mirror of
https://github.com/mozilla/gecko-dev.git
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223 lines
6.8 KiB
C++
223 lines
6.8 KiB
C++
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is HTML Parser C++ Translator code.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2008-2009
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Henri Sivonen <hsivonen@iki.fi>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#define NS_HTML5_TREE_BUILDER_HANDLE_ARRAY_LENGTH 512
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private:
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nsHtml5Highlighter* mViewSource;
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nsTArray<nsHtml5TreeOperation> mOpQueue;
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nsTArray<nsHtml5SpeculativeLoad> mSpeculativeLoadQueue;
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nsAHtml5TreeOpSink* mOpSink;
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nsAutoArrayPtr<nsIContent*> mHandles;
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PRInt32 mHandlesUsed;
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nsTArray<nsAutoArrayPtr<nsIContent*> > mOldHandles;
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nsHtml5TreeOpStage* mSpeculativeLoadStage;
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nsIContent** mDeepTreeSurrogateParent;
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bool mCurrentHtmlScriptIsAsyncOrDefer;
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#ifdef DEBUG
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bool mActive;
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#endif
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// DocumentModeHandler
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/**
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* Tree builder uses this to report quirkiness of the document
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*/
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void documentMode(nsHtml5DocumentMode m);
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/**
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* Using nsIContent** instead of nsIContent* is the parser deals with DOM
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* nodes in a way that works off the main thread. Non-main-thread code
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* can't refcount or otherwise touch nsIContent objects in any way.
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* Yet, the off-the-main-thread code needs to have a way to hold onto a
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* particular node and repeatedly operate on the same node.
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*
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* The way this works is that the off-the-main-thread code has an
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* nsIContent** for each DOM node and a given nsIContent** is only ever
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* actually dereferenced into an actual nsIContent* on the main thread.
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* When the off-the-main-thread code requests a new node, it gets an
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* nsIContent** immediately and a tree op is enqueued for later allocating
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* an actual nsIContent object and writing a pointer to it into the memory
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* location pointed to by the nsIContent**.
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*
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* Since tree ops are in a queue, the node creating tree op will always
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* run before tree ops that try to further operate on the node that the
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* nsIContent** is a handle to.
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*
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* On-the-main-thread parts of the parser use the same mechanism in order
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* to avoid having to have duplicate code paths for on-the-main-thread and
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* off-the-main-thread tree builder instances.)
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*/
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nsIContent** AllocateContentHandle();
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void accumulateCharactersForced(const PRUnichar* aBuf, PRInt32 aStart, PRInt32 aLength)
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{
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accumulateCharacters(aBuf, aStart, aLength);
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}
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public:
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nsHtml5TreeBuilder(nsAHtml5TreeOpSink* aOpSink,
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nsHtml5TreeOpStage* aStage);
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~nsHtml5TreeBuilder();
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void StartPlainTextViewSource(const nsAutoString& aTitle);
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void StartPlainText();
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bool HasScript();
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void SetOpSink(nsAHtml5TreeOpSink* aOpSink) {
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mOpSink = aOpSink;
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}
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void ClearOps() {
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mOpQueue.Clear();
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}
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bool Flush(bool aDiscretionary = false);
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void FlushLoads();
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void SetDocumentCharset(nsACString& aCharset, PRInt32 aCharsetSource);
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void StreamEnded();
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void NeedsCharsetSwitchTo(const nsACString& aEncoding, PRInt32 aSource);
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void AddSnapshotToScript(nsAHtml5TreeBuilderState* aSnapshot, PRInt32 aLine);
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void DropHandles();
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void EnableViewSource(nsHtml5Highlighter* aHighlighter);
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void errStrayStartTag(nsIAtom* aName);
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void errStrayEndTag(nsIAtom* aName);
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void errUnclosedElements(PRInt32 aIndex, nsIAtom* aName);
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void errUnclosedElementsImplied(PRInt32 aIndex, nsIAtom* aName);
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void errUnclosedElementsCell(PRInt32 aIndex);
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void errStrayDoctype();
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void errAlmostStandardsDoctype();
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void errQuirkyDoctype();
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void errNonSpaceInTrailer();
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void errNonSpaceAfterFrameset();
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void errNonSpaceInFrameset();
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void errNonSpaceAfterBody();
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void errNonSpaceInColgroupInFragment();
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void errNonSpaceInNoscriptInHead();
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void errFooBetweenHeadAndBody(nsIAtom* aName);
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void errStartTagWithoutDoctype();
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void errNoSelectInTableScope();
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void errStartSelectWhereEndSelectExpected();
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void errStartTagWithSelectOpen(nsIAtom* aName);
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void errBadStartTagInHead(nsIAtom* aName);
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void errImage();
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void errIsindex();
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void errFooSeenWhenFooOpen(nsIAtom* aName);
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void errHeadingWhenHeadingOpen();
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void errFramesetStart();
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void errNoCellToClose();
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void errStartTagInTable(nsIAtom* aName);
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void errFormWhenFormOpen();
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void errTableSeenWhileTableOpen();
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void errStartTagInTableBody(nsIAtom* aName);
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void errEndTagSeenWithoutDoctype();
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void errEndTagAfterBody();
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void errEndTagSeenWithSelectOpen(nsIAtom* aName);
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void errGarbageInColgroup();
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void errEndTagBr();
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void errNoElementToCloseButEndTagSeen(nsIAtom* aName);
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void errHtmlStartTagInForeignContext(nsIAtom* aName);
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void errTableClosedWhileCaptionOpen();
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void errNoTableRowToClose();
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void errNonSpaceInTable();
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void errUnclosedChildrenInRuby();
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void errStartTagSeenWithoutRuby(nsIAtom* aName);
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void errSelfClosing();
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void errNoCheckUnclosedElementsOnStack();
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void errEndTagDidNotMatchCurrentOpenElement(nsIAtom* aName, nsIAtom* aOther);
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void errEndTagViolatesNestingRules(nsIAtom* aName);
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void errEndWithUnclosedElements(nsIAtom* aName);
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void MarkAsBroken();
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