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Diffstat (limited to 'embedding/components/find/nsFind.h')
-rw-r--r-- | embedding/components/find/nsFind.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/embedding/components/find/nsFind.h b/embedding/components/find/nsFind.h new file mode 100644 index 000000000..7f588f187 --- /dev/null +++ b/embedding/components/find/nsFind.h @@ -0,0 +1,83 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef nsFind_h__ +#define nsFind_h__ + +#include "nsIFind.h" + +#include "nsCOMPtr.h" +#include "nsCycleCollectionParticipant.h" +#include "nsIDOMNode.h" +#include "nsIDOMRange.h" +#include "nsIContentIterator.h" +#include "nsIWordBreaker.h" + +class nsIContent; + +#define NS_FIND_CONTRACTID "@mozilla.org/embedcomp/rangefind;1" + +#define NS_FIND_CID \ + {0x471f4944, 0x1dd2, 0x11b2, {0x87, 0xac, 0x90, 0xbe, 0x0a, 0x51, 0xd6, 0x09}} + +class nsFindContentIterator; + +class nsFind : public nsIFind +{ +public: + NS_DECL_CYCLE_COLLECTING_ISUPPORTS + NS_DECL_NSIFIND + NS_DECL_CYCLE_COLLECTION_CLASS(nsFind) + + nsFind(); + +protected: + virtual ~nsFind(); + + // Parameters set from the interface: + //nsCOMPtr<nsIDOMRange> mRange; // search only in this range + bool mFindBackward; + bool mCaseSensitive; + + // Use "find entire words" mode by setting to a word breaker or null, to + // disable "entire words" mode. + nsCOMPtr<nsIWordBreaker> mWordBreaker; + + int32_t mIterOffset; + nsCOMPtr<nsIDOMNode> mIterNode; + + // Last block parent, so that we will notice crossing block boundaries: + nsCOMPtr<nsIDOMNode> mLastBlockParent; + nsresult GetBlockParent(nsIDOMNode* aNode, nsIDOMNode** aParent); + + // Utility routines: + bool IsTextNode(nsIDOMNode* aNode); + bool IsBlockNode(nsIContent* aNode); + bool SkipNode(nsIContent* aNode); + bool IsVisibleNode(nsIDOMNode* aNode); + + // Move in the right direction for our search: + nsresult NextNode(nsIDOMRange* aSearchRange, + nsIDOMRange* aStartPoint, nsIDOMRange* aEndPoint, + bool aContinueOk); + + // Get the first character from the next node (last if mFindBackward). + char16_t PeekNextChar(nsIDOMRange* aSearchRange, + nsIDOMRange* aStartPoint, + nsIDOMRange* aEndPoint); + + // Reset variables before returning -- don't hold any references. + void ResetAll(); + + // The iterator we use to move through the document: + nsresult InitIterator(nsIDOMNode* aStartNode, int32_t aStartOffset, + nsIDOMNode* aEndNode, int32_t aEndOffset); + RefPtr<nsFindContentIterator> mIterator; + + friend class PeekNextCharRestoreState; +}; + +#endif // nsFind_h__ |