$ per month!)
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*
* This file is part of PlantUML.
*
* PlantUML is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PlantUML distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
* License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
*
* Original Author: Arnaud Roques
*
*
*/
package net.sourceforge.plantuml.command;
import net.sourceforge.plantuml.StringLocated;
import net.sourceforge.plantuml.command.regex.IRegex;
import net.sourceforge.plantuml.command.regex.RegexConcat;
import net.sourceforge.plantuml.core.Diagram;
public abstract class CommandMultilines3<S extends Diagram> implements Command<S> {
private final IRegex starting;
private final MultilinesStrategy strategy;
public CommandMultilines3(IRegex patternStart, MultilinesStrategy strategy) {
if (patternStart.getPattern().startsWith("^") == false || patternStart.getPattern().endsWith("$") == false)
throw new IllegalArgumentException("Bad pattern " + patternStart.getPattern());
this.strategy = strategy;
this.starting = patternStart;
}
public abstract RegexConcat getPatternEnd2();
public String[] getDescription() {
return new String[] { "START: " + starting.getPattern(), "END: " + getPatternEnd2().getPattern() };
}
final public CommandControl isValid(BlocLines lines) {
lines = lines.cleanList(strategy);
if (isCommandForbidden())
return CommandControl.NOT_OK;
final StringLocated first = lines.getFirst();
if (first == null)
return CommandControl.NOT_OK;
final boolean result1 = starting.match(first.getTrimmed());
if (result1 == false)
return CommandControl.NOT_OK;
if (lines.size() == 1)
return CommandControl.OK_PARTIAL;
final StringLocated potentialLast = lines.getLast().getTrimmed();
final boolean m1 = getPatternEnd2().match(potentialLast);
if (m1 == false)
return CommandControl.OK_PARTIAL;
actionIfCommandValid();
return CommandControl.OK;
}
public final CommandExecutionResult execute(S system, BlocLines lines) {
lines = lines.cleanList(strategy);
return executeNow(system, lines);
}
protected abstract CommandExecutionResult executeNow(S system, BlocLines lines);
protected boolean isCommandForbidden() {
return false;
}
protected void actionIfCommandValid() {
}
protected final IRegex getStartingPattern() {
return starting;
}
}