goldendict-ng/qt4x5.hh

169 lines
2.9 KiB
C++

/* Thin wrappers for retaining compatibility for both Qt4.x and Qt5.x */
#ifndef QT4X5_HH
#define QT4X5_HH
#if QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
# define IS_QT_5 0
#else
# define IS_QT_5 1
#endif
#include <QString>
#include <QAtomicInt>
#include <QTextDocument>
#include <QUrl>
#if IS_QT_5
#include <QUrlQuery>
#endif
namespace Qt4x5
{
inline QString escape( QString const & plain )
{
#if IS_QT_5
return plain.toHtmlEscaped();
#else
return Qt::escape( plain );
#endif
}
namespace AtomicInt
{
inline int loadAcquire( QAtomicInt const & ref )
{
#if IS_QT_5
return ref.loadAcquire();
#else
return ( int )ref;
#endif
}
}
namespace Url
{
// This wrapper is created due to behavior change of the setPath() method
// See: https://bugreports.qt-project.org/browse/QTBUG-27728
// https://codereview.qt-project.org/#change,38257
inline QString ensureLeadingSlash( const QString & path )
{
#if IS_QT_5
QLatin1Char slash( '/' );
if ( path.startsWith( slash ) )
return path;
return slash + path;
#else
return path;
#endif
}
inline bool hasQueryItem( QUrl const & url, QString const & key )
{
#if IS_QT_5
return QUrlQuery( url ).hasQueryItem( key );
#else
return url.hasQueryItem( key );
#endif
}
inline QString queryItemValue( QUrl const & url, QString const & item )
{
#if IS_QT_5
return QUrlQuery( url ).queryItemValue( item, QUrl::FullyDecoded );
#else
return url.queryItemValue( item );
#endif
}
inline QByteArray encodedQueryItemValue( QUrl const & url, QString const & item )
{
#if IS_QT_5
return QUrlQuery( url ).queryItemValue( item, QUrl::FullyEncoded ).toLatin1();
#else
return url.encodedQueryItemValue( item.toLatin1() );
#endif
}
inline void addQueryItem( QUrl & url, QString const & key, QString const & value )
{
#if IS_QT_5
QUrlQuery urlQuery( url );
urlQuery.addQueryItem( key, value );
url.setQuery( urlQuery );
#else
url.addQueryItem( key, value );
#endif
}
inline void removeQueryItem( QUrl & url, QString const & key )
{
#if IS_QT_5
QUrlQuery urlQuery( url );
urlQuery.removeQueryItem( key );
url.setQuery( urlQuery );
#else
url.removeQueryItem( key );
#endif
}
inline void setQueryItems( QUrl & url, QList< QPair< QString, QString > > const & query )
{
#if IS_QT_5
QUrlQuery urlQuery( url );
urlQuery.setQueryItems( query );
url.setQuery( urlQuery );
#else
url.setQueryItems( query );
#endif
}
inline QString path( QUrl const & url )
{
#if IS_QT_5
return url.path( QUrl::FullyDecoded );
#else
return url.path();
#endif
}
inline void setFragment( QUrl & url, const QString & fragment )
{
#if IS_QT_5
url.setFragment( fragment, QUrl::DecodedMode );
#else
url.setFragment( fragment );
#endif
}
inline QString fragment( const QUrl & url )
{
#if IS_QT_5
return url.fragment( QUrl::FullyDecoded );
#else
return url.fragment();
#endif
}
}
namespace Dom
{
#if IS_QT_5
typedef int size_type;
#else
typedef uint size_type;
#endif
}
}
#endif // QT4X5_HH