121 lines
4.6 KiB
C++
121 lines
4.6 KiB
C++
/*
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* Copyright (C) 2006-2020 Apple Inc. All rights reserved.
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* Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#pragma once
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#include "ExceptionOr.h"
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#include "SimpleRange.h"
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#include "TextChecking.h"
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namespace WebCore {
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class EditorClient;
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class Frame;
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class Position;
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class TextCheckerClient;
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class VisibleSelection;
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struct TextCheckingResult;
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// FIXME: Should move this class to its own header.
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class TextCheckingParagraph {
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public:
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explicit TextCheckingParagraph(const SimpleRange& checkingAndAutomaticReplacementRange);
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TextCheckingParagraph(const SimpleRange& checkingRange, const SimpleRange& automaticReplacementRange, const std::optional<SimpleRange>& paragraphRange);
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uint64_t rangeLength() const;
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SimpleRange subrange(CharacterRange) const;
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ExceptionOr<uint64_t> offsetTo(const Position&) const;
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void expandRangeToNextEnd();
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StringView text() const;
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bool isEmpty() const;
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uint64_t checkingStart() const;
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uint64_t checkingEnd() const;
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uint64_t checkingLength() const;
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StringView checkingSubstring() const { return text().substring(checkingStart(), checkingLength()); }
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uint64_t automaticReplacementStart() const;
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uint64_t automaticReplacementLength() const;
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bool checkingRangeMatches(CharacterRange range) const { return range.location == checkingStart() && range.length == checkingLength(); }
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bool isCheckingRangeCoveredBy(CharacterRange range) const { return range.location <= checkingStart() && range.location + range.length >= checkingStart() + checkingLength(); }
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bool checkingRangeCovers(CharacterRange range) const { return range.location < checkingEnd() && range.location + range.length > checkingStart(); }
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const SimpleRange& paragraphRange() const;
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private:
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void invalidateParagraphRangeValues();
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const SimpleRange& offsetAsRange() const;
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SimpleRange m_checkingRange;
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SimpleRange m_automaticReplacementRange;
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mutable std::optional<SimpleRange> m_paragraphRange;
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mutable std::optional<SimpleRange> m_offsetAsRange;
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mutable String m_text;
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mutable std::optional<uint64_t> m_checkingStart;
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mutable std::optional<uint64_t> m_checkingLength;
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mutable std::optional<uint64_t> m_automaticReplacementStart;
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mutable std::optional<uint64_t> m_automaticReplacementLength;
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};
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class TextCheckingHelper {
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public:
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TextCheckingHelper(EditorClient&, const SimpleRange&);
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struct MisspelledWord {
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String word;
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uint64_t offset { 0 };
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};
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struct UngrammaticalPhrase {
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String phrase;
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uint64_t offset { 0 };
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GrammarDetail detail;
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};
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MisspelledWord findFirstMisspelledWord() const;
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UngrammaticalPhrase findFirstUngrammaticalPhrase() const;
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Variant<MisspelledWord, UngrammaticalPhrase> findFirstMisspelledWordOrUngrammaticalPhrase(bool checkGrammar) const;
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std::optional<SimpleRange> markAllMisspelledWords() const; // Returns the range of the first misspelled word.
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void markAllUngrammaticalPhrases() const;
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TextCheckingGuesses guessesForMisspelledWordOrUngrammaticalPhrase(bool checkGrammar) const;
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private:
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enum class Operation : bool { FindFirst, MarkAll };
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std::pair<MisspelledWord, std::optional<SimpleRange>> findMisspelledWords(Operation) const; // Returns the first.
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UngrammaticalPhrase findUngrammaticalPhrases(Operation) const; // Returns the first.
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bool unifiedTextCheckerEnabled() const;
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int findUngrammaticalPhrases(Operation, const Vector<GrammarDetail>&, uint64_t badGrammarPhraseLocation, uint64_t startOffset, uint64_t endOffset) const;
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EditorClient& m_client;
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SimpleRange m_range;
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};
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void checkTextOfParagraph(TextCheckerClient&, StringView, OptionSet<TextCheckingType>, Vector<TextCheckingResult>&, const VisibleSelection& currentSelection);
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bool unifiedTextCheckerEnabled(const Frame*);
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bool platformDrivenTextCheckerEnabled();
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} // namespace WebCore
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