qhelpsearchengine.h

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QHELPSEARCHENGINE_H
#define QHELPSEARCHENGINE_H
 
#include <QtHelp/qhelp_global.h>
#include <QtHelp/qhelpsearchresult.h>
 
#include <QtCore/qobject.h>
#include <QtCore/qshareddata.h>
#include <QtCore/qstringlist.h>
 
QT_BEGIN_NAMESPACE
 
class QHelpEngineCore;
class QHelpSearchEnginePrivate;
class QHelpSearchQueryWidget;
class QHelpSearchResultWidget;
 
#if QT_DEPRECATED_SINCE(6, 7)
class QHELP_EXPORT QHelpSearchQuery
{
public:
    enum FieldName { DEFAULT = 0, FUZZY, WITHOUT, PHRASE, ALL, ATLEAST };
 
    QT_DEPRECATED_VERSION_X_6_7("Use QString instead")
    QHelpSearchQuery()
        : fieldName(DEFAULT) { wordList.clear(); }
    QT_DEPRECATED_VERSION_X_6_7("Use QString instead")
    QHelpSearchQuery(FieldName field, const QStringList &wordList_)
        : fieldName(field), wordList(wordList_) {}
 
    FieldName fieldName;
    QStringList wordList;
};
#endif // QT_DEPRECATED_SINCE(6, 7)
 
class QHELP_EXPORT QHelpSearchEngine : public QObject
{
    Q_OBJECT
 
public:
    explicit QHelpSearchEngine(QHelpEngineCore *helpEngine, QObject *parent = nullptr);
    ~QHelpSearchEngine();
 
    QHelpSearchQueryWidget *queryWidget();
    QHelpSearchResultWidget *resultWidget();
 
#if QT_DEPRECATED_SINCE(5, 9)
    typedef QPair<QString, QString> SearchHit;
 
    QT_DEPRECATED int hitsCount() const;
    QT_DEPRECATED int hitCount() const;
    QT_DEPRECATED QList<SearchHit> hits(int start, int end) const;
    QT_DEPRECATED QList<QHelpSearchQuery> query() const;
#endif
 
    int searchResultCount() const;
    QList<QHelpSearchResult> searchResults(int start, int end) const;
    QString searchInput() const;
 
public Q_SLOTS:
    void reindexDocumentation();
    void cancelIndexing();
 
#if QT_DEPRECATED_SINCE(5, 9)
    QT_DEPRECATED void search(const QList<QHelpSearchQuery> &queryList);
#endif
 
    void search(const QString &searchInput);
    void cancelSearching();
 
    void scheduleIndexDocumentation();
 
Q_SIGNALS:
    void indexingStarted();
    void indexingFinished();
 
    void searchingStarted();
    void searchingFinished(int searchResultCount);
 
private Q_SLOTS:
    void indexDocumentation();
 
private:
    QHelpSearchEnginePrivate *d;
};
 
QT_END_NAMESPACE
 
#endif // QHELPSEARCHENGINE_H