зеркало из https://github.com/mozilla/gecko-dev.git
84 строки
2.4 KiB
C++
84 строки
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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 nsFind_h__
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#define nsFind_h__
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#include "nsIFind.h"
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#include "nsCOMPtr.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsIDOMNode.h"
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#include "nsIDOMRange.h"
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#include "nsIContentIterator.h"
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#include "nsIWordBreaker.h"
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class nsIContent;
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#define NS_FIND_CONTRACTID "@mozilla.org/embedcomp/rangefind;1"
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#define NS_FIND_CID \
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{0x471f4944, 0x1dd2, 0x11b2, {0x87, 0xac, 0x90, 0xbe, 0x0a, 0x51, 0xd6, 0x09}}
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class nsFindContentIterator;
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class nsFind : public nsIFind
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{
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_NSIFIND
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NS_DECL_CYCLE_COLLECTION_CLASS(nsFind)
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nsFind();
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protected:
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virtual ~nsFind();
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// Parameters set from the interface:
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//nsCOMPtr<nsIDOMRange> mRange; // search only in this range
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bool mFindBackward;
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bool mCaseSensitive;
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// Use "find entire words" mode by setting to a word breaker or null, to
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// disable "entire words" mode.
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nsCOMPtr<nsIWordBreaker> mWordBreaker;
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int32_t mIterOffset;
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nsCOMPtr<nsIDOMNode> mIterNode;
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// Last block parent, so that we will notice crossing block boundaries:
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nsCOMPtr<nsIDOMNode> mLastBlockParent;
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nsresult GetBlockParent(nsIDOMNode* aNode, nsIDOMNode** aParent);
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// Utility routines:
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bool IsTextNode(nsIDOMNode* aNode);
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bool IsBlockNode(nsIContent* aNode);
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bool SkipNode(nsIContent* aNode);
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bool IsVisibleNode(nsIDOMNode* aNode);
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// Move in the right direction for our search:
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nsresult NextNode(nsIDOMRange* aSearchRange,
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nsIDOMRange* aStartPoint, nsIDOMRange* aEndPoint,
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bool aContinueOk);
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// Get the first character from the next node (last if mFindBackward).
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char16_t PeekNextChar(nsIDOMRange* aSearchRange,
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nsIDOMRange* aStartPoint,
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nsIDOMRange* aEndPoint);
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// Reset variables before returning -- don't hold any references.
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void ResetAll();
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// The iterator we use to move through the document:
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nsresult InitIterator(nsIDOMNode* aStartNode, int32_t aStartOffset,
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nsIDOMNode* aEndNode, int32_t aEndOffset);
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RefPtr<nsFindContentIterator> mIterator;
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friend class PeekNextCharRestoreState;
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};
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#endif // nsFind_h__
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