net.automatalib.brics.BricsVisualizationHelper Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of automata-brics Show documentation

This artifact contains adapter classes for treating the Automaton objects from the BRICS library (http://www.brics.dk/automaton) as AutomataLib models.

There is a newer version: 0.6.0

Show newest version

/* Copyright (C) 2013-2025 TU Dortmund University
 * This file is part of AutomataLib .
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.automatalib.brics;

import java.util.Collection;
import java.util.Map;

import dk.brics.automaton.State;
import dk.brics.automaton.Transition;
import net.automatalib.visualization.DefaultVisualizationHelper;

/**
 * Rendering helper for Brics automaton adapters.
 */
final class BricsVisualizationHelper extends DefaultVisualizationHelper {

    private final AbstractBricsAutomaton automaton;

    /**
     * Constructor.
     *
     * @param automaton
     *         the automaton to render
     */
    BricsVisualizationHelper(AbstractBricsAutomaton automaton) {
        this.automaton = automaton;
    }

    @Override
    protected Collection initialNodes() {
        return automaton.getInitialStates();
    }

    @Override
    public boolean getNodeProperties(State node, Map properties) {
        super.getNodeProperties(node, properties);

        String str = node.toString();
        int wsIdx1 = str.indexOf(' ');
        int wsIdx2 = str.indexOf(' ', wsIdx1 + 1);
        properties.put(NodeAttrs.LABEL, "s" + str.substring(wsIdx1 + 1, wsIdx2));
        if (node.isAccept()) {
            properties.put(NodeAttrs.SHAPE, NodeShapes.DOUBLECIRCLE);
        }

        return true;
    }

    @Override
    public boolean getEdgeProperties(State src, Transition edge, State tgt, Map properties) {
        super.getEdgeProperties(src, edge, tgt, properties);

        String label = BricsTransitionProperty.toString(edge.getMin(), edge.getMax());
        properties.put(NodeAttrs.LABEL, label);

        return true;
    }

}