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plantuml/src/net/sourceforge/plantuml/graphic/color/ColorParser.java
2022-02-10 19:16:18 +01:00

121 lines
3.8 KiB
Java

/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2020, 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.graphic.color;
import net.sourceforge.plantuml.api.ThemeStyle;
import net.sourceforge.plantuml.command.regex.RegexLeaf;
import net.sourceforge.plantuml.command.regex.RegexResult;
import net.sourceforge.plantuml.ugraphic.color.HColorSet;
import net.sourceforge.plantuml.ugraphic.color.NoSuchColorException;
public class ColorParser {
private static final String COLOR_REGEXP = "#\\w+[-\\\\|/]?\\w+";
private static final String PART2 = "#(?:\\w+[-\\\\|/]?\\w+;)?(?:(?:text|back|header|line|line\\.dashed|line\\.dotted|line\\.bold|shadowing)(?::\\w+[-\\\\|/]?\\w+)?(?:;|(?![\\w;:.])))+";
private static final String COLORS_REGEXP = "(?:" + PART2 + ")|(?:" + COLOR_REGEXP + ")";
private final RegexLeaf regex;
private final String name;
private final ColorType mainType;
private ColorParser(String name, RegexLeaf regex, ColorType mainType) {
this.regex = regex;
this.name = name;
this.mainType = mainType;
}
public Colors getColor(ThemeStyle themeStyle, RegexResult arg, HColorSet set) throws NoSuchColorException {
if (mainType == null) {
throw new IllegalStateException();
}
final String data = arg.getLazzy(name, 0);
if (data == null) {
return Colors.empty();
}
return new Colors(themeStyle, data, set, mainType);
}
// New Parsers
public static ColorParser simpleColor(ColorType mainType) {
return simpleColor(mainType, "COLOR");
}
public static ColorParser simpleColor(ColorType mainType, String id) {
return new ColorParser(id, new RegexLeaf(id, "(" + COLORS_REGEXP + ")?"), mainType);
}
public static ColorParser mandatoryColor(ColorType mainType) {
return new ColorParser("COLOR", new RegexLeaf("COLOR", "(" + COLORS_REGEXP + ")"), mainType);
}
public static ColorParser simpleColor(String optPrefix, ColorType mainType) {
return new ColorParser("COLOR", new RegexLeaf("COLOR", "(?:" + optPrefix + " (" + COLORS_REGEXP + "))?"),
mainType);
}
// Old Parsers
public static RegexLeaf exp1() {
return simpleColor(null).regex;
}
public static RegexLeaf exp2() {
return new RegexLeaf("BACKCOLOR", "(" + COLOR_REGEXP + ")?");
}
public static RegexLeaf exp3() {
return new RegexLeaf("BACKCOLOR2", "(" + COLOR_REGEXP + ")?");
}
public static RegexLeaf exp4() {
return new RegexLeaf("COLOR", "(?:(" + COLOR_REGEXP + "):)?");
}
public static RegexLeaf exp6() {
return new RegexLeaf("COLOR", "(?:(" + COLOR_REGEXP + ")\\|)?");
}
public static RegexLeaf exp7() {
return new RegexLeaf("COLOR", "(?:(" + COLOR_REGEXP + "))?");
}
public RegexLeaf getRegex() {
return regex;
}
}