/*-
    * #%L
    * prolobjectlink-jpi-tuprolog
    * %%
    * Copyright (C) 2012 - 2019 Prolobjectlink Project
    * %%
    * This program is free software: you can redistribute it and/or modify
    * it under the terms of the GNU Lesser General Public License as
    * published by the Free Software Foundation, either version 2.1 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
   * GNU General Lesser Public License for more details.
   * 
   * You should have received a copy of the GNU General Lesser Public
   * License along with this program.  If not, see
   * <http://www.gnu.org/licenses/lgpl-2.1.html>.
   * #L%
   */
  package io.github.prolobjectlink.prolog.tuprolog;
  
  import java.util.Iterator;
  
  import javax.script.ScriptEngineFactory;
  
  import io.github.prolobjectlink.prolog.ArrayIterator;
  import io.github.prolobjectlink.prolog.PrologScriptEngineFactory;
  
  public final class TuPrologScriptFactory extends PrologScriptEngineFactory implements ScriptEngineFactory {
  
  	public TuPrologScriptFactory() {
  		super(new TuProlog().newEngine());
  	}
  
  	public String getMethodCallSyntax(String obj, String m, String... args) {
  		StringBuilder result = new StringBuilder();
  		result.append(obj + " <- " + m);
  		result.append('(');
  		Iterator<String> i = new ArrayIterator<String>(args);
  		if (i.hasNext()) {
  			while (i.hasNext()) {
  				result.append(i.next());
  				if (i.hasNext()) {
  					result.append(',');
  				}
  			}
  		}
  		result.append(')');
  		return "" + result + "";
  	}
  
  }