/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company.  For licensing terms and
** conditions see http://www.qt.io/terms-conditions.  For further information
** use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, The Qt Company gives you certain additional
** rights.  These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/


#include "locatorsearchutils.h"

#include <QSet>
#include <QString>
#include <QVariant>

namespace Core {

uint qHash(const LocatorFilterEntry &entry)
{
    if (entry.internalData.canConvert(QVariant::String))
        return QT_PREPEND_NAMESPACE(qHash)(entry.internalData.toString());
    return QT_PREPEND_NAMESPACE(qHash)(entry.internalData.constData());
}

} // namespace Core

void Core::Internal::runSearch(QFutureInterface<Core::LocatorFilterEntry> &future,
                                  QList<ILocatorFilter *> filters, QString searchText)
{
    QSet<LocatorFilterEntry> alreadyAdded;
    const bool checkDuplicates = (filters.size() > 1);
    foreach (ILocatorFilter *filter, filters) {
        if (future.isCanceled())
            break;

        QList<LocatorFilterEntry> filterResults = filter->matchesFor(future, searchText);
        QVector<LocatorFilterEntry> uniqueFilterResults;
        uniqueFilterResults.reserve(filterResults.size());
        foreach (const LocatorFilterEntry &entry, filterResults) {
            if (checkDuplicates && alreadyAdded.contains(entry))
                continue;
            uniqueFilterResults.append(entry);
            if (checkDuplicates)
                alreadyAdded.insert(entry);
        }
        if (!uniqueFilterResults.isEmpty())
            future.reportResults(uniqueFilterResults);
    }
}