goldendict-ng/src/ftshelpers.hh

81 lines
1.7 KiB
C++

#ifndef __FTSHELPERS_HH_INCLUDED__
#define __FTSHELPERS_HH_INCLUDED__
#include <QString>
#if ( QT_VERSION >= QT_VERSION_CHECK( 6, 0, 0 ) )
#include <QtCore5Compat/QRegExp>
#else
#include <QRegExp>
#endif
#include <QList>
#include <QtConcurrent>
#include "dict/dictionary.hh"
#include "btreeidx.hh"
#include "fulltextsearch.hh"
#include "folding.hh"
#include "wstring_qt.hh"
namespace FtsHelpers {
bool ftsIndexIsOldOrBad( BtreeIndexing::BtreeDictionary * dict );
void makeFTSIndex( BtreeIndexing::BtreeDictionary * dict, QAtomicInt & isCancelled );
class FTSResultsRequest: public Dictionary::DataRequest
{
BtreeIndexing::BtreeDictionary & dict;
QString searchString;
int searchMode;
bool matchCase;
QAtomicInt isCancelled;
QAtomicInt results;
QFuture< void > f;
QList< FTS::FtsHeadword > * foundHeadwords;
public:
FTSResultsRequest( BtreeIndexing::BtreeDictionary & dict_,
QString const & searchString_,
int searchMode_,
bool matchCase_,
bool ignoreDiacritics_ ):
dict( dict_ ),
searchString( searchString_ ),
searchMode( searchMode_ ),
matchCase( matchCase_ )
{
if ( ignoreDiacritics_ )
searchString =
QString::fromStdU32String( Folding::applyDiacriticsOnly( gd::removeTrailingZero( searchString_ ) ) );
foundHeadwords = new QList< FTS::FtsHeadword >;
results = 0;
f = QtConcurrent::run( [ this ]() {
this->run();
} );
}
void run();
virtual void cancel()
{
isCancelled.ref();
}
~FTSResultsRequest()
{
isCancelled.ref();
f.waitForFinished();
delete foundHeadwords;
}
};
} // namespace FtsHelpers
#endif // __FTSHELPERS_HH_INCLUDED__