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plantuml/src/net/sourceforge/plantuml/cucadiagram/dot/GraphvizVersionFinder.java
2022-06-06 12:35:27 +02:00

141 lines
3.4 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!)
* http://plantuml.com/paypal
*
* 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.cucadiagram.dot;
import java.io.File;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import net.sourceforge.plantuml.StringUtils;
public class GraphvizVersionFinder {
final private File dotExe;
final public static GraphvizVersion DEFAULT = new GraphvizVersion() {
public boolean useShield() {
return true;
}
public boolean useProtectionWhenThereALinkFromOrToGroup() {
return true;
}
public boolean useXLabelInsteadOfLabel() {
return false;
}
public boolean isVizjs() {
return false;
}
public boolean ignoreHorizontalLinks() {
return false;
}
};
public GraphvizVersionFinder(File dotExe) {
this.dotExe = dotExe;
}
public GraphvizVersion getVersion() {
final String dotVersion = dotVersion();
final Pattern p = Pattern.compile("([23456])\\.(\\d\\d?)");
final Matcher m = p.matcher(dotVersion);
final boolean find = m.find();
if (find == false) {
return DEFAULT;
}
final int major = Integer.parseInt(m.group(1));
final int minor = Integer.parseInt(m.group(2));
final int v = 100 * major + minor;
return new GraphvizVersion() {
public boolean useShield() {
return v <= 228;
}
public boolean useProtectionWhenThereALinkFromOrToGroup() {
if (v == 239 || v == 240) {
return false;
}
// return v < 238;
return true;
}
public boolean useXLabelInsteadOfLabel() {
return false;
}
public boolean isVizjs() {
return false;
}
public boolean ignoreHorizontalLinks() {
if (v == 230) {
return true;
}
return false;
}
};
}
public String dotVersion() {
final String cmd[] = getCommandLine();
final ProcessRunner p = new ProcessRunner(cmd);
final ProcessState state = p.run(null, null);
if (state.differs(ProcessState.TERMINATED_OK())) {
return "?";
}
final StringBuilder sb = new StringBuilder();
if (StringUtils.isNotEmpty(p.getOut())) {
sb.append(p.getOut());
}
if (StringUtils.isNotEmpty(p.getError())) {
if (sb.length() > 0) {
sb.append(' ');
}
sb.append(p.getError());
}
return StringUtils.trin(sb.toString().replace('\n', ' '));
}
private String[] getCommandLine() {
return new String[] { dotExe.getAbsolutePath(), "-V" };
}
}