text: /****************************************************************************
  **
  ** Copyright (C) 2015 The Qt Company Ltd.
  ** Contact: http://www.qt.io/licensing/
  **
  ** This file is part of the Qt Assistant of the Qt Toolkit.
  **
  ** $QT_BEGIN_LICENSE:LGPL21$
  ** 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
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  ** 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
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  **
  ** 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.
  **
  ** $QT_END_LICENSE$
  **
  ****************************************************************************/
  
  #include "qhelpsearchindexreader_p.h"
  
  QT_BEGIN_NAMESPACE
  
  namespace fulltextsearch {
  
  QHelpSearchIndexReader::QHelpSearchIndexReader()
      : QThread()
      , m_cancel(false)
  {
      // nothing todo
  }
  
  QHelpSearchIndexReader::~QHelpSearchIndexReader()
  {
      mutex.lock();
      this->m_cancel = true;
      mutex.unlock();
  
      wait();
  }
  
  void QHelpSearchIndexReader::cancelSearching()
  {
      mutex.lock();
      this->m_cancel = true;
      mutex.unlock();
  }
  
  void QHelpSearchIndexReader::search(const QString &collectionFile, const QString &indexFilesFolder,
      const QList<QHelpSearchQuery> &queryList)
  {
      wait();
  
      this->hitList.clear();
      this->m_cancel = false;
      this->m_query = queryList;
      this->m_collectionFile = collectionFile;
      this->m_indexFilesFolder = indexFilesFolder;
  
      start(QThread::NormalPriority);
  }
  
  int QHelpSearchIndexReader::hitCount() const
  {
      QMutexLocker lock(&mutex);
      return hitList.count();
  }
  
  QList<QHelpSearchEngine::SearchHit> QHelpSearchIndexReader::hits(int start,
                                                                   int end) const
  {
      QList<QHelpSearchEngine::SearchHit> hits;
      QMutexLocker lock(&mutex);
      for (int i = start; i < end && i < hitList.count(); ++i)
          hits.append(hitList.at(i));
      return hits;
  }
  
  
  }   // namespace fulltextsearch
  
  QT_END_NAMESPACE
  