qtbase/src/corelib/text/qstring.h
Ahmad Samir db1ed43050 QString: add {setUtf16,setUnicode}(const char16_t*) overloads
This is a first step for adding QT_NO_INTEGRAL_STRINGS in the next
commit.

Mark setUtf16(const ushort *) as obsolete.

Use the weak overload workaround, so that the call isn't ambiguous if
it's called on a nullptr.

[ChangeLog][QtCore][QString] Added setUtf16(const char16_t *) and
setUnicode(const char16_t *) overloads.

Task-number: QTBUG-125871
Change-Id: I25d12c19876466c235c0d9928aae6fd332836bf5
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
(cherry picked from commit be3bf632e1cf80b16475f8353e4753b38317626b)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
2025-02-08 12:45:16 +00:00

1762 lines
72 KiB
C++

// Copyright (C) 2020 The Qt Company Ltd.
// Copyright (C) 2019 Intel Corporation.
// Copyright (C) 2019 Mail.ru Group.
// Copyright (C) 2020 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Marc Mutz <marc.mutz@kdab.com>
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QSTRING_H
#define QSTRING_H
#if defined(QT_NO_CAST_FROM_ASCII) && defined(QT_RESTRICTED_CAST_FROM_ASCII)
#error QT_NO_CAST_FROM_ASCII and QT_RESTRICTED_CAST_FROM_ASCII must not be defined at the same time
#endif
#include <QtCore/qchar.h>
#include <QtCore/qcompare.h>
#include <QtCore/qbytearray.h>
#include <QtCore/qbytearrayview.h>
#include <QtCore/qarraydata.h>
#include <QtCore/qlatin1stringview.h>
#include <QtCore/qnamespace.h>
#include <QtCore/qstringliteral.h>
#include <QtCore/qstringalgorithms.h>
#include <QtCore/qanystringview.h>
#include <QtCore/qstringtokenizer.h>
#include <string>
#include <iterator>
#include <QtCore/q20memory.h>
#include <string_view>
#include <stdarg.h>
#ifdef truncate
#error qstring.h must be included before any header file that defines truncate
#endif
#if defined(Q_OS_DARWIN) || defined(Q_QDOC)
Q_FORWARD_DECLARE_CF_TYPE(CFString);
Q_FORWARD_DECLARE_OBJC_CLASS(NSString);
#endif
class tst_QString;
QT_BEGIN_NAMESPACE
class qfloat16;
class QRegularExpression;
class QRegularExpressionMatch;
class QString;
namespace QtPrivate {
template <bool...B> class BoolList;
template <typename Char>
using IsCompatibleChar32TypeHelper =
std::is_same<Char, char32_t>;
template <typename Char>
using IsCompatibleChar32Type
= IsCompatibleChar32TypeHelper<q20::remove_cvref_t<Char>>;
// hack to work around ushort/uchar etc being treated as both characters and
// integers, depending on which Qt API you look at:
template <typename T> struct treat_as_integral_arg : std::false_type {};
template <> struct treat_as_integral_arg<unsigned short> : std::true_type {};
template <> struct treat_as_integral_arg< signed short> : std::true_type {};
template <> struct treat_as_integral_arg<unsigned char> : std::true_type {};
template <> struct treat_as_integral_arg< signed char> : std::true_type {};
// QTBUG-126054, keep until we can fix it for all platforms, not just Windows
// (where wchar_t does convert to QAnyStringView):
template <> struct treat_as_integral_arg<wchar_t> : std::true_type {};
}
// Qt 4.x compatibility
//
// QLatin1StringView inline implementations
//
constexpr bool QtPrivate::isLatin1(QLatin1StringView) noexcept
{ return true; }
//
// QStringView members that require QLatin1StringView:
//
int QStringView::compare(QLatin1StringView s, Qt::CaseSensitivity cs) const noexcept
{ return QtPrivate::compareStrings(*this, s, cs); }
bool QStringView::startsWith(QLatin1StringView s, Qt::CaseSensitivity cs) const noexcept
{ return QtPrivate::startsWith(*this, s, cs); }
bool QStringView::endsWith(QLatin1StringView s, Qt::CaseSensitivity cs) const noexcept
{ return QtPrivate::endsWith(*this, s, cs); }
qsizetype QStringView::indexOf(QLatin1StringView s, qsizetype from, Qt::CaseSensitivity cs) const noexcept
{ return QtPrivate::findString(*this, from, s, cs); }
bool QStringView::contains(QLatin1StringView s, Qt::CaseSensitivity cs) const noexcept
{ return indexOf(s, 0, cs) != qsizetype(-1); }
qsizetype QStringView::lastIndexOf(QLatin1StringView s, Qt::CaseSensitivity cs) const noexcept
{ return QtPrivate::lastIndexOf(*this, size(), s, cs); }
qsizetype QStringView::lastIndexOf(QLatin1StringView s, qsizetype from, Qt::CaseSensitivity cs) const noexcept
{ return QtPrivate::lastIndexOf(*this, from, s, cs); }
qsizetype QStringView::count(QLatin1StringView s, Qt::CaseSensitivity cs) const
{ return QtPrivate::count(*this, s, cs); }
//
// QAnyStringView members that require QLatin1StringView
//
constexpr QAnyStringView::QAnyStringView(QLatin1StringView str) noexcept
: m_data{str.data()}, m_size{size_t(str.size() << SizeShift) | Tag::Latin1} {}
constexpr QLatin1StringView QAnyStringView::asLatin1StringView() const
{
Q_ASSERT(isLatin1());
return {m_data_utf8, size()};
}
template <typename Visitor>
constexpr decltype(auto) QAnyStringView::visit(Visitor &&v) const
{
if (isUtf16())
return std::forward<Visitor>(v)(asStringView());
else if (isLatin1())
return std::forward<Visitor>(v)(asLatin1StringView());
else
return std::forward<Visitor>(v)(asUtf8StringView());
}
//
// QAnyStringView members that require QAnyStringView::visit()
//
constexpr QChar QAnyStringView::front() const
{
return visit([] (auto that) { return QAnyStringView::toQChar(that.front()); });
}
constexpr QChar QAnyStringView::back() const
{
return visit([] (auto that) { return QAnyStringView::toQChar(that.back()); });
}
class Q_CORE_EXPORT QString
{
typedef QTypedArrayData<char16_t> Data;
friend class ::tst_QString;
template <typename Iterator>
static constexpr bool is_contiguous_iterator_v =
// Can't use contiguous_iterator_tag here, as STL impls can't agree on feature macro.
// To avoid differences in C++20 and C++17 builds, treat only pointers as contiguous
// for now:
// std::contiguous_iterator<Iterator>;
std::is_pointer_v<Iterator>;
template <typename Char>
using is_compatible_char_helper = std::disjunction<
QtPrivate::IsCompatibleCharType<Char>,
QtPrivate::IsCompatibleChar32Type<Char>,
QtPrivate::IsCompatibleChar8Type<Char>,
std::is_same<Char, QLatin1Char> // special case
>;
template <typename T>
using is_string_like = std::conjunction<
std::negation<QtPrivate::treat_as_integral_arg<std::remove_cv_t<T>>>, // used to be integral, so keep
std::is_convertible<T, QAnyStringView>
>;
template <typename T>
using if_string_like = std::enable_if_t<is_string_like<T>::value, bool>;
template <typename T>
using is_floating_point_like = std::disjunction<
#if QFLOAT16_IS_NATIVE
std::is_same<q20::remove_cvref_t<T>, QtPrivate::NativeFloat16Type>,
#endif
std::is_same<q20::remove_cvref_t<T>, qfloat16>,
std::is_floating_point<T>
>;
template <typename T>
using if_floating_point = std::enable_if_t<is_floating_point_like<T>::value, bool>;
template <typename T>
using if_integral_non_char = std::enable_if_t<std::conjunction_v<
std::disjunction< // unlike is_integral, also covers unscoped enums
std::is_convertible<T, qulonglong>,
std::is_convertible<T, qlonglong>
>,
std::negation<is_floating_point_like<T>>, // has its own overload
std::negation<is_string_like<T>> // ditto
>, bool>;
template <typename Iterator>
static constexpr bool is_compatible_iterator_v = std::conjunction_v<
std::is_convertible<
typename std::iterator_traits<Iterator>::iterator_category,
std::input_iterator_tag
>,
is_compatible_char_helper<typename std::iterator_traits<Iterator>::value_type>
>;
template <typename Iterator>
using if_compatible_iterator = std::enable_if_t<is_compatible_iterator_v<Iterator>, bool>;
public:
typedef QStringPrivate DataPointer;
constexpr QString() noexcept;
explicit QString(const QChar *unicode, qsizetype size = -1);
QString(QChar c);
QString(qsizetype size, QChar c);
inline QString(QLatin1StringView latin1);
explicit QString(QStringView sv) : QString(sv.data(), sv.size()) {}
#if defined(__cpp_char8_t) || defined(Q_QDOC)
Q_WEAK_OVERLOAD
inline QString(const char8_t *str)
: QString(fromUtf8(str))
{}
#endif
inline QString(const QString &) noexcept;
inline ~QString();
QString &operator=(QChar c);
QString &operator=(const QString &) noexcept;
QString &operator=(QLatin1StringView latin1);
inline QString(QString &&other) noexcept
= default;
QT_MOVE_ASSIGNMENT_OPERATOR_IMPL_VIA_PURE_SWAP(QString)
void swap(QString &other) noexcept { d.swap(other.d); }
static constexpr qsizetype maxSize() noexcept
{
// -1 to deal with the NUL terminator
return Data::maxSize() - 1;
}
inline qsizetype size() const noexcept { return d.size; }
#if QT_DEPRECATED_SINCE(6, 4)
QT_DEPRECATED_VERSION_X_6_4("Use size() or length() instead.")
inline qsizetype count() const { return d.size; }
#endif
inline qsizetype length() const noexcept { return d.size; }
inline bool isEmpty() const noexcept { return d.size == 0; }
void resize(qsizetype size);
void resize(qsizetype size, QChar fillChar);
void resizeForOverwrite(qsizetype size);
QString &fill(QChar c, qsizetype size = -1);
void truncate(qsizetype pos);
void chop(qsizetype n);
QString &slice(qsizetype pos)
{ verify(pos, 0); return remove(0, pos); }
QString &slice(qsizetype pos, qsizetype n)
{
verify(pos, n);
if (isNull())
return *this;
resize(pos + n);
return remove(0, pos);
}
inline qsizetype capacity() const;
inline void reserve(qsizetype size);
inline void squeeze();
inline const QChar *unicode() const;
inline QChar *data();
inline const QChar *data() const;
inline const QChar *constData() const;
inline void detach();
inline bool isDetached() const;
inline bool isSharedWith(const QString &other) const { return d.isSharedWith(other.d); }
inline void clear();
inline const QChar at(qsizetype i) const;
inline const QChar operator[](qsizetype i) const;
[[nodiscard]] inline QChar &operator[](qsizetype i);
[[nodiscard]] inline QChar front() const { return at(0); }
[[nodiscard]] inline QChar &front();
[[nodiscard]] inline QChar back() const { return at(size() - 1); }
[[nodiscard]] inline QChar &back();
#if QT_CORE_REMOVED_SINCE(6, 9)
[[nodiscard]] QString arg(qlonglong a, int fieldwidth=0, int base=10,
QChar fillChar = u' ') const;
[[nodiscard]] QString arg(qulonglong a, int fieldwidth=0, int base=10,
QChar fillChar = u' ') const;
[[nodiscard]] inline QString arg(long a, int fieldwidth=0, int base=10,
QChar fillChar = u' ') const;
[[nodiscard]] inline QString arg(ulong a, int fieldwidth=0, int base=10,
QChar fillChar = u' ') const;
[[nodiscard]] inline QString arg(int a, int fieldWidth = 0, int base = 10,
QChar fillChar = u' ') const;
[[nodiscard]] inline QString arg(uint a, int fieldWidth = 0, int base = 10,
QChar fillChar = u' ') const;
[[nodiscard]] inline QString arg(short a, int fieldWidth = 0, int base = 10,
QChar fillChar = u' ') const;
[[nodiscard]] inline QString arg(ushort a, int fieldWidth = 0, int base = 10,
QChar fillChar = u' ') const;
[[nodiscard]] QString arg(double a, int fieldWidth = 0, char format = 'g', int precision = -1,
QChar fillChar = u' ') const;
[[nodiscard]] QString arg(char a, int fieldWidth = 0,
QChar fillChar = u' ') const;
[[nodiscard]] QString arg(QChar a, int fieldWidth = 0,
QChar fillChar = u' ') const;
[[nodiscard]] QString arg(const QString &a, int fieldWidth = 0,
QChar fillChar = u' ') const;
[[nodiscard]] QString arg(QStringView a, int fieldWidth = 0,
QChar fillChar = u' ') const;
[[nodiscard]] QString arg(QLatin1StringView a, int fieldWidth = 0,
QChar fillChar = u' ') const;
#endif
template <typename T, if_integral_non_char<T> = true>
[[nodiscard]] QString arg(T a, int fieldWidth = 0, int base = 10,
QChar fillChar = u' ') const
{
using U = typename std::conditional<
// underlying_type_t<non-enum> is UB in C++17/SFINAE in C++20, so wrap:
std::is_enum_v<T>, std::underlying_type<T>,
q20::type_identity<T>
>::type::type;
if constexpr (std::is_signed_v<U>)
return arg_impl(qlonglong(a), fieldWidth, base, fillChar);
else
return arg_impl(qulonglong(a), fieldWidth, base, fillChar);
}
template <typename T, if_floating_point<T> = true>
[[nodiscard]] QString arg(T a, int fieldWidth = 0, char format = 'g', int precision = -1,
QChar fillChar = u' ') const
{ return arg_impl(double(a), fieldWidth, format, precision, fillChar); }
template <typename T, if_string_like<T> = true>
[[nodiscard]] QString arg(const T &a, int fieldWidth = 0, QChar fillChar = u' ') const
{ return arg_impl(QAnyStringView(a), fieldWidth, fillChar); }
private:
QString arg_impl(qlonglong a, int fieldwidth, int base, QChar fillChar) const;
QString arg_impl(qulonglong a, int fieldwidth, int base, QChar fillChar) const;
QString arg_impl(double a, int fieldWidth, char format, int precision, QChar fillChar) const;
QString arg_impl(QAnyStringView a, int fieldWidth, QChar fillChar) const;
public:
template <typename...Args>
[[nodiscard]]
#ifdef Q_QDOC
QString
#else
typename std::enable_if<
sizeof...(Args) >= 2 && std::conjunction_v<is_string_like<Args>...>,
QString
>::type
#endif
arg(Args &&...args) const
{ return qToStringViewIgnoringNull(*this).arg(std::forward<Args>(args)...); }
static QString vasprintf(const char *format, va_list ap) Q_ATTRIBUTE_FORMAT_PRINTF(1, 0);
static QString asprintf(const char *format, ...) Q_ATTRIBUTE_FORMAT_PRINTF(1, 2);
[[nodiscard]] QT_CORE_INLINE_SINCE(6, 8)
qsizetype indexOf(QChar c, qsizetype from = 0, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
[[nodiscard]] qsizetype indexOf(QLatin1StringView s, qsizetype from = 0, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
[[nodiscard]] qsizetype indexOf(const QString &s, qsizetype from = 0, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
[[nodiscard]] qsizetype indexOf(QStringView s, qsizetype from = 0, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept
{ return QtPrivate::findString(*this, from, s, cs); }
[[nodiscard]] qsizetype lastIndexOf(QChar c, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept
{ return lastIndexOf(c, -1, cs); }
[[nodiscard]] QT_CORE_INLINE_SINCE(6, 8)
qsizetype lastIndexOf(QChar c, qsizetype from, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
[[nodiscard]] qsizetype lastIndexOf(QLatin1StringView s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const
{ return lastIndexOf(s, size(), cs); }
[[nodiscard]] qsizetype lastIndexOf(QLatin1StringView s, qsizetype from, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
[[nodiscard]] qsizetype lastIndexOf(const QString &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const
{ return lastIndexOf(s, size(), cs); }
[[nodiscard]] qsizetype lastIndexOf(const QString &s, qsizetype from, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
[[nodiscard]] qsizetype lastIndexOf(QStringView s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept
{ return lastIndexOf(s, size(), cs); }
[[nodiscard]] qsizetype lastIndexOf(QStringView s, qsizetype from, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept
{ return QtPrivate::lastIndexOf(*this, from, s, cs); }
[[nodiscard]] inline bool contains(QChar c, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
[[nodiscard]] inline bool contains(const QString &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
[[nodiscard]] inline bool contains(QLatin1StringView s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
[[nodiscard]] inline bool contains(QStringView s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept;
[[nodiscard]] qsizetype count(QChar c, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
[[nodiscard]] qsizetype count(const QString &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
[[nodiscard]] qsizetype count(QStringView s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
#if QT_CONFIG(regularexpression)
[[nodiscard]] qsizetype indexOf(const QRegularExpression &re, qsizetype from = 0,
QRegularExpressionMatch *rmatch = nullptr) const;
#ifdef Q_QDOC
[[nodiscard]] qsizetype lastIndexOf(const QRegularExpression &re, QRegularExpressionMatch *rmatch = nullptr) const;
#else
// prevent an ambiguity when called like this: lastIndexOf(re, 0)
template <typename T = QRegularExpressionMatch, std::enable_if_t<std::is_same_v<T, QRegularExpressionMatch>, bool> = false>
[[nodiscard]] qsizetype lastIndexOf(const QRegularExpression &re, T *rmatch = nullptr) const
{ return lastIndexOf(re, size(), rmatch); }
#endif
[[nodiscard]] qsizetype lastIndexOf(const QRegularExpression &re, qsizetype from,
QRegularExpressionMatch *rmatch = nullptr) const;
[[nodiscard]] bool contains(const QRegularExpression &re, QRegularExpressionMatch *rmatch = nullptr) const;
[[nodiscard]] qsizetype count(const QRegularExpression &re) const;
#endif
enum SectionFlag {
SectionDefault = 0x00,
SectionSkipEmpty = 0x01,
SectionIncludeLeadingSep = 0x02,
SectionIncludeTrailingSep = 0x04,
SectionCaseInsensitiveSeps = 0x08
};
Q_DECLARE_FLAGS(SectionFlags, SectionFlag)
[[nodiscard]] inline QString section(QChar sep, qsizetype start, qsizetype end = -1, SectionFlags flags = SectionDefault) const;
[[nodiscard]] QString section(const QString &in_sep, qsizetype start, qsizetype end = -1, SectionFlags flags = SectionDefault) const;
#if QT_CONFIG(regularexpression)
[[nodiscard]] QString section(const QRegularExpression &re, qsizetype start, qsizetype end = -1, SectionFlags flags = SectionDefault) const;
#endif
#if QT_CORE_REMOVED_SINCE(6, 7)
QString left(qsizetype n) const;
QString right(qsizetype n) const;
QString mid(qsizetype position, qsizetype n = -1) const;
QString first(qsizetype n) const;
QString last(qsizetype n) const;
QString sliced(qsizetype pos) const;
QString sliced(qsizetype pos, qsizetype n) const;
QString chopped(qsizetype n) const;
#else
[[nodiscard]] QString left(qsizetype n) const &
{
if (size_t(n) >= size_t(size()))
return *this;
return first(n);
}
[[nodiscard]] QString left(qsizetype n) &&
{
if (size_t(n) >= size_t(size()))
return std::move(*this);
return std::move(*this).first(n);
}
[[nodiscard]] QString right(qsizetype n) const &
{
if (size_t(n) >= size_t(size()))
return *this;
return last(n);
}
[[nodiscard]] QString right(qsizetype n) &&
{
if (size_t(n) >= size_t(size()))
return std::move(*this);
return std::move(*this).last(n);
}
[[nodiscard]] QString mid(qsizetype position, qsizetype n = -1) const &;
[[nodiscard]] QString mid(qsizetype position, qsizetype n = -1) &&;
[[nodiscard]] QString first(qsizetype n) const &
{ verify(0, n); return sliced(0, n); }
[[nodiscard]] QString last(qsizetype n) const &
{ verify(0, n); return sliced(size() - n, n); }
[[nodiscard]] QString sliced(qsizetype pos) const &
{ verify(pos, 0); return sliced(pos, size() - pos); }
[[nodiscard]] QString sliced(qsizetype pos, qsizetype n) const &
{ verify(pos, n); return QString(begin() + pos, n); }
[[nodiscard]] QString chopped(qsizetype n) const &
{ verify(0, n); return sliced(0, size() - n); }
[[nodiscard]] QString first(qsizetype n) &&
{
verify(0, n);
resize(n); // may detach and allocate memory
return std::move(*this);
}
[[nodiscard]] QString last(qsizetype n) &&
{ verify(0, n); return sliced_helper(*this, size() - n, n); }
[[nodiscard]] QString sliced(qsizetype pos) &&
{ verify(pos, 0); return sliced_helper(*this, pos, size() - pos); }
[[nodiscard]] QString sliced(qsizetype pos, qsizetype n) &&
{ verify(pos, n); return sliced_helper(*this, pos, n); }
[[nodiscard]] QString chopped(qsizetype n) &&
{ verify(0, n); return std::move(*this).first(size() - n); }
#endif
bool startsWith(const QString &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
[[nodiscard]] bool startsWith(QStringView s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept
{ return QtPrivate::startsWith(*this, s, cs); }
bool startsWith(QLatin1StringView s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
bool startsWith(QChar c, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
bool endsWith(const QString &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
[[nodiscard]] bool endsWith(QStringView s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept
{ return QtPrivate::endsWith(*this, s, cs); }
bool endsWith(QLatin1StringView s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
bool endsWith(QChar c, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
bool isUpper() const;
bool isLower() const;
[[nodiscard]] QString leftJustified(qsizetype width, QChar fill = u' ', bool trunc = false) const;
[[nodiscard]] QString rightJustified(qsizetype width, QChar fill = u' ', bool trunc = false) const;
#if !defined(Q_QDOC)
[[nodiscard]] QString toLower() const &
{ return toLower_helper(*this); }
[[nodiscard]] QString toLower() &&
{ return toLower_helper(*this); }
[[nodiscard]] QString toUpper() const &
{ return toUpper_helper(*this); }
[[nodiscard]] QString toUpper() &&
{ return toUpper_helper(*this); }
[[nodiscard]] QString toCaseFolded() const &
{ return toCaseFolded_helper(*this); }
[[nodiscard]] QString toCaseFolded() &&
{ return toCaseFolded_helper(*this); }
[[nodiscard]] QString trimmed() const &
{ return trimmed_helper(*this); }
[[nodiscard]] QString trimmed() &&
{ return trimmed_helper(*this); }
[[nodiscard]] QString simplified() const &
{ return simplified_helper(*this); }
[[nodiscard]] QString simplified() &&
{ return simplified_helper(*this); }
#else
[[nodiscard]] QString toLower() const;
[[nodiscard]] QString toUpper() const;
[[nodiscard]] QString toCaseFolded() const;
[[nodiscard]] QString trimmed() const;
[[nodiscard]] QString simplified() const;
#endif
[[nodiscard]] QString toHtmlEscaped() const;
QString &insert(qsizetype i, QChar c);
QString &insert(qsizetype i, const QChar *uc, qsizetype len);
inline QString &insert(qsizetype i, const QString &s) { return insert(i, s.constData(), s.size()); }
inline QString &insert(qsizetype i, QStringView v) { return insert(i, v.data(), v.size()); }
QString &insert(qsizetype i, QLatin1StringView s);
QString &insert(qsizetype i, QUtf8StringView s);
QString &append(QChar c);
QString &append(const QChar *uc, qsizetype len);
QString &append(const QString &s);
inline QString &append(QStringView v) { return append(v.data(), v.size()); }
QString &append(QLatin1StringView s);
QString &append(QUtf8StringView s);
inline QString &prepend(QChar c) { return insert(0, c); }
inline QString &prepend(const QChar *uc, qsizetype len) { return insert(0, uc, len); }
inline QString &prepend(const QString &s) { return insert(0, s); }
inline QString &prepend(QStringView v) { return prepend(v.data(), v.size()); }
inline QString &prepend(QLatin1StringView s) { return insert(0, s); }
QString &prepend(QUtf8StringView s) { return insert(0, s); }
QString &assign(QAnyStringView s);
inline QString &assign(qsizetype n, QChar c)
{
Q_ASSERT(n >= 0);
return fill(c, n);
}
template <typename InputIterator, if_compatible_iterator<InputIterator> = true>
QString &assign(InputIterator first, InputIterator last)
{
using V = typename std::iterator_traits<InputIterator>::value_type;
constexpr bool IsL1C = std::is_same_v<std::remove_cv_t<V>, QLatin1Char>;
constexpr bool IsFwdIt = std::is_convertible_v<
typename std::iterator_traits<InputIterator>::iterator_category,
std::forward_iterator_tag
>;
if constexpr (is_contiguous_iterator_v<InputIterator>) {
const auto p = q20::to_address(first);
const auto len = qsizetype(last - first);
if constexpr (IsL1C)
return assign(QLatin1StringView(reinterpret_cast<const char*>(p), len));
else if constexpr (sizeof(V) == 4)
return assign_helper(p, len);
else
return assign(QAnyStringView(p, len));
} else if constexpr (sizeof(V) == 4) { // non-contiguous iterator, feed data piecemeal
resize(0);
if constexpr (IsFwdIt) {
const qsizetype requiredCapacity = 2 * std::distance(first, last);
reserve(requiredCapacity);
}
while (first != last) {
append(QChar::fromUcs4(*first));
++first;
}
return *this;
} else if constexpr (QtPrivate::IsCompatibleChar8Type<V>::value) {
assign_helper_char8(first, last);
if (d.constAllocatedCapacity())
d.data()[d.size] = u'\0';
return *this;
} else {
d.assign(first, last, [](QChar ch) -> char16_t { return ch.unicode(); });
if (d.constAllocatedCapacity())
d.data()[d.size] = u'\0';
return *this;
}
}
inline QString &operator+=(QChar c) { return append(c); }
inline QString &operator+=(const QString &s) { return append(s); }
inline QString &operator+=(QStringView v) { return append(v); }
inline QString &operator+=(QLatin1StringView s) { return append(s); }
QString &operator+=(QUtf8StringView s) { return append(s); }
#if defined(QT_RESTRICTED_CAST_FROM_ASCII)
template <qsizetype N>
QString &insert(qsizetype i, const char (&ch)[N]) { return insert(i, QUtf8StringView(ch)); }
template <qsizetype N>
QString &append(const char (&ch)[N]) { return append(QUtf8StringView(ch)); }
template <qsizetype N>
QString &prepend(const char (&ch)[N]) { return prepend(QUtf8StringView(ch)); }
template <qsizetype N>
QString &operator+=(const char (&ch)[N]) { return append(QUtf8StringView(ch)); }
#endif
QString &remove(qsizetype i, qsizetype len);
QString &remove(QChar c, Qt::CaseSensitivity cs = Qt::CaseSensitive);
QString &remove(QLatin1StringView s, Qt::CaseSensitivity cs = Qt::CaseSensitive);
QString &remove(const QString &s, Qt::CaseSensitivity cs = Qt::CaseSensitive);
QString &removeAt(qsizetype pos)
{ return size_t(pos) < size_t(size()) ? remove(pos, 1) : *this; }
QString &removeFirst() { return !isEmpty() ? remove(0, 1) : *this; }
QString &removeLast() { return !isEmpty() ? remove(size() - 1, 1) : *this; }
template <typename Predicate>
QString &removeIf(Predicate pred)
{
removeIf_helper(pred);
return *this;
}
QString &replace(qsizetype i, qsizetype len, QChar after);
QString &replace(qsizetype i, qsizetype len, const QChar *s, qsizetype slen);
QString &replace(qsizetype i, qsizetype len, const QString &after);
QString &replace(QChar before, QChar after, Qt::CaseSensitivity cs = Qt::CaseSensitive);
QString &replace(const QChar *before, qsizetype blen, const QChar *after, qsizetype alen, Qt::CaseSensitivity cs = Qt::CaseSensitive);
QString &replace(QLatin1StringView before, QLatin1StringView after, Qt::CaseSensitivity cs = Qt::CaseSensitive);
QString &replace(QLatin1StringView before, const QString &after, Qt::CaseSensitivity cs = Qt::CaseSensitive);
QString &replace(const QString &before, QLatin1StringView after, Qt::CaseSensitivity cs = Qt::CaseSensitive);
QString &replace(const QString &before, const QString &after,
Qt::CaseSensitivity cs = Qt::CaseSensitive);
QString &replace(QChar c, const QString &after, Qt::CaseSensitivity cs = Qt::CaseSensitive);
QString &replace(QChar c, QLatin1StringView after, Qt::CaseSensitivity cs = Qt::CaseSensitive);
#if QT_CONFIG(regularexpression)
QString &replace(const QRegularExpression &re, const QString &after);
inline QString &remove(const QRegularExpression &re)
{ return replace(re, QString()); }
#endif
public:
[[nodiscard]]
QStringList split(const QString &sep, Qt::SplitBehavior behavior = Qt::KeepEmptyParts,
Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
[[nodiscard]]
QStringList split(QChar sep, Qt::SplitBehavior behavior = Qt::KeepEmptyParts,
Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
#ifndef QT_NO_REGULAREXPRESSION
[[nodiscard]]
QStringList split(const QRegularExpression &sep,
Qt::SplitBehavior behavior = Qt::KeepEmptyParts) const;
#endif
template <typename Needle, typename...Flags>
[[nodiscard]] inline auto tokenize(Needle &&needle, Flags...flags) const &
noexcept(noexcept(qTokenize(std::declval<const QString &>(), std::forward<Needle>(needle), flags...)))
-> decltype(qTokenize(*this, std::forward<Needle>(needle), flags...))
{ return qTokenize(qToStringViewIgnoringNull(*this), std::forward<Needle>(needle), flags...); }
template <typename Needle, typename...Flags>
[[nodiscard]] inline auto tokenize(Needle &&needle, Flags...flags) const &&
noexcept(noexcept(qTokenize(std::declval<const QString>(), std::forward<Needle>(needle), flags...)))
-> decltype(qTokenize(std::move(*this), std::forward<Needle>(needle), flags...))
{ return qTokenize(std::move(*this), std::forward<Needle>(needle), flags...); }
template <typename Needle, typename...Flags>
[[nodiscard]] inline auto tokenize(Needle &&needle, Flags...flags) &&
noexcept(noexcept(qTokenize(std::declval<QString>(), std::forward<Needle>(needle), flags...)))
-> decltype(qTokenize(std::move(*this), std::forward<Needle>(needle), flags...))
{ return qTokenize(std::move(*this), std::forward<Needle>(needle), flags...); }
enum NormalizationForm {
NormalizationForm_D,
NormalizationForm_C,
NormalizationForm_KD,
NormalizationForm_KC
};
[[nodiscard]] QString normalized(NormalizationForm mode, QChar::UnicodeVersion version = QChar::Unicode_Unassigned) const;
[[nodiscard]] QString repeated(qsizetype times) const;
const ushort *utf16() const; // ### Qt 7 char16_t
#if !defined(Q_QDOC)
[[nodiscard]] QByteArray toLatin1() const &
{ return toLatin1_helper(*this); }
[[nodiscard]] QByteArray toLatin1() &&
{ return toLatin1_helper_inplace(*this); }
[[nodiscard]] QByteArray toUtf8() const &
{ return toUtf8_helper(*this); }
[[nodiscard]] QByteArray toUtf8() &&
{ return toUtf8_helper(*this); }
[[nodiscard]] QByteArray toLocal8Bit() const &
{ return toLocal8Bit_helper(isNull() ? nullptr : constData(), size()); }
[[nodiscard]] QByteArray toLocal8Bit() &&
{ return toLocal8Bit_helper(isNull() ? nullptr : constData(), size()); }
#else
[[nodiscard]] QByteArray toLatin1() const;
[[nodiscard]] QByteArray toUtf8() const;
[[nodiscard]] QByteArray toLocal8Bit() const;
#endif
[[nodiscard]] QList<uint> toUcs4() const; // ### Qt 7 char32_t
// note - this are all inline so we can benefit from strlen() compile time optimizations
static QString fromLatin1(QByteArrayView ba);
Q_WEAK_OVERLOAD
static inline QString fromLatin1(const QByteArray &ba) { return fromLatin1(QByteArrayView(ba)); }
static inline QString fromLatin1(const char *str, qsizetype size)
{
return fromLatin1(QByteArrayView(str, !str || size < 0 ? qstrlen(str) : size));
}
static QString fromUtf8(QByteArrayView utf8);
Q_WEAK_OVERLOAD
static inline QString fromUtf8(const QByteArray &ba) { return fromUtf8(QByteArrayView(ba)); }
static inline QString fromUtf8(const char *utf8, qsizetype size)
{
return fromUtf8(QByteArrayView(utf8, !utf8 || size < 0 ? qstrlen(utf8) : size));
}
#if defined(__cpp_char8_t) || defined(Q_QDOC)
Q_WEAK_OVERLOAD
static inline QString fromUtf8(const char8_t *str)
{ return fromUtf8(reinterpret_cast<const char *>(str)); }
Q_WEAK_OVERLOAD
static inline QString fromUtf8(const char8_t *str, qsizetype size)
{ return fromUtf8(reinterpret_cast<const char *>(str), size); }
#endif
static QString fromLocal8Bit(QByteArrayView ba);
Q_WEAK_OVERLOAD
static inline QString fromLocal8Bit(const QByteArray &ba) { return fromLocal8Bit(QByteArrayView(ba)); }
static inline QString fromLocal8Bit(const char *str, qsizetype size)
{
return fromLocal8Bit(QByteArrayView(str, !str || size < 0 ? qstrlen(str) : size));
}
static QString fromUtf16(const char16_t *, qsizetype size = -1);
static QString fromUcs4(const char32_t *, qsizetype size = -1);
static QString fromRawData(const QChar *, qsizetype size);
#if QT_DEPRECATED_SINCE(6, 0)
QT_DEPRECATED_VERSION_X_6_0("Use char16_t* overload.")
static QString fromUtf16(const ushort *str, qsizetype size = -1)
{ return fromUtf16(reinterpret_cast<const char16_t *>(str), size); }
QT_DEPRECATED_VERSION_X_6_0("Use char32_t* overload.")
static QString fromUcs4(const uint *str, qsizetype size = -1)
{ return fromUcs4(reinterpret_cast<const char32_t *>(str), size); }
#endif
inline qsizetype toWCharArray(wchar_t *array) const;
[[nodiscard]] static inline QString fromWCharArray(const wchar_t *string, qsizetype size = -1);
QString &setRawData(const QChar *unicode, qsizetype size);
QString &setUnicode(const QChar *unicode, qsizetype size);
Q_WEAK_OVERLOAD
QString &setUnicode(const char16_t *utf16, qsizetype size)
{ return setUnicode(reinterpret_cast<const QChar *>(utf16), size); }
QString &setUtf16(const char16_t *utf16, qsizetype size)
{ return setUnicode(reinterpret_cast<const QChar *>(utf16), size); }
#if !QT_CORE_REMOVED_SINCE(6, 9)
Q_WEAK_OVERLOAD
#endif
QString &setUtf16(const ushort *autf16, qsizetype asize)
{ return setUnicode(reinterpret_cast<const QChar *>(autf16), asize); }
int compare(const QString &s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept;
int compare(QLatin1StringView other, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept;
inline int compare(QStringView s, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept;
int compare(QChar ch, Qt::CaseSensitivity cs = Qt::CaseSensitive) const noexcept
{ return compare(QStringView{&ch, 1}, cs); }
static inline int compare(const QString &s1, const QString &s2,
Qt::CaseSensitivity cs = Qt::CaseSensitive) noexcept
{ return s1.compare(s2, cs); }
static inline int compare(const QString &s1, QLatin1StringView s2,
Qt::CaseSensitivity cs = Qt::CaseSensitive) noexcept
{ return s1.compare(s2, cs); }
static inline int compare(QLatin1StringView s1, const QString &s2,
Qt::CaseSensitivity cs = Qt::CaseSensitive) noexcept
{ return -s2.compare(s1, cs); }
static int compare(const QString &s1, QStringView s2, Qt::CaseSensitivity cs = Qt::CaseSensitive) noexcept
{ return s1.compare(s2, cs); }
static int compare(QStringView s1, const QString &s2, Qt::CaseSensitivity cs = Qt::CaseSensitive) noexcept
{ return -s2.compare(s1, cs); }
int localeAwareCompare(const QString& s) const;
inline int localeAwareCompare(QStringView s) const;
static int localeAwareCompare(const QString& s1, const QString& s2)
{ return s1.localeAwareCompare(s2); }
static inline int localeAwareCompare(QStringView s1, QStringView s2);
short toShort(bool *ok=nullptr, int base=10) const
{ return toIntegral_helper<short>(*this, ok, base); }
ushort toUShort(bool *ok=nullptr, int base=10) const
{ return toIntegral_helper<ushort>(*this, ok, base); }
int toInt(bool *ok=nullptr, int base=10) const
{ return toIntegral_helper<int>(*this, ok, base); }
uint toUInt(bool *ok=nullptr, int base=10) const
{ return toIntegral_helper<uint>(*this, ok, base); }
long toLong(bool *ok=nullptr, int base=10) const
{ return toIntegral_helper<long>(*this, ok, base); }
ulong toULong(bool *ok=nullptr, int base=10) const
{ return toIntegral_helper<ulong>(*this, ok, base); }
QT_CORE_INLINE_SINCE(6, 5)
qlonglong toLongLong(bool *ok=nullptr, int base=10) const;
QT_CORE_INLINE_SINCE(6, 5)
qulonglong toULongLong(bool *ok=nullptr, int base=10) const;
float toFloat(bool *ok=nullptr) const;
double toDouble(bool *ok=nullptr) const;
inline QString &setNum(short, int base=10);
inline QString &setNum(ushort, int base=10);
inline QString &setNum(int, int base=10);
inline QString &setNum(uint, int base=10);
inline QString &setNum(long, int base=10);
inline QString &setNum(ulong, int base=10);
QString &setNum(qlonglong, int base=10);
QString &setNum(qulonglong, int base=10);
inline QString &setNum(float, char format='g', int precision=6);
QString &setNum(double, char format='g', int precision=6);
static QString number(int, int base=10);
static QString number(uint, int base=10);
static QString number(long, int base=10);
static QString number(ulong, int base=10);
static QString number(qlonglong, int base=10);
static QString number(qulonglong, int base=10);
static QString number(double, char format='g', int precision=6);
friend bool comparesEqual(const QString &s1, const QString &s2) noexcept
{ return comparesEqual(QStringView(s1), QStringView(s2)); }
friend Qt::strong_ordering compareThreeWay(const QString &s1, const QString &s2) noexcept
{ return compareThreeWay(QStringView(s1), QStringView(s2)); }
Q_DECLARE_STRONGLY_ORDERED(QString)
Q_WEAK_OVERLOAD
friend bool comparesEqual(const QString &s1, QUtf8StringView s2) noexcept
{ return QtPrivate::equalStrings(s1, s2); }
Q_WEAK_OVERLOAD
friend Qt::strong_ordering compareThreeWay(const QString &s1, QUtf8StringView s2) noexcept
{
const int res = QtPrivate::compareStrings(s1, s2, Qt::CaseSensitive);
return Qt::compareThreeWay(res, 0);
}
Q_DECLARE_STRONGLY_ORDERED(QString, QUtf8StringView, Q_WEAK_OVERLOAD)
#ifdef __cpp_char8_t
friend bool comparesEqual(const QString &s1, const char8_t *s2) noexcept
{ return comparesEqual(s1, QUtf8StringView(s2)); }
friend Qt::strong_ordering compareThreeWay(const QString &s1, const char8_t *s2) noexcept
{ return compareThreeWay(s1, QUtf8StringView(s2)); }
Q_DECLARE_STRONGLY_ORDERED(QString, const char8_t *)
#endif // __cpp_char8_t
friend bool comparesEqual(const QString &s1, QLatin1StringView s2) noexcept
{ return (s1.size() == s2.size()) && QtPrivate::equalStrings(s1, s2); }
friend Qt::strong_ordering
compareThreeWay(const QString &s1, QLatin1StringView s2) noexcept
{
const int res = QtPrivate::compareStrings(s1, s2, Qt::CaseSensitive);
return Qt::compareThreeWay(res, 0);
}
Q_DECLARE_STRONGLY_ORDERED(QString, QLatin1StringView)
// Check isEmpty() instead of isNull() for backwards compatibility.
friend bool comparesEqual(const QString &s1, std::nullptr_t) noexcept
{ return s1.isEmpty(); }
friend Qt::strong_ordering compareThreeWay(const QString &s1, std::nullptr_t) noexcept
{ return s1.isEmpty() ? Qt::strong_ordering::equivalent : Qt::strong_ordering::greater; }
Q_DECLARE_STRONGLY_ORDERED(QString, std::nullptr_t)
friend bool comparesEqual(const QString &s1, const char16_t *s2) noexcept
{ return comparesEqual(s1, QStringView(s2)); }
friend Qt::strong_ordering compareThreeWay(const QString &s1, const char16_t *s2) noexcept
{ return compareThreeWay(s1, QStringView(s2)); }
Q_DECLARE_STRONGLY_ORDERED(QString, const char16_t *)
// QChar <> QString
friend bool comparesEqual(const QString &lhs, QChar rhs) noexcept
{ return lhs.size() == 1 && rhs == lhs.front(); }
friend Qt::strong_ordering compareThreeWay(const QString &lhs, QChar rhs) noexcept
{
const int res = compare_helper(lhs.data(), lhs.size(), &rhs, 1);
return Qt::compareThreeWay(res, 0);
}
Q_DECLARE_STRONGLY_ORDERED(QString, QChar)
// ASCII compatibility
#if defined(QT_RESTRICTED_CAST_FROM_ASCII)
template <qsizetype N>
inline QString(const char (&ch)[N])
: QString(fromUtf8(ch))
{}
template <qsizetype N>
QString(char (&)[N]) = delete;
template <qsizetype N>
inline QString &operator=(const char (&ch)[N])
{ return (*this = fromUtf8(ch, N - 1)); }
template <qsizetype N>
QString &operator=(char (&)[N]) = delete;
#endif
#if !defined(QT_NO_CAST_FROM_ASCII) && !defined(QT_RESTRICTED_CAST_FROM_ASCII)
QT_ASCII_CAST_WARN inline QString(const char *ch)
: QString(fromUtf8(ch))
{}
QT_ASCII_CAST_WARN inline QString(const QByteArray &a)
: QString(fromUtf8(a))
{}
QT_ASCII_CAST_WARN inline QString &operator=(const char *ch)
{
if (!ch) {
clear();
return *this;
}
return assign(ch);
}
QT_ASCII_CAST_WARN inline QString &operator=(const QByteArray &a)
{
if (a.isNull()) {
clear();
return *this;
}
return assign(a);
}
// these are needed, so it compiles with STL support enabled
QT_ASCII_CAST_WARN inline QString &prepend(const char *s)
{ return prepend(QUtf8StringView(s)); }
QT_ASCII_CAST_WARN inline QString &prepend(const QByteArray &s)
{ return prepend(QUtf8StringView(s)); }
QT_ASCII_CAST_WARN inline QString &append(const char *s)
{ return append(QUtf8StringView(s)); }
QT_ASCII_CAST_WARN inline QString &append(const QByteArray &s)
{ return append(QUtf8StringView(s)); }
QT_ASCII_CAST_WARN inline QString &insert(qsizetype i, const char *s)
{ return insert(i, QUtf8StringView(s)); }
QT_ASCII_CAST_WARN inline QString &insert(qsizetype i, const QByteArray &s)
{ return insert(i, QUtf8StringView(s)); }
QT_ASCII_CAST_WARN inline QString &operator+=(const char *s)
{ return append(QUtf8StringView(s)); }
QT_ASCII_CAST_WARN inline QString &operator+=(const QByteArray &s)
{ return append(QUtf8StringView(s)); }
#if QT_CORE_REMOVED_SINCE(6, 8)
QT_ASCII_CAST_WARN inline bool operator==(const char *s) const;
QT_ASCII_CAST_WARN inline bool operator!=(const char *s) const;
QT_ASCII_CAST_WARN inline bool operator<(const char *s) const;
QT_ASCII_CAST_WARN inline bool operator<=(const char *s) const;
QT_ASCII_CAST_WARN inline bool operator>(const char *s) const;
QT_ASCII_CAST_WARN inline bool operator>=(const char *s) const;
QT_ASCII_CAST_WARN inline bool operator==(const QByteArray &s) const;
QT_ASCII_CAST_WARN inline bool operator!=(const QByteArray &s) const;
QT_ASCII_CAST_WARN inline bool operator<(const QByteArray &s) const;
QT_ASCII_CAST_WARN inline bool operator>(const QByteArray &s) const;
QT_ASCII_CAST_WARN inline bool operator<=(const QByteArray &s) const;
QT_ASCII_CAST_WARN inline bool operator>=(const QByteArray &s) const;
#else
friend bool comparesEqual(const QString &lhs, QByteArrayView rhs) noexcept
{
return QString::compare_helper(lhs.constData(), lhs.size(),
rhs.constData(), rhs.size()) == 0;
}
friend Qt::strong_ordering
compareThreeWay(const QString &lhs, QByteArrayView rhs) noexcept
{
const int res = QString::compare_helper(lhs.constData(), lhs.size(),
rhs.constData(), rhs.size());
return Qt::compareThreeWay(res, 0);
}
Q_DECLARE_STRONGLY_ORDERED(QString, QByteArrayView, QT_ASCII_CAST_WARN)
friend bool comparesEqual(const QString &lhs, const QByteArray &rhs) noexcept
{ return comparesEqual(lhs, QByteArrayView(rhs)); }
friend Qt::strong_ordering
compareThreeWay(const QString &lhs, const QByteArray &rhs) noexcept
{
return compareThreeWay(lhs, QByteArrayView(rhs));
}
Q_DECLARE_STRONGLY_ORDERED(QString, QByteArray, QT_ASCII_CAST_WARN)
friend bool comparesEqual(const QString &lhs, const char *rhs) noexcept
{ return comparesEqual(lhs, QByteArrayView(rhs)); }
friend Qt::strong_ordering
compareThreeWay(const QString &lhs, const char *rhs) noexcept
{
return compareThreeWay(lhs, QByteArrayView(rhs));
}
Q_DECLARE_STRONGLY_ORDERED(QString, const char *, QT_ASCII_CAST_WARN)
#endif // QT_CORE_REMOVED_SINCE(6, 8)
#endif // !defined(QT_NO_CAST_FROM_ASCII) && !defined(QT_RESTRICTED_CAST_FROM_ASCII)
typedef QChar *iterator;
typedef const QChar *const_iterator;
typedef iterator Iterator;
typedef const_iterator ConstIterator;
typedef std::reverse_iterator<iterator> reverse_iterator;
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
inline iterator begin();
inline const_iterator begin() const;
inline const_iterator cbegin() const;
inline const_iterator constBegin() const;
inline iterator end();
inline const_iterator end() const;
inline const_iterator cend() const;
inline const_iterator constEnd() const;
reverse_iterator rbegin() { return reverse_iterator(end()); }
reverse_iterator rend() { return reverse_iterator(begin()); }
const_reverse_iterator rbegin() const { return const_reverse_iterator(end()); }
const_reverse_iterator rend() const { return const_reverse_iterator(begin()); }
const_reverse_iterator crbegin() const { return const_reverse_iterator(end()); }
const_reverse_iterator crend() const { return const_reverse_iterator(begin()); }
// STL compatibility
typedef qsizetype size_type;
typedef qptrdiff difference_type;
typedef const QChar & const_reference;
typedef QChar & reference;
typedef QChar *pointer;
typedef const QChar *const_pointer;
typedef QChar value_type;
inline void push_back(QChar c) { append(c); }
inline void push_back(const QString &s) { append(s); }
inline void push_front(QChar c) { prepend(c); }
inline void push_front(const QString &s) { prepend(s); }
void shrink_to_fit() { squeeze(); }
iterator erase(const_iterator first, const_iterator last);
inline iterator erase(const_iterator it) { return erase(it, it + 1); }
constexpr qsizetype max_size() const noexcept
{
return maxSize();
}
static inline QString fromStdString(const std::string &s);
inline std::string toStdString() const;
static inline QString fromStdWString(const std::wstring &s);
inline std::wstring toStdWString() const;
static inline QString fromStdU16String(const std::u16string &s);
inline std::u16string toStdU16String() const;
static inline QString fromStdU32String(const std::u32string &s);
inline std::u32string toStdU32String() const;
Q_IMPLICIT inline operator std::u16string_view() const noexcept;
#if defined(Q_OS_DARWIN) || defined(Q_QDOC)
static QString fromCFString(CFStringRef string);
CFStringRef toCFString() const Q_DECL_CF_RETURNS_RETAINED;
static QString fromNSString(const NSString *string);
NSString *toNSString() const Q_DECL_NS_RETURNS_AUTORELEASED;
#endif
#if defined(Q_OS_WASM) || defined(Q_QDOC)
static QString fromEcmaString(emscripten::val jsString);
emscripten::val toEcmaString() const;
#endif
inline bool isNull() const { return d.isNull(); }
bool isRightToLeft() const;
[[nodiscard]] bool isValidUtf16() const noexcept
{ return QStringView(*this).isValidUtf16(); }
QString(qsizetype size, Qt::Initialization);
explicit QString(DataPointer &&dd) : d(std::move(dd)) {}
private:
#if defined(QT_NO_CAST_FROM_ASCII)
#define QSTRING_DECL_DELETED_ASCII_OP Q_DECL_EQ_DELETE_X("This function is not available under QT_NO_CAST_FROM_ASCII")
QString &operator+=(const char *s) QSTRING_DECL_DELETED_ASCII_OP;
QString &operator+=(const QByteArray &s) QSTRING_DECL_DELETED_ASCII_OP;
QString(const char *ch) QSTRING_DECL_DELETED_ASCII_OP;
QString(const QByteArray &a) QSTRING_DECL_DELETED_ASCII_OP;
QString &operator=(const char *ch) QSTRING_DECL_DELETED_ASCII_OP;
QString &operator=(const QByteArray &a) QSTRING_DECL_DELETED_ASCII_OP;
#undef QSTRING_DECL_DELETED_ASCII_OP
#endif
DataPointer d;
static const char16_t _empty;
void reallocData(qsizetype alloc, QArrayData::AllocationOption option);
void reallocGrowData(qsizetype n);
// ### remove once QAnyStringView supports UTF-32:
QString &assign_helper(const char32_t *data, qsizetype len);
// Defined in qstringconverter.h
template <typename InputIterator>
void assign_helper_char8(InputIterator first, InputIterator last);
static int compare_helper(const QChar *data1, qsizetype length1,
const QChar *data2, qsizetype length2,
Qt::CaseSensitivity cs = Qt::CaseSensitive) noexcept;
static int compare_helper(const QChar *data1, qsizetype length1,
const char *data2, qsizetype length2,
Qt::CaseSensitivity cs = Qt::CaseSensitive) noexcept;
static int localeAwareCompare_helper(const QChar *data1, qsizetype length1,
const QChar *data2, qsizetype length2);
static QString sliced_helper(QString &str, qsizetype pos, qsizetype n);
static QString toLower_helper(const QString &str);
static QString toLower_helper(QString &str);
static QString toUpper_helper(const QString &str);
static QString toUpper_helper(QString &str);
static QString toCaseFolded_helper(const QString &str);
static QString toCaseFolded_helper(QString &str);
static QString trimmed_helper(const QString &str);
static QString trimmed_helper(QString &str);
static QString simplified_helper(const QString &str);
static QString simplified_helper(QString &str);
static QByteArray toLatin1_helper(const QString &);
static QByteArray toLatin1_helper_inplace(QString &);
static QByteArray toUtf8_helper(const QString &);
static QByteArray toLocal8Bit_helper(const QChar *data, qsizetype size);
#if QT_CORE_REMOVED_SINCE(6, 6)
static qsizetype toUcs4_helper(const ushort *uc, qsizetype length, uint *out);
#endif
static qsizetype toUcs4_helper(const char16_t *uc, qsizetype length, char32_t *out);
static qlonglong toIntegral_helper(QStringView string, bool *ok, int base);
static qulonglong toIntegral_helper(QStringView string, bool *ok, uint base);
template <typename Predicate>
qsizetype removeIf_helper(Predicate pred)
{
const qsizetype result = d->eraseIf(pred);
if (result > 0)
d.data()[d.size] = u'\0';
return result;
}
friend class QStringView;
friend class QByteArray;
friend struct QAbstractConcatenable;
template <typename T> friend qsizetype erase(QString &s, const T &t);
template <typename Predicate> friend qsizetype erase_if(QString &s, Predicate pred);
template <typename T> static
T toIntegral_helper(QStringView string, bool *ok, int base)
{
using Int64 = typename std::conditional<std::is_unsigned<T>::value, qulonglong, qlonglong>::type;
using Int32 = typename std::conditional<std::is_unsigned<T>::value, uint, int>::type;
// we select the right overload by casting base to int or uint
Int64 val = toIntegral_helper(string, ok, Int32(base));
if (T(val) != val) {
if (ok)
*ok = false;
val = 0;
}
return T(val);
}
Q_ALWAYS_INLINE constexpr void verify([[maybe_unused]] qsizetype pos = 0,
[[maybe_unused]] qsizetype n = 1) const
{
Q_ASSERT(pos >= 0);
Q_ASSERT(pos <= d.size);
Q_ASSERT(n >= 0);
Q_ASSERT(n <= d.size - pos);
}
public:
inline DataPointer &data_ptr() { return d; }
inline const DataPointer &data_ptr() const { return d; }
};
//
// QLatin1StringView inline members that require QUtf8StringView:
//
int QLatin1StringView::compare(QUtf8StringView other, Qt::CaseSensitivity cs) const noexcept
{ return QtPrivate::compareStrings(*this, other, cs); }
//
// QLatin1StringView inline members that require QString:
//
QString QLatin1StringView::toString() const { return *this; }
//
// QStringView inline members that require QUtf8StringView:
//
int QStringView::compare(QUtf8StringView other, Qt::CaseSensitivity cs) const noexcept
{ return QtPrivate::compareStrings(*this, other, cs); }
//
// QStringView inline members that require QString:
//
QString QStringView::toString() const
{ return QString(*this); }
qint64 QStringView::toLongLong(bool *ok, int base) const
{ return QString::toIntegral_helper<qint64>(*this, ok, base); }
quint64 QStringView::toULongLong(bool *ok, int base) const
{ return QString::toIntegral_helper<quint64>(*this, ok, base); }
long QStringView::toLong(bool *ok, int base) const
{ return QString::toIntegral_helper<long>(*this, ok, base); }
ulong QStringView::toULong(bool *ok, int base) const
{ return QString::toIntegral_helper<ulong>(*this, ok, base); }
int QStringView::toInt(bool *ok, int base) const
{ return QString::toIntegral_helper<int>(*this, ok, base); }
uint QStringView::toUInt(bool *ok, int base) const
{ return QString::toIntegral_helper<uint>(*this, ok, base); }
short QStringView::toShort(bool *ok, int base) const
{ return QString::toIntegral_helper<short>(*this, ok, base); }
ushort QStringView::toUShort(bool *ok, int base) const
{ return QString::toIntegral_helper<ushort>(*this, ok, base); }
//
// QUtf8StringView inline members that require QStringView:
//
template <bool UseChar8T>
int QBasicUtf8StringView<UseChar8T>::compare(QChar other, Qt::CaseSensitivity cs) const noexcept
{
return QtPrivate::compareStrings(*this, QStringView(&other, 1), cs);
}
template <bool UseChar8T>
int QBasicUtf8StringView<UseChar8T>::compare(QStringView other, Qt::CaseSensitivity cs) const noexcept
{
return QtPrivate::compareStrings(*this, other, cs);
}
template <bool UseChar8T>
[[nodiscard]] bool QBasicUtf8StringView<UseChar8T>::equal(QChar other) const noexcept
{
return QtPrivate::equalStrings(*this, QStringView(&other, 1));
}
template <bool UseChar8T>
[[nodiscard]] bool QBasicUtf8StringView<UseChar8T>::equal(QStringView other) const noexcept
{
return QtPrivate::equalStrings(*this, other);
}
//
// QUtf8StringView inline members that require QString, QL1SV or QBA:
//
template <bool UseChar8T>
QString QBasicUtf8StringView<UseChar8T>::toString() const
{
return QString::fromUtf8(data(), size());
}
template<bool UseChar8T>
[[nodiscard]] int QBasicUtf8StringView<UseChar8T>::compare(QLatin1StringView other,
Qt::CaseSensitivity cs) const noexcept
{
return QtPrivate::compareStrings(*this, other, cs);
}
template<bool UseChar8T>
[[nodiscard]] int QBasicUtf8StringView<UseChar8T>::compare(const QByteArray &other,
Qt::CaseSensitivity cs) const noexcept
{
return QtPrivate::compareStrings(*this,
QBasicUtf8StringView<UseChar8T>(other.data(), other.size()),
cs);
}
template <bool UseChar8T>
[[nodiscard]] bool QBasicUtf8StringView<UseChar8T>::equal(QLatin1StringView other) const noexcept
{
return QtPrivate::equalStrings(*this, other);
}
template <bool UseChar8T>
[[nodiscard]] bool QBasicUtf8StringView<UseChar8T>::equal(const QByteArray &other) const noexcept
{
return size() == other.size()
&& QtPrivate::equalStrings(*this, QBasicUtf8StringView<UseChar8T>(other.data(),
other.size()));
}
//
// QAnyStringView inline members that require QString:
//
QAnyStringView::QAnyStringView(const QByteArray &str) noexcept
: QAnyStringView{str.begin(), str.size()} {}
QAnyStringView::QAnyStringView(const QString &str) noexcept
: QAnyStringView{str.begin(), str.size()} {}
QString QAnyStringView::toString() const
{ return QtPrivate::convertToQString(*this); }
//
// QString inline members
//
QString::QString(QLatin1StringView latin1)
: QString{QString::fromLatin1(latin1.data(), latin1.size())} {}
const QChar QString::at(qsizetype i) const
{ verify(i, 1); return QChar(d.data()[i]); }
const QChar QString::operator[](qsizetype i) const
{ verify(i, 1); return QChar(d.data()[i]); }
const QChar *QString::unicode() const
{ return data(); }
const QChar *QString::data() const
{
#if QT5_NULL_STRINGS == 1
return reinterpret_cast<const QChar *>(d.data() ? d.data() : &_empty);
#else
return reinterpret_cast<const QChar *>(d.data());
#endif
}
QChar *QString::data()
{
detach();
Q_ASSERT(d.data());
return reinterpret_cast<QChar *>(d.data());
}
const QChar *QString::constData() const
{ return data(); }
void QString::detach()
{ if (d.needsDetach()) reallocData(d.size, QArrayData::KeepSize); }
bool QString::isDetached() const
{ return !d.isShared(); }
void QString::clear()
{ if (!isNull()) *this = QString(); }
QString::QString(const QString &other) noexcept : d(other.d)
{ }
qsizetype QString::capacity() const { return qsizetype(d.constAllocatedCapacity()); }
QString &QString::setNum(short n, int base)
{ return setNum(qlonglong(n), base); }
QString &QString::setNum(ushort n, int base)
{ return setNum(qulonglong(n), base); }
QString &QString::setNum(int n, int base)
{ return setNum(qlonglong(n), base); }
QString &QString::setNum(uint n, int base)
{ return setNum(qulonglong(n), base); }
QString &QString::setNum(long n, int base)
{ return setNum(qlonglong(n), base); }
QString &QString::setNum(ulong n, int base)
{ return setNum(qulonglong(n), base); }
QString &QString::setNum(float n, char f, int prec)
{ return setNum(double(n),f,prec); }
#if QT_CORE_REMOVED_SINCE(6, 9)
QString QString::arg(int a, int fieldWidth, int base, QChar fillChar) const
{ return arg(qlonglong(a), fieldWidth, base, fillChar); }
QString QString::arg(uint a, int fieldWidth, int base, QChar fillChar) const
{ return arg(qulonglong(a), fieldWidth, base, fillChar); }
QString QString::arg(long a, int fieldWidth, int base, QChar fillChar) const
{ return arg(qlonglong(a), fieldWidth, base, fillChar); }
QString QString::arg(ulong a, int fieldWidth, int base, QChar fillChar) const
{ return arg(qulonglong(a), fieldWidth, base, fillChar); }
QString QString::arg(short a, int fieldWidth, int base, QChar fillChar) const
{ return arg(qlonglong(a), fieldWidth, base, fillChar); }
QString QString::arg(ushort a, int fieldWidth, int base, QChar fillChar) const
{ return arg(qulonglong(a), fieldWidth, base, fillChar); }
#endif // QT_CORE_REMOVED_SINCE
QString QString::section(QChar asep, qsizetype astart, qsizetype aend, SectionFlags aflags) const
{ return section(QString(asep), astart, aend, aflags); }
QT_WARNING_PUSH
QT_WARNING_DISABLE_MSVC(4127) // "conditional expression is constant"
QT_WARNING_DISABLE_INTEL(111) // "statement is unreachable"
qsizetype QString::toWCharArray(wchar_t *array) const
{
return qToStringViewIgnoringNull(*this).toWCharArray(array);
}
qsizetype QStringView::toWCharArray(wchar_t *array) const
{
if (sizeof(wchar_t) == sizeof(QChar)) {
if (auto src = data())
memcpy(array, src, sizeof(QChar) * size());
return size();
} else {
return QString::toUcs4_helper(utf16(), size(), reinterpret_cast<char32_t *>(array));
}
}
QT_WARNING_POP
QString QString::fromWCharArray(const wchar_t *string, qsizetype size)
{
if constexpr (sizeof(wchar_t) == sizeof(QChar)) {
return QString(reinterpret_cast<const QChar *>(string), size);
} else {
#ifdef QT_BOOTSTRAPPED
Q_UNREACHABLE_RETURN(QString());
#else
return fromUcs4(reinterpret_cast<const char32_t *>(string), size);
#endif
}
}
constexpr QString::QString() noexcept {}
QString::~QString() {}
void QString::reserve(qsizetype asize)
{
if (d.needsDetach() || asize >= capacity() - d.freeSpaceAtBegin())
reallocData(qMax(asize, size()), QArrayData::KeepSize);
if (d.constAllocatedCapacity())
d.setFlag(Data::CapacityReserved);
}
void QString::squeeze()
{
if (!d.isMutable())
return;
if (d.needsDetach() || size() < capacity())
reallocData(d.size, QArrayData::KeepSize);
if (d.constAllocatedCapacity())
d.clearFlag(Data::CapacityReserved);
}
QChar &QString::operator[](qsizetype i)
{ verify(i, 1); return data()[i]; }
QChar &QString::front() { return operator[](0); }
QChar &QString::back() { return operator[](size() - 1); }
QString::iterator QString::begin()
{ detach(); return reinterpret_cast<QChar*>(d.data()); }
QString::const_iterator QString::begin() const
{ return reinterpret_cast<const QChar*>(d.data()); }
QString::const_iterator QString::cbegin() const
{ return reinterpret_cast<const QChar*>(d.data()); }
QString::const_iterator QString::constBegin() const
{ return reinterpret_cast<const QChar*>(d.data()); }
QString::iterator QString::end()
{ detach(); return reinterpret_cast<QChar*>(d.data() + d.size); }
QString::const_iterator QString::end() const
{ return reinterpret_cast<const QChar*>(d.data() + d.size); }
QString::const_iterator QString::cend() const
{ return reinterpret_cast<const QChar*>(d.data() + d.size); }
QString::const_iterator QString::constEnd() const
{ return reinterpret_cast<const QChar*>(d.data() + d.size); }
bool QString::contains(const QString &s, Qt::CaseSensitivity cs) const
{ return indexOf(s, 0, cs) != -1; }
bool QString::contains(QLatin1StringView s, Qt::CaseSensitivity cs) const
{ return indexOf(s, 0, cs) != -1; }
bool QString::contains(QChar c, Qt::CaseSensitivity cs) const
{ return indexOf(c, 0, cs) != -1; }
bool QString::contains(QStringView s, Qt::CaseSensitivity cs) const noexcept
{ return indexOf(s, 0, cs) != -1; }
#if !defined(QT_NO_CAST_FROM_ASCII) && !defined(QT_RESTRICTED_CAST_FROM_ASCII)
#if QT_CORE_REMOVED_SINCE(6, 8)
bool QString::operator==(const char *s) const
{ return QString::compare_helper(constData(), size(), s, -1) == 0; }
bool QString::operator!=(const char *s) const
{ return QString::compare_helper(constData(), size(), s, -1) != 0; }
bool QString::operator<(const char *s) const
{ return QString::compare_helper(constData(), size(), s, -1) < 0; }
bool QString::operator>(const char *s) const
{ return QString::compare_helper(constData(), size(), s, -1) > 0; }
bool QString::operator<=(const char *s) const
{ return QString::compare_helper(constData(), size(), s, -1) <= 0; }
bool QString::operator>=(const char *s) const
{ return QString::compare_helper(constData(), size(), s, -1) >= 0; }
QT_ASCII_CAST_WARN bool QString::operator==(const QByteArray &s) const
{ return QString::compare_helper(constData(), size(), s.constData(), s.size()) == 0; }
QT_ASCII_CAST_WARN bool QString::operator!=(const QByteArray &s) const
{ return QString::compare_helper(constData(), size(), s.constData(), s.size()) != 0; }
QT_ASCII_CAST_WARN bool QString::operator<(const QByteArray &s) const
{ return QString::compare_helper(constData(), size(), s.constData(), s.size()) < 0; }
QT_ASCII_CAST_WARN bool QString::operator>(const QByteArray &s) const
{ return QString::compare_helper(constData(), size(), s.constData(), s.size()) > 0; }
QT_ASCII_CAST_WARN bool QString::operator<=(const QByteArray &s) const
{ return QString::compare_helper(constData(), size(), s.constData(), s.size()) <= 0; }
QT_ASCII_CAST_WARN bool QString::operator>=(const QByteArray &s) const
{ return QString::compare_helper(constData(), size(), s.constData(), s.size()) >= 0; }
bool QByteArray::operator==(const QString &s) const
{ return QString::compare_helper(s.constData(), s.size(), constData(), size()) == 0; }
bool QByteArray::operator!=(const QString &s) const
{ return QString::compare_helper(s.constData(), s.size(), constData(), size()) != 0; }
bool QByteArray::operator<(const QString &s) const
{ return QString::compare_helper(s.constData(), s.size(), constData(), size()) > 0; }
bool QByteArray::operator>(const QString &s) const
{ return QString::compare_helper(s.constData(), s.size(), constData(), size()) < 0; }
bool QByteArray::operator<=(const QString &s) const
{ return QString::compare_helper(s.constData(), s.size(), constData(), size()) >= 0; }
bool QByteArray::operator>=(const QString &s) const
{ return QString::compare_helper(s.constData(), s.size(), constData(), size()) <= 0; }
#endif // QT_CORE_REMOVED_SINCE(6, 8)
#endif // !defined(QT_NO_CAST_FROM_ASCII) && !defined(QT_RESTRICTED_CAST_FROM_ASCII)
#if !defined(QT_USE_FAST_OPERATOR_PLUS) && !defined(QT_USE_QSTRINGBUILDER)
// QString + QString
inline QString operator+(const QString &s1, const QString &s2)
{ QString t(s1); t += s2; return t; }
inline QString operator+(QString &&lhs, const QString &rhs)
{ return std::move(lhs += rhs); }
inline QString operator+(const QString &s1, QChar s2)
{ QString t(s1); t += s2; return t; }
inline QString operator+(QString &&lhs, QChar rhs)
{ return std::move(lhs += rhs); }
inline QString operator+(QChar s1, const QString &s2)
{ QString t(s1); t += s2; return t; }
inline QString operator+(const QString &lhs, QStringView rhs)
{
QString ret{lhs.size() + rhs.size(), Qt::Uninitialized};
return ret.assign(lhs).append(rhs);
}
inline QString operator+(QStringView lhs, const QString &rhs)
{
QString ret{lhs.size() + rhs.size(), Qt::Uninitialized};
return ret.assign(lhs).append(rhs);
}
# if !defined(QT_NO_CAST_FROM_ASCII) && !defined(QT_RESTRICTED_CAST_FROM_ASCII)
QT_ASCII_CAST_WARN inline QString operator+(const QString &s1, const char *s2)
{ QString t(s1); t += QUtf8StringView(s2); return t; }
QT_ASCII_CAST_WARN inline QString operator+(QString &&lhs, const char *rhs)
{ QT_IGNORE_DEPRECATIONS(return std::move(lhs += rhs);) }
QT_ASCII_CAST_WARN inline QString operator+(const char *s1, const QString &s2)
{ QString t = QString::fromUtf8(s1); t += s2; return t; }
QT_ASCII_CAST_WARN inline QString operator+(const QByteArray &ba, const QString &s)
{ QString t = QString::fromUtf8(ba); t += s; return t; }
QT_ASCII_CAST_WARN inline QString operator+(const QString &s, const QByteArray &ba)
{ QString t(s); t += QUtf8StringView(ba); return t; }
QT_ASCII_CAST_WARN inline QString operator+(QString &&lhs, const QByteArray &rhs)
{ QT_IGNORE_DEPRECATIONS(return std::move(lhs += rhs);) }
# endif // QT_NO_CAST_FROM_ASCII
#endif // QT_USE_QSTRINGBUILDER
std::string QString::toStdString() const
{ return toUtf8().toStdString(); }
QString QString::fromStdString(const std::string &s)
{ return fromUtf8(s.data(), qsizetype(s.size())); }
std::wstring QString::toStdWString() const
{
std::wstring str;
str.resize(size());
str.resize(toWCharArray(str.data()));
return str;
}
QString QString::fromStdWString(const std::wstring &s)
{ return fromWCharArray(s.data(), qsizetype(s.size())); }
QString QString::fromStdU16String(const std::u16string &s)
{ return fromUtf16(s.data(), qsizetype(s.size())); }
std::u16string QString::toStdU16String() const
{ return std::u16string(reinterpret_cast<const char16_t*>(data()), size()); }
QString QString::fromStdU32String(const std::u32string &s)
{ return fromUcs4(s.data(), qsizetype(s.size())); }
std::u32string QString::toStdU32String() const
{
std::u32string u32str(size(), char32_t(0));
const qsizetype len = toUcs4_helper(reinterpret_cast<const char16_t *>(data()),
size(), u32str.data());
u32str.resize(len);
return u32str;
}
QString::operator std::u16string_view() const noexcept
{
return std::u16string_view(d.data(), size_t(d.size));
}
#if !defined(QT_NO_DATASTREAM) || defined(QT_BOOTSTRAPPED)
Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QString &);
Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QString &);
#endif
Q_DECLARE_SHARED(QString)
Q_DECLARE_OPERATORS_FOR_FLAGS(QString::SectionFlags)
int QString::compare(QStringView s, Qt::CaseSensitivity cs) const noexcept
{ return -s.compare(*this, cs); }
int QString::localeAwareCompare(QStringView s) const
{ return localeAwareCompare_helper(constData(), size(), s.constData(), s.size()); }
int QString::localeAwareCompare(QStringView s1, QStringView s2)
{ return localeAwareCompare_helper(s1.constData(), s1.size(), s2.constData(), s2.size()); }
int QStringView::localeAwareCompare(QStringView other) const
{ return QString::localeAwareCompare(*this, other); }
#if QT_CORE_INLINE_IMPL_SINCE(6, 5)
qint64 QString::toLongLong(bool *ok, int base) const
{
return toIntegral_helper<qlonglong>(*this, ok, base);
}
quint64 QString::toULongLong(bool *ok, int base) const
{
return toIntegral_helper<qulonglong>(*this, ok, base);
}
#endif
#if QT_CORE_INLINE_IMPL_SINCE(6, 8)
qsizetype QString::indexOf(QChar ch, qsizetype from, Qt::CaseSensitivity cs) const
{
return qToStringViewIgnoringNull(*this).indexOf(ch, from, cs);
}
qsizetype QString::lastIndexOf(QChar ch, qsizetype from, Qt::CaseSensitivity cs) const
{
return qToStringViewIgnoringNull(*this).lastIndexOf(ch, from, cs);
}
#endif
namespace QtPrivate {
// used by qPrintable() and qUtf8Printable() macros
inline const QString &asString(const QString &s) { return s; }
inline QString &&asString(QString &&s) { return std::move(s); }
}
#ifndef qPrintable
# define qPrintable(string) QtPrivate::asString(string).toLocal8Bit().constData()
#endif
#ifndef qUtf8Printable
# define qUtf8Printable(string) QtPrivate::asString(string).toUtf8().constData()
#endif
/*
Wrap QString::utf16() with enough casts to allow passing it
to QString::asprintf("%ls") without warnings.
*/
#ifndef qUtf16Printable
# define qUtf16Printable(string) \
static_cast<const wchar_t*>(static_cast<const void*>(QtPrivate::asString(string).utf16()))
#endif
//
// QStringView::arg() implementation
//
namespace QtPrivate {
struct ArgBase {
enum Tag : uchar { L1, Any, U16 } tag;
};
struct QStringViewArg : ArgBase {
QStringView string;
QStringViewArg() = default;
constexpr explicit QStringViewArg(QStringView v) noexcept : ArgBase{U16}, string{v} {}
};
struct QLatin1StringArg : ArgBase {
QLatin1StringView string;
QLatin1StringArg() = default;
constexpr explicit QLatin1StringArg(QLatin1StringView v) noexcept : ArgBase{L1}, string{v} {}
};
struct QAnyStringArg : ArgBase {
QAnyStringView string;
QAnyStringArg() = default;
constexpr explicit QAnyStringArg(QAnyStringView v) noexcept : ArgBase{Any}, string{v} {}
};
#if QT_CORE_REMOVED_SINCE(6, 9)
[[nodiscard]] Q_CORE_EXPORT QString argToQString(QStringView pattern, size_t n, const ArgBase **args);
[[nodiscard]] Q_CORE_EXPORT QString argToQString(QLatin1StringView pattern, size_t n, const ArgBase **args);
#endif
[[nodiscard]] Q_CORE_EXPORT QString argToQString(QAnyStringView pattern, size_t n, const ArgBase **args);
template <typename...Args>
[[nodiscard]] Q_ALWAYS_INLINE QString argToQStringDispatch(QAnyStringView pattern, const Args &...args)
{
const ArgBase *argBases[] = {&args..., /* avoid zero-sized array */ nullptr};
return QtPrivate::argToQString(pattern, sizeof...(Args), argBases);
}
constexpr inline QAnyStringArg qStringLikeToArg(QAnyStringView s) noexcept { return QAnyStringArg{s}; }
} // namespace QtPrivate
template <typename...Args>
Q_ALWAYS_INLINE
QString QStringView::arg(Args &&...args) const
{
return QtPrivate::argToQStringDispatch(*this, QtPrivate::qStringLikeToArg(args)...);
}
template <typename...Args>
Q_ALWAYS_INLINE
QString QLatin1StringView::arg(Args &&...args) const
{
return QtPrivate::argToQStringDispatch(*this, QtPrivate::qStringLikeToArg(args)...);
}
template <bool HasChar8T>
template <typename...Args>
QString QBasicUtf8StringView<HasChar8T>::arg(Args &&...args) const
{
return QtPrivate::argToQStringDispatch(*this, QtPrivate::qStringLikeToArg(args)...);
}
template <typename...Args>
QString QAnyStringView::arg(Args &&...args) const
{
return QtPrivate::argToQStringDispatch(*this, QtPrivate::qStringLikeToArg(args)...);
}
template <typename T>
qsizetype erase(QString &s, const T &t)
{
return s.removeIf_helper([&t](const auto &e) { return t == e; });
}
template <typename Predicate>
qsizetype erase_if(QString &s, Predicate pred)
{
return s.removeIf_helper(pred);
}
namespace Qt {
inline namespace Literals {
inline namespace StringLiterals {
inline QString operator""_s(const char16_t *str, size_t size) noexcept
{
return QString(QStringPrivate(nullptr, const_cast<char16_t *>(str), qsizetype(size)));
}
} // StringLiterals
} // Literals
} // Qt
inline namespace QtLiterals {
#if QT_DEPRECATED_SINCE(6, 8)
QT_DEPRECATED_VERSION_X_6_8("Use _s from Qt::StringLiterals namespace instead.")
inline QString operator""_qs(const char16_t *str, size_t size) noexcept
{
return Qt::StringLiterals::operator""_s(str, size);
}
#endif // QT_DEPRECATED_SINCE(6, 8)
} // QtLiterals
QT_END_NAMESPACE
#include <QtCore/qstringbuilder.h>
#include <QtCore/qstringconverter.h>
#ifdef Q_L1S_VIEW_IS_PRIMARY
# undef Q_L1S_VIEW_IS_PRIMARY
#endif
#endif // QSTRING_H