| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // Copyright (C) 2020 Intel Corporation. |
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| 3 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 4 | |
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| 5 | #ifndef QSTRINGLITERAL_H |
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| 6 | #define QSTRINGLITERAL_H |
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| 7 | |
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| 8 | #include <QtCore/qarraydata.h> |
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| 9 | #include <QtCore/qarraydatapointer.h> |
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| 10 | |
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| 11 | #if 0 |
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| 12 | #pragma qt_class(QStringLiteral) |
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| 13 | #endif |
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| 14 | |
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| 15 | QT_BEGIN_NAMESPACE |
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| 16 | |
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| 17 | // all our supported compilers support Unicode string literals, |
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| 18 | // even if their Q_COMPILER_UNICODE_STRING has been revoked due |
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| 19 | // to lacking stdlib support. But QStringLiteral only needs the |
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| 20 | // core language feature, so just use u"" here unconditionally: |
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| 21 | |
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| 22 | #define QT_UNICODE_LITERAL(str) u"" str |
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| 23 | |
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| 24 | using QStringPrivate = QArrayDataPointer<char16_t>; |
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| 25 | |
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| 26 | namespace QtPrivate { |
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| 27 | template <qsizetype N> |
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| 28 | static Q_ALWAYS_INLINE QStringPrivate qMakeStringPrivate(const char16_t (&literal)[N]) |
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| 29 | { |
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| 30 | // NOLINTNEXTLINE(cppcoreguidelines-pro-type-const-cast) |
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| 31 | auto str = const_cast<char16_t *>(literal); |
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| 32 | return { nullptr, str, N - 1 }; |
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| 33 | } |
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| 34 | } |
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| 35 | |
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| 36 | #define QStringLiteral(str) \ |
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| 37 | (QString(QtPrivate::qMakeStringPrivate(QT_UNICODE_LITERAL(str)))) \ |
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| 38 | /**/ |
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| 39 | |
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| 40 | |
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| 41 | QT_END_NAMESPACE |
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| 42 | |
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| 43 | #endif // QSTRINGLITERAL_H |
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| 44 | |
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