This repository has been archived by the owner on Apr 10, 2024. It is now read-only.
/
Tokenizer.java
7037 lines (6657 loc) · 305 KB
/
Tokenizer.java
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
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
* Copyright (c) 2005-2007 Henri Sivonen
* Copyright (c) 2007-2010 Mozilla Foundation
* Portions of comments Copyright 2004-2010 Apple Computer, Inc., Mozilla
* Foundation, and Opera Software ASA.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
/*
* The comments following this one that use the same comment syntax as this
* comment are quotes from the WHATWG HTML 5 spec as of 2 June 2007
* amended as of June 18 2008 and May 31 2010.
* That document came with this statement:
* "© Copyright 2004-2010 Apple Computer, Inc., Mozilla Foundation, and
* Opera Software ASA. You are granted a license to use, reproduce and
* create derivative works of this document."
*/
package nu.validator.htmlparser.impl;
import nu.validator.htmlparser.annotation.Auto;
import nu.validator.htmlparser.annotation.CharacterName;
import nu.validator.htmlparser.annotation.Const;
import nu.validator.htmlparser.annotation.Inline;
import nu.validator.htmlparser.annotation.Local;
import nu.validator.htmlparser.annotation.NoLength;
import nu.validator.htmlparser.common.EncodingDeclarationHandler;
import nu.validator.htmlparser.common.Interner;
import nu.validator.htmlparser.common.TokenHandler;
import nu.validator.htmlparser.common.XmlViolationPolicy;
import org.xml.sax.ErrorHandler;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
/**
* An implementation of
* http://www.whatwg.org/specs/web-apps/current-work/multipage/tokenization.html
*
* This class implements the <code>Locator</code> interface. This is not an
* incidental implementation detail: Users of this class are encouraged to make
* use of the <code>Locator</code> nature.
*
* By default, the tokenizer may report data that XML 1.0 bans. The tokenizer
* can be configured to treat these conditions as fatal or to coerce the infoset
* to something that XML 1.0 allows.
*
* @version $Id$
* @author hsivonen
*/
public class Tokenizer implements Locator {
private static final int DATA_AND_RCDATA_MASK = ~1;
public static final int DATA = 0;
public static final int RCDATA = 1;
public static final int SCRIPT_DATA = 2;
public static final int RAWTEXT = 3;
public static final int SCRIPT_DATA_ESCAPED = 4;
public static final int ATTRIBUTE_VALUE_DOUBLE_QUOTED = 5;
public static final int ATTRIBUTE_VALUE_SINGLE_QUOTED = 6;
public static final int ATTRIBUTE_VALUE_UNQUOTED = 7;
public static final int PLAINTEXT = 8;
public static final int TAG_OPEN = 9;
public static final int CLOSE_TAG_OPEN = 10;
public static final int TAG_NAME = 11;
public static final int BEFORE_ATTRIBUTE_NAME = 12;
public static final int ATTRIBUTE_NAME = 13;
public static final int AFTER_ATTRIBUTE_NAME = 14;
public static final int BEFORE_ATTRIBUTE_VALUE = 15;
public static final int AFTER_ATTRIBUTE_VALUE_QUOTED = 16;
public static final int BOGUS_COMMENT = 17;
public static final int MARKUP_DECLARATION_OPEN = 18;
public static final int DOCTYPE = 19;
public static final int BEFORE_DOCTYPE_NAME = 20;
public static final int DOCTYPE_NAME = 21;
public static final int AFTER_DOCTYPE_NAME = 22;
public static final int BEFORE_DOCTYPE_PUBLIC_IDENTIFIER = 23;
public static final int DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED = 24;
public static final int DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED = 25;
public static final int AFTER_DOCTYPE_PUBLIC_IDENTIFIER = 26;
public static final int BEFORE_DOCTYPE_SYSTEM_IDENTIFIER = 27;
public static final int DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED = 28;
public static final int DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED = 29;
public static final int AFTER_DOCTYPE_SYSTEM_IDENTIFIER = 30;
public static final int BOGUS_DOCTYPE = 31;
public static final int COMMENT_START = 32;
public static final int COMMENT_START_DASH = 33;
public static final int COMMENT = 34;
public static final int COMMENT_END_DASH = 35;
public static final int COMMENT_END = 36;
public static final int COMMENT_END_BANG = 37;
public static final int NON_DATA_END_TAG_NAME = 38;
public static final int MARKUP_DECLARATION_HYPHEN = 39;
public static final int MARKUP_DECLARATION_OCTYPE = 40;
public static final int DOCTYPE_UBLIC = 41;
public static final int DOCTYPE_YSTEM = 42;
public static final int AFTER_DOCTYPE_PUBLIC_KEYWORD = 43;
public static final int BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS = 44;
public static final int AFTER_DOCTYPE_SYSTEM_KEYWORD = 45;
public static final int CONSUME_CHARACTER_REFERENCE = 46;
public static final int CONSUME_NCR = 47;
public static final int CHARACTER_REFERENCE_TAIL = 48;
public static final int HEX_NCR_LOOP = 49;
public static final int DECIMAL_NRC_LOOP = 50;
public static final int HANDLE_NCR_VALUE = 51;
public static final int HANDLE_NCR_VALUE_RECONSUME = 52;
public static final int CHARACTER_REFERENCE_HILO_LOOKUP = 53;
public static final int SELF_CLOSING_START_TAG = 54;
public static final int CDATA_START = 55;
public static final int CDATA_SECTION = 56;
public static final int CDATA_RSQB = 57;
public static final int CDATA_RSQB_RSQB = 58;
public static final int SCRIPT_DATA_LESS_THAN_SIGN = 59;
public static final int SCRIPT_DATA_ESCAPE_START = 60;
public static final int SCRIPT_DATA_ESCAPE_START_DASH = 61;
public static final int SCRIPT_DATA_ESCAPED_DASH = 62;
public static final int SCRIPT_DATA_ESCAPED_DASH_DASH = 63;
public static final int BOGUS_COMMENT_HYPHEN = 64;
public static final int RAWTEXT_RCDATA_LESS_THAN_SIGN = 65;
public static final int SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN = 66;
public static final int SCRIPT_DATA_DOUBLE_ESCAPE_START = 67;
public static final int SCRIPT_DATA_DOUBLE_ESCAPED = 68;
public static final int SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN = 69;
public static final int SCRIPT_DATA_DOUBLE_ESCAPED_DASH = 70;
public static final int SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH = 71;
public static final int SCRIPT_DATA_DOUBLE_ESCAPE_END = 72;
public static final int PROCESSING_INSTRUCTION = 73;
public static final int PROCESSING_INSTRUCTION_QUESTION_MARK = 74;
/**
* Magic value for UTF-16 operations.
*/
private static final int LEAD_OFFSET = (0xD800 - (0x10000 >> 10));
/**
* UTF-16 code unit array containing less than and greater than for emitting
* those characters on certain parse errors.
*/
private static final @NoLength char[] LT_GT = { '<', '>' };
/**
* UTF-16 code unit array containing less than and solidus for emitting
* those characters on certain parse errors.
*/
private static final @NoLength char[] LT_SOLIDUS = { '<', '/' };
/**
* UTF-16 code unit array containing ]] for emitting those characters on
* state transitions.
*/
private static final @NoLength char[] RSQB_RSQB = { ']', ']' };
/**
* Array version of U+FFFD.
*/
private static final @NoLength char[] REPLACEMENT_CHARACTER = { '\uFFFD' };
// [NOCPP[
/**
* Array version of space.
*/
private static final @NoLength char[] SPACE = { ' ' };
// ]NOCPP]
/**
* Array version of line feed.
*/
private static final @NoLength char[] LF = { '\n' };
/**
* Buffer growth parameter.
*/
private static final int BUFFER_GROW_BY = 1024;
/**
* "CDATA[" as <code>char[]</code>
*/
private static final @NoLength char[] CDATA_LSQB = { 'C', 'D', 'A', 'T',
'A', '[' };
/**
* "octype" as <code>char[]</code>
*/
private static final @NoLength char[] OCTYPE = { 'o', 'c', 't', 'y', 'p',
'e' };
/**
* "ublic" as <code>char[]</code>
*/
private static final @NoLength char[] UBLIC = { 'u', 'b', 'l', 'i', 'c' };
/**
* "ystem" as <code>char[]</code>
*/
private static final @NoLength char[] YSTEM = { 'y', 's', 't', 'e', 'm' };
private static final char[] TITLE_ARR = { 't', 'i', 't', 'l', 'e' };
private static final char[] SCRIPT_ARR = { 's', 'c', 'r', 'i', 'p', 't' };
private static final char[] STYLE_ARR = { 's', 't', 'y', 'l', 'e' };
private static final char[] PLAINTEXT_ARR = { 'p', 'l', 'a', 'i', 'n', 't',
'e', 'x', 't' };
private static final char[] XMP_ARR = { 'x', 'm', 'p' };
private static final char[] TEXTAREA_ARR = { 't', 'e', 'x', 't', 'a', 'r',
'e', 'a' };
private static final char[] IFRAME_ARR = { 'i', 'f', 'r', 'a', 'm', 'e' };
private static final char[] NOEMBED_ARR = { 'n', 'o', 'e', 'm', 'b', 'e',
'd' };
private static final char[] NOSCRIPT_ARR = { 'n', 'o', 's', 'c', 'r', 'i',
'p', 't' };
private static final char[] NOFRAMES_ARR = { 'n', 'o', 'f', 'r', 'a', 'm',
'e', 's' };
/**
* The token handler.
*/
protected final TokenHandler tokenHandler;
protected EncodingDeclarationHandler encodingDeclarationHandler;
// [NOCPP[
/**
* The error handler.
*/
protected ErrorHandler errorHandler;
// ]NOCPP]
/**
* Whether the previous char read was CR.
*/
protected boolean lastCR;
protected int stateSave;
private int returnStateSave;
protected int index;
private boolean forceQuirks;
private char additional;
private int entCol;
private int firstCharKey;
private int lo;
private int hi;
private int candidate;
private int strBufMark;
private int prevValue;
protected int value;
private boolean seenDigits;
protected int cstart;
/**
* The SAX public id for the resource being tokenized. (Only passed to back
* as part of locator data.)
*/
private String publicId;
/**
* The SAX system id for the resource being tokenized. (Only passed to back
* as part of locator data.)
*/
private String systemId;
/**
* Buffer for short identifiers.
*/
private @Auto char[] strBuf;
/**
* Number of significant <code>char</code>s in <code>strBuf</code>.
*/
private int strBufLen;
/**
* <code>-1</code> to indicate that <code>strBuf</code> is used or otherwise
* an offset to the main buffer.
*/
// private int strBufOffset = -1;
/**
* Buffer for long strings.
*/
private @Auto char[] longStrBuf;
/**
* Number of significant <code>char</code>s in <code>longStrBuf</code>.
*/
private int longStrBufLen;
/**
* <code>-1</code> to indicate that <code>longStrBuf</code> is used or
* otherwise an offset to the main buffer.
*/
// private int longStrBufOffset = -1;
/**
* Buffer for expanding NCRs falling into the Basic Multilingual Plane.
*/
private final @Auto char[] bmpChar;
/**
* Buffer for expanding astral NCRs.
*/
private final @Auto char[] astralChar;
/**
* The element whose end tag closes the current CDATA or RCDATA element.
*/
protected ElementName endTagExpectation = null;
private char[] endTagExpectationAsArray; // not @Auto!
/**
* <code>true</code> if tokenizing an end tag
*/
protected boolean endTag;
/**
* The current tag token name.
*/
private ElementName tagName = null;
/**
* The current attribute name.
*/
protected AttributeName attributeName = null;
// [NOCPP[
/**
* Whether comment tokens are emitted.
*/
private boolean wantsComments = false;
/**
* <code>true</code> when HTML4-specific additional errors are requested.
*/
protected boolean html4;
/**
* Whether the stream is past the first 512 bytes.
*/
private boolean metaBoundaryPassed;
// ]NOCPP]
/**
* The name of the current doctype token.
*/
private @Local String doctypeName;
/**
* The public id of the current doctype token.
*/
private String publicIdentifier;
/**
* The system id of the current doctype token.
*/
private String systemIdentifier;
/**
* The attribute holder.
*/
private HtmlAttributes attributes;
// [NOCPP[
/**
* The policy for vertical tab and form feed.
*/
private XmlViolationPolicy contentSpacePolicy = XmlViolationPolicy.ALTER_INFOSET;
/**
* The policy for comments.
*/
private XmlViolationPolicy commentPolicy = XmlViolationPolicy.ALTER_INFOSET;
private XmlViolationPolicy xmlnsPolicy = XmlViolationPolicy.ALTER_INFOSET;
private XmlViolationPolicy namePolicy = XmlViolationPolicy.ALTER_INFOSET;
private boolean html4ModeCompatibleWithXhtml1Schemata;
private final boolean newAttributesEachTime;
private int mappingLangToXmlLang;
// ]NOCPP]
private boolean shouldSuspend;
protected boolean confident;
private int line;
private Interner interner;
// CPPONLY: private boolean viewingXmlSource;
// [NOCPP[
protected LocatorImpl ampersandLocation;
public Tokenizer(TokenHandler tokenHandler, boolean newAttributesEachTime) {
this.tokenHandler = tokenHandler;
this.encodingDeclarationHandler = null;
this.newAttributesEachTime = newAttributesEachTime;
this.bmpChar = new char[1];
this.astralChar = new char[2];
this.tagName = null;
this.attributeName = null;
this.doctypeName = null;
this.publicIdentifier = null;
this.systemIdentifier = null;
this.attributes = null;
}
// ]NOCPP]
/**
* The constructor.
*
* @param tokenHandler
* the handler for receiving tokens
*/
public Tokenizer(TokenHandler tokenHandler
// CPPONLY: , boolean viewingXmlSource
) {
this.tokenHandler = tokenHandler;
this.encodingDeclarationHandler = null;
// [NOCPP[
this.newAttributesEachTime = false;
// ]NOCPP]
this.bmpChar = new char[1];
this.astralChar = new char[2];
this.tagName = null;
this.attributeName = null;
this.doctypeName = null;
this.publicIdentifier = null;
this.systemIdentifier = null;
this.attributes = null;
// CPPONLY: this.viewingXmlSource = viewingXmlSource;
}
public void setInterner(Interner interner) {
this.interner = interner;
}
public void initLocation(String newPublicId, String newSystemId) {
this.systemId = newSystemId;
this.publicId = newPublicId;
}
// CPPONLY: boolean isViewingXmlSource() {
// CPPONLY: return viewingXmlSource;
// CPPONLY: }
// [NOCPP[
/**
* Returns the mappingLangToXmlLang.
*
* @return the mappingLangToXmlLang
*/
public boolean isMappingLangToXmlLang() {
return mappingLangToXmlLang == AttributeName.HTML_LANG;
}
/**
* Sets the mappingLangToXmlLang.
*
* @param mappingLangToXmlLang
* the mappingLangToXmlLang to set
*/
public void setMappingLangToXmlLang(boolean mappingLangToXmlLang) {
this.mappingLangToXmlLang = mappingLangToXmlLang ? AttributeName.HTML_LANG
: AttributeName.HTML;
}
/**
* Sets the error handler.
*
* @see org.xml.sax.XMLReader#setErrorHandler(org.xml.sax.ErrorHandler)
*/
public void setErrorHandler(ErrorHandler eh) {
this.errorHandler = eh;
}
public ErrorHandler getErrorHandler() {
return this.errorHandler;
}
/**
* Sets the commentPolicy.
*
* @param commentPolicy
* the commentPolicy to set
*/
public void setCommentPolicy(XmlViolationPolicy commentPolicy) {
this.commentPolicy = commentPolicy;
}
/**
* Sets the contentNonXmlCharPolicy.
*
* @param contentNonXmlCharPolicy
* the contentNonXmlCharPolicy to set
*/
public void setContentNonXmlCharPolicy(
XmlViolationPolicy contentNonXmlCharPolicy) {
if (contentNonXmlCharPolicy != XmlViolationPolicy.ALLOW) {
throw new IllegalArgumentException(
"Must use ErrorReportingTokenizer to set contentNonXmlCharPolicy to non-ALLOW.");
}
}
/**
* Sets the contentSpacePolicy.
*
* @param contentSpacePolicy
* the contentSpacePolicy to set
*/
public void setContentSpacePolicy(XmlViolationPolicy contentSpacePolicy) {
this.contentSpacePolicy = contentSpacePolicy;
}
/**
* Sets the xmlnsPolicy.
*
* @param xmlnsPolicy
* the xmlnsPolicy to set
*/
public void setXmlnsPolicy(XmlViolationPolicy xmlnsPolicy) {
if (xmlnsPolicy == XmlViolationPolicy.FATAL) {
throw new IllegalArgumentException("Can't use FATAL here.");
}
this.xmlnsPolicy = xmlnsPolicy;
}
public void setNamePolicy(XmlViolationPolicy namePolicy) {
this.namePolicy = namePolicy;
}
/**
* Sets the html4ModeCompatibleWithXhtml1Schemata.
*
* @param html4ModeCompatibleWithXhtml1Schemata
* the html4ModeCompatibleWithXhtml1Schemata to set
*/
public void setHtml4ModeCompatibleWithXhtml1Schemata(
boolean html4ModeCompatibleWithXhtml1Schemata) {
this.html4ModeCompatibleWithXhtml1Schemata = html4ModeCompatibleWithXhtml1Schemata;
}
// ]NOCPP]
// For the token handler to call
/**
* Sets the tokenizer state and the associated element name. This should
* only ever used to put the tokenizer into one of the states that have
* a special end tag expectation.
*
* @param specialTokenizerState
* the tokenizer state to set
* @param endTagExpectation
* the expected end tag for transitioning back to normal
*/
public void setStateAndEndTagExpectation(int specialTokenizerState,
@Local String endTagExpectation) {
this.stateSave = specialTokenizerState;
if (specialTokenizerState == Tokenizer.DATA) {
return;
}
@Auto char[] asArray = Portability.newCharArrayFromLocal(endTagExpectation);
this.endTagExpectation = ElementName.elementNameByBuffer(asArray, 0,
asArray.length, interner);
endTagExpectationToArray();
}
/**
* Sets the tokenizer state and the associated element name. This should
* only ever used to put the tokenizer into one of the states that have
* a special end tag expectation.
*
* @param specialTokenizerState
* the tokenizer state to set
* @param endTagExpectation
* the expected end tag for transitioning back to normal
*/
public void setStateAndEndTagExpectation(int specialTokenizerState,
ElementName endTagExpectation) {
this.stateSave = specialTokenizerState;
this.endTagExpectation = endTagExpectation;
endTagExpectationToArray();
}
private void endTagExpectationToArray() {
switch (endTagExpectation.getGroup()) {
case TreeBuilder.TITLE:
endTagExpectationAsArray = TITLE_ARR;
return;
case TreeBuilder.SCRIPT:
endTagExpectationAsArray = SCRIPT_ARR;
return;
case TreeBuilder.STYLE:
endTagExpectationAsArray = STYLE_ARR;
return;
case TreeBuilder.PLAINTEXT:
endTagExpectationAsArray = PLAINTEXT_ARR;
return;
case TreeBuilder.XMP:
endTagExpectationAsArray = XMP_ARR;
return;
case TreeBuilder.TEXTAREA:
endTagExpectationAsArray = TEXTAREA_ARR;
return;
case TreeBuilder.IFRAME:
endTagExpectationAsArray = IFRAME_ARR;
return;
case TreeBuilder.NOEMBED:
endTagExpectationAsArray = NOEMBED_ARR;
return;
case TreeBuilder.NOSCRIPT:
endTagExpectationAsArray = NOSCRIPT_ARR;
return;
case TreeBuilder.NOFRAMES:
endTagExpectationAsArray = NOFRAMES_ARR;
return;
default:
assert false: "Bad end tag expectation.";
return;
}
}
/**
* For C++ use only.
*/
public void setLineNumber(int line) {
this.line = line;
}
// start Locator impl
/**
* @see org.xml.sax.Locator#getLineNumber()
*/
@Inline public int getLineNumber() {
return line;
}
// [NOCPP[
/**
* @see org.xml.sax.Locator#getColumnNumber()
*/
@Inline public int getColumnNumber() {
return -1;
}
/**
* @see org.xml.sax.Locator#getPublicId()
*/
public String getPublicId() {
return publicId;
}
/**
* @see org.xml.sax.Locator#getSystemId()
*/
public String getSystemId() {
return systemId;
}
// end Locator impl
// end public API
public void notifyAboutMetaBoundary() {
metaBoundaryPassed = true;
}
void turnOnAdditionalHtml4Errors() {
html4 = true;
}
// ]NOCPP]
HtmlAttributes emptyAttributes() {
// [NOCPP[
if (newAttributesEachTime) {
return new HtmlAttributes(mappingLangToXmlLang);
} else {
// ]NOCPP]
return HtmlAttributes.EMPTY_ATTRIBUTES;
// [NOCPP[
}
// ]NOCPP]
}
@Inline private void clearStrBufAndAppend(char c) {
strBuf[0] = c;
strBufLen = 1;
}
@Inline private void clearStrBuf() {
strBufLen = 0;
}
/**
* Appends to the smaller buffer.
*
* @param c
* the UTF-16 code unit to append
*/
private void appendStrBuf(char c) {
if (strBufLen == strBuf.length) {
char[] newBuf = new char[strBuf.length + Tokenizer.BUFFER_GROW_BY];
System.arraycopy(strBuf, 0, newBuf, 0, strBuf.length);
strBuf = newBuf;
}
strBuf[strBufLen++] = c;
}
/**
* The smaller buffer as a String. Currently only used for error reporting.
*
* <p>
* C++ memory note: The return value must be released.
*
* @return the smaller buffer as a string
*/
protected String strBufToString() {
return Portability.newStringFromBuffer(strBuf, 0, strBufLen);
}
/**
* Returns the short buffer as a local name. The return value is released in
* emitDoctypeToken().
*
* @return the smaller buffer as local name
*/
private void strBufToDoctypeName() {
doctypeName = Portability.newLocalNameFromBuffer(strBuf, 0, strBufLen,
interner);
}
/**
* Emits the smaller buffer as character tokens.
*
* @throws SAXException
* if the token handler threw
*/
private void emitStrBuf() throws SAXException {
if (strBufLen > 0) {
tokenHandler.characters(strBuf, 0, strBufLen);
}
}
@Inline private void clearLongStrBuf() {
longStrBufLen = 0;
}
@Inline private void clearLongStrBufAndAppend(char c) {
longStrBuf[0] = c;
longStrBufLen = 1;
}
/**
* Appends to the larger buffer.
*
* @param c
* the UTF-16 code unit to append
*/
private void appendLongStrBuf(char c) {
if (longStrBufLen == longStrBuf.length) {
char[] newBuf = new char[longStrBufLen + (longStrBufLen >> 1)];
System.arraycopy(longStrBuf, 0, newBuf, 0, longStrBuf.length);
longStrBuf = newBuf;
}
longStrBuf[longStrBufLen++] = c;
}
@Inline private void appendSecondHyphenToBogusComment() throws SAXException {
// [NOCPP[
switch (commentPolicy) {
case ALTER_INFOSET:
// detachLongStrBuf();
appendLongStrBuf(' ');
// FALLTHROUGH
case ALLOW:
warn("The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.");
// ]NOCPP]
appendLongStrBuf('-');
// [NOCPP[
break;
case FATAL:
fatal("The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.");
break;
}
// ]NOCPP]
}
// [NOCPP[
private void maybeAppendSpaceToBogusComment() throws SAXException {
switch (commentPolicy) {
case ALTER_INFOSET:
// detachLongStrBuf();
appendLongStrBuf(' ');
// FALLTHROUGH
case ALLOW:
warn("The document is not mappable to XML 1.0 due to a trailing hyphen in a comment.");
break;
case FATAL:
fatal("The document is not mappable to XML 1.0 due to a trailing hyphen in a comment.");
break;
}
}
// ]NOCPP]
@Inline private void adjustDoubleHyphenAndAppendToLongStrBufAndErr(char c)
throws SAXException {
errConsecutiveHyphens();
// [NOCPP[
switch (commentPolicy) {
case ALTER_INFOSET:
// detachLongStrBuf();
longStrBufLen--;
appendLongStrBuf(' ');
appendLongStrBuf('-');
// FALLTHROUGH
case ALLOW:
warn("The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.");
// ]NOCPP]
appendLongStrBuf(c);
// [NOCPP[
break;
case FATAL:
fatal("The document is not mappable to XML 1.0 due to two consecutive hyphens in a comment.");
break;
}
// ]NOCPP]
}
private void appendLongStrBuf(@NoLength char[] buffer, int offset, int length) {
int reqLen = longStrBufLen + length;
if (longStrBuf.length < reqLen) {
char[] newBuf = new char[reqLen + (reqLen >> 1)];
System.arraycopy(longStrBuf, 0, newBuf, 0, longStrBuf.length);
longStrBuf = newBuf;
}
System.arraycopy(buffer, offset, longStrBuf, longStrBufLen, length);
longStrBufLen = reqLen;
}
/**
* Append the contents of the smaller buffer to the larger one.
*/
@Inline private void appendStrBufToLongStrBuf() {
appendLongStrBuf(strBuf, 0, strBufLen);
}
/**
* The larger buffer as a string.
*
* <p>
* C++ memory note: The return value must be released.
*
* @return the larger buffer as a string
*/
private String longStrBufToString() {
return Portability.newStringFromBuffer(longStrBuf, 0, longStrBufLen);
}
/**
* Emits the current comment token.
*
* @param pos
* TODO
*
* @throws SAXException
*/
private void emitComment(int provisionalHyphens, int pos)