| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Virtual Keyboard module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
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| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 3 or (at your option) any later version |
| ** approved by the KDE Free Qt Foundation. The licenses are as published by |
| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef HUNSPELLWORKER_P_H |
| #define HUNSPELLWORKER_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QThread> |
| #include <QSemaphore> |
| #include <QMutex> |
| #include <QStringList> |
| #include <QSharedPointer> |
| #include <QVector> |
| #include <QLoggingCategory> |
| #include <hunspell/hunspell.h> |
| #include <QtHunspellInputMethod/qhunspellinputmethod_global.h> |
| |
| QT_BEGIN_NAMESPACE |
| class QTextCodec; |
| |
| namespace QtVirtualKeyboard { |
| |
| Q_DECLARE_LOGGING_CATEGORY(lcHunspell) |
| |
| class QHUNSPELLINPUTMETHOD_EXPORT HunspellWordList |
| { |
| public: |
| enum Flag |
| { |
| SpellCheckOk = 0x1, |
| CompoundWord = 0x2 |
| }; |
| Q_DECLARE_FLAGS(Flags, Flag) |
| |
| HunspellWordList(int limit = 0); |
| HunspellWordList(HunspellWordList &other); |
| |
| HunspellWordList &operator=(HunspellWordList &other); |
| |
| int index() const; |
| void setIndex(int index); |
| bool clear(); |
| bool clearSuggestions(); |
| bool hasSuggestions() const; |
| int size() const; |
| int isEmpty() const; |
| bool contains(const QString &word); |
| QString findWordCompletion(const QString &word); |
| int indexOfWord(const QString &word); |
| QString wordAt(int index); |
| void wordAt(int index, QString &word, Flags &flags); |
| const Flags &wordFlagsAt(int index); |
| void appendWord(const QString &word, const Flags &flags = Flags()); |
| void insertWord(int index, const QString &word, const Flags &flags = Flags()); |
| void updateWord(int index, const QString &word, const Flags &flags = Flags()); |
| void moveWord(int from, int to); |
| int removeWord(const QString &word); |
| void removeWordAt(int index); |
| void rebuildSearchIndex(); |
| |
| private: |
| class SearchContext { |
| public: |
| SearchContext(const QString &word, |
| const QStringList &list) : |
| word(word), |
| list(list) |
| {} |
| const QString &word; |
| const QStringList &list; |
| }; |
| |
| private: |
| QMutex _lock; |
| QStringList _list; |
| QVector<Flags> _flags; |
| QVector<int> _searchIndex; |
| int _index; |
| int _limit; |
| }; |
| |
| class HunspellTask : public QObject |
| { |
| Q_OBJECT |
| public: |
| explicit HunspellTask(QObject *parent = nullptr) : |
| QObject(parent), |
| hunspell(nullptr) |
| {} |
| |
| virtual void run() = 0; |
| |
| Hunhandle *hunspell; |
| }; |
| |
| class HunspellLoadDictionaryTask : public HunspellTask |
| { |
| Q_OBJECT |
| public: |
| explicit HunspellLoadDictionaryTask(const QString &locale, const QStringList &searchPaths); |
| |
| void run(); |
| |
| signals: |
| void completed(bool success); |
| |
| public: |
| Hunhandle **hunspellPtr; |
| const QString locale; |
| const QStringList searchPaths; |
| }; |
| |
| class HunspellBuildSuggestionsTask : public HunspellTask |
| { |
| Q_OBJECT |
| const QTextCodec *textCodec; |
| public: |
| QSharedPointer<HunspellWordList> wordList; |
| bool autoCorrect; |
| |
| void run(); |
| bool spellCheck(const QString &word); |
| int levenshteinDistance(const QString &s, const QString &t); |
| QString removeAccentsAndDiacritics(const QString& s); |
| }; |
| |
| class HunspellUpdateSuggestionsTask : public HunspellTask |
| { |
| Q_OBJECT |
| public: |
| QSharedPointer<HunspellWordList> wordList; |
| |
| void run(); |
| |
| signals: |
| void updateSuggestions(const QSharedPointer<HunspellWordList> &wordList, int tag); |
| |
| public: |
| int tag; |
| }; |
| |
| class HunspellAddWordTask : public HunspellTask |
| { |
| Q_OBJECT |
| public: |
| QSharedPointer<HunspellWordList> wordList; |
| |
| void run(); |
| |
| static bool alternativeForm(const QString &word, QString &alternativeForm); |
| }; |
| |
| class HunspellRemoveWordTask : public HunspellTask |
| { |
| Q_OBJECT |
| public: |
| QSharedPointer<HunspellWordList> wordList; |
| |
| void run(); |
| }; |
| |
| class HunspellLoadWordListTask : public HunspellTask |
| { |
| Q_OBJECT |
| public: |
| QSharedPointer<HunspellWordList> wordList; |
| QString filePath; |
| |
| void run(); |
| }; |
| |
| class HunspellSaveWordListTask : public HunspellTask |
| { |
| Q_OBJECT |
| public: |
| QSharedPointer<HunspellWordList> wordList; |
| QString filePath; |
| |
| void run(); |
| }; |
| |
| class HunspellFilterWordTask : public HunspellTask |
| { |
| Q_OBJECT |
| public: |
| HunspellFilterWordTask() : |
| HunspellTask(), |
| startIndex(1) |
| {} |
| |
| QSharedPointer<HunspellWordList> wordList; |
| QSharedPointer<HunspellWordList> filterList; |
| int startIndex; |
| |
| void run(); |
| }; |
| |
| class HunspellBoostWordTask : public HunspellTask |
| { |
| Q_OBJECT |
| public: |
| HunspellBoostWordTask() : |
| HunspellTask() |
| {} |
| |
| QSharedPointer<HunspellWordList> wordList; |
| QSharedPointer<HunspellWordList> boostList; |
| |
| void run(); |
| }; |
| |
| class HunspellWorker : public QThread |
| { |
| Q_OBJECT |
| public: |
| explicit HunspellWorker(QObject *parent = nullptr); |
| ~HunspellWorker(); |
| |
| void addTask(QSharedPointer<HunspellTask> task); |
| void removeAllTasks(); |
| void waitForAllTasks(); |
| |
| template <class X> |
| void removeAllTasksOfType() { |
| QMutexLocker guard(&taskLock); |
| for (int i = 0; i < taskList.size();) { |
| QSharedPointer<X> task(taskList[i].objectCast<X>()); |
| if (task) { |
| qCDebug(lcHunspell) << "Remove task" << QLatin1String(task->metaObject()->className()); |
| taskList.removeAt(i); |
| } else { |
| i++; |
| } |
| } |
| } |
| |
| protected: |
| void run(); |
| |
| private: |
| void createHunspell(); |
| |
| private: |
| friend class HunspellLoadDictionaryTask; |
| QList<QSharedPointer<HunspellTask> > taskList; |
| QSemaphore idleSema; |
| QSemaphore taskSema; |
| QMutex taskLock; |
| Hunhandle *hunspell; |
| QBasicAtomicInt abort; |
| }; |
| |
| } // namespace QtVirtualKeyboard |
| QT_END_NAMESPACE |
| |
| Q_DECLARE_METATYPE(QSharedPointer<QT_PREPEND_NAMESPACE(QtVirtualKeyboard)::HunspellWordList>); |
| |
| #endif // HUNSPELLWORKER_P_H |