turtleparser.java

jena2.5.4推理机系统的一种最基本实现 HP实验室出品

      case IRIref:
      case PNAME_NS:
      case PNAME_LN:
      case BLANK_NODE_LABEL:
      case VAR:
      case LPAREN:
      case NIL:
      case LBRACE:
      case LBRACKET:
      case ANON:
        TriplesSameSubject();
        break;
      default:
        jj_la1[14] = jj_gen;
        ;
      }
    }
    t = jj_consume_token(RBRACE);
                   endFormula(t.beginLine, t.beginColumn) ;
        {if (true) return null ;}
    throw new Error("Missing return statement in function");
  }

// >>>>> SPARQL extract
  final public Node Var() throws ParseException {
               Token t ;
    t = jj_consume_token(VAR);
      {if (true) return createVariable(t.image, t.beginLine, t.beginColumn) ;}
    throw new Error("Missing return statement in function");
  }

  final public Node GraphTerm() throws ParseException {
                     Node n ; String iri ;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case IRIref:
    case PNAME_NS:
    case PNAME_LN:
      iri = IRIref();
                      {if (true) return createNode(iri) ;}
      break;
    case STRING_LITERAL1:
    case STRING_LITERAL2:
    case STRING_LITERAL_LONG1:
    case STRING_LITERAL_LONG2:
      n = RDFLiteral();
                          {if (true) return n ;}
      break;
    case INTEGER:
    case DECIMAL:
    case DOUBLE:
      // Cleaner sign handling in Turtle.
        n = NumericLiteral();
                          {if (true) return n ;}
      break;
    case BLANK_NODE_LABEL:
    case ANON:
      n = BlankNode();
                          {if (true) return n ;}
      break;
    case NIL:
      jj_consume_token(NIL);
           {if (true) return nRDFnil ;}
      break;
    default:
      jj_la1[15] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
  }

// ---- Basic terms
  final public Node NumericLiteral() throws ParseException {
                          Token t ;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case INTEGER:
      t = jj_consume_token(INTEGER);
                  {if (true) return createLiteralInteger(t.image) ;}
      break;
    case DECIMAL:
      t = jj_consume_token(DECIMAL);
                  {if (true) return createLiteralDecimal(t.image) ;}
      break;
    case DOUBLE:
      t = jj_consume_token(DOUBLE);
                 {if (true) return createLiteralDouble(t.image) ;}
      break;
    default:
      jj_la1[16] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
  }

// >>>>> SPARQL extract
// Langtag oddity.
  final public Node RDFLiteral() throws ParseException {
                      Token t ; String lex = null ;
    lex = String();
    String lang = null ; String dt = null ;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case PREFIX:
    case LANGTAG:
    case DATATYPE:
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case PREFIX:
      case LANGTAG:
        lang = Langtag();
        break;
      case DATATYPE:
        jj_consume_token(DATATYPE);
        dt = IRIref();
        break;
      default:
        jj_la1[17] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
      break;
    default:
      jj_la1[18] = jj_gen;
      ;
    }
      {if (true) return createLiteral(lex, lang, dt) ;}
    throw new Error("Missing return statement in function");
  }

  final public String Langtag() throws ParseException {
                     Token t ;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case LANGTAG:
      t = jj_consume_token(LANGTAG);
      break;
    case PREFIX:
      t = jj_consume_token(PREFIX);
      break;
    default:
      jj_la1[19] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    String lang = stripChars(t.image, 1) ; {if (true) return lang ;}
    throw new Error("Missing return statement in function");
  }

// >>>>> SPARQL extract
// Node BooleanLiteral() : {}
// {
//   <TRUE> { return XSD_TRUE ; }
//  |
//   <FALSE> { return XSD_FALSE ; }
// }

// <<<<< SPARQL extract
  final public String String() throws ParseException {
                    Token t ;  String lex ;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case STRING_LITERAL1:
      t = jj_consume_token(STRING_LITERAL1);
                            lex = stripQuotes(t.image) ;
      break;
    case STRING_LITERAL2:
      t = jj_consume_token(STRING_LITERAL2);
                            lex = stripQuotes(t.image) ;
      break;
    case STRING_LITERAL_LONG1:
      t = jj_consume_token(STRING_LITERAL_LONG1);
                                 lex = stripQuotes3(t.image) ;
      break;
    case STRING_LITERAL_LONG2:
      t = jj_consume_token(STRING_LITERAL_LONG2);
                                 lex = stripQuotes3(t.image) ;
      break;
    default:
      jj_la1[20] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
      lex = unescapeStr(lex,  t.beginLine, t.beginColumn) ;
      {if (true) return lex ;}
    throw new Error("Missing return statement in function");
  }

  final public String IRIref() throws ParseException {
                    String iri ;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case IRIref:
      iri = IRI_REF();
                    {if (true) return iri ;}
      break;
    case PNAME_NS:
    case PNAME_LN:
      iri = PrefixedName();
                         {if (true) return iri ;}
      break;
    default:
      jj_la1[21] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
  }

  final public String PrefixedName() throws ParseException {
                          Token t ;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case PNAME_LN:
      t = jj_consume_token(PNAME_LN);
      {if (true) return resolvePName(t.image, t.beginLine, t.beginColumn) ;}
      break;
    case PNAME_NS:
      t = jj_consume_token(PNAME_NS);
      {if (true) return resolvePName(t.image, t.beginLine, t.beginColumn) ;}
      break;
    default:
      jj_la1[22] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
  }

  final public Node BlankNode() throws ParseException {
                      Token t = null ;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case BLANK_NODE_LABEL:
      t = jj_consume_token(BLANK_NODE_LABEL);
      {if (true) return createBNode(t.image, t.beginLine, t.beginColumn) ;}
      break;
    case ANON:
      jj_consume_token(ANON);
           {if (true) return createBNode() ;}
      break;
    default:
      jj_la1[23] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
    throw new Error("Missing return statement in function");
  }

  final public String IRI_REF() throws ParseException {
                     Token t ;
    t = jj_consume_token(IRIref);
    {if (true) return resolveQuotedIRI(t.image, t.beginLine, t.beginColumn) ;}
    throw new Error("Missing return statement in function");
  }

  public TurtleParserTokenManager token_source;
  JavaCharStream jj_input_stream;
  public Token token, jj_nt;
  private int jj_ntk;
  private int jj_gen;
  final private int[] jj_la1 = new int[24];
  static private int[] jj_la1_0;
  static private int[] jj_la1_1;
  static private int[] jj_la1_2;
  static {
      jj_la1_0();
      jj_la1_1();
      jj_la1_2();
   }
   private static void jj_la1_0() {
      jj_la1_0 = new int[] {0xe787c000,0xe787c000,0xc000,0xe7870000,0xe0002000,0x0,0xe0002000,0x0,0xe0002000,0x0,0xe7870000,0xe7870000,0xe7870000,0x0,0xe7870000,0xe7870000,0x70000,0x4000,0x4000,0x4000,0x7800000,0xe0000000,0xc0000000,0x0,};
   }
   private static void jj_la1_1() {
      jj_la1_1 = new int[] {0x15a3,0x15a3,0x0,0x15a3,0x20000,0x2000,0x20000,0x4000,0x20000,0x420,0x15a3,0x15a3,0x1183,0x8000,0x15a3,0x1081,0x0,0x2000004,0x2000004,0x4,0x0,0x0,0x0,0x1001,};
   }
   private static void jj_la1_2() {
      jj_la1_2 = new int[] {0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,0x0,};
   }

  public TurtleParser(java.io.InputStream stream) {
     this(stream, null);
  }
  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 < 24; i++) jj_la1[i] = -1;
  }

  public void ReInit(java.io.InputStream stream) {
     ReInit(stream, null);
  }
  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 < 24; i++) jj_la1[i] = -1;
  }

  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 < 24; i++) jj_la1[i] = -1;
  }

  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 < 24; i++) jj_la1[i] = -1;
  }

  public TurtleParser(TurtleParserTokenManager tm) {
    token_source = tm;
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 24; i++) jj_la1[i] = -1;
  }

  public void ReInit(TurtleParserTokenManager tm) {
    token_source = tm;
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 24; i++) jj_la1[i] = -1;
  }

  final 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++;
      return token;
    }
    token = oldToken;
    jj_kind = kind;
    throw generateParseException();
  }

  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;
  }

  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;
  }

  final 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.Vector jj_expentries = new java.util.Vector();
  private int[] jj_expentry;
  private int jj_kind = -1;

  public ParseException generateParseException() {
    jj_expentries.removeAllElements();
    boolean[] la1tokens = new boolean[66];
    for (int i = 0; i < 66; i++) {
      la1tokens[i] = false;
    }
    if (jj_kind >= 0) {
      la1tokens[jj_kind] = true;
      jj_kind = -1;
    }
    for (int i = 0; i < 24; i++) {
      if (jj_la1[i] == jj_gen) {
        for (int j = 0; j < 32; j++) {
          if ((jj_la1_0[i] & (1<<j)) != 0) {
            la1tokens[j] = true;
          }
          if ((jj_la1_1[i] & (1<<j)) != 0) {
            la1tokens[32+j] = true;
          }
          if ((jj_la1_2[i] & (1<<j)) != 0) {
            la1tokens[64+j] = true;
          }
        }
      }
    }
    for (int i = 0; i < 66; i++) {
      if (la1tokens[i]) {
        jj_expentry = new int[1];
        jj_expentry[0] = i;
        jj_expentries.addElement(jj_expentry);
      }
    }
    int[][] exptokseq = new int[jj_expentries.size()][];
    for (int i = 0; i < jj_expentries.size(); i++) {
      exptokseq[i] = (int[])jj_expentries.elementAt(i);
    }
    return new ParseException(token, exptokseq, tokenImage);
  }

  final public void enable_tracing() {
  }

  final public void disable_tracing() {
  }

}