summaryrefslogtreecommitdiffstats
path: root/parser/html/nsHtml5Tokenizer.h
blob: da509b69b43909b980d8532e6dfd244939768668 (plain)
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
/*
 * Copyright (c) 2005-2007 Henri Sivonen
 * Copyright (c) 2007-2015 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.
 */

/*
 * THIS IS A GENERATED FILE. PLEASE DO NOT EDIT.
 * Please edit Tokenizer.java instead and regenerate.
 */

#ifndef nsHtml5Tokenizer_h
#define nsHtml5Tokenizer_h

#include "nsIAtom.h"
#include "nsHtml5AtomTable.h"
#include "nsString.h"
#include "nsIContent.h"
#include "nsTraceRefcnt.h"
#include "jArray.h"
#include "nsHtml5DocumentMode.h"
#include "nsHtml5ArrayCopy.h"
#include "nsHtml5NamedCharacters.h"
#include "nsHtml5NamedCharactersAccel.h"
#include "nsHtml5Atoms.h"
#include "nsAHtml5TreeBuilderState.h"
#include "nsHtml5Macros.h"
#include "nsHtml5Highlighter.h"
#include "nsHtml5TokenizerLoopPolicies.h"

class nsHtml5StreamParser;

class nsHtml5TreeBuilder;
class nsHtml5MetaScanner;
class nsHtml5AttributeName;
class nsHtml5ElementName;
class nsHtml5HtmlAttributes;
class nsHtml5UTF16Buffer;
class nsHtml5StateSnapshot;
class nsHtml5Portability;


class nsHtml5Tokenizer
{
  private:
    static char16_t LT_GT[];
    static char16_t LT_SOLIDUS[];
    static char16_t RSQB_RSQB[];
    static char16_t REPLACEMENT_CHARACTER[];
    static char16_t LF[];
    static char16_t CDATA_LSQB[];
    static char16_t OCTYPE[];
    static char16_t UBLIC[];
    static char16_t YSTEM[];
    static staticJArray<char16_t,int32_t> TITLE_ARR;
    static staticJArray<char16_t,int32_t> SCRIPT_ARR;
    static staticJArray<char16_t,int32_t> STYLE_ARR;
    static staticJArray<char16_t,int32_t> PLAINTEXT_ARR;
    static staticJArray<char16_t,int32_t> XMP_ARR;
    static staticJArray<char16_t,int32_t> TEXTAREA_ARR;
    static staticJArray<char16_t,int32_t> IFRAME_ARR;
    static staticJArray<char16_t,int32_t> NOEMBED_ARR;
    static staticJArray<char16_t,int32_t> NOSCRIPT_ARR;
    static staticJArray<char16_t,int32_t> NOFRAMES_ARR;
  protected:
    nsHtml5TreeBuilder* tokenHandler;
    nsHtml5StreamParser* encodingDeclarationHandler;
    bool lastCR;
    int32_t stateSave;
  private:
    int32_t returnStateSave;
  protected:
    int32_t index;
  private:
    bool forceQuirks;
    char16_t additional;
    int32_t entCol;
    int32_t firstCharKey;
    int32_t lo;
    int32_t hi;
    int32_t candidate;
    int32_t charRefBufMark;
  protected:
    int32_t value;
  private:
    bool seenDigits;
  protected:
    int32_t cstart;
  private:
    nsString* publicId;
    nsString* systemId;
    autoJArray<char16_t,int32_t> strBuf;
    int32_t strBufLen;
    autoJArray<char16_t,int32_t> charRefBuf;
    int32_t charRefBufLen;
    autoJArray<char16_t,int32_t> bmpChar;
    autoJArray<char16_t,int32_t> astralChar;
  protected:
    nsHtml5ElementName* endTagExpectation;
  private:
    jArray<char16_t,int32_t> endTagExpectationAsArray;
  protected:
    bool endTag;
  private:
    nsHtml5ElementName* tagName;
  protected:
    nsHtml5AttributeName* attributeName;
  private:
    nsIAtom* doctypeName;
    nsString* publicIdentifier;
    nsString* systemIdentifier;
    nsHtml5HtmlAttributes* attributes;
    bool newAttributesEachTime;
    bool shouldSuspend;
  protected:
    bool confident;
  private:
    int32_t line;
    int32_t attributeLine;
    nsHtml5AtomTable* interner;
    bool viewingXmlSource;
  public:
    nsHtml5Tokenizer(nsHtml5TreeBuilder* tokenHandler, bool viewingXmlSource);
    void setInterner(nsHtml5AtomTable* interner);
    void initLocation(nsString* newPublicId, nsString* newSystemId);
    bool isViewingXmlSource();
    void setStateAndEndTagExpectation(int32_t specialTokenizerState, nsIAtom* endTagExpectation);
    void setStateAndEndTagExpectation(int32_t specialTokenizerState, nsHtml5ElementName* endTagExpectation);
  private:
    void endTagExpectationToArray();
  public:
    void setLineNumber(int32_t line);
    inline int32_t getLineNumber()
    {
      return line;
    }

    nsHtml5HtmlAttributes* emptyAttributes();
  private:
    inline void appendCharRefBuf(char16_t c)
    {
      MOZ_RELEASE_ASSERT(charRefBufLen < charRefBuf.length, "Attempted to overrun charRefBuf!");
      charRefBuf[charRefBufLen++] = c;
    }

    void emitOrAppendCharRefBuf(int32_t returnState);
    inline void clearStrBufAfterUse()
    {
      strBufLen = 0;
    }

    inline void clearStrBufBeforeUse()
    {
      MOZ_ASSERT(!strBufLen, "strBufLen not reset after previous use!");
      strBufLen = 0;
    }

    inline void clearStrBufAfterOneHyphen()
    {
      MOZ_ASSERT(strBufLen == 1, "strBufLen length not one!");
      MOZ_ASSERT(strBuf[0] == '-', "strBuf does not start with a hyphen!");
      strBufLen = 0;
    }

    inline void appendStrBuf(char16_t c)
    {
      MOZ_ASSERT(strBufLen < strBuf.length, "Previous buffer length insufficient.");
      if (MOZ_UNLIKELY(strBufLen == strBuf.length)) {
        if (MOZ_UNLIKELY(!EnsureBufferSpace(1))) {
          MOZ_CRASH("Unable to recover from buffer reallocation failure");
        }
      }
      strBuf[strBufLen++] = c;
    }

  protected:
    nsString* strBufToString();
  private:
    void strBufToDoctypeName();
    void emitStrBuf();
    inline void appendSecondHyphenToBogusComment()
    {
      appendStrBuf('-');
    }

    inline void adjustDoubleHyphenAndAppendToStrBufAndErr(char16_t c)
    {
      errConsecutiveHyphens();
      appendStrBuf(c);
    }

    void appendStrBuf(char16_t* buffer, int32_t offset, int32_t length);
    inline void appendCharRefBufToStrBuf()
    {
      appendStrBuf(charRefBuf, 0, charRefBufLen);
      charRefBufLen = 0;
    }

    void emitComment(int32_t provisionalHyphens, int32_t pos);
  protected:
    void flushChars(char16_t* buf, int32_t pos);
  private:
    void strBufToElementNameString();
    int32_t emitCurrentTagToken(bool selfClosing, int32_t pos);
    void attributeNameComplete();
    void addAttributeWithoutValue();
    void addAttributeWithValue();
  public:
    void start();
    bool tokenizeBuffer(nsHtml5UTF16Buffer* buffer);
  private:
    template<class P> int32_t stateLoop(int32_t state, char16_t c, int32_t pos, char16_t* buf, bool reconsume, int32_t returnState, int32_t endPos);
    void initDoctypeFields();
    inline void adjustDoubleHyphenAndAppendToStrBufCarriageReturn()
    {
      silentCarriageReturn();
      adjustDoubleHyphenAndAppendToStrBufAndErr('\n');
    }

    inline void adjustDoubleHyphenAndAppendToStrBufLineFeed()
    {
      silentLineFeed();
      adjustDoubleHyphenAndAppendToStrBufAndErr('\n');
    }

    inline void appendStrBufLineFeed()
    {
      silentLineFeed();
      appendStrBuf('\n');
    }

    inline void appendStrBufCarriageReturn()
    {
      silentCarriageReturn();
      appendStrBuf('\n');
    }

  protected:
    inline void silentCarriageReturn()
    {
      ++line;
      lastCR = true;
    }

    inline void silentLineFeed()
    {
      ++line;
    }

  private:
    void emitCarriageReturn(char16_t* buf, int32_t pos);
    void emitReplacementCharacter(char16_t* buf, int32_t pos);
    void emitPlaintextReplacementCharacter(char16_t* buf, int32_t pos);
    void setAdditionalAndRememberAmpersandLocation(char16_t add);
    void bogusDoctype();
    void bogusDoctypeWithoutQuirks();
    void handleNcrValue(int32_t returnState);
  public:
    void eof();
  private:
    void emitDoctypeToken(int32_t pos);
  protected:
    inline char16_t checkChar(char16_t* buf, int32_t pos)
    {
      return buf[pos];
    }

  public:
    bool internalEncodingDeclaration(nsString* internalCharset);
  private:
    void emitOrAppendTwo(const char16_t* val, int32_t returnState);
    void emitOrAppendOne(const char16_t* val, int32_t returnState);
  public:
    void end();
    void requestSuspension();
    bool isInDataState();
    void resetToDataState();
    void loadState(nsHtml5Tokenizer* other);
    void initializeWithoutStarting();
    void setEncodingDeclarationHandler(nsHtml5StreamParser* encodingDeclarationHandler);
    ~nsHtml5Tokenizer();
    static void initializeStatics();
    static void releaseStatics();

#include "nsHtml5TokenizerHSupplement.h"
};

#define NS_HTML5TOKENIZER_DATA_AND_RCDATA_MASK ~1
#define NS_HTML5TOKENIZER_DATA 0
#define NS_HTML5TOKENIZER_RCDATA 1
#define NS_HTML5TOKENIZER_SCRIPT_DATA 2
#define NS_HTML5TOKENIZER_RAWTEXT 3
#define NS_HTML5TOKENIZER_SCRIPT_DATA_ESCAPED 4
#define NS_HTML5TOKENIZER_ATTRIBUTE_VALUE_DOUBLE_QUOTED 5
#define NS_HTML5TOKENIZER_ATTRIBUTE_VALUE_SINGLE_QUOTED 6
#define NS_HTML5TOKENIZER_ATTRIBUTE_VALUE_UNQUOTED 7
#define NS_HTML5TOKENIZER_PLAINTEXT 8
#define NS_HTML5TOKENIZER_TAG_OPEN 9
#define NS_HTML5TOKENIZER_CLOSE_TAG_OPEN 10
#define NS_HTML5TOKENIZER_TAG_NAME 11
#define NS_HTML5TOKENIZER_BEFORE_ATTRIBUTE_NAME 12
#define NS_HTML5TOKENIZER_ATTRIBUTE_NAME 13
#define NS_HTML5TOKENIZER_AFTER_ATTRIBUTE_NAME 14
#define NS_HTML5TOKENIZER_BEFORE_ATTRIBUTE_VALUE 15
#define NS_HTML5TOKENIZER_AFTER_ATTRIBUTE_VALUE_QUOTED 16
#define NS_HTML5TOKENIZER_BOGUS_COMMENT 17
#define NS_HTML5TOKENIZER_MARKUP_DECLARATION_OPEN 18
#define NS_HTML5TOKENIZER_DOCTYPE 19
#define NS_HTML5TOKENIZER_BEFORE_DOCTYPE_NAME 20
#define NS_HTML5TOKENIZER_DOCTYPE_NAME 21
#define NS_HTML5TOKENIZER_AFTER_DOCTYPE_NAME 22
#define NS_HTML5TOKENIZER_BEFORE_DOCTYPE_PUBLIC_IDENTIFIER 23
#define NS_HTML5TOKENIZER_DOCTYPE_PUBLIC_IDENTIFIER_DOUBLE_QUOTED 24
#define NS_HTML5TOKENIZER_DOCTYPE_PUBLIC_IDENTIFIER_SINGLE_QUOTED 25
#define NS_HTML5TOKENIZER_AFTER_DOCTYPE_PUBLIC_IDENTIFIER 26
#define NS_HTML5TOKENIZER_BEFORE_DOCTYPE_SYSTEM_IDENTIFIER 27
#define NS_HTML5TOKENIZER_DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED 28
#define NS_HTML5TOKENIZER_DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED 29
#define NS_HTML5TOKENIZER_AFTER_DOCTYPE_SYSTEM_IDENTIFIER 30
#define NS_HTML5TOKENIZER_BOGUS_DOCTYPE 31
#define NS_HTML5TOKENIZER_COMMENT_START 32
#define NS_HTML5TOKENIZER_COMMENT_START_DASH 33
#define NS_HTML5TOKENIZER_COMMENT 34
#define NS_HTML5TOKENIZER_COMMENT_END_DASH 35
#define NS_HTML5TOKENIZER_COMMENT_END 36
#define NS_HTML5TOKENIZER_COMMENT_END_BANG 37
#define NS_HTML5TOKENIZER_NON_DATA_END_TAG_NAME 38
#define NS_HTML5TOKENIZER_MARKUP_DECLARATION_HYPHEN 39
#define NS_HTML5TOKENIZER_MARKUP_DECLARATION_OCTYPE 40
#define NS_HTML5TOKENIZER_DOCTYPE_UBLIC 41
#define NS_HTML5TOKENIZER_DOCTYPE_YSTEM 42
#define NS_HTML5TOKENIZER_AFTER_DOCTYPE_PUBLIC_KEYWORD 43
#define NS_HTML5TOKENIZER_BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS 44
#define NS_HTML5TOKENIZER_AFTER_DOCTYPE_SYSTEM_KEYWORD 45
#define NS_HTML5TOKENIZER_CONSUME_CHARACTER_REFERENCE 46
#define NS_HTML5TOKENIZER_CONSUME_NCR 47
#define NS_HTML5TOKENIZER_CHARACTER_REFERENCE_TAIL 48
#define NS_HTML5TOKENIZER_HEX_NCR_LOOP 49
#define NS_HTML5TOKENIZER_DECIMAL_NRC_LOOP 50
#define NS_HTML5TOKENIZER_HANDLE_NCR_VALUE 51
#define NS_HTML5TOKENIZER_HANDLE_NCR_VALUE_RECONSUME 52
#define NS_HTML5TOKENIZER_CHARACTER_REFERENCE_HILO_LOOKUP 53
#define NS_HTML5TOKENIZER_SELF_CLOSING_START_TAG 54
#define NS_HTML5TOKENIZER_CDATA_START 55
#define NS_HTML5TOKENIZER_CDATA_SECTION 56
#define NS_HTML5TOKENIZER_CDATA_RSQB 57
#define NS_HTML5TOKENIZER_CDATA_RSQB_RSQB 58
#define NS_HTML5TOKENIZER_SCRIPT_DATA_LESS_THAN_SIGN 59
#define NS_HTML5TOKENIZER_SCRIPT_DATA_ESCAPE_START 60
#define NS_HTML5TOKENIZER_SCRIPT_DATA_ESCAPE_START_DASH 61
#define NS_HTML5TOKENIZER_SCRIPT_DATA_ESCAPED_DASH 62
#define NS_HTML5TOKENIZER_SCRIPT_DATA_ESCAPED_DASH_DASH 63
#define NS_HTML5TOKENIZER_BOGUS_COMMENT_HYPHEN 64
#define NS_HTML5TOKENIZER_RAWTEXT_RCDATA_LESS_THAN_SIGN 65
#define NS_HTML5TOKENIZER_SCRIPT_DATA_ESCAPED_LESS_THAN_SIGN 66
#define NS_HTML5TOKENIZER_SCRIPT_DATA_DOUBLE_ESCAPE_START 67
#define NS_HTML5TOKENIZER_SCRIPT_DATA_DOUBLE_ESCAPED 68
#define NS_HTML5TOKENIZER_SCRIPT_DATA_DOUBLE_ESCAPED_LESS_THAN_SIGN 69
#define NS_HTML5TOKENIZER_SCRIPT_DATA_DOUBLE_ESCAPED_DASH 70
#define NS_HTML5TOKENIZER_SCRIPT_DATA_DOUBLE_ESCAPED_DASH_DASH 71
#define NS_HTML5TOKENIZER_SCRIPT_DATA_DOUBLE_ESCAPE_END 72
#define NS_HTML5TOKENIZER_PROCESSING_INSTRUCTION 73
#define NS_HTML5TOKENIZER_PROCESSING_INSTRUCTION_QUESTION_MARK 74
#define NS_HTML5TOKENIZER_LEAD_OFFSET (0xD800 - (0x10000 >> 10))


#endif