forked from mirrors/gecko-dev
00867c4809
Differential Revision: https://phabricator.services.mozilla.com/D51841 --HG-- extra : moz-landing-system : lando
70 lines
2 KiB
C++
70 lines
2 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 "nsINode.h"
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#include "mozilla/intl/WordBreaker.h"
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class nsIContent;
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class nsRange;
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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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{ \
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0x471f4944, 0x1dd2, 0x11b2, { \
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0x87, 0xac, 0x90, 0xbe, 0x0a, 0x51, 0xd6, 0x09 \
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} \
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}
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class nsFindContentIterator;
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class nsFind : public nsIFind {
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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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bool mFindBackward;
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bool mCaseSensitive;
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bool mMatchDiacritics;
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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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RefPtr<mozilla::intl::WordBreaker> mWordBreaker;
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struct State;
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class StateRestorer;
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// Extract a character from a string, handling surrogate pairs and
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// incrementing the index if a surrogate pair is encountered
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char32_t DecodeChar(const char16_t* t2b, int32_t* index) const;
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// Determine if a line break can occur between two characters
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//
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// This could be improved because some languages require more context than two
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// characters to determine where line breaks can occur
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bool BreakInBetween(char32_t x, char32_t y) const;
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// Get the first character from the next node (last if mFindBackward).
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//
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// This will mutate the state, but then restore it afterwards.
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char32_t PeekNextChar(State&) const;
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};
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#endif // nsFind_h__
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