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/*
 * Copyright (C) Inria Sophia Antipolis - Méditerranée / LIRMM
 * (Université de Montpellier & CNRS) (2014 - 2017)
 *
 * Contributors :
 *
 * Clément SIPIETER 
 * Mélanie KÖNIG
 * Swan ROCHER
 * Jean-François BAGET
 * Michel LECLÈRE
 * Marie-Laure MUGNIER 
 *
 *
 * This file is part of Graal .
 *
 * This software is governed by the CeCILL license under French law and
 * abiding by the rules of distribution of free software. You can use,
 * modify and/ or redistribute the software under the terms of the CeCILL
 * license as circulated by CEA, CNRS and INRIA at the following URL
 * "http://www.cecill.info".
 *
 * As a counterpart to the access to the source code and rights to copy,
 * modify and redistribute granted by the license, users are provided only
 * with a limited warranty and the software's author, the holder of the
 * economic rights, and the successive licensors have only limited
 * liability.
 *
 * In this respect, the user's attention is drawn to the risks associated
 * with loading, using, modifying and/or developing or reproducing the
 * software by the user in light of its specific status of free software,
 * that may mean that it is complicated to manipulate, and that also
 * therefore means that it is reserved for developers and experienced
 * professionals having in-depth computer knowledge. Users are therefore
 * encouraged to load and test the software's suitability as regards their
 * requirements in conditions enabling the security of their systems and/or
 * data to be ensured and, more generally, to use and operate it in the
 * same conditions as regards security.
 *
 * The fact that you are presently reading this means that you have had
 * knowledge of the CeCILL license and that you accept its terms.
 */
package fr.boreal.io.dlgp;

import java.io.Reader;

import fr.boreal.model.logicalElements.factory.api.TermFactory;
import fr.boreal.model.logicalElements.factory.impl.FactoryConstants;
import fr.lirmm.boreal.util.stream.InMemoryStream;
import fr.lirmm.graphik.dlgp3.parser.ADlgpItemFactory;
import fr.lirmm.graphik.dlgp3.parser.DLGP2Parser;


class Producer implements Runnable {

	private final Reader reader;
	private final InMemoryStream buffer;
	private final TermFactory termFactory = FactoryConstants.DEFAULT_TERM_FACTORY;

	
	Producer(Reader reader, InMemoryStream buffer) {
		this.reader = reader;
		this.buffer = buffer;
	}

	@Override
	public void run() {
		ADlgpItemFactory f = new InternalObjectFactory(termFactory);
		f.addParserListener(new DlgpListener(buffer));
		f.setDefaultBase("");
		DLGP2Parser parser = new DLGP2Parser(f, reader);

		try {
			parser.document();
		} catch (fr.lirmm.graphik.dlgp3.parser.ParseException e) {
			buffer.write(new DlgpParseException(e));
		} catch (Throwable e) {
			buffer.write(new DlgpParseException(e.getMessage(), parser.token.beginLine, parser.token.beginColumn));
		} finally {
			buffer.close();
		}
	}
}