| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #ifndef QHELPSEARCHINDEXWRITERDEFAULT_H |
| 5 | #define QHELPSEARCHINDEXWRITERDEFAULT_H |
| 6 | |
| 7 | // |
| 8 | // W A R N I N G |
| 9 | // ------------- |
| 10 | // |
| 11 | // This file is not part of the Qt API. It exists for the convenience |
| 12 | // of the help generator tools. This header file may change from version |
| 13 | // to version without notice, or even be removed. |
| 14 | // |
| 15 | // We mean it. |
| 16 | // |
| 17 | |
| 18 | #include <QtCore/QMutex> |
| 19 | #include <QtCore/QThread> |
| 20 | |
| 21 | QT_FORWARD_DECLARE_CLASS(QSqlDatabase) |
| 22 | |
| 23 | QT_BEGIN_NAMESPACE |
| 24 | |
| 25 | namespace fulltextsearch { |
| 26 | namespace qt { |
| 27 | |
| 28 | class Writer |
| 29 | { |
| 30 | public: |
| 31 | Q_DISABLE_COPY_MOVE(Writer); |
| 32 | |
| 33 | Writer(const QString &path); |
| 34 | ~Writer(); |
| 35 | |
| 36 | bool tryInit(bool reindex); |
| 37 | void flush(); |
| 38 | |
| 39 | void removeNamespace(const QString &namespaceName); |
| 40 | bool hasNamespace(const QString &namespaceName); |
| 41 | void insertDoc(const QString &namespaceName, |
| 42 | const QString &attributes, |
| 43 | const QString &url, |
| 44 | const QString &title, |
| 45 | const QString &contents); |
| 46 | void startTransaction(); |
| 47 | void endTransaction(); |
| 48 | private: |
| 49 | void init(bool reindex); |
| 50 | bool hasDB(); |
| 51 | void clearLegacyIndex(); |
| 52 | |
| 53 | const QString m_dbDir; |
| 54 | QString m_uniqueId; |
| 55 | |
| 56 | bool m_needOptimize = false; |
| 57 | QSqlDatabase *m_db = nullptr; |
| 58 | QVariantList m_namespaces; |
| 59 | QVariantList m_attributes; |
| 60 | QVariantList m_urls; |
| 61 | QVariantList m_titles; |
| 62 | QVariantList m_contents; |
| 63 | }; |
| 64 | |
| 65 | |
| 66 | class QHelpSearchIndexWriter : public QThread |
| 67 | { |
| 68 | Q_OBJECT |
| 69 | |
| 70 | public: |
| 71 | QHelpSearchIndexWriter(); |
| 72 | ~QHelpSearchIndexWriter() override; |
| 73 | |
| 74 | void cancelIndexing(); |
| 75 | void updateIndex(const QString &collectionFile, |
| 76 | const QString &indexFilesFolder, bool reindex); |
| 77 | |
| 78 | signals: |
| 79 | void indexingStarted(); |
| 80 | void indexingFinished(); |
| 81 | |
| 82 | private: |
| 83 | void run() override; |
| 84 | |
| 85 | private: |
| 86 | QMutex m_mutex; |
| 87 | |
| 88 | bool m_cancel; |
| 89 | bool m_reindex; |
| 90 | QString m_collectionFile; |
| 91 | QString m_indexFilesFolder; |
| 92 | }; |
| 93 | |
| 94 | } // namespace std |
| 95 | } // namespace fulltextsearch |
| 96 | |
| 97 | QT_END_NAMESPACE |
| 98 | |
| 99 | #endif // QHELPSEARCHINDEXWRITERDEFAULT_H |
| 100 |