plantuml/src/net/sourceforge/plantuml/style/CommandStyleImport.java

107 lines
3.7 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.style;
import java.io.IOException;
import java.io.InputStream;
import net.sourceforge.plantuml.FileSystem;
import net.sourceforge.plantuml.TitledDiagram;
import net.sourceforge.plantuml.command.CommandExecutionResult;
import net.sourceforge.plantuml.command.SingleLineCommand2;
import net.sourceforge.plantuml.command.regex.IRegex;
import net.sourceforge.plantuml.command.regex.RegexConcat;
import net.sourceforge.plantuml.command.regex.RegexLeaf;
import net.sourceforge.plantuml.command.regex.RegexResult;
import net.sourceforge.plantuml.security.SFile;
import net.sourceforge.plantuml.style.parser.StyleParser;
import net.sourceforge.plantuml.style.parser.StyleParsingException;
import net.sourceforge.plantuml.utils.BlocLines;
import net.sourceforge.plantuml.utils.LineLocation;
public class CommandStyleImport extends SingleLineCommand2<TitledDiagram> {
public static final CommandStyleImport ME = new CommandStyleImport();
private CommandStyleImport() {
super(getRegexConcat());
}
static IRegex getRegexConcat() {
return RegexConcat.build(CommandStyleImport.class.getName(), //
RegexLeaf.start(), //
new RegexLeaf("\\<style"), //
RegexLeaf.spaceZeroOrMore(), //
new RegexLeaf("\\w+"), //
RegexLeaf.spaceZeroOrMore(), //
new RegexLeaf("="), //
RegexLeaf.spaceZeroOrMore(), //
new RegexLeaf("[%q%g]?"), //
new RegexLeaf("PATH", "([^%q%g]*)"), //
new RegexLeaf("[%q%g]?"), //
new RegexLeaf("\\>"), RegexLeaf.end()); //
}
@Override
protected CommandExecutionResult executeArg(TitledDiagram diagram, LineLocation location, RegexResult arg) {
final String path = arg.get("PATH", 0);
try {
final SFile f = FileSystem.getInstance().getFile(path);
BlocLines lines = null;
if (f.exists()) {
lines = BlocLines.load(f, location);
} else {
final InputStream internalIs = StyleLoader.class.getResourceAsStream("/skin/" + path);
if (internalIs != null)
lines = BlocLines.load(internalIs, location);
}
if (lines == null)
return CommandExecutionResult.error("Cannot read: " + path);
final StyleBuilder styleBuilder = diagram.getSkinParam().getCurrentStyleBuilder();
for (Style modifiedStyle : StyleParser.parse(lines, styleBuilder))
diagram.getSkinParam().muteStyle(modifiedStyle);
} catch (StyleParsingException e) {
return CommandExecutionResult.error("Error in style definition: " + e.getMessage());
} catch (IOException e) {
return CommandExecutionResult.error("Cannot read: " + path);
}
return CommandExecutionResult.ok();
}
}