79 lines
1.8 KiB
C++
79 lines
1.8 KiB
C++
#ifndef QT_UTILITIES_COMPAT_H
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#define QT_UTILITIES_COMPAT_H
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#include "../global.h"
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#include <QtGlobal>
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#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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#define QT_UTILITIES_USE_Q_STRING_VIEW
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#endif
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// note: QStringView has been available since Qt 5.10 but for a consistent ABI/API regardless which
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// Qt 5.x version is used it makes sense to stick to QStringRef when using Qt 5.
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#ifdef QT_UTILITIES_USE_Q_STRING_VIEW
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#include <QStringView>
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#else
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#include <QStringRef>
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#endif
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namespace QtUtilities {
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using Utf16CharType =
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#if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
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char16_t
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#else
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ushort
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#endif
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;
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using StringView =
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#ifdef QT_UTILITIES_USE_Q_STRING_VIEW
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QStringView
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#else
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QStringRef
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#endif
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;
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/*!
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* \brief Makes either a QStringView or a QStringRef depending on the Qt version.
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*/
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inline StringView makeStringView(const QString &str)
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{
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return StringView(
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#ifndef QT_UTILITIES_USE_Q_STRING_VIEW
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&
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#endif
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str);
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}
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/*!
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* \brief Makes either a QStringView or a QStringRef depending on the Qt version, applying "mid()" parameters.
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*/
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inline StringView midRef(const QString &str, int pos, int n = -1)
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{
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#ifdef QT_UTILITIES_USE_Q_STRING_VIEW
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return QStringView(str).mid(pos, n);
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#else
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return str.midRef(pos, n);
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#endif
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}
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/*!
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* \brief Splits \a str into QStringViews, QStringRefs or QStrings depending on the Qt version.
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*/
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template <class... SplitArgs> inline auto splitRef(const QString &str, SplitArgs &&... args)
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{
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#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
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return QStringView(str).split(std::forward<SplitArgs>(args)...);
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#elif QT_VERSION >= QT_VERSION_CHECK(5, 4, 0)
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return str.splitRef(std::forward<SplitArgs>(args)...);
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#else
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return str.split(std::forward<SplitArgs>(args)...);
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#endif
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}
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} // namespace QtUtilities
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#endif // QT_UTILITIES_COMPAT_H
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