TextCheckingHelper.h [plain text]
#pragma once
#include "ExceptionOr.h"
#include "SimpleRange.h"
#include "TextChecking.h"
namespace WebCore {
class EditorClient;
class Frame;
class Position;
class TextCheckerClient;
class VisibleSelection;
struct TextCheckingResult;
class TextCheckingParagraph {
public:
explicit TextCheckingParagraph(const SimpleRange& checkingAndAutomaticReplacementRange);
TextCheckingParagraph(const SimpleRange& checkingRange, const SimpleRange& automaticReplacementRange, const Optional<SimpleRange>& paragraphRange);
uint64_t rangeLength() const;
SimpleRange subrange(CharacterRange) const;
ExceptionOr<uint64_t> offsetTo(const Position&) const;
void expandRangeToNextEnd();
StringView text() const;
bool isEmpty() const;
uint64_t checkingStart() const;
uint64_t checkingEnd() const;
uint64_t checkingLength() const;
StringView checkingSubstring() const { return text().substring(checkingStart(), checkingLength()); }
uint64_t automaticReplacementStart() const;
uint64_t automaticReplacementLength() const;
bool checkingRangeMatches(CharacterRange range) const { return range.location == checkingStart() && range.length == checkingLength(); }
bool isCheckingRangeCoveredBy(CharacterRange range) const { return range.location <= checkingStart() && range.location + range.length >= checkingStart() + checkingLength(); }
bool checkingRangeCovers(CharacterRange range) const { return range.location < checkingEnd() && range.location + range.length > checkingStart(); }
const SimpleRange& paragraphRange() const;
private:
void invalidateParagraphRangeValues();
const SimpleRange& offsetAsRange() const;
SimpleRange m_checkingRange;
SimpleRange m_automaticReplacementRange;
mutable Optional<SimpleRange> m_paragraphRange;
mutable Optional<SimpleRange> m_offsetAsRange;
mutable String m_text;
mutable Optional<uint64_t> m_checkingStart;
mutable Optional<uint64_t> m_checkingLength;
mutable Optional<uint64_t> m_automaticReplacementStart;
mutable Optional<uint64_t> m_automaticReplacementLength;
};
class TextCheckingHelper {
public:
TextCheckingHelper(EditorClient&, const SimpleRange&);
struct MisspelledWord {
String word;
uint64_t offset { 0 };
};
struct UngrammaticalPhrase {
String phrase;
uint64_t offset { 0 };
GrammarDetail detail;
};
MisspelledWord findFirstMisspelledWord() const;
UngrammaticalPhrase findFirstUngrammaticalPhrase() const;
Variant<MisspelledWord, UngrammaticalPhrase> findFirstMisspelledWordOrUngrammaticalPhrase(bool checkGrammar) const;
Optional<SimpleRange> markAllMisspelledWords() const; void markAllUngrammaticalPhrases() const;
TextCheckingGuesses guessesForMisspelledWordOrUngrammaticalPhrase(bool checkGrammar) const;
private:
enum class Operation : bool { FindFirst, MarkAll };
std::pair<MisspelledWord, Optional<SimpleRange>> findMisspelledWords(Operation) const; UngrammaticalPhrase findUngrammaticalPhrases(Operation) const; bool unifiedTextCheckerEnabled() const;
int findUngrammaticalPhrases(Operation, const Vector<GrammarDetail>&, uint64_t badGrammarPhraseLocation, uint64_t startOffset, uint64_t endOffset) const;
EditorClient& m_client;
SimpleRange m_range;
};
void checkTextOfParagraph(TextCheckerClient&, StringView, OptionSet<TextCheckingType>, Vector<TextCheckingResult>&, const VisibleSelection& currentSelection);
bool unifiedTextCheckerEnabled(const Frame*);
bool platformDrivenTextCheckerEnabled();
}