diff options
Diffstat (limited to 'src/corelib/tools/qstringview.h')
| -rw-r--r-- | src/corelib/tools/qstringview.h | 84 |
1 files changed, 42 insertions, 42 deletions
diff --git a/src/corelib/tools/qstringview.h b/src/corelib/tools/qstringview.h index 4a900b5e89..5b6d63b71c 100644 --- a/src/corelib/tools/qstringview.h +++ b/src/corelib/tools/qstringview.h @@ -139,13 +139,13 @@ private: using if_compatible_qstring_like = typename std::enable_if<std::is_same<T, QString>::value || std::is_same<T, QStringRef>::value, bool>::type; template <typename Char, size_t N> - static Q_DECL_CONSTEXPR qsizetype lengthHelperArray(const Char (&)[N]) Q_DECL_NOTHROW + static Q_DECL_CONSTEXPR qsizetype lengthHelperArray(const Char (&)[N]) noexcept { return qsizetype(N - 1); } template <typename Char> - static qsizetype lengthHelperPointer(const Char *str) Q_DECL_NOTHROW + static qsizetype lengthHelperPointer(const Char *str) noexcept { #if defined(Q_CC_GNU) && !defined(Q_CC_CLANG) && !defined(Q_CC_INTEL) if (__builtin_constant_p(*str)) { @@ -157,21 +157,21 @@ private: #endif return QtPrivate::qustrlen(reinterpret_cast<const ushort *>(str)); } - static qsizetype lengthHelperPointer(const QChar *str) Q_DECL_NOTHROW + static qsizetype lengthHelperPointer(const QChar *str) noexcept { return QtPrivate::qustrlen(reinterpret_cast<const ushort *>(str)); } template <typename Char> - static const storage_type *castHelper(const Char *str) Q_DECL_NOTHROW + static const storage_type *castHelper(const Char *str) noexcept { return reinterpret_cast<const storage_type*>(str); } - static Q_DECL_CONSTEXPR const storage_type *castHelper(const storage_type *str) Q_DECL_NOTHROW + static Q_DECL_CONSTEXPR const storage_type *castHelper(const storage_type *str) noexcept { return str; } public: - Q_DECL_CONSTEXPR QStringView() Q_DECL_NOTHROW + Q_DECL_CONSTEXPR QStringView() noexcept : m_size(0), m_data(nullptr) {} - Q_DECL_CONSTEXPR QStringView(std::nullptr_t) Q_DECL_NOTHROW + Q_DECL_CONSTEXPR QStringView(std::nullptr_t) noexcept : QStringView() {} template <typename Char, if_compatible_char<Char> = true> @@ -185,38 +185,38 @@ public: #ifdef Q_CLANG_QDOC template <typename Char, size_t N> - Q_DECL_CONSTEXPR QStringView(const Char (&array)[N]) Q_DECL_NOTHROW; + Q_DECL_CONSTEXPR QStringView(const Char (&array)[N]) noexcept; template <typename Char> - Q_DECL_CONSTEXPR QStringView(const Char *str) Q_DECL_NOTHROW; + Q_DECL_CONSTEXPR QStringView(const Char *str) noexcept; #else template <typename Array, if_compatible_array<Array> = true> - Q_DECL_CONSTEXPR QStringView(const Array &str) Q_DECL_NOTHROW + Q_DECL_CONSTEXPR QStringView(const Array &str) noexcept : QStringView(str, lengthHelperArray(str)) {} template <typename Pointer, if_compatible_pointer<Pointer> = true> - Q_DECL_CONSTEXPR QStringView(const Pointer &str) Q_DECL_NOTHROW + Q_DECL_CONSTEXPR QStringView(const Pointer &str) noexcept : QStringView(str, str ? lengthHelperPointer(str) : 0) {} #endif #ifdef Q_CLANG_QDOC - QStringView(const QString &str) Q_DECL_NOTHROW; - QStringView(const QStringRef &str) Q_DECL_NOTHROW; + QStringView(const QString &str) noexcept; + QStringView(const QStringRef &str) noexcept; #else template <typename String, if_compatible_qstring_like<String> = true> - QStringView(const String &str) Q_DECL_NOTHROW + QStringView(const String &str) noexcept : QStringView(str.isNull() ? nullptr : str.data(), qsizetype(str.size())) {} #endif template <typename StdBasicString, if_compatible_string<StdBasicString> = true> - QStringView(const StdBasicString &str) Q_DECL_NOTHROW + QStringView(const StdBasicString &str) noexcept : QStringView(str.data(), qsizetype(str.size())) {} Q_REQUIRED_RESULT inline QString toString() const; // defined in qstring.h - Q_REQUIRED_RESULT Q_DECL_CONSTEXPR qsizetype size() const Q_DECL_NOTHROW { return m_size; } - Q_REQUIRED_RESULT const_pointer data() const Q_DECL_NOTHROW { return reinterpret_cast<const_pointer>(m_data); } - Q_REQUIRED_RESULT Q_DECL_CONSTEXPR const storage_type *utf16() const Q_DECL_NOTHROW { return m_data; } + Q_REQUIRED_RESULT Q_DECL_CONSTEXPR qsizetype size() const noexcept { return m_size; } + Q_REQUIRED_RESULT const_pointer data() const noexcept { return reinterpret_cast<const_pointer>(m_data); } + Q_REQUIRED_RESULT Q_DECL_CONSTEXPR const storage_type *utf16() const noexcept { return m_data; } Q_REQUIRED_RESULT Q_DECL_CONSTEXPR QChar operator[](qsizetype n) const { return Q_ASSERT(n >= 0), Q_ASSERT(n < size()), QChar(m_data[n]); } @@ -248,28 +248,28 @@ public: Q_DECL_RELAXED_CONSTEXPR void chop(qsizetype n) { Q_ASSERT(n >= 0); Q_ASSERT(n <= size()); m_size -= n; } - Q_REQUIRED_RESULT QStringView trimmed() const Q_DECL_NOTHROW { return QtPrivate::trimmed(*this); } + Q_REQUIRED_RESULT QStringView trimmed() const noexcept { return QtPrivate::trimmed(*this); } - Q_REQUIRED_RESULT int compare(QStringView other, Qt::CaseSensitivity cs = Qt::CaseSensitive) const Q_DECL_NOTHROW + Q_REQUIRED_RESULT int compare(QStringView other, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept { return QtPrivate::compareStrings(*this, other, cs); } - Q_REQUIRED_RESULT bool startsWith(QStringView s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const Q_DECL_NOTHROW + Q_REQUIRED_RESULT bool startsWith(QStringView s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept { return QtPrivate::startsWith(*this, s, cs); } - Q_REQUIRED_RESULT inline bool startsWith(QLatin1String s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const Q_DECL_NOTHROW; - Q_REQUIRED_RESULT bool startsWith(QChar c) const Q_DECL_NOTHROW + Q_REQUIRED_RESULT inline bool startsWith(QLatin1String s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept; + Q_REQUIRED_RESULT bool startsWith(QChar c) const noexcept { return !empty() && front() == c; } - Q_REQUIRED_RESULT bool startsWith(QChar c, Qt::CaseSensitivity cs) const Q_DECL_NOTHROW + Q_REQUIRED_RESULT bool startsWith(QChar c, Qt::CaseSensitivity cs) const noexcept { return QtPrivate::startsWith(*this, QStringView(&c, 1), cs); } - Q_REQUIRED_RESULT bool endsWith(QStringView s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const Q_DECL_NOTHROW + Q_REQUIRED_RESULT bool endsWith(QStringView s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept { return QtPrivate::endsWith(*this, s, cs); } - Q_REQUIRED_RESULT inline bool endsWith(QLatin1String s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const Q_DECL_NOTHROW; - Q_REQUIRED_RESULT bool endsWith(QChar c) const Q_DECL_NOTHROW + Q_REQUIRED_RESULT inline bool endsWith(QLatin1String s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept; + Q_REQUIRED_RESULT bool endsWith(QChar c) const noexcept { return !empty() && back() == c; } - Q_REQUIRED_RESULT bool endsWith(QChar c, Qt::CaseSensitivity cs) const Q_DECL_NOTHROW + Q_REQUIRED_RESULT bool endsWith(QChar c, Qt::CaseSensitivity cs) const noexcept { return QtPrivate::endsWith(*this, QStringView(&c, 1), cs); } - Q_REQUIRED_RESULT bool isRightToLeft() const Q_DECL_NOTHROW + Q_REQUIRED_RESULT bool isRightToLeft() const noexcept { return QtPrivate::isRightToLeft(*this); } Q_REQUIRED_RESULT Q_CORE_EXPORT int toWCharArray(wchar_t *array) const; @@ -277,24 +277,24 @@ public: // // STL compatibility API: // - Q_REQUIRED_RESULT const_iterator begin() const Q_DECL_NOTHROW { return data(); } - Q_REQUIRED_RESULT const_iterator end() const Q_DECL_NOTHROW { return data() + size(); } - Q_REQUIRED_RESULT const_iterator cbegin() const Q_DECL_NOTHROW { return begin(); } - Q_REQUIRED_RESULT const_iterator cend() const Q_DECL_NOTHROW { return end(); } - Q_REQUIRED_RESULT const_reverse_iterator rbegin() const Q_DECL_NOTHROW { return const_reverse_iterator(end()); } - Q_REQUIRED_RESULT const_reverse_iterator rend() const Q_DECL_NOTHROW { return const_reverse_iterator(begin()); } - Q_REQUIRED_RESULT const_reverse_iterator crbegin() const Q_DECL_NOTHROW { return rbegin(); } - Q_REQUIRED_RESULT const_reverse_iterator crend() const Q_DECL_NOTHROW { return rend(); } - - Q_REQUIRED_RESULT Q_DECL_CONSTEXPR bool empty() const Q_DECL_NOTHROW { return size() == 0; } + Q_REQUIRED_RESULT const_iterator begin() const noexcept { return data(); } + Q_REQUIRED_RESULT const_iterator end() const noexcept { return data() + size(); } + Q_REQUIRED_RESULT const_iterator cbegin() const noexcept { return begin(); } + Q_REQUIRED_RESULT const_iterator cend() const noexcept { return end(); } + Q_REQUIRED_RESULT const_reverse_iterator rbegin() const noexcept { return const_reverse_iterator(end()); } + Q_REQUIRED_RESULT const_reverse_iterator rend() const noexcept { return const_reverse_iterator(begin()); } + Q_REQUIRED_RESULT const_reverse_iterator crbegin() const noexcept { return rbegin(); } + Q_REQUIRED_RESULT const_reverse_iterator crend() const noexcept { return rend(); } + + Q_REQUIRED_RESULT Q_DECL_CONSTEXPR bool empty() const noexcept { return size() == 0; } Q_REQUIRED_RESULT Q_DECL_CONSTEXPR QChar front() const { return Q_ASSERT(!empty()), QChar(m_data[0]); } Q_REQUIRED_RESULT Q_DECL_CONSTEXPR QChar back() const { return Q_ASSERT(!empty()), QChar(m_data[m_size - 1]); } // // Qt compatibility API: // - Q_REQUIRED_RESULT Q_DECL_CONSTEXPR bool isNull() const Q_DECL_NOTHROW { return !m_data; } - Q_REQUIRED_RESULT Q_DECL_CONSTEXPR bool isEmpty() const Q_DECL_NOTHROW { return empty(); } + Q_REQUIRED_RESULT Q_DECL_CONSTEXPR bool isNull() const noexcept { return !m_data; } + Q_REQUIRED_RESULT Q_DECL_CONSTEXPR bool isEmpty() const noexcept { return empty(); } Q_REQUIRED_RESULT Q_DECL_CONSTEXPR int length() const /* not nothrow! */ { return Q_ASSERT(int(size()) == size()), int(size()); } Q_REQUIRED_RESULT Q_DECL_CONSTEXPR QChar first() const { return front(); } @@ -308,7 +308,7 @@ Q_DECLARE_TYPEINFO(QStringView, Q_PRIMITIVE_TYPE); template <typename QStringLike, typename std::enable_if< std::is_same<QStringLike, QString>::value || std::is_same<QStringLike, QStringRef>::value, bool>::type = true> -inline QStringView qToStringViewIgnoringNull(const QStringLike &s) Q_DECL_NOTHROW +inline QStringView qToStringViewIgnoringNull(const QStringLike &s) noexcept { return QStringView(s.data(), s.size()); } QT_END_NAMESPACE |