Skip to main content
summaryrefslogtreecommitdiffstats
blob: 87562b624daac45ece639ec23d9429c48daa7417 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
/**
 * Copyright 2004 The Apache Software Foundation
 *
 * 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.
 *
 *     Copyright (c) 2003, 2010 IBM Corp.
 *     All rights reserved.
 *
 * Contributors:
 *     Apache Software Foundation - Initial contribution
 *     Konrad Kolosowski, IBM - skipping XML decl, merging meta keywords
 *       content with main text, encoding read and write to piped stream,
 *       returning summary if starts with title.
 *     Curtis d'Entremont, IBM - added missing serialVersionUIDs, removed
 *       unused imports, labels, variables, methods from javacc *generated*
 *       code, strip title off summary.
 *     Chris Goldthorpe, IBM - Bugs 223860, 210991, 246095, 245411, 269380, 266649

/* Generated By:JavaCC: Do not edit this line. HTMLParser.java */

package org.apache.lucene.demo.html;

import java.io.*;
import java.util.Properties;

import org.eclipse.help.internal.search.LimitedSizeCharArrayWriter;

public class HTMLParser implements HTMLParserConstants {
  public static int SUMMARY_LENGTH = 175;

  StringBuffer title = new StringBuffer();
  StringBuffer summary = new StringBuffer();
  Properties metaTags=new Properties();
  String currentMetaTag=null;
  String currentMetaContent=null;
  int length = 0;
  boolean titleComplete = false;
  boolean inTitle = false;
  boolean inHeading = false;
  boolean inMetaTag = false;
  boolean inIgnoredTag = true;
  boolean afterTag = false;
  boolean afterSpace = false;
  String eol = System.getProperty("line.separator"); //$NON-NLS-1$
  private LimitedSizeCharArrayWriter writer = new LimitedSizeCharArrayWriter(1000000);
  private Exception exception = null;

  /**
   * @deprecated Use HTMLParser(FileInputStream) instead
   */
  @Deprecated
public HTMLParser(File file) throws FileNotFoundException {
    this(new FileInputStream(file));
  }

  public String getTitle() throws IOException, InterruptedException {                              // spawn parsing thread
    return title.toString().trim();
  }

  public Properties getMetaTags() throws IOException,
InterruptedException {
    return metaTags;
  }


  public String getSummary() throws IOException, InterruptedException {                              // spawn parsing thread
    String metaDescription = metaTags.getProperty("description"); //$NON-NLS-1$
    if (metaDescription != null) {
    	if (metaDescription.length() > SUMMARY_LENGTH) {
    		return metaDescription.substring(0, SUMMARY_LENGTH - 1);
    	} else if (metaDescription.length() > 0) {
    		return metaDescription;
    	}
    }
    return summary.toString().trim();
  }

  public Reader getReader() throws IOException {
	  return new CharArrayReader(writer.toCharArray());
  }

  public void parse() throws IOException {
	try { // parse document to pipeOut
		HTMLDocument();
	} catch (Exception e) {
		setException(e);
	}
  }

  void addToSummary(String text) {
    if (summary.length() < SUMMARY_LENGTH) {
      summary.append(text);
      // avoid repeating title in summary
      if (summary.length() == title.length() && summary.toString().equals(title.toString())) {
        summary.setLength(0);
      }
      // truncate with "..." if too long
      if (summary.length() >= SUMMARY_LENGTH) {
        summary.setLength(SUMMARY_LENGTH - 3);
        summary.append("..."); //$NON-NLS-1$
        synchronized(this) {
          notifyAll();
        }
      }
    }
  }

  void addText(String text) throws IOException {
    if (inIgnoredTag)
      return;
    if (inTitle)
      title.append(text);
    else {
      // don't repeat first heading in summary
      if (!inHeading || summary.length() > 0) {
        addToSummary(text);
      }
      if (!titleComplete && !title.equals("")) {  // finished title //$NON-NLS-1$
        synchronized(this) {
          titleComplete = true;                   // tell waiting threads
          notifyAll();
        }
      }
    }

    length += text.length();
    writer.write(text);

    afterSpace = false;
  }

  void addMetaTag() throws IOException {
      metaTags.setProperty(currentMetaTag, currentMetaContent);
      if (currentMetaTag.equalsIgnoreCase("keywords") ||  //$NON-NLS-1$
    	  currentMetaTag.equalsIgnoreCase("description")) { //$NON-NLS-1$
    	  writer.write(' ');
          writer.write(currentMetaContent);
    	  writer.write(' ');
      }
      currentMetaTag = null;
      currentMetaContent = null;
      return;
  }

  void addSpace() throws IOException {
    if (!afterSpace) {
      if (inTitle)
        title.append(" "); //$NON-NLS-1$
      else if (summary.length() > 0)
        addToSummary(" "); //$NON-NLS-1$

      String space = afterTag ? eol : " "; //$NON-NLS-1$
      length += space.length();
      writer.write(space);
      afterSpace = true;
    }
  }

  final public void HTMLDocument() throws ParseException, IOException {
  Token t;
    label_1:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case ScriptStart:
      case TagName:
      case DeclName:
      case Comment1:
      case Comment2:
      case Word:
      case Space:
      case Entity:
      case Punct:
        ;
        break;
      default:
        jj_la1[0] = jj_gen;
        break label_1;
      }
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case TagName:
        Tag();
                      afterTag = true;
        break;
      case DeclName:
        t = Decl();
                      afterTag = true;
        break;
      case Comment1:
      case Comment2:
        CommentTag();
                      afterTag = true;
        break;
      case ScriptStart:
        ScriptTag();
                     afterTag = true;
        break;
      case Word:
        t = jj_consume_token(Word);
                      addText(t.image); afterTag = false;
        break;
      case Entity:
        t = jj_consume_token(Entity);
                      addText(Entities.decode(t.image)); afterTag = false;
        break;
      case Punct:
        t = jj_consume_token(Punct);
                      addText(t.image); afterTag = false;
        break;
      case Space:
        jj_consume_token(Space);
                      addSpace(); afterTag = false;
        break;
      default:
        jj_la1[1] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
    }
    jj_consume_token(0);
  }

  final public void Tag() throws ParseException, IOException {
  Token t1, t2;
  boolean inImg = false;
    t1 = jj_consume_token(TagName);
   String tagName = t1.image.toLowerCase();
   if(Tags.WS_ELEMS.contains(tagName) ) {
      addSpace();
    }
    inTitle = tagName.equals("<title"); // keep track if in <title> //$NON-NLS-1$
    inHeading = tagName.startsWith("<h") && tagName.length() == 3 && Character.isDigit(tagName.charAt(2)); // keep track if in <h#> (heading) //$NON-NLS-1$
    inMetaTag = tagName.equals("<meta"); // keep track if in <meta> //$NON-NLS-1$
    inIgnoredTag = tagName.equals("<style") || tagName.equals("<script"); // ignore these tags //$NON-NLS-1$ //$NON-NLS-2$
    inImg = tagName.equals("<img");       // keep track if in <img> //$NON-NLS-1$

    label_2:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case ArgName:
        ;
        break;
      default:
        jj_la1[2] = jj_gen;
        break label_2;
      }
      t1 = jj_consume_token(ArgName);
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case ArgEquals:
        jj_consume_token(ArgEquals);
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case ArgValue:
        case ArgQuote1:
        case ArgQuote2:
          t2 = ArgValue();
       if (inImg && t1.image.equalsIgnoreCase("alt") && t2 != null) //$NON-NLS-1$
         addText("[" + t2.image + "]"); //$NON-NLS-1$ //$NON-NLS-2$

        if(inMetaTag &&
                        (  t1.image.equalsIgnoreCase("name") || //$NON-NLS-1$
                           t1.image.equalsIgnoreCase("HTTP-EQUIV") //$NON-NLS-1$
                        )
           && t2 != null)
        {
                currentMetaTag=t2.image.toLowerCase();
                if(currentMetaTag != null && currentMetaContent != null) {
                addMetaTag();
                }
        }
        if(inMetaTag && t1.image.equalsIgnoreCase("content") && t2 != //$NON-NLS-1$
null)
        {
                currentMetaContent=t2.image;
                if(currentMetaTag != null && currentMetaContent != null) {
                addMetaTag();
                }
        }
          break;
        default:
          jj_la1[3] = jj_gen;
          ;
        }
        break;
      default:
        jj_la1[4] = jj_gen;
        ;
      }
    }
    jj_consume_token(TagEnd);
  }

  final public Token ArgValue() throws ParseException {
  Token t = null;
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case ArgValue:
      t = jj_consume_token(ArgValue);
      return t;
    default:
      jj_la1[5] = jj_gen;
      if (jj_2_1(2)) {
        jj_consume_token(ArgQuote1);
        jj_consume_token(CloseQuote1);
        return t;
      } else {
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case ArgQuote1:
          jj_consume_token(ArgQuote1);
          t = jj_consume_token(Quote1Text);
          jj_consume_token(CloseQuote1);
          return t;
        default:
          jj_la1[6] = jj_gen;
          if (jj_2_2(2)) {
            jj_consume_token(ArgQuote2);
            jj_consume_token(CloseQuote2);
            return t;
          } else {
            switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
            case ArgQuote2:
              jj_consume_token(ArgQuote2);
              t = jj_consume_token(Quote2Text);
              jj_consume_token(CloseQuote2);
              return t;
            default:
              jj_la1[7] = jj_gen;
              jj_consume_token(-1);
              throw new ParseException();
            }
          }
        }
      }
    }
    //throw new Error("Missing return statement in function"); //$NON-NLS-1$
  }

  final public Token Decl() throws ParseException {
  Token t;
    t = jj_consume_token(DeclName);
    label_3:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case ArgName:
      case ArgEquals:
      case ArgValue:
      case ArgQuote1:
      case ArgQuote2:
        ;
        break;
      default:
        jj_la1[8] = jj_gen;
        break label_3;
      }
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case ArgName:
        jj_consume_token(ArgName);
        break;
      case ArgValue:
      case ArgQuote1:
      case ArgQuote2:
        ArgValue();
        break;
      case ArgEquals:
        jj_consume_token(ArgEquals);
        break;
      default:
        jj_la1[9] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
    }
    jj_consume_token(TagEnd);
    return t;
    //throw new Error("Missing return statement in function"); //$NON-NLS-1$
  }

  final public void CommentTag() throws ParseException {
    switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
    case Comment1:
      jj_consume_token(Comment1);
      label_4:
      while (true) {
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case CommentText1:
          ;
          break;
        default:
          jj_la1[10] = jj_gen;
          break label_4;
        }
        jj_consume_token(CommentText1);
      }
      jj_consume_token(CommentEnd1);
      break;
    case Comment2:
      jj_consume_token(Comment2);
      label_5:
      while (true) {
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case CommentText2:
          ;
          break;
        default:
          jj_la1[11] = jj_gen;
          break label_5;
        }
        jj_consume_token(CommentText2);
      }
      jj_consume_token(CommentEnd2);
      break;
    default:
      jj_la1[12] = jj_gen;
      jj_consume_token(-1);
      throw new ParseException();
    }
  }

  final public void ScriptTag() throws ParseException {
    jj_consume_token(ScriptStart);
    label_6:
    while (true) {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case ScriptText:
        ;
        break;
      default:
        jj_la1[13] = jj_gen;
        break label_6;
      }
      jj_consume_token(ScriptText);
    }
    jj_consume_token(ScriptEnd);
  }

  final 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); }
  }

  final 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); }
  }

  final private boolean jj_3_2() {
    if (jj_scan_token(ArgQuote2)) return true;
    if (jj_scan_token(CloseQuote2)) return true;
    return false;
  }

  final private boolean jj_3_1() {
    if (jj_scan_token(ArgQuote1)) return true;
    if (jj_scan_token(CloseQuote1)) return true;
    return false;
  }

  public HTMLParserTokenManager token_source;
  SimpleCharStream jj_input_stream;
  public Token token, jj_nt;
  private int jj_ntk;
  private Token jj_scanpos, jj_lastpos;
  private int jj_la;
  public boolean lookingAhead = false;
  private int jj_gen;
  final private int[] jj_la1 = new int[14];
  static private int[] jj_la1_0;
  static {
      jj_la1_0();
   }
   private static void jj_la1_0() {
      jj_la1_0 = new int[] {0x347e,0x347e,0x10000,0x380000,0x20000,0x80000,0x100000,0x200000,0x3b0000,0x3b0000,0x8000000,0x20000000,0x30,0x4000,};
   }
  final private JJCalls[] jj_2_rtns = new JJCalls[2];
  private boolean jj_rescan = false;
  private int jj_gc = 0;

  public HTMLParser(java.io.InputStream stream) {
     this(stream, null);
  }
  public HTMLParser(java.io.InputStream stream, String encoding) {
    try { jj_input_stream = new SimpleCharStream(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
    token_source = new HTMLParserTokenManager(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 14; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  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 < 14; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  public HTMLParser(java.io.Reader stream) {
    jj_input_stream = new SimpleCharStream(stream, 1, 1);
    token_source = new HTMLParserTokenManager(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 14; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  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 < 14; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  public HTMLParser(HTMLParserTokenManager tm) {
    token_source = tm;
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 14; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  public void ReInit(HTMLParserTokenManager tm) {
    token_source = tm;
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 14; i++) jj_la1[i] = -1;
    for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
  }

  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++;
      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 {
	  private static final long serialVersionUID = 1L;
  }
  final private LookaheadSuccess jj_ls = new LookaheadSuccess();
  final 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;
  }

  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 = lookingAhead ? jj_scanpos : 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<int[]> jj_expentries = new java.util.Vector<int[]>();
  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];
      }
      boolean exists = false;
      for (java.util.Enumeration<int[]> e = jj_expentries.elements(); e.hasMoreElements();) {
        int[] oldentry = e.nextElement();
        if (oldentry.length == jj_expentry.length) {
          exists = true;
          for (int i = 0; i < jj_expentry.length; i++) {
            if (oldentry[i] != jj_expentry[i]) {
              exists = false;
              break;
            }
          }
          if (exists) break;
        }
      }
      if (!exists) jj_expentries.addElement(jj_expentry);
      if (pos != 0) jj_lasttokens[(jj_endpos = pos) - 1] = kind;
    }
  }

  public ParseException generateParseException() {
    jj_expentries.removeAllElements();
    boolean[] la1tokens = new boolean[31];
    for (int i = 0; i < 31; i++) {
      la1tokens[i] = false;
    }
    if (jj_kind >= 0) {
      la1tokens[jj_kind] = true;
      jj_kind = -1;
    }
    for (int i = 0; i < 14; 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;
          }
        }
      }
    }
    for (int i = 0; i < 31; i++) {
      if (la1tokens[i]) {
        jj_expentry = new int[1];
        jj_expentry[0] = i;
        jj_expentries.addElement(jj_expentry);
      }
    }
    jj_endpos = 0;
    jj_rescan_token();
    jj_add_error_token(0, 0);
    int[][] exptokseq = new int[jj_expentries.size()][];
    for (int i = 0; i < jj_expentries.size(); i++) {
      exptokseq[i] = jj_expentries.elementAt(i);
    }
    return new ParseException(token, exptokseq, tokenImage);
  }

  final public void enable_tracing() {
  }

  final public void disable_tracing() {
  }

  final private void jj_rescan_token() {
    jj_rescan = true;
    for (int i = 0; i < 2; i++) {
    try {
      JJCalls p = jj_2_rtns[i];
      do {
        if (p.gen > 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;
          }
        }
        p = p.next;
      } while (p != null);
      } catch(LookaheadSuccess ls) { }
    }
    jj_rescan = false;
  }

  final 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;
  }

  public void setException(Exception exception) {
	this.exception = exception;
  }

  public Exception getException() {
	return exception;
  }

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

}

Back to the top