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gecko-dev/parser/html/nsHtml5TreeBuilder.h

595 строки
20 KiB
C++
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/*
* Copyright (c) 2007 Henri Sivonen
* Copyright (c) 2007-2015 Mozilla Foundation
* Portions of comments Copyright 2004-2008 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 TreeBuilder.java instead and regenerate.
*/
#ifndef nsHtml5TreeBuilder_h
#define nsHtml5TreeBuilder_h
#include "nsContentUtils.h"
#include "nsAtom.h"
#include "nsHtml5AtomTable.h"
#include "nsITimer.h"
#include "nsHtml5String.h"
#include "nsNameSpaceManager.h"
#include "nsIContent.h"
#include "nsTraceRefcnt.h"
#include "jArray.h"
#include "nsHtml5DocumentMode.h"
#include "nsHtml5ArrayCopy.h"
#include "nsHtml5Parser.h"
#include "nsGkAtoms.h"
#include "nsHtml5TreeOperation.h"
#include "nsHtml5StateSnapshot.h"
#include "nsHtml5StackNode.h"
#include "nsHtml5TreeOpExecutor.h"
#include "nsHtml5StreamParser.h"
#include "nsAHtml5TreeBuilderState.h"
#include "nsHtml5Highlighter.h"
#include "nsHtml5PlainTextUtils.h"
#include "nsHtml5ViewSourceUtils.h"
#include "mozilla/Likely.h"
#include "nsIContentHandle.h"
#include "nsHtml5OplessBuilder.h"
class nsHtml5StreamParser;
class nsHtml5AttributeName;
class nsHtml5ElementName;
class nsHtml5Tokenizer;
class nsHtml5MetaScanner;
class nsHtml5UTF16Buffer;
class nsHtml5StateSnapshot;
class nsHtml5Portability;
class nsHtml5TreeBuilder : public nsAHtml5TreeBuilderState {
private:
static char16_t REPLACEMENT_CHARACTER[];
public:
static const int32_t OTHER = 0;
static const int32_t A = 1;
static const int32_t BASE = 2;
static const int32_t BODY = 3;
static const int32_t BR = 4;
static const int32_t BUTTON = 5;
static const int32_t CAPTION = 6;
static const int32_t COL = 7;
static const int32_t COLGROUP = 8;
static const int32_t FORM = 9;
static const int32_t FRAME = 10;
static const int32_t FRAMESET = 11;
static const int32_t IMAGE = 12;
static const int32_t INPUT = 13;
static const int32_t RT_OR_RP = 14;
static const int32_t LI = 15;
static const int32_t LINK_OR_BASEFONT_OR_BGSOUND = 16;
static const int32_t MATH = 17;
static const int32_t META = 18;
static const int32_t SVG = 19;
static const int32_t HEAD = 20;
static const int32_t HR = 22;
static const int32_t HTML = 23;
static const int32_t NOBR = 24;
static const int32_t NOFRAMES = 25;
static const int32_t NOSCRIPT = 26;
static const int32_t OPTGROUP = 27;
static const int32_t OPTION = 28;
static const int32_t P = 29;
static const int32_t PLAINTEXT = 30;
static const int32_t SCRIPT = 31;
static const int32_t SELECT = 32;
static const int32_t STYLE = 33;
static const int32_t TABLE = 34;
static const int32_t TEXTAREA = 35;
static const int32_t TITLE = 36;
static const int32_t TR = 37;
static const int32_t XMP = 38;
static const int32_t TBODY_OR_THEAD_OR_TFOOT = 39;
static const int32_t TD_OR_TH = 40;
static const int32_t DD_OR_DT = 41;
static const int32_t H1_OR_H2_OR_H3_OR_H4_OR_H5_OR_H6 = 42;
static const int32_t MARQUEE_OR_APPLET = 43;
static const int32_t PRE_OR_LISTING = 44;
static const int32_t
B_OR_BIG_OR_CODE_OR_EM_OR_I_OR_S_OR_SMALL_OR_STRIKE_OR_STRONG_OR_TT_OR_U =
45;
static const int32_t UL_OR_OL_OR_DL = 46;
static const int32_t IFRAME = 47;
static const int32_t EMBED = 48;
static const int32_t AREA_OR_WBR = 49;
static const int32_t DIV_OR_BLOCKQUOTE_OR_CENTER_OR_MENU = 50;
static const int32_t
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_SECTION_OR_SUMMARY =
51;
static const int32_t RUBY_OR_SPAN_OR_SUB_OR_SUP_OR_VAR = 52;
static const int32_t RB_OR_RTC = 53;
static const int32_t PARAM_OR_SOURCE_OR_TRACK = 55;
static const int32_t MGLYPH_OR_MALIGNMARK = 56;
static const int32_t MI_MO_MN_MS_MTEXT = 57;
static const int32_t ANNOTATION_XML = 58;
static const int32_t FOREIGNOBJECT_OR_DESC = 59;
static const int32_t NOEMBED = 60;
static const int32_t FIELDSET = 61;
static const int32_t OUTPUT = 62;
static const int32_t OBJECT = 63;
static const int32_t FONT = 64;
static const int32_t KEYGEN = 65;
static const int32_t MENUITEM = 66;
static const int32_t TEMPLATE = 67;
static const int32_t IMG = 68;
private:
static const int32_t IN_ROW = 0;
static const int32_t IN_TABLE_BODY = 1;
static const int32_t IN_TABLE = 2;
static const int32_t IN_CAPTION = 3;
static const int32_t IN_CELL = 4;
static const int32_t FRAMESET_OK = 5;
static const int32_t IN_BODY = 6;
static const int32_t IN_HEAD = 7;
static const int32_t IN_HEAD_NOSCRIPT = 8;
static const int32_t IN_COLUMN_GROUP = 9;
static const int32_t IN_SELECT_IN_TABLE = 10;
static const int32_t IN_SELECT = 11;
static const int32_t AFTER_BODY = 12;
static const int32_t IN_FRAMESET = 13;
static const int32_t AFTER_FRAMESET = 14;
static const int32_t INITIAL = 15;
static const int32_t BEFORE_HTML = 16;
static const int32_t BEFORE_HEAD = 17;
static const int32_t AFTER_HEAD = 18;
static const int32_t AFTER_AFTER_BODY = 19;
static const int32_t AFTER_AFTER_FRAMESET = 20;
static const int32_t TEXT = 21;
static const int32_t IN_TEMPLATE = 22;
static const int32_t CHARSET_INITIAL = 0;
static const int32_t CHARSET_C = 1;
static const int32_t CHARSET_H = 2;
static const int32_t CHARSET_A = 3;
static const int32_t CHARSET_R = 4;
static const int32_t CHARSET_S = 5;
static const int32_t CHARSET_E = 6;
static const int32_t CHARSET_T = 7;
static const int32_t CHARSET_EQUALS = 8;
static const int32_t CHARSET_SINGLE_QUOTED = 9;
static const int32_t CHARSET_DOUBLE_QUOTED = 10;
static const int32_t CHARSET_UNQUOTED = 11;
static staticJArray<const char*, int32_t> QUIRKY_PUBLIC_IDS;
static const int32_t NOT_FOUND_ON_STACK = INT32_MAX;
int32_t mode;
int32_t originalMode;
bool framesetOk;
protected:
nsHtml5Tokenizer* tokenizer;
private:
bool scriptingEnabled;
bool needToDropLF;
bool fragment;
RefPtr<nsAtom> contextName;
int32_t contextNamespace;
nsIContentHandle* contextNode;
autoJArray<int32_t, int32_t> templateModeStack;
int32_t templateModePtr;
autoJArray<nsHtml5StackNode*, int32_t> stackNodes;
int32_t stackNodesIdx;
int32_t numStackNodes;
autoJArray<nsHtml5StackNode*, int32_t> stack;
int32_t currentPtr;
autoJArray<nsHtml5StackNode*, int32_t> listOfActiveFormattingElements;
int32_t listPtr;
nsIContentHandle* formPointer;
nsIContentHandle* headPointer;
protected:
autoJArray<char16_t, int32_t> charBuffer;
int32_t charBufferLen;
private:
bool quirks;
bool isSrcdocDocument;
inline nsHtml5ContentCreatorFunction htmlCreator(
mozilla::dom::HTMLContentCreatorFunction htmlCreator) {
nsHtml5ContentCreatorFunction creator;
creator.html = htmlCreator;
return creator;
}
inline nsHtml5ContentCreatorFunction svgCreator(
mozilla::dom::SVGContentCreatorFunction svgCreator) {
nsHtml5ContentCreatorFunction creator;
creator.svg = svgCreator;
return creator;
}
public:
void startTokenization(nsHtml5Tokenizer* self);
void doctype(nsAtom* name, nsHtml5String publicIdentifier,
nsHtml5String systemIdentifier, bool forceQuirks);
void comment(char16_t* buf, int32_t start, int32_t length);
void characters(const char16_t* buf, int32_t start, int32_t length);
void zeroOriginatingReplacementCharacter();
void eof();
void endTokenization();
void startTag(nsHtml5ElementName* elementName,
nsHtml5HtmlAttributes* attributes, bool selfClosing);
private:
void startTagTitleInHead(nsHtml5ElementName* elementName,
nsHtml5HtmlAttributes* attributes);
void startTagGenericRawText(nsHtml5ElementName* elementName,
nsHtml5HtmlAttributes* attributes);
void startTagScriptInHead(nsHtml5ElementName* elementName,
nsHtml5HtmlAttributes* attributes);
void startTagTemplateInHead(nsHtml5ElementName* elementName,
nsHtml5HtmlAttributes* attributes);
bool isTemplateContents();
bool isTemplateModeStackEmpty();
bool isSpecialParentInForeign(nsHtml5StackNode* stackNode);
public:
static nsHtml5String extractCharsetFromContent(nsHtml5String attributeValue,
nsHtml5TreeBuilder* tb);
private:
void checkMetaCharset(nsHtml5HtmlAttributes* attributes);
public:
void endTag(nsHtml5ElementName* elementName);
private:
void endTagTemplateInHead();
int32_t findLastInTableScopeOrRootTemplateTbodyTheadTfoot();
int32_t findLast(nsAtom* name);
int32_t findLastInTableScope(nsAtom* name);
int32_t findLastInButtonScope(nsAtom* name);
int32_t findLastInScope(nsAtom* name);
int32_t findLastInListScope(nsAtom* name);
int32_t findLastInScopeHn();
void generateImpliedEndTagsExceptFor(nsAtom* name);
void generateImpliedEndTags();
bool isSecondOnStackBody();
void documentModeInternal(nsHtml5DocumentMode m,
nsHtml5String publicIdentifier,
nsHtml5String systemIdentifier,
bool html4SpecificAdditionalErrorChecks);
bool isAlmostStandards(nsHtml5String publicIdentifier,
nsHtml5String systemIdentifier);
bool isQuirky(nsAtom* name, nsHtml5String publicIdentifier,
nsHtml5String systemIdentifier, bool forceQuirks);
void closeTheCell(int32_t eltPos);
int32_t findLastInTableScopeTdTh();
void clearStackBackTo(int32_t eltPos);
void resetTheInsertionMode();
void implicitlyCloseP();
bool debugOnlyClearLastStackSlot();
bool debugOnlyClearLastListSlot();
void pushTemplateMode(int32_t mode);
void push(nsHtml5StackNode* node);
void silentPush(nsHtml5StackNode* node);
void append(nsHtml5StackNode* node);
inline void insertMarker() { append(nullptr); }
void clearTheListOfActiveFormattingElementsUpToTheLastMarker();
inline bool isCurrent(nsAtom* name) {
return stack[currentPtr]->ns == kNameSpaceID_XHTML &&
name == stack[currentPtr]->name;
}
void removeFromStack(int32_t pos);
void removeFromStack(nsHtml5StackNode* node);
void removeFromListOfActiveFormattingElements(int32_t pos);
bool adoptionAgencyEndTag(nsAtom* name);
void insertIntoStack(nsHtml5StackNode* node, int32_t position);
void insertIntoListOfActiveFormattingElements(
nsHtml5StackNode* formattingClone, int32_t bookmark);
int32_t findInListOfActiveFormattingElements(nsHtml5StackNode* node);
int32_t findInListOfActiveFormattingElementsContainsBetweenEndAndLastMarker(
nsAtom* name);
void maybeForgetEarlierDuplicateFormattingElement(
nsAtom* name, nsHtml5HtmlAttributes* attributes);
int32_t findLastOrRoot(nsAtom* name);
int32_t findLastOrRoot(int32_t group);
bool addAttributesToBody(nsHtml5HtmlAttributes* attributes);
void addAttributesToHtml(nsHtml5HtmlAttributes* attributes);
void pushHeadPointerOntoStack();
void reconstructTheActiveFormattingElements();
public:
void notifyUnusedStackNode(int32_t idxInStackNodes);
private:
nsHtml5StackNode* getUnusedStackNode();
nsHtml5StackNode* createStackNode(
int32_t flags, int32_t ns, nsAtom* name, nsIContentHandle* node,
nsAtom* popName, nsHtml5HtmlAttributes* attributes,
mozilla::dom::HTMLContentCreatorFunction htmlCreator);
nsHtml5StackNode* createStackNode(nsHtml5ElementName* elementName,
nsIContentHandle* node);
nsHtml5StackNode* createStackNode(nsHtml5ElementName* elementName,
nsIContentHandle* node,
nsHtml5HtmlAttributes* attributes);
nsHtml5StackNode* createStackNode(nsHtml5ElementName* elementName,
nsIContentHandle* node, nsAtom* popName);
nsHtml5StackNode* createStackNode(nsHtml5ElementName* elementName,
nsAtom* popName, nsIContentHandle* node);
nsHtml5StackNode* createStackNode(nsHtml5ElementName* elementName,
nsIContentHandle* node, nsAtom* popName,
bool markAsIntegrationPoint);
void insertIntoFosterParent(nsIContentHandle* child);
nsIContentHandle* createAndInsertFosterParentedElement(
int32_t ns, nsAtom* name, nsHtml5HtmlAttributes* attributes,
nsHtml5ContentCreatorFunction creator);
nsIContentHandle* createAndInsertFosterParentedElement(
int32_t ns, nsAtom* name, nsHtml5HtmlAttributes* attributes,
nsIContentHandle* form, nsHtml5ContentCreatorFunction creator);
bool isInStack(nsHtml5StackNode* node);
void popTemplateMode();
void pop();
void popForeign(int32_t origPos, int32_t eltPos);
void silentPop();
void popOnEof();
void appendHtmlElementToDocumentAndPush(nsHtml5HtmlAttributes* attributes);
void appendHtmlElementToDocumentAndPush();
void appendToCurrentNodeAndPushHeadElement(nsHtml5HtmlAttributes* attributes);
void appendToCurrentNodeAndPushBodyElement(nsHtml5HtmlAttributes* attributes);
void appendToCurrentNodeAndPushBodyElement();
void appendToCurrentNodeAndPushFormElementMayFoster(
nsHtml5HtmlAttributes* attributes);
void appendToCurrentNodeAndPushFormattingElementMayFoster(
nsHtml5ElementName* elementName, nsHtml5HtmlAttributes* attributes);
void appendToCurrentNodeAndPushElement(nsHtml5ElementName* elementName,
nsHtml5HtmlAttributes* attributes);
void appendToCurrentNodeAndPushElementMayFoster(
nsHtml5ElementName* elementName, nsHtml5HtmlAttributes* attributes);
void appendToCurrentNodeAndPushElementMayFosterMathML(
nsHtml5ElementName* elementName, nsHtml5HtmlAttributes* attributes);
bool annotationXmlEncodingPermitsHtml(nsHtml5HtmlAttributes* attributes);
void appendToCurrentNodeAndPushElementMayFosterSVG(
nsHtml5ElementName* elementName, nsHtml5HtmlAttributes* attributes);
void appendToCurrentNodeAndPushElementMayFoster(
nsHtml5ElementName* elementName, nsHtml5HtmlAttributes* attributes,
nsIContentHandle* form);
void appendVoidElementToCurrentMayFoster(nsHtml5ElementName* elementName,
nsHtml5HtmlAttributes* attributes,
nsIContentHandle* form);
void appendVoidElementToCurrentMayFoster(nsHtml5ElementName* elementName,
nsHtml5HtmlAttributes* attributes);
void appendVoidElementToCurrentMayFosterSVG(
nsHtml5ElementName* elementName, nsHtml5HtmlAttributes* attributes);
void appendVoidElementToCurrentMayFosterMathML(
nsHtml5ElementName* elementName, nsHtml5HtmlAttributes* attributes);
void appendVoidInputToCurrent(nsHtml5HtmlAttributes* attributes,
nsIContentHandle* form);
void appendVoidFormToCurrent(nsHtml5HtmlAttributes* attributes);
protected:
void accumulateCharacters(const char16_t* buf, int32_t start, int32_t length);
void requestSuspension();
nsIContentHandle* createElement(int32_t ns, nsAtom* name,
nsHtml5HtmlAttributes* attributes,
nsIContentHandle* intendedParent,
nsHtml5ContentCreatorFunction creator);
nsIContentHandle* createElement(int32_t ns, nsAtom* name,
nsHtml5HtmlAttributes* attributes,
nsIContentHandle* form,
nsIContentHandle* intendedParent,
nsHtml5ContentCreatorFunction creator);
nsIContentHandle* createHtmlElementSetAsRoot(
nsHtml5HtmlAttributes* attributes);
void detachFromParent(nsIContentHandle* element);
bool hasChildren(nsIContentHandle* element);
void appendElement(nsIContentHandle* child, nsIContentHandle* newParent);
void appendChildrenToNewParent(nsIContentHandle* oldParent,
nsIContentHandle* newParent);
void insertFosterParentedChild(nsIContentHandle* child,
nsIContentHandle* table,
nsIContentHandle* stackParent);
nsIContentHandle* createAndInsertFosterParentedElement(
int32_t ns, nsAtom* name, nsHtml5HtmlAttributes* attributes,
nsIContentHandle* form, nsIContentHandle* table,
nsIContentHandle* stackParent, nsHtml5ContentCreatorFunction creator);
;
void insertFosterParentedCharacters(char16_t* buf, int32_t start,
int32_t length, nsIContentHandle* table,
nsIContentHandle* stackParent);
void appendCharacters(nsIContentHandle* parent, char16_t* buf, int32_t start,
int32_t length);
void appendComment(nsIContentHandle* parent, char16_t* buf, int32_t start,
int32_t length);
void appendCommentToDocument(char16_t* buf, int32_t start, int32_t length);
void addAttributesToElement(nsIContentHandle* element,
nsHtml5HtmlAttributes* attributes);
void markMalformedIfScript(nsIContentHandle* elt);
void start(bool fragmentMode);
void end();
void appendDoctypeToDocument(nsAtom* name, nsHtml5String publicIdentifier,
nsHtml5String systemIdentifier);
void elementPushed(int32_t ns, nsAtom* name, nsIContentHandle* node);
void elementPopped(int32_t ns, nsAtom* name, nsIContentHandle* node);
public:
inline bool cdataSectionAllowed() { return isInForeign(); }
private:
bool isInForeign();
bool isInForeignButNotHtmlOrMathTextIntegrationPoint();
public:
void setFragmentContext(nsAtom* context, int32_t ns, nsIContentHandle* node,
bool quirks);
protected:
nsIContentHandle* currentNode();
public:
bool isScriptingEnabled();
void setScriptingEnabled(bool scriptingEnabled);
void setIsSrcdocDocument(bool isSrcdocDocument);
void flushCharacters();
private:
bool charBufferContainsNonWhitespace();
public:
nsAHtml5TreeBuilderState* newSnapshot();
bool snapshotMatches(nsAHtml5TreeBuilderState* snapshot);
void loadState(nsAHtml5TreeBuilderState* snapshot);
private:
int32_t findInArray(nsHtml5StackNode* node,
jArray<nsHtml5StackNode*, int32_t> arr);
nsIContentHandle* nodeFromStackWithBlinkCompat(int32_t stackPos);
public:
nsIContentHandle* getFormPointer() override;
nsIContentHandle* getHeadPointer() override;
jArray<nsHtml5StackNode*, int32_t> getListOfActiveFormattingElements()
override;
jArray<nsHtml5StackNode*, int32_t> getStack() override;
jArray<int32_t, int32_t> getTemplateModeStack() override;
int32_t getMode() override;
int32_t getOriginalMode() override;
bool isFramesetOk() override;
bool isNeedToDropLF() override;
bool isQuirks() override;
int32_t getListOfActiveFormattingElementsLength() override;
int32_t getStackLength() override;
int32_t getTemplateModeStackLength() override;
static void initializeStatics();
static void releaseStatics();
#include "nsHtml5TreeBuilderHSupplement.h"
};
#endif
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