XtextAadlBaHighlighter.java

/**
 * AADL-BA-FrontEnd
 *
 * Copyright © 2013 TELECOM ParisTech and CNRS
 *
 * TELECOM ParisTech/LTCI
 *
 * Authors: see AUTHORS
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the Eclipse Public License as published by Eclipse,
 * either version 2.0 of the License, or (at your option) any later version.
 * This program is 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
 * Eclipse Public License for more details.
 * You should have received a copy of the Eclipse Public License
 * along with this program.  If not, see
 * https://www.eclipse.org/legal/epl-2.0/
 */

package org.osate.ba.texteditor;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.WeakHashMap;

import org.antlr.v4.runtime.CommonToken;
import org.antlr.v4.runtime.Token;
import org.osate.aadl2.AnnexSubclause;
import org.osate.ba.utils.AadlBaLocationReference;

public class XtextAadlBaHighlighter implements AadlBaHighlighter {

	private List<AadlBaLocationReference> _elementToHighlight = new ArrayList<AadlBaLocationReference>();

	@Override
	public void addToHighlighting(int annexOffset, Token token, String id) {
		int offset = ((CommonToken) token).getStartIndex();
		int length = token.getText().length();
		int column = token.getCharPositionInLine();

		_elementToHighlight.add(new AadlBaLocationReference(annexOffset, offset, length, column, id));
	}

	public List<AadlBaLocationReference> getElementsToHighlitght() {
		return _elementToHighlight;
	}

	@Override
	public void addToHighlighting(int annexOffset, int relativeOffset, int length, String id) {
		_elementToHighlight.add(new AadlBaLocationReference(annexOffset, relativeOffset, length, 0, id));
	}

	private XtextAadlBaHighlighter() {
	}

	private static Map<AnnexSubclause, XtextAadlBaHighlighter> _highlighterPerAnnex = new WeakHashMap<AnnexSubclause, XtextAadlBaHighlighter>();

	public static XtextAadlBaHighlighter getHighlighter(AnnexSubclause as) {
		if (_highlighterPerAnnex.get(as) == null) {
			XtextAadlBaHighlighter ht = new XtextAadlBaHighlighter();
			_highlighterPerAnnex.put(as, ht);
		}
		return _highlighterPerAnnex.get(as);
	}

	public void cleanup() {
		_elementToHighlight.clear();
	}

}