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#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