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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo
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Roy Tam
commit
dcd9973243
150858 changed files with 23884658 additions and 0 deletions
236
editor/txtsvc/nsTextServicesDocument.h
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236
editor/txtsvc/nsTextServicesDocument.h
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsTextServicesDocument_h__
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#define nsTextServicesDocument_h__
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#include "nsCOMPtr.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsIEditActionListener.h"
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#include "nsISupportsImpl.h"
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#include "nsITextServicesDocument.h"
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#include "nsIWeakReferenceUtils.h"
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#include "nsTArray.h"
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#include "nscore.h"
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class OffsetEntry;
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class nsIAtom;
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class nsIContent;
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class nsIContentIterator;
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class nsIDOMCharacterData;
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class nsIDOMDocument;
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class nsIDOMNode;
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class nsIDOMRange;
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class nsIEditor;
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class nsISelection;
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class nsISelectionController;
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class nsITextServicesFilter;
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class nsString;
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/** implementation of a text services object.
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*
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*/
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class nsTextServicesDocument final : public nsITextServicesDocument,
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public nsIEditActionListener
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{
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private:
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static nsIAtom *sAAtom;
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static nsIAtom *sAddressAtom;
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static nsIAtom *sBigAtom;
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static nsIAtom *sBAtom;
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static nsIAtom *sCiteAtom;
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static nsIAtom *sCodeAtom;
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static nsIAtom *sDfnAtom;
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static nsIAtom *sEmAtom;
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static nsIAtom *sFontAtom;
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static nsIAtom *sIAtom;
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static nsIAtom *sKbdAtom;
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static nsIAtom *sKeygenAtom;
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static nsIAtom *sNobrAtom;
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static nsIAtom *sSAtom;
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static nsIAtom *sSampAtom;
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static nsIAtom *sSmallAtom;
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static nsIAtom *sSpacerAtom;
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static nsIAtom *sSpanAtom;
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static nsIAtom *sStrikeAtom;
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static nsIAtom *sStrongAtom;
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static nsIAtom *sSubAtom;
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static nsIAtom *sSupAtom;
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static nsIAtom *sTtAtom;
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static nsIAtom *sUAtom;
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static nsIAtom *sVarAtom;
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static nsIAtom *sWbrAtom;
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typedef enum { eIsDone=0, // No iterator (I), or iterator doesn't point to anything valid.
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eValid, // I points to first text node (TN) in current block (CB).
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ePrev, // No TN in CB, I points to first TN in prev block.
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eNext // No TN in CB, I points to first TN in next block.
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} TSDIteratorStatus;
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nsCOMPtr<nsIDOMDocument> mDOMDocument;
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nsCOMPtr<nsISelectionController>mSelCon;
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nsWeakPtr mEditor; // avoid a cycle with the spell checker and editor
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nsCOMPtr<nsIContentIterator> mIterator;
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TSDIteratorStatus mIteratorStatus;
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nsCOMPtr<nsIContent> mPrevTextBlock;
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nsCOMPtr<nsIContent> mNextTextBlock;
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nsTArray<OffsetEntry*> mOffsetTable;
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int32_t mSelStartIndex;
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int32_t mSelStartOffset;
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int32_t mSelEndIndex;
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int32_t mSelEndOffset;
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RefPtr<nsRange> mExtent;
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nsCOMPtr<nsITextServicesFilter> mTxtSvcFilter;
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protected:
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/** The default destructor.
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*/
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virtual ~nsTextServicesDocument();
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public:
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/** The default constructor.
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*/
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nsTextServicesDocument();
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/** To be called at module init
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*/
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static void RegisterAtoms();
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/* Macro for AddRef(), Release(), and QueryInterface() */
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsTextServicesDocument, nsITextServicesDocument)
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/* nsITextServicesDocument method implementations. */
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NS_IMETHOD InitWithEditor(nsIEditor *aEditor) override;
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NS_IMETHOD GetDocument(nsIDOMDocument **aDoc) override;
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NS_IMETHOD SetExtent(nsIDOMRange* aDOMRange) override;
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NS_IMETHOD ExpandRangeToWordBoundaries(nsIDOMRange *aRange) override;
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NS_IMETHOD SetFilter(nsITextServicesFilter *aFilter) override;
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NS_IMETHOD GetCurrentTextBlock(nsString *aStr) override;
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NS_IMETHOD FirstBlock() override;
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NS_IMETHOD LastSelectedBlock(TSDBlockSelectionStatus *aSelStatus, int32_t *aSelOffset, int32_t *aSelLength) override;
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NS_IMETHOD PrevBlock() override;
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NS_IMETHOD NextBlock() override;
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NS_IMETHOD IsDone(bool *aIsDone) override;
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NS_IMETHOD SetSelection(int32_t aOffset, int32_t aLength) override;
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NS_IMETHOD ScrollSelectionIntoView() override;
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NS_IMETHOD DeleteSelection() override;
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NS_IMETHOD InsertText(const nsString *aText) override;
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/* nsIEditActionListener method implementations. */
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NS_IMETHOD WillInsertNode(nsIDOMNode *aNode,
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nsIDOMNode *aParent,
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int32_t aPosition) override;
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NS_IMETHOD DidInsertNode(nsIDOMNode *aNode,
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nsIDOMNode *aParent,
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int32_t aPosition,
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nsresult aResult) override;
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NS_IMETHOD WillDeleteNode(nsIDOMNode *aChild) override;
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NS_IMETHOD DidDeleteNode(nsIDOMNode *aChild, nsresult aResult) override;
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NS_IMETHOD WillSplitNode(nsIDOMNode * aExistingRightNode,
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int32_t aOffset) override;
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NS_IMETHOD DidSplitNode(nsIDOMNode *aExistingRightNode,
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int32_t aOffset,
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nsIDOMNode *aNewLeftNode,
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nsresult aResult) override;
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NS_IMETHOD WillJoinNodes(nsIDOMNode *aLeftNode,
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nsIDOMNode *aRightNode,
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nsIDOMNode *aParent) override;
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NS_IMETHOD DidJoinNodes(nsIDOMNode *aLeftNode,
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nsIDOMNode *aRightNode,
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nsIDOMNode *aParent,
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nsresult aResult) override;
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// these listen methods are unused:
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NS_IMETHOD WillCreateNode(const nsAString& aTag, nsIDOMNode *aParent, int32_t aPosition) override;
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NS_IMETHOD DidCreateNode(const nsAString& aTag, nsIDOMNode *aNode, nsIDOMNode *aParent, int32_t aPosition, nsresult aResult) override;
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NS_IMETHOD WillInsertText(nsIDOMCharacterData *aTextNode, int32_t aOffset, const nsAString &aString) override;
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NS_IMETHOD DidInsertText(nsIDOMCharacterData *aTextNode, int32_t aOffset, const nsAString &aString, nsresult aResult) override;
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NS_IMETHOD WillDeleteText(nsIDOMCharacterData *aTextNode, int32_t aOffset, int32_t aLength) override;
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NS_IMETHOD DidDeleteText(nsIDOMCharacterData *aTextNode, int32_t aOffset, int32_t aLength, nsresult aResult) override;
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NS_IMETHOD WillDeleteSelection(nsISelection *aSelection) override;
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NS_IMETHOD DidDeleteSelection(nsISelection *aSelection) override;
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/* Helper functions */
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static nsresult GetRangeEndPoints(nsRange* aRange, nsIDOMNode** aParent1,
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int32_t* aOffset1, nsIDOMNode** aParent2,
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int32_t* aOffset2);
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static nsresult CreateRange(nsIDOMNode* aStartParent, int32_t aStartOffset,
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nsIDOMNode* aEndParent, int32_t aEndOffset,
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nsRange** aRange);
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private:
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/* nsTextServicesDocument private methods. */
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nsresult CreateContentIterator(nsRange* aRange,
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nsIContentIterator** aIterator);
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nsresult GetDocumentContentRootNode(nsIDOMNode **aNode);
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nsresult CreateDocumentContentRange(nsRange** aRange);
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nsresult CreateDocumentContentRootToNodeOffsetRange(nsIDOMNode* aParent,
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int32_t aOffset,
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bool aToStart,
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nsRange** aRange);
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nsresult CreateDocumentContentIterator(nsIContentIterator **aIterator);
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nsresult AdjustContentIterator();
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static nsresult FirstTextNode(nsIContentIterator *aIterator, TSDIteratorStatus *IteratorStatus);
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static nsresult LastTextNode(nsIContentIterator *aIterator, TSDIteratorStatus *IteratorStatus);
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static nsresult FirstTextNodeInCurrentBlock(nsIContentIterator *aIterator);
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static nsresult FirstTextNodeInPrevBlock(nsIContentIterator *aIterator);
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static nsresult FirstTextNodeInNextBlock(nsIContentIterator *aIterator);
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nsresult GetFirstTextNodeInPrevBlock(nsIContent **aContent);
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nsresult GetFirstTextNodeInNextBlock(nsIContent **aContent);
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static bool IsBlockNode(nsIContent *aContent);
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static bool IsTextNode(nsIContent *aContent);
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static bool IsTextNode(nsIDOMNode *aNode);
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static bool DidSkip(nsIContentIterator* aFilteredIter);
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static void ClearDidSkip(nsIContentIterator* aFilteredIter);
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static bool HasSameBlockNodeParent(nsIContent *aContent1, nsIContent *aContent2);
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nsresult SetSelectionInternal(int32_t aOffset, int32_t aLength, bool aDoUpdate);
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nsresult GetSelection(TSDBlockSelectionStatus *aSelStatus, int32_t *aSelOffset, int32_t *aSelLength);
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nsresult GetCollapsedSelection(TSDBlockSelectionStatus *aSelStatus, int32_t *aSelOffset, int32_t *aSelLength);
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nsresult GetUncollapsedSelection(TSDBlockSelectionStatus *aSelStatus, int32_t *aSelOffset, int32_t *aSelLength);
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bool SelectionIsCollapsed();
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bool SelectionIsValid();
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static nsresult CreateOffsetTable(nsTArray<OffsetEntry*> *aOffsetTable,
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nsIContentIterator *aIterator,
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TSDIteratorStatus *aIteratorStatus,
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nsRange* aIterRange, nsString* aStr);
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static nsresult ClearOffsetTable(nsTArray<OffsetEntry*> *aOffsetTable);
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static nsresult NodeHasOffsetEntry(nsTArray<OffsetEntry*> *aOffsetTable,
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nsIDOMNode *aNode,
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bool *aHasEntry,
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int32_t *aEntryIndex);
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nsresult RemoveInvalidOffsetEntries();
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nsresult SplitOffsetEntry(int32_t aTableIndex, int32_t aOffsetIntoEntry);
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static nsresult FindWordBounds(nsTArray<OffsetEntry*> *offsetTable,
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nsString *blockStr,
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nsIDOMNode *aNode, int32_t aNodeOffset,
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nsIDOMNode **aWordStartNode,
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int32_t *aWordStartOffset,
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nsIDOMNode **aWordEndNode,
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int32_t *aWordEndOffset);
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};
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#endif // nsTextServicesDocument_h__
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