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org.semanticweb.owlapi.rdf.turtle.parser.TurtleParser Maven / Gradle / Ivy

/* Generated By:JavaCC: Do not edit this line. TurtleParser.java */
package org.semanticweb.owlapi.rdf.turtle.parser;

import java.io.InputStream;
import java.io.Reader;
import java.util.HashMap;
import java.util.Map;

import org.semanticweb.owlapi.model.IRI;
import org.semanticweb.owlapi.model.NodeID;
import org.semanticweb.owlapi.model.PrefixManager;
import org.semanticweb.owlapi.util.DefaultPrefixManager;
import org.semanticweb.owlapi.util.EscapeUtils;
import org.semanticweb.owlapi.vocab.OWLRDFVocabulary;
import org.semanticweb.owlapi.vocab.XSDVocabulary;

/** The Class TurtleParser. */
@SuppressWarnings("all")
public class TurtleParser implements TurtleParserConstants {

    private Map string2IRI;

    private IRI base;

    private TripleHandler handler;

    private PrefixManager pm = new DefaultPrefixManager();

    /** Instantiates a new turtle parser.
     * 
     * @param reader
     *            the reader
     * @param handler
     *            the handler
     * @param base
     *            the base */
    public TurtleParser(Reader reader, TripleHandler handler, IRI base) {
        this(reader);
        this.handler = handler;
        this.base = base;
        string2IRI = new HashMap();
        pm.setDefaultPrefix("http://www.semanticweb.org/owl/owlapi/turtle#");
    }

    /** Instantiates a new turtle parser.
     * 
     * @param is
     *            the is
     * @param handler
     *            the handler
     * @param base
     *            the base */
    public TurtleParser(InputStream is, TripleHandler handler, IRI base) {
        this(is);
        this.handler = handler;
        this.base = base;
        string2IRI = new HashMap();
        pm.setDefaultPrefix("http://www.semanticweb.org/owl/owlapi/turtle#");
    }

    /** Gets the prefix manager.
     * 
     * @return the prefix manager */
    public PrefixManager getPrefixManager() {
        return pm;
    }

    /** Sets the triple handler.
     * 
     * @param handler
     *            the new triple handler */
    public void setTripleHandler(TripleHandler handler) {
        this.handler = handler;
    }

    /** Gets the next blank node.
     * 
     * @param id
     *            the id
     * @return the next blank node */
    protected IRI getNextBlankNode(String id) {
        String string;
        if (id == null) {
            string = NodeID.nextAnonymousIRI();
        } else {
            if (NodeID.isAnonymousNodeID(id)) {
                string = id;
            } else {
                string = NodeID.getIRIFromNodeID(id);
            }
        }
        IRI iri = string2IRI.get(string);
        if (iri == null) {
            iri = IRI.create(string);
            string2IRI.put(string, iri);
        }
        return iri;
    }

    /** Gets the iRI from q name.
     * 
     * @param qname
     *            the qname
     * @return the iRI from q name
     * @throws ParseException
     *             the parse exception */
    protected IRI getIRIFromQName(String qname) throws ParseException  {
        int colonIndex = qname.indexOf(':');
        if(colonIndex == -1) {
            throw new ParseException("Not a valid qname (missing ':') " + qname);
        }
        String prefix = qname.substring(0, colonIndex + 1);
        if(prefix.equals("_:")) {
            return getIRI("genid" + qname.substring(colonIndex + 1));
        }
        if(!pm.containsPrefixMapping(prefix)) {
            throw new ParseException("Prefix not declared: " + prefix);
        }
        return pm.getIRI(qname);
    }

    /** Gets the iri.
     * 
     * @param s
     *            the s
     * @return the iri */
    public IRI getIRI(String s) {
         if(s.charAt(0) == '<') {
            s = s.substring(1, s.length() - 1);
        }
        IRI iri = string2IRI.get(s);
        if(iri == null) {
            iri = IRI.create(s);
            if (!iri.isAbsolute()) {
                iri = IRI.create(base.getNamespace().substring(0, base.getNamespace().lastIndexOf('/')+1), s);
            }
            string2IRI.put(s, iri);
        }
        return iri;
    }

/////////////////////////////////////////////////////////////////////////////////////////////
  final public void parseDocument() throws ParseException {
    label_1:
    while (true) {
      if (jj_2_1(2)) {
        parseDirective();
        jj_consume_token(DOT);
      } else if (jj_2_2(2)) {
        parseStatement();
        jj_consume_token(DOT);
      } else {
        jj_consume_token(-1);
        throw new ParseException();
      }
      if (jj_2_3(2)) {
        ;
      } else {
        break label_1;
      }
    }
    jj_consume_token(0);
                                                           handler.handleEnd();
  }

  final public void parseDirective() throws ParseException {
    if (jj_2_4(2)) {
      parsePrefixDirective();
    } else if (jj_2_5(2)) {
      parseBaseDirective();
    } else {
      jj_consume_token(-1);
      throw new ParseException();
    }
  }

  final public void parsePrefixDirective() throws ParseException {
    Token t;
    String prefix = "";
    IRI ns;
    jj_consume_token(PREFIX);
    t = jj_consume_token(PNAME_NS);
                          prefix=t.image;
    ns = parseIRI();
        pm.setPrefix(prefix, ns.toString());
        handler.handlePrefixDirective(prefix, ns.toString());
  }

  final public void parseBaseDirective() throws ParseException {
    Token t;
    jj_consume_token(BASE);
    t = jj_consume_token(FULLIRI);
                        base = IRI.create(t.image.substring(1, t.image.length() - 1));
        handler.handleBaseDirective(base);
  }

  final public void parseStatement() throws ParseException {
    parseTriples();
  }

  final public void parseTriples() throws ParseException {
    IRI subject;
    subject = parseSubject();
    if (jj_2_6(2)) {
      parsePredicateObjectList(subject);
    } else {
      ;
    }
  }

  final public IRI parseSubject() throws ParseException {
    IRI iri;
    if (jj_2_7(2)) {
      iri = parseResource();
    } else if (jj_2_8(2)) {
      iri = parseBlankNode();
    } else {
      jj_consume_token(-1);
      throw new ParseException();
    }
        {if (true) return iri;}
    throw new Error("Missing return statement in function");
  }

  final public IRI parseLoneNS() throws ParseException {
    Token t;
    t = jj_consume_token(PNAME_NS);
        {if (true) return getIRIFromQName(t.image);}
    throw new Error("Missing return statement in function");
  }

  final public IRI parseAbbreviatedIRI() throws ParseException {
    Token t;
    t = jj_consume_token(PNAME_LN);
        {if (true) return getIRIFromQName(t.image);}
    throw new Error("Missing return statement in function");
  }

  final public IRI parseIRI() throws ParseException {
    Token t;
    t = jj_consume_token(FULLIRI);
                 {if (true) return getIRI(t.image);}
    throw new Error("Missing return statement in function");
  }

  final public IRI parseBlankNode() throws ParseException {
    IRI iri = null;
    Token t;
    if (jj_2_11(2)) {
      iri = parseNodeID();
    } else if (jj_2_12(2)) {
      jj_consume_token(EMPTY_BLANK_NODE);
                       if(iri==null){iri = getNextBlankNode(null);}
    } else if (jj_2_13(2)) {
      jj_consume_token(OPEN_SQUARE_BRACKET);
      if (jj_2_10(2)) {
                            if(iri==null){iri = getNextBlankNode(null);}
        parsePredicateObjectList(iri);
        if (jj_2_9(2)) {
          jj_consume_token(DOT);
        } else {
          ;
        }
      } else {
        ;
      }
      jj_consume_token(CLOSE_SQUARE_BRACKET);
                                                                                                                                           if (iri == null) {iri = getNextBlankNode(null); }
    } else if (jj_2_14(2)) {
      iri = parseCollection();
    } else {
      jj_consume_token(-1);
      throw new ParseException();
    }
        {if (true) return iri;}
    throw new Error("Missing return statement in function");
  }

  final public IRI parseNodeID() throws ParseException {
    Token t;
    t = jj_consume_token(NODEID);
        {if (true) return getNextBlankNode(t.image);}
    throw new Error("Missing return statement in function");
  }

  final public void parsePredicateObjectList(IRI subject) throws ParseException {
    IRI predicate;
    predicate = parseVerb();
    parseObjectList(subject, predicate);
    label_2:
    while (true) {
      if (jj_2_15(2)) {
        ;
      } else {
        break label_2;
      }
      jj_consume_token(SEMICOLON);
      predicate = parseVerb();
      parseObjectList(subject, predicate);
    }
    if (jj_2_16(2)) {
      jj_consume_token(SEMICOLON);
    } else {
      ;
    }
  }

  final public IRI parseVerb() throws ParseException {
    IRI iri;
    if (jj_2_17(2)) {
      jj_consume_token(A);
         iri = OWLRDFVocabulary.RDF_TYPE.getIRI();
    } else if (jj_2_18(2)) {
      iri = parsePredicate();
    } else {
      jj_consume_token(-1);
      throw new ParseException();
    }
        {if (true) return iri;}
    throw new Error("Missing return statement in function");
  }

  final public IRI parsePredicate() throws ParseException {
    IRI iri;
    iri = parseResource();
        {if (true) return iri;}
    throw new Error("Missing return statement in function");
  }

  final public IRI parseResource() throws ParseException {
    IRI iri;
    if (jj_2_19(2)) {
      iri = parseIRI();
    } else if (jj_2_20(2)) {
      iri = parseAbbreviatedIRI();
    } else if (jj_2_21(2)) {
      iri = parseLoneNS();
    } else {
      jj_consume_token(-1);
      throw new ParseException();
    }
        {if (true) return iri;}
    throw new Error("Missing return statement in function");
  }

  final public void parseObjectList(IRI subject, IRI predicate) throws ParseException {
    parseObject(subject, predicate);
    label_3:
    while (true) {
      if (jj_2_22(2)) {
        ;
      } else {
        break label_3;
      }
      jj_consume_token(COMMA);
      parseObject(subject, predicate);
    }
  }

  final public void parseObject(IRI subject, IRI predicate) throws ParseException {
    IRI resObject;
    if (jj_2_25(2)) {
      parseLiteral(subject, predicate);
    } else if (jj_2_26(2)) {
      if (jj_2_23(2)) {
        resObject = parseResource();
      } else if (jj_2_24(2)) {
        resObject = parseBlankNode();
      } else {
        jj_consume_token(-1);
        throw new ParseException();
      }
        handler.handleTriple(subject, predicate, resObject);
    } else {
      jj_consume_token(-1);
      throw new ParseException();
    }
  }

  final public IRI parseCollection() throws ParseException {
    IRI iri;
    jj_consume_token(OPENPAR);
    iri = parseItemList();
    jj_consume_token(CLOSEPAR);
        {if (true) return iri;}
    throw new Error("Missing return statement in function");
  }

  final public IRI parseItemList() throws ParseException {
    //  _x  rdf:type rdf:List
    //  _x  rdf:first
    //  _x  rdf:next
    IRI firstSubject = OWLRDFVocabulary.RDF_NIL.getIRI();
    IRI subject = null;
    IRI type = OWLRDFVocabulary.RDF_TYPE.getIRI();
    IRI first = OWLRDFVocabulary.RDF_FIRST.getIRI();
    IRI rest = OWLRDFVocabulary.RDF_REST.getIRI();
    IRI list = OWLRDFVocabulary.RDF_LIST.getIRI();
    IRI nil = OWLRDFVocabulary.RDF_NIL.getIRI();
    label_4:
    while (true) {
      if (jj_2_27(2)) {
        ;
      } else {
        break label_4;
      }
        IRI prevSubject = subject;
        subject=getNextBlankNode(null);
        if(prevSubject != null) {
            handler.handleTriple(prevSubject, rest, subject);
        }
        else {
            firstSubject = subject;
        }
        if(subject!=null) {
        handler.handleTriple(subject, type, list);
        }
      parseObject(subject, first);
    }
        // Terminate list
        if(subject!=null) {
        handler.handleTriple(subject, rest, nil);
        }
        {if (true) return firstSubject;}
    throw new Error("Missing return statement in function");
  }

  final public void parseLiteral(IRI subject, IRI predicate) throws ParseException {
    String literal;
    String lang = null;
    IRI datatype = null;
    Token t;
    if (jj_2_31(2)) {
      literal = parseQuotedString();
      if (jj_2_30(2)) {
        if (jj_2_28(2)) {
          jj_consume_token(DOUBLE_CARET);
          datatype = parseResource();
        } else if (jj_2_29(2)) {
          jj_consume_token(AT);
          t = jj_consume_token(PN_LOCAL);
                                                                                                    lang=t.image;
        } else {
          jj_consume_token(-1);
          throw new ParseException();
        }
      } else {
        ;
      }
            if(datatype != null) {
                handler.handleTriple(subject, predicate, literal, datatype);
            }
            else if(lang != null) {
                handler.handleTriple(subject, predicate, literal, lang);
            }
            else {
                handler.handleTriple(subject, predicate, literal);
            }
    } else if (jj_2_32(2)) {
      literal = parseInteger();
                            handler.handleTriple(subject, predicate, literal, XSDVocabulary.INTEGER.getIRI());
    } else if (jj_2_33(2)) {
      literal = parseDouble();
                           handler.handleTriple(subject, predicate, literal, XSDVocabulary.DOUBLE.getIRI());
    } else if (jj_2_34(2)) {
      literal = parseDecimal();
                            handler.handleTriple(subject, predicate, literal, XSDVocabulary.DECIMAL.getIRI());
    } else if (jj_2_35(2)) {
      literal = parseBoolean();
                            handler.handleTriple(subject, predicate, literal, XSDVocabulary.BOOLEAN.getIRI());
    } else {
      jj_consume_token(-1);
      throw new ParseException();
    }
  }

  final public String parseInteger() throws ParseException {
    Token t;
    if (jj_2_36(2)) {
      t = jj_consume_token(INTEGER);
        {if (true) return t.image;}
    } else if (jj_2_37(2)) {
      t = jj_consume_token(DIGIT);
        {if (true) return t.image;}
    } else {
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
  }

  final public String parseDouble() throws ParseException {
    Token t;
    t = jj_consume_token(DOUBLE);
        {if (true) return t.image;}
    throw new Error("Missing return statement in function");
  }

  final public String parseDecimal() throws ParseException {
    Token t;
    t = jj_consume_token(DECIMAL);
        {if (true) return t.image;}
    throw new Error("Missing return statement in function");
  }

  final public String parseBoolean() throws ParseException {
    Token t;
    if (jj_2_38(2)) {
      t = jj_consume_token(TRUE);
    } else if (jj_2_39(2)) {
      t = jj_consume_token(FALSE);
    } else {
      jj_consume_token(-1);
      throw new ParseException();
    }
        {if (true) return t.image;}
    throw new Error("Missing return statement in function");
  }

  final public String parseQuotedString() throws ParseException {
    String s;
    s = parseString();
        {if (true) return s;}
    throw new Error("Missing return statement in function");
  }

  final public String parseString() throws ParseException {
    Token t;
    String rawString = "";
    if (jj_2_40(2)) {
      t = jj_consume_token(STRING);
        rawString = t.image.substring(1, t.image.length() - 1);
    } else if (jj_2_41(2)) {
      t = jj_consume_token(SINGLESTRING);
        rawString = t.image.substring(1, t.image.length() - 1);
    } else if (jj_2_42(2)) {
      t = jj_consume_token(LONG_STRING);
        rawString = t.image.substring(3, t.image.length() - 3);
    } else if (jj_2_43(2)) {
      t = jj_consume_token(LONG_SINGLESTRING);
        rawString = t.image.substring(3, t.image.length() - 3);
    } else {
      jj_consume_token(-1);
      throw new ParseException();
    }
        {if (true) return EscapeUtils.unescapeString(rawString);}
    throw new Error("Missing return statement in function");
  }

  private boolean jj_2_1(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_1(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(0, xla); }
  }

  private boolean jj_2_2(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_2(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(1, xla); }
  }

  private boolean jj_2_3(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_3(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(2, xla); }
  }

  private boolean jj_2_4(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_4(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(3, xla); }
  }

  private boolean jj_2_5(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_5(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(4, xla); }
  }

  private boolean jj_2_6(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_6(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(5, xla); }
  }

  private boolean jj_2_7(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_7(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(6, xla); }
  }

  private boolean jj_2_8(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_8(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(7, xla); }
  }

  private boolean jj_2_9(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_9(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(8, xla); }
  }

  private boolean jj_2_10(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_10(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(9, xla); }
  }

  private boolean jj_2_11(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_11(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(10, xla); }
  }

  private boolean jj_2_12(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_12(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(11, xla); }
  }

  private boolean jj_2_13(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_13(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(12, xla); }
  }

  private boolean jj_2_14(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_14(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(13, xla); }
  }

  private boolean jj_2_15(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_15(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(14, xla); }
  }

  private boolean jj_2_16(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_16(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(15, xla); }
  }

  private boolean jj_2_17(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_17(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(16, xla); }
  }

  private boolean jj_2_18(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_18(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(17, xla); }
  }

  private boolean jj_2_19(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_19(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(18, xla); }
  }

  private boolean jj_2_20(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_20(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(19, xla); }
  }

  private boolean jj_2_21(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_21(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(20, xla); }
  }

  private boolean jj_2_22(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_22(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(21, xla); }
  }

  private boolean jj_2_23(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_23(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(22, xla); }
  }

  private boolean jj_2_24(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_24(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(23, xla); }
  }

  private boolean jj_2_25(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_25(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(24, xla); }
  }

  private boolean jj_2_26(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_26(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(25, xla); }
  }

  private boolean jj_2_27(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_27(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(26, xla); }
  }

  private boolean jj_2_28(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_28(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(27, xla); }
  }

  private boolean jj_2_29(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_29(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(28, xla); }
  }

  private boolean jj_2_30(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_30(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(29, xla); }
  }

  private boolean jj_2_31(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_31(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(30, xla); }
  }

  private boolean jj_2_32(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_32(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(31, xla); }
  }

  private boolean jj_2_33(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_33(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(32, xla); }
  }

  private boolean jj_2_34(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_34(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(33, xla); }
  }

  private boolean jj_2_35(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_35(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(34, xla); }
  }

  private boolean jj_2_36(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_36(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(35, xla); }
  }

  private boolean jj_2_37(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_37(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(36, xla); }
  }

  private boolean jj_2_38(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_38(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(37, xla); }
  }

  private boolean jj_2_39(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_39(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(38, xla); }
  }

  private boolean jj_2_40(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_40(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(39, xla); }
  }

  private boolean jj_2_41(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_41(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(40, xla); }
  }

  private boolean jj_2_42(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_42(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(41, xla); }
  }

  private boolean jj_2_43(int xla) {
    jj_la = xla; jj_lastpos = jj_scanpos = token;
    try { return !jj_3_43(); }
    catch(LookaheadSuccess ls) { return true; }
    finally { jj_save(42, xla); }
  }

  private boolean jj_3R_18() {
    if (jj_scan_token(PNAME_NS)) return true;
    return false;
  }

  private boolean jj_3_16() {
    if (jj_scan_token(SEMICOLON)) return true;
    return false;
  }

  private boolean jj_3R_27() {
    if (jj_3R_19()) return true;
    return false;
  }

  private boolean jj_3_35() {
    if (jj_3R_25()) return true;
    return false;
  }

  private boolean jj_3_34() {
    if (jj_3R_24()) return true;
    return false;
  }

  private boolean jj_3_33() {
    if (jj_3R_23()) return true;
    return false;
  }

  private boolean jj_3_32() {
    if (jj_3R_22()) return true;
    return false;
  }

  private boolean jj_3_7() {
    if (jj_3R_10()) return true;
    return false;
  }

  private boolean jj_3R_30() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3_7()) {
    jj_scanpos = xsp;
    if (jj_3_8()) return true;
    }
    return false;
  }

  private boolean jj_3_19() {
    if (jj_3R_16()) return true;
    return false;
  }

  private boolean jj_3R_10() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3_19()) {
    jj_scanpos = xsp;
    if (jj_3_20()) {
    jj_scanpos = xsp;
    if (jj_3_21()) return true;
    }
    }
    return false;
  }

  private boolean jj_3R_26() {
    if (jj_3R_30()) return true;
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3_6()) jj_scanpos = xsp;
    return false;
  }

  private boolean jj_3_43() {
    if (jj_scan_token(LONG_SINGLESTRING)) return true;
    return false;
  }

  private boolean jj_3R_15() {
    if (jj_3R_10()) return true;
    return false;
  }

  private boolean jj_3R_20() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3_31()) {
    jj_scanpos = xsp;
    if (jj_3_32()) {
    jj_scanpos = xsp;
    if (jj_3_33()) {
    jj_scanpos = xsp;
    if (jj_3_34()) {
    jj_scanpos = xsp;
    if (jj_3_35()) return true;
    }
    }
    }
    }
    return false;
  }

  private boolean jj_3_31() {
    if (jj_3R_21()) return true;
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3_30()) jj_scanpos = xsp;
    return false;
  }

  private boolean jj_3_42() {
    if (jj_scan_token(LONG_STRING)) return true;
    return false;
  }

  private boolean jj_3R_6() {
    if (jj_3R_26()) return true;
    return false;
  }

  private boolean jj_3_41() {
    if (jj_scan_token(SINGLESTRING)) return true;
    return false;
  }

  private boolean jj_3_40() {
    if (jj_scan_token(STRING)) return true;
    return false;
  }

  private boolean jj_3_5() {
    if (jj_3R_8()) return true;
    return false;
  }

  private boolean jj_3_17() {
    if (jj_scan_token(A)) return true;
    return false;
  }

  private boolean jj_3R_29() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3_40()) {
    jj_scanpos = xsp;
    if (jj_3_41()) {
    jj_scanpos = xsp;
    if (jj_3_42()) {
    jj_scanpos = xsp;
    if (jj_3_43()) return true;
    }
    }
    }
    return false;
  }

  private boolean jj_3R_14() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3_17()) {
    jj_scanpos = xsp;
    if (jj_3_18()) return true;
    }
    return false;
  }

  private boolean jj_3R_8() {
    if (jj_scan_token(BASE)) return true;
    if (jj_scan_token(FULLIRI)) return true;
    return false;
  }

  private boolean jj_3_2() {
    if (jj_3R_6()) return true;
    if (jj_scan_token(DOT)) return true;
    return false;
  }

  private boolean jj_3_10() {
    if (jj_3R_9()) return true;
    return false;
  }

  private boolean jj_3R_9() {
    if (jj_3R_14()) return true;
    if (jj_3R_27()) return true;
    return false;
  }

  private boolean jj_3_39() {
    if (jj_scan_token(FALSE)) return true;
    return false;
  }

  private boolean jj_3R_21() {
    if (jj_3R_29()) return true;
    return false;
  }

  private boolean jj_3_29() {
    if (jj_scan_token(AT)) return true;
    if (jj_scan_token(PN_LOCAL)) return true;
    return false;
  }

  private boolean jj_3R_7() {
    if (jj_scan_token(PREFIX)) return true;
    if (jj_scan_token(PNAME_NS)) return true;
    return false;
  }

  private boolean jj_3R_12() {
    if (jj_scan_token(NODEID)) return true;
    return false;
  }

  private boolean jj_3_21() {
    if (jj_3R_18()) return true;
    return false;
  }

  private boolean jj_3_38() {
    if (jj_scan_token(TRUE)) return true;
    return false;
  }

  private boolean jj_3R_25() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3_38()) {
    jj_scanpos = xsp;
    if (jj_3_39()) return true;
    }
    return false;
  }

  private boolean jj_3_27() {
    if (jj_3R_19()) return true;
    return false;
  }

  private boolean jj_3R_28() {
    Token xsp;
    while (true) {
      xsp = jj_scanpos;
      if (jj_3_27()) { jj_scanpos = xsp; break; }
    }
    return false;
  }

  private boolean jj_3R_5() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3_4()) {
    jj_scanpos = xsp;
    if (jj_3_5()) return true;
    }
    return false;
  }

  private boolean jj_3_4() {
    if (jj_3R_7()) return true;
    return false;
  }

  private boolean jj_3_9() {
    if (jj_scan_token(DOT)) return true;
    return false;
  }

  private boolean jj_3_14() {
    if (jj_3R_13()) return true;
    return false;
  }

  private boolean jj_3_1() {
    if (jj_3R_5()) return true;
    return false;
  }

  private boolean jj_3_3() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3_1()) {
    jj_scanpos = xsp;
    if (jj_3_2()) return true;
    }
    return false;
  }

  private boolean jj_3_13() {
    if (jj_scan_token(OPEN_SQUARE_BRACKET)) return true;
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3_10()) jj_scanpos = xsp;
    if (jj_scan_token(CLOSE_SQUARE_BRACKET)) return true;
    return false;
  }

  private boolean jj_3_22() {
    if (jj_scan_token(COMMA)) return true;
    if (jj_3R_19()) return true;
    return false;
  }

  private boolean jj_3R_24() {
    if (jj_scan_token(DECIMAL)) return true;
    return false;
  }

  private boolean jj_3_12() {
    if (jj_scan_token(EMPTY_BLANK_NODE)) return true;
    return false;
  }

  private boolean jj_3_11() {
    if (jj_3R_12()) return true;
    return false;
  }

  private boolean jj_3R_11() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3_11()) {
    jj_scanpos = xsp;
    if (jj_3_12()) {
    jj_scanpos = xsp;
    if (jj_3_13()) {
    jj_scanpos = xsp;
    if (jj_3_14()) return true;
    }
    }
    }
    return false;
  }

  private boolean jj_3R_23() {
    if (jj_scan_token(DOUBLE)) return true;
    return false;
  }

  private boolean jj_3R_13() {
    if (jj_scan_token(OPENPAR)) return true;
    if (jj_3R_28()) return true;
    if (jj_scan_token(CLOSEPAR)) return true;
    return false;
  }

  private boolean jj_3_15() {
    if (jj_scan_token(SEMICOLON)) return true;
    if (jj_3R_14()) return true;
    return false;
  }

  private boolean jj_3R_16() {
    if (jj_scan_token(FULLIRI)) return true;
    return false;
  }

  private boolean jj_3_18() {
    if (jj_3R_15()) return true;
    return false;
  }

  private boolean jj_3_8() {
    if (jj_3R_11()) return true;
    return false;
  }

  private boolean jj_3_37() {
    if (jj_scan_token(DIGIT)) return true;
    return false;
  }

  private boolean jj_3_23() {
    if (jj_3R_10()) return true;
    return false;
  }

  private boolean jj_3_24() {
    if (jj_3R_11()) return true;
    return false;
  }

  private boolean jj_3R_17() {
    if (jj_scan_token(PNAME_LN)) return true;
    return false;
  }

  private boolean jj_3_26() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3_23()) {
    jj_scanpos = xsp;
    if (jj_3_24()) return true;
    }
    return false;
  }

  private boolean jj_3_6() {
    if (jj_3R_9()) return true;
    return false;
  }

  private boolean jj_3_25() {
    if (jj_3R_20()) return true;
    return false;
  }

  private boolean jj_3R_22() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3_36()) {
    jj_scanpos = xsp;
    if (jj_3_37()) return true;
    }
    return false;
  }

  private boolean jj_3R_19() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3_25()) {
    jj_scanpos = xsp;
    if (jj_3_26()) return true;
    }
    return false;
  }

  private boolean jj_3_36() {
    if (jj_scan_token(INTEGER)) return true;
    return false;
  }

  private boolean jj_3_28() {
    if (jj_scan_token(DOUBLE_CARET)) return true;
    if (jj_3R_10()) return true;
    return false;
  }

  private boolean jj_3_30() {
    Token xsp;
    xsp = jj_scanpos;
    if (jj_3_28()) {
    jj_scanpos = xsp;
    if (jj_3_29()) return true;
    }
    return false;
  }

  private boolean jj_3_20() {
    if (jj_3R_17()) return true;
    return false;
  }

  /** Generated Token Manager. */
  public TurtleParserTokenManager token_source;
  JavaCharStream jj_input_stream;
  /** Current token. */
  public Token token;
  /** Next token. */
  public Token jj_nt;
  private int jj_ntk;
  private Token jj_scanpos, jj_lastpos;
  private int jj_la;
  private int jj_gen;
  final private int[] jj_la1 = new int[0];
  static private int[] jj_la1_0;
  static private int[] jj_la1_1;
  static {
      jj_la1_init_0();
      jj_la1_init_1();
   }
   private static void jj_la1_init_0() {
      jj_la1_0 = new int[] {};
   }
   private static void jj_la1_init_1() {
      jj_la1_1 = new int[] {};
   }
  final private JJCalls[] jj_2_rtns = new JJCalls[43];
  private boolean jj_rescan = false;
  private int jj_gc = 0;

  /** Constructor with InputStream. */
  public TurtleParser(java.io.InputStream stream) {
     this(stream, null);
  }
  /** Constructor with InputStream and supplied encoding */
  public TurtleParser(java.io.InputStream stream, String encoding) {
    try { jj_input_stream = new JavaCharStream(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
    token_source = new TurtleParserTokenManager(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 0; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  /** Reinitialise. */
  public void ReInit(java.io.InputStream stream) {
     ReInit(stream, null);
  }
  /** Reinitialise. */
  public void ReInit(java.io.InputStream stream, String encoding) {
    try { jj_input_stream.ReInit(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
    token_source.ReInit(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 0; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  /** Constructor. */
  public TurtleParser(java.io.Reader stream) {
    jj_input_stream = new JavaCharStream(stream, 1, 1);
    token_source = new TurtleParserTokenManager(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 0; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  /** Reinitialise. */
  public void ReInit(java.io.Reader stream) {
    jj_input_stream.ReInit(stream, 1, 1);
    token_source.ReInit(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 0; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  /** Constructor with generated Token Manager. */
  public TurtleParser(TurtleParserTokenManager tm) {
    token_source = tm;
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 0; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  /** Reinitialise. */
  public void ReInit(TurtleParserTokenManager tm) {
    token_source = tm;
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 0; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  private Token jj_consume_token(int kind) throws ParseException {
    Token oldToken;
    if ((oldToken = token).next != null) token = token.next;
    else token = token.next = token_source.getNextToken();
    jj_ntk = -1;
    if (token.kind == kind) {
      jj_gen++;
      if (++jj_gc > 100) {
        jj_gc = 0;
        for (int i = 0; i < jj_2_rtns.length; i++) {
          JJCalls c = jj_2_rtns[i];
          while (c != null) {
            if (c.gen < jj_gen) c.first = null;
            c = c.next;
          }
        }
      }
      return token;
    }
    token = oldToken;
    jj_kind = kind;
    throw generateParseException();
  }

  static private final class LookaheadSuccess extends java.lang.Error { }
  final private LookaheadSuccess jj_ls = new LookaheadSuccess();
  private boolean jj_scan_token(int kind) {
    if (jj_scanpos == jj_lastpos) {
      jj_la--;
      if (jj_scanpos.next == null) {
        jj_lastpos = jj_scanpos = jj_scanpos.next = token_source.getNextToken();
      } else {
        jj_lastpos = jj_scanpos = jj_scanpos.next;
      }
    } else {
      jj_scanpos = jj_scanpos.next;
    }
    if (jj_rescan) {
      int i = 0; Token tok = token;
      while (tok != null && tok != jj_scanpos) { i++; tok = tok.next; }
      if (tok != null) jj_add_error_token(kind, i);
    }
    if (jj_scanpos.kind != kind) return true;
    if (jj_la == 0 && jj_scanpos == jj_lastpos) throw jj_ls;
    return false;
  }


/** Get the next Token. */
  final public Token getNextToken() {
    if (token.next != null) token = token.next;
    else token = token.next = token_source.getNextToken();
    jj_ntk = -1;
    jj_gen++;
    return token;
  }

/** Get the specific Token. */
  final public Token getToken(int index) {
    Token t = token;
    for (int i = 0; i < index; i++) {
      if (t.next != null) t = t.next;
      else t = t.next = token_source.getNextToken();
    }
    return t;
  }

  private int jj_ntk() {
    if ((jj_nt=token.next) == null)
      return (jj_ntk = (token.next=token_source.getNextToken()).kind);
    else
      return (jj_ntk = jj_nt.kind);
  }

  private java.util.List jj_expentries = new java.util.ArrayList();
  private int[] jj_expentry;
  private int jj_kind = -1;
  private int[] jj_lasttokens = new int[100];
  private int jj_endpos;

  private void jj_add_error_token(int kind, int pos) {
    if (pos >= 100) return;
    if (pos == jj_endpos + 1) {
      jj_lasttokens[jj_endpos++] = kind;
    } else if (jj_endpos != 0) {
      jj_expentry = new int[jj_endpos];
      for (int i = 0; i < jj_endpos; i++) {
        jj_expentry[i] = jj_lasttokens[i];
      }
      jj_entries_loop: for (java.util.Iterator it = jj_expentries.iterator(); it.hasNext();) {
        int[] oldentry = (int[])(it.next());
        if (oldentry.length == jj_expentry.length) {
          for (int i = 0; i < jj_expentry.length; i++) {
            if (oldentry[i] != jj_expentry[i]) {
              continue jj_entries_loop;
            }
          }
          jj_expentries.add(jj_expentry);
          break jj_entries_loop;
        }
      }
      if (pos != 0) jj_lasttokens[(jj_endpos = pos) - 1] = kind;
    }
  }

  /** Generate ParseException. */
  public ParseException generateParseException() {
    jj_expentries.clear();
    boolean[] la1tokens = new boolean[57];
    if (jj_kind >= 0) {
      la1tokens[jj_kind] = true;
      jj_kind = -1;
    }
    for (int i = 0; i < 0; i++) {
      if (jj_la1[i] == jj_gen) {
        for (int j = 0; j < 32; j++) {
          if ((jj_la1_0[i] & (1< jj_gen) {
          jj_la = p.arg; jj_lastpos = jj_scanpos = p.first;
          switch (i) {
            case 0: jj_3_1(); break;
            case 1: jj_3_2(); break;
            case 2: jj_3_3(); break;
            case 3: jj_3_4(); break;
            case 4: jj_3_5(); break;
            case 5: jj_3_6(); break;
            case 6: jj_3_7(); break;
            case 7: jj_3_8(); break;
            case 8: jj_3_9(); break;
            case 9: jj_3_10(); break;
            case 10: jj_3_11(); break;
            case 11: jj_3_12(); break;
            case 12: jj_3_13(); break;
            case 13: jj_3_14(); break;
            case 14: jj_3_15(); break;
            case 15: jj_3_16(); break;
            case 16: jj_3_17(); break;
            case 17: jj_3_18(); break;
            case 18: jj_3_19(); break;
            case 19: jj_3_20(); break;
            case 20: jj_3_21(); break;
            case 21: jj_3_22(); break;
            case 22: jj_3_23(); break;
            case 23: jj_3_24(); break;
            case 24: jj_3_25(); break;
            case 25: jj_3_26(); break;
            case 26: jj_3_27(); break;
            case 27: jj_3_28(); break;
            case 28: jj_3_29(); break;
            case 29: jj_3_30(); break;
            case 30: jj_3_31(); break;
            case 31: jj_3_32(); break;
            case 32: jj_3_33(); break;
            case 33: jj_3_34(); break;
            case 34: jj_3_35(); break;
            case 35: jj_3_36(); break;
            case 36: jj_3_37(); break;
            case 37: jj_3_38(); break;
            case 38: jj_3_39(); break;
            case 39: jj_3_40(); break;
            case 40: jj_3_41(); break;
            case 41: jj_3_42(); break;
            case 42: jj_3_43(); break;
          }
        }
        p = p.next;
      } while (p != null);
      } catch(LookaheadSuccess ls) { }
    }
    jj_rescan = false;
  }

  private void jj_save(int index, int xla) {
    JJCalls p = jj_2_rtns[index];
    while (p.gen > jj_gen) {
      if (p.next == null) { p = p.next = new JJCalls(); break; }
      p = p.next;
    }
    p.gen = jj_gen + xla - jj_la; p.first = token; p.arg = xla;
  }

  static final class JJCalls {
    int gen;
    Token first;
    int arg;
    JJCalls next;
  }

}




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