parser/html/nsHtml5TreeBuilder.h

   1 /*
   2  * Copyright (c) 2007 Henri Sivonen
   3  * Copyright (c) 2007-2017 Mozilla Foundation
   4  * Portions of comments Copyright 2004-2008 Apple Computer, Inc., Mozilla
   5  * Foundation, and Opera Software ASA.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included in
  15  * all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  23  * DEALINGS IN THE SOFTWARE.
  24  */
  25
  26 /*
  27  * THIS IS A GENERATED FILE. PLEASE DO NOT EDIT.
  28  * Please edit TreeBuilder.java instead and regenerate.
  29  */
  30
  31 #ifndef nsHtml5TreeBuilder_h
  32 #define nsHtml5TreeBuilder_h
  33
  34 #include "jArray.h"
  35 #include "mozilla/ImportScanner.h"
  36 #include "mozilla/Likely.h"
  37 #include "nsAHtml5TreeBuilderState.h"
  38 #include "nsAtom.h"
  39 #include "nsContentUtils.h"
  40 #include "nsGkAtoms.h"
  41 #include "nsHtml5ArrayCopy.h"
  42 #include "nsHtml5AtomTable.h"
  43 #include "nsHtml5DocumentMode.h"
  44 #include "nsHtml5Highlighter.h"
  45 #include "nsHtml5OplessBuilder.h"
  46 #include "nsHtml5Parser.h"
  47 #include "nsHtml5PlainTextUtils.h"
  48 #include "nsHtml5StackNode.h"
  49 #include "nsHtml5StateSnapshot.h"
  50 #include "nsHtml5StreamParser.h"
  51 #include "nsHtml5String.h"
  52 #include "nsHtml5TreeOperation.h"
  53 #include "nsHtml5TreeOpExecutor.h"
  54 #include "nsHtml5ViewSourceUtils.h"
  55 #include "nsIContent.h"
  56 #include "nsIContentHandle.h"
  57 #include "nsNameSpaceManager.h"
  58 #include "nsTraceRefcnt.h"
  59
  60 class nsHtml5StreamParser;
  61
  62 class nsHtml5AttributeName;
  63 class nsHtml5ElementName;
  64 class nsHtml5Tokenizer;
  65 class nsHtml5UTF16Buffer;
  66 class nsHtml5StateSnapshot;
  67 class nsHtml5Portability;
  68
  69 class nsHtml5TreeBuilder : public nsAHtml5TreeBuilderState {
  70  private:
  71   static char16_t REPLACEMENT_CHARACTER[];
  72
  73  public:
  74   static const int32_t OTHER = 0;
  75
  76   static const int32_t A = 1;
  77
  78   static const int32_t BASE = 2;
  79
  80   static const int32_t BODY = 3;
  81
  82   static const int32_t BR = 4;
  83
  84   static const int32_t BUTTON = 5;
  85
  86   static const int32_t CAPTION = 6;
  87
  88   static const int32_t COL = 7;
  89
  90   static const int32_t COLGROUP = 8;
  91
  92   static const int32_t FORM = 9;
  93
  94   static const int32_t FRAME = 10;
  95
  96   static const int32_t FRAMESET = 11;
  97
  98   static const int32_t IMAGE = 12;
  99
 100   static const int32_t INPUT = 13;
 101
 102   static const int32_t RT_OR_RP = 14;
 103
 104   static const int32_t LI = 15;
 105
 106   static const int32_t LINK_OR_BASEFONT_OR_BGSOUND = 16;
 107
 108   static const int32_t MATH = 17;
 109
 110   static const int32_t META = 18;
 111
 112   static const int32_t SVG = 19;
 113
 114   static const int32_t HEAD = 20;
 115
 116   static const int32_t HR = 22;
 117
 118   static const int32_t HTML = 23;
 119
 120   static const int32_t NOBR = 24;
 121
 122   static const int32_t NOFRAMES = 25;
 123
 124   static const int32_t NOSCRIPT = 26;
 125
 126   static const int32_t OPTGROUP = 27;
 127
 128   static const int32_t OPTION = 28;
 129
 130   static const int32_t P = 29;
 131
 132   static const int32_t PLAINTEXT = 30;
 133
 134   static const int32_t SCRIPT = 31;
 135
 136   static const int32_t SELECT = 32;
 137
 138   static const int32_t STYLE = 33;
 139
 140   static const int32_t TABLE = 34;
 141
 142   static const int32_t TEXTAREA = 35;
 143
 144   static const int32_t TITLE = 36;
 145
 146   static const int32_t TR = 37;
 147
 148   static const int32_t XMP = 38;
 149
 150   static const int32_t TBODY_OR_THEAD_OR_TFOOT = 39;
 151
 152   static const int32_t TD_OR_TH = 40;
 153
 154   static const int32_t DD_OR_DT = 41;
 155
 156   static const int32_t H1_OR_H2_OR_H3_OR_H4_OR_H5_OR_H6 = 42;
 157
 158   static const int32_t MARQUEE_OR_APPLET = 43;
 159
 160   static const int32_t PRE_OR_LISTING = 44;
 161
 162   static const int32_t
 163       B_OR_BIG_OR_CODE_OR_EM_OR_I_OR_S_OR_SMALL_OR_STRIKE_OR_STRONG_OR_TT_OR_U =
 164           45;
 165
 166   static const int32_t UL_OR_OL_OR_DL = 46;
 167
 168   static const int32_t IFRAME = 47;
 169
 170   static const int32_t EMBED = 48;
 171
 172   static const int32_t AREA_OR_WBR = 49;
 173
 174   static const int32_t DIV_OR_BLOCKQUOTE_OR_CENTER_OR_MENU = 50;
 175
 176   static const int32_t
 177       ADDRESS_OR_ARTICLE_OR_ASIDE_OR_DETAILS_OR_DIALOG_OR_DIR_OR_FIGCAPTION_OR_FIGURE_OR_FOOTER_OR_HEADER_OR_HGROUP_OR_MAIN_OR_NAV_OR_SEARCH_OR_SECTION_OR_SUMMARY =
 178           51;
 179
 180   static const int32_t RUBY_OR_SPAN_OR_SUB_OR_SUP_OR_VAR = 52;
 181
 182   static const int32_t RB_OR_RTC = 53;
 183
 184   static const int32_t PARAM_OR_SOURCE_OR_TRACK = 55;
 185
 186   static const int32_t MGLYPH_OR_MALIGNMARK = 56;
 187
 188   static const int32_t MI_MO_MN_MS_MTEXT = 57;
 189
 190   static const int32_t ANNOTATION_XML = 58;
 191
 192   static const int32_t FOREIGNOBJECT_OR_DESC = 59;
 193
 194   static const int32_t NOEMBED = 60;
 195
 196   static const int32_t FIELDSET = 61;
 197
 198   static const int32_t OUTPUT = 62;
 199
 200   static const int32_t OBJECT = 63;
 201
 202   static const int32_t FONT = 64;
 203
 204   static const int32_t KEYGEN = 65;
 205
 206   static const int32_t TEMPLATE = 66;
 207
 208   static const int32_t IMG = 67;
 209
 210  private:
 211   static const int32_t IN_ROW = 0;
 212
 213   static const int32_t IN_TABLE_BODY = 1;
 214
 215   static const int32_t IN_TABLE = 2;
 216
 217   static const int32_t IN_CAPTION = 3;
 218
 219   static const int32_t IN_CELL = 4;
 220
 221   static const int32_t FRAMESET_OK = 5;
 222
 223   static const int32_t IN_BODY = 6;
 224
 225   static const int32_t IN_HEAD = 7;
 226
 227   static const int32_t IN_HEAD_NOSCRIPT = 8;
 228
 229   static const int32_t IN_COLUMN_GROUP = 9;
 230
 231   static const int32_t IN_SELECT_IN_TABLE = 10;
 232
 233   static const int32_t IN_SELECT = 11;
 234
 235   static const int32_t AFTER_BODY = 12;
 236
 237   static const int32_t IN_FRAMESET = 13;
 238
 239   static const int32_t AFTER_FRAMESET = 14;
 240
 241   static const int32_t INITIAL = 15;
 242
 243   static const int32_t BEFORE_HTML = 16;
 244
 245   static const int32_t BEFORE_HEAD = 17;
 246
 247   static const int32_t AFTER_HEAD = 18;
 248
 249   static const int32_t AFTER_AFTER_BODY = 19;
 250
 251   static const int32_t AFTER_AFTER_FRAMESET = 20;
 252
 253   static const int32_t TEXT = 21;
 254
 255   static const int32_t IN_TEMPLATE = 22;
 256
 257   static const int32_t CHARSET_INITIAL = 0;
 258
 259   static const int32_t CHARSET_C = 1;
 260
 261   static const int32_t CHARSET_H = 2;
 262
 263   static const int32_t CHARSET_A = 3;
 264
 265   static const int32_t CHARSET_R = 4;
 266
 267   static const int32_t CHARSET_S = 5;
 268
 269   static const int32_t CHARSET_E = 6;
 270
 271   static const int32_t CHARSET_T = 7;
 272
 273   static const int32_t CHARSET_EQUALS = 8;
 274
 275   static const int32_t CHARSET_SINGLE_QUOTED = 9;
 276
 277   static const int32_t CHARSET_DOUBLE_QUOTED = 10;
 278
 279   static const int32_t CHARSET_UNQUOTED = 11;
 280
 281   static staticJArray<const char*, int32_t> QUIRKY_PUBLIC_IDS;
 282   static const int32_t NOT_FOUND_ON_STACK = INT32_MAX;
 283
 284   int32_t mode;
 285   int32_t originalMode;
 286   bool framesetOk;
 287
 288  protected:
 289   nsHtml5Tokenizer* tokenizer;
 290
 291  private:
 292   bool scriptingEnabled;
 293   bool needToDropLF;
 294   bool fragment;
 295   RefPtr<nsAtom> contextName;
 296   int32_t contextNamespace;
 297   nsIContentHandle* contextNode;
 298   autoJArray<int32_t, int32_t> templateModeStack;
 299   int32_t templateModePtr;
 300   autoJArray<nsHtml5StackNode*, int32_t> stackNodes;
 301   int32_t stackNodesIdx;
 302   int32_t numStackNodes;
 303   autoJArray<nsHtml5StackNode*, int32_t> stack;
 304   int32_t currentPtr;
 305   autoJArray<nsHtml5StackNode*, int32_t> listOfActiveFormattingElements;
 306   int32_t listPtr;
 307   nsIContentHandle* formPointer;
 308   nsIContentHandle* headPointer;
 309
 310  protected:
 311   autoJArray<char16_t, int32_t> charBuffer;
 312   int32_t charBufferLen;
 313
 314  private:
 315   bool quirks;
 316   bool forceNoQuirks;
 317   inline nsHtml5ContentCreatorFunction htmlCreator(
 318       mozilla::dom::HTMLContentCreatorFunction htmlCreator) {
 319     nsHtml5ContentCreatorFunction creator;
 320     creator.html = htmlCreator;
 321     return creator;
 322   }
 323
 324   inline nsHtml5ContentCreatorFunction svgCreator(
 325       mozilla::dom::SVGContentCreatorFunction svgCreator) {
 326     nsHtml5ContentCreatorFunction creator;
 327     creator.svg = svgCreator;
 328     return creator;
 329   }
 330
 331  public:
 332   void startTokenization(nsHtml5Tokenizer* self);
 333   void doctype(nsAtom* name, nsHtml5String publicIdentifier,
 334                nsHtml5String systemIdentifier, bool forceQuirks);
 335   void comment(char16_t* buf, int32_t start, int32_t length);
 336   void characters(const char16_t* buf, int32_t start, int32_t length);
 337   void zeroOriginatingReplacementCharacter();
 338   void zeroOrReplacementCharacter();
 339   void eof();
 340   void endTokenization();
 341   void startTag(nsHtml5ElementName* elementName,
 342                 nsHtml5HtmlAttributes* attributes, bool selfClosing);
 343
 344  private:
 345   void startTagTitleInHead(nsHtml5ElementName* elementName,
 346                            nsHtml5HtmlAttributes* attributes);
 347   void startTagGenericRawText(nsHtml5ElementName* elementName,
 348                               nsHtml5HtmlAttributes* attributes);
 349   void startTagScriptInHead(nsHtml5ElementName* elementName,
 350                             nsHtml5HtmlAttributes* attributes);
 351   void startTagTemplateInHead(nsHtml5ElementName* elementName,
 352                               nsHtml5HtmlAttributes* attributes);
 353   bool isTemplateContents();
 354   bool isTemplateModeStackEmpty();
 355   bool isSpecialParentInForeign(nsHtml5StackNode* stackNode);
 356
 357  public:
 358   static nsHtml5String extractCharsetFromContent(nsHtml5String attributeValue,
 359                                                  nsHtml5TreeBuilder* tb);
 360
 361  private:
 362   void checkMetaCharset(nsHtml5HtmlAttributes* attributes);
 363
 364  public:
 365   void endTag(nsHtml5ElementName* elementName);
 366
 367  private:
 368   void endTagTemplateInHead();
 369   int32_t findLastInTableScopeOrRootTemplateTbodyTheadTfoot();
 370   int32_t findLast(nsAtom* name);
 371   int32_t findLastInTableScope(nsAtom* name);
 372   int32_t findLastInButtonScope(nsAtom* name);
 373   int32_t findLastInScope(nsAtom* name);
 374   int32_t findLastInListScope(nsAtom* name);
 375   int32_t findLastInScopeHn();
 376   void generateImpliedEndTagsExceptFor(nsAtom* name);
 377   void generateImpliedEndTags();
 378   void generateImpliedEndTagsThoroughly();
 379   bool isSecondOnStackBody();
 380   void documentModeInternal(nsHtml5DocumentMode m,
 381                             nsHtml5String publicIdentifier,
 382                             nsHtml5String systemIdentifier);
 383   bool isAlmostStandards(nsHtml5String publicIdentifier,
 384                          nsHtml5String systemIdentifier);
 385   bool isQuirky(nsAtom* name, nsHtml5String publicIdentifier,
 386                 nsHtml5String systemIdentifier, bool forceQuirks);
 387   void closeTheCell(int32_t eltPos);
 388   int32_t findLastInTableScopeTdTh();
 389   void clearStackBackTo(int32_t eltPos);
 390   void resetTheInsertionMode();
 391   void implicitlyCloseP();
 392   bool debugOnlyClearLastStackSlot();
 393   bool debugOnlyClearLastListSlot();
 394   void pushTemplateMode(int32_t mode);
 395   void push(nsHtml5StackNode* node);
 396   void silentPush(nsHtml5StackNode* node);
 397   void append(nsHtml5StackNode* node);
 398   inline void insertMarker() { append(nullptr); }
 399
 400   void clearTheListOfActiveFormattingElementsUpToTheLastMarker();
 401   inline bool isCurrent(nsAtom* name) {
 402     return stack[currentPtr]->ns == kNameSpaceID_XHTML &&
 403            name == stack[currentPtr]->name;
 404   }
 405
 406   void removeFromStack(int32_t pos);
 407   void removeFromStack(nsHtml5StackNode* node);
 408   void removeFromListOfActiveFormattingElements(int32_t pos);
 409   bool adoptionAgencyEndTag(nsAtom* name);
 410   void insertIntoStack(nsHtml5StackNode* node, int32_t position);
 411   void insertIntoListOfActiveFormattingElements(
 412       nsHtml5StackNode* formattingClone, int32_t bookmark);
 413   int32_t findInListOfActiveFormattingElements(nsHtml5StackNode* node);
 414   int32_t findInListOfActiveFormattingElementsContainsBetweenEndAndLastMarker(
 415       nsAtom* name);
 416   void maybeForgetEarlierDuplicateFormattingElement(
 417       nsAtom* name, nsHtml5HtmlAttributes* attributes);
 418   int32_t findLastOrRoot(nsAtom* name);
 419   int32_t findLastOrRoot(int32_t group);
 420   bool addAttributesToBody(nsHtml5HtmlAttributes* attributes);
 421   void addAttributesToHtml(nsHtml5HtmlAttributes* attributes);
 422   void pushHeadPointerOntoStack();
 423   void reconstructTheActiveFormattingElements();
 424
 425  public:
 426   void notifyUnusedStackNode(int32_t idxInStackNodes);
 427
 428  private:
 429   nsHtml5StackNode* getUnusedStackNode();
 430   nsHtml5StackNode* createStackNode(
 431       int32_t flags, int32_t ns, nsAtom* name, nsIContentHandle* node,
 432       nsAtom* popName, nsHtml5HtmlAttributes* attributes,
 433       mozilla::dom::HTMLContentCreatorFunction htmlCreator);
 434   nsHtml5StackNode* createStackNode(nsHtml5ElementName* elementName,
 435                                     nsIContentHandle* node);
 436   nsHtml5StackNode* createStackNode(nsHtml5ElementName* elementName,
 437                                     nsIContentHandle* node,
 438                                     nsHtml5HtmlAttributes* attributes);
 439   nsHtml5StackNode* createStackNode(nsHtml5ElementName* elementName,
 440                                     nsIContentHandle* node, nsAtom* popName);
 441   nsHtml5StackNode* createStackNode(nsHtml5ElementName* elementName,
 442                                     nsAtom* popName, nsIContentHandle* node);
 443   nsHtml5StackNode* createStackNode(nsHtml5ElementName* elementName,
 444                                     nsIContentHandle* node, nsAtom* popName,
 445                                     bool markAsIntegrationPoint);
 446   void insertIntoFosterParent(nsIContentHandle* child);
 447   nsIContentHandle* createAndInsertFosterParentedElement(
 448       int32_t ns, nsAtom* name, nsHtml5HtmlAttributes* attributes,
 449       nsHtml5ContentCreatorFunction creator);
 450   nsIContentHandle* createAndInsertFosterParentedElement(
 451       int32_t ns, nsAtom* name, nsHtml5HtmlAttributes* attributes,
 452       nsIContentHandle* form, nsHtml5ContentCreatorFunction creator);
 453   bool isInStack(nsHtml5StackNode* node);
 454   void popTemplateMode();
 455   void pop();
 456   void popForeign(int32_t origPos, int32_t eltPos);
 457   void silentPop();
 458   void popOnEof();
 459   void appendHtmlElementToDocumentAndPush(nsHtml5HtmlAttributes* attributes);
 460   void appendHtmlElementToDocumentAndPush();
 461   void appendToCurrentNodeAndPushHeadElement(nsHtml5HtmlAttributes* attributes);
 462   void appendToCurrentNodeAndPushBodyElement(nsHtml5HtmlAttributes* attributes);
 463   void appendToCurrentNodeAndPushBodyElement();
 464   void appendToCurrentNodeAndPushFormElementMayFoster(
 465       nsHtml5HtmlAttributes* attributes);
 466   void appendToCurrentNodeAndPushFormattingElementMayFoster(
 467       nsHtml5ElementName* elementName, nsHtml5HtmlAttributes* attributes);
 468   void appendToCurrentNodeAndPushElement(nsHtml5ElementName* elementName,
 469                                          nsHtml5HtmlAttributes* attributes);
 470   void appendToCurrentNodeAndPushElementMayFoster(
 471       nsHtml5ElementName* elementName, nsHtml5HtmlAttributes* attributes);
 472   void appendToCurrentNodeAndPushElementMayFosterMathML(
 473       nsHtml5ElementName* elementName, nsHtml5HtmlAttributes* attributes);
 474   bool annotationXmlEncodingPermitsHtml(nsHtml5HtmlAttributes* attributes);
 475   void appendToCurrentNodeAndPushElementMayFosterSVG(
 476       nsHtml5ElementName* elementName, nsHtml5HtmlAttributes* attributes);
 477   void appendToCurrentNodeAndPushElementMayFoster(
 478       nsHtml5ElementName* elementName, nsHtml5HtmlAttributes* attributes,
 479       nsIContentHandle* form);
 480   void appendVoidElementToCurrentMayFoster(nsHtml5ElementName* elementName,
 481                                            nsHtml5HtmlAttributes* attributes,
 482                                            nsIContentHandle* form);
 483   void appendVoidElementToCurrentMayFoster(nsHtml5ElementName* elementName,
 484                                            nsHtml5HtmlAttributes* attributes);
 485   void appendVoidElementToCurrentMayFosterSVG(
 486       nsHtml5ElementName* elementName, nsHtml5HtmlAttributes* attributes);
 487   void appendVoidElementToCurrentMayFosterMathML(
 488       nsHtml5ElementName* elementName, nsHtml5HtmlAttributes* attributes);
 489   void appendVoidInputToCurrent(nsHtml5HtmlAttributes* attributes,
 490                                 nsIContentHandle* form);
 491   void appendVoidFormToCurrent(nsHtml5HtmlAttributes* attributes);
 492
 493  protected:
 494   void accumulateCharacters(const char16_t* buf, int32_t start, int32_t length);
 495   void requestSuspension();
 496   nsIContentHandle* createElement(int32_t ns, nsAtom* name,
 497                                   nsHtml5HtmlAttributes* attributes,
 498                                   nsIContentHandle* intendedParent,
 499                                   nsHtml5ContentCreatorFunction creator);
 500   nsIContentHandle* createElement(int32_t ns, nsAtom* name,
 501                                   nsHtml5HtmlAttributes* attributes,
 502                                   nsIContentHandle* form,
 503                                   nsIContentHandle* intendedParent,
 504                                   nsHtml5ContentCreatorFunction creator);
 505   nsIContentHandle* createHtmlElementSetAsRoot(
 506       nsHtml5HtmlAttributes* attributes);
 507   void detachFromParent(nsIContentHandle* element);
 508   bool hasChildren(nsIContentHandle* element);
 509   void appendElement(nsIContentHandle* child, nsIContentHandle* newParent);
 510   void appendChildrenToNewParent(nsIContentHandle* oldParent,
 511                                  nsIContentHandle* newParent);
 512   void insertFosterParentedChild(nsIContentHandle* child,
 513                                  nsIContentHandle* table,
 514                                  nsIContentHandle* stackParent);
 515   nsIContentHandle* createAndInsertFosterParentedElement(
 516       int32_t ns, nsAtom* name, nsHtml5HtmlAttributes* attributes,
 517       nsIContentHandle* form, nsIContentHandle* table,
 518       nsIContentHandle* stackParent, nsHtml5ContentCreatorFunction creator);
 519   ;
 520   void insertFosterParentedCharacters(char16_t* buf, int32_t start,
 521                                       int32_t length, nsIContentHandle* table,
 522                                       nsIContentHandle* stackParent);
 523   void appendCharacters(nsIContentHandle* parent, char16_t* buf, int32_t start,
 524                         int32_t length);
 525   void appendComment(nsIContentHandle* parent, char16_t* buf, int32_t start,
 526                      int32_t length);
 527   void appendCommentToDocument(char16_t* buf, int32_t start, int32_t length);
 528   void addAttributesToElement(nsIContentHandle* element,
 529                               nsHtml5HtmlAttributes* attributes);
 530   void markMalformedIfScript(nsIContentHandle* elt);
 531   void start(bool fragmentMode);
 532   void end();
 533   void appendDoctypeToDocument(nsAtom* name, nsHtml5String publicIdentifier,
 534                                nsHtml5String systemIdentifier);
 535   void elementPushed(int32_t ns, nsAtom* name, nsIContentHandle* node);
 536   void elementPopped(int32_t ns, nsAtom* name, nsIContentHandle* node);
 537
 538  public:
 539   inline bool cdataSectionAllowed() { return isInForeign(); }
 540
 541  private:
 542   bool isInForeign();
 543   bool isInForeignButNotHtmlOrMathTextIntegrationPoint();
 544
 545  public:
 546   void setFragmentContext(nsAtom* context, int32_t ns, nsIContentHandle* node,
 547                           bool quirks);
 548
 549  protected:
 550   nsIContentHandle* currentNode();
 551
 552  public:
 553   bool isScriptingEnabled();
 554   void setScriptingEnabled(bool scriptingEnabled);
 555   void setForceNoQuirks(bool forceNoQuirks);
 556   void setIsSrcdocDocument(bool isSrcdocDocument);
 557   void flushCharacters();
 558
 559  private:
 560   bool charBufferContainsNonWhitespace();
 561
 562  public:
 563   nsAHtml5TreeBuilderState* newSnapshot();
 564   bool snapshotMatches(nsAHtml5TreeBuilderState* snapshot);
 565   void loadState(nsAHtml5TreeBuilderState* snapshot);
 566
 567  private:
 568   int32_t findInArray(nsHtml5StackNode* node,
 569                       jArray<nsHtml5StackNode*, int32_t> arr);
 570   nsIContentHandle* nodeFromStackWithBlinkCompat(int32_t stackPos);
 571
 572  public:
 573   nsIContentHandle* getFormPointer() override;
 574   nsIContentHandle* getHeadPointer() override;
 575   jArray<nsHtml5StackNode*, int32_t> getListOfActiveFormattingElements()
 576       override;
 577   jArray<nsHtml5StackNode*, int32_t> getStack() override;
 578   jArray<int32_t, int32_t> getTemplateModeStack() override;
 579   int32_t getMode() override;
 580   int32_t getOriginalMode() override;
 581   bool isFramesetOk() override;
 582   bool isNeedToDropLF() override;
 583   bool isQuirks() override;
 584   int32_t getListOfActiveFormattingElementsLength() override;
 585   int32_t getStackLength() override;
 586   int32_t getTemplateModeStackLength() override;
 587   static void initializeStatics();
 588   static void releaseStatics();
 589
 590 #include "nsHtml5TreeBuilderHSupplement.h"
 591 };
 592
 593 #endif