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Internal/Contributor docs for the Qt SDK. Note: These are NOT official API docs; those are found at https://doc.qt.io/
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qstring.h File Reference

(e78d0a75163579e095de0341cd7c827744f39b94)

#include <QtCore/qchar.h>
#include <QtCore/qcompare.h>
#include <QtCore/qbytearray.h>
#include <QtCore/qbytearrayview.h>
#include <QtCore/qarraydata.h>
#include <QtCore/qarraydatapointer.h>
#include <QtCore/qlatin1stringview.h>
#include <QtCore/qnamespace.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 <QtCore/q23type_traits.h>
#include <stdarg.h>
#include <QtCore/qstringbuilder.h>
#include <QtCore/qstringconverter.h>
Include dependency graph for qstring.h:

Go to the source code of this file.

Classes

struct  QtPrivate::treat_as_integral_arg< T >
struct  QtPrivate::treat_as_integral_arg< unsigned short >
struct  QtPrivate::treat_as_integral_arg< signed short >
struct  QtPrivate::treat_as_integral_arg< unsigned char >
struct  QtPrivate::treat_as_integral_arg< signed char >
class  QString
 \macro QT_RESTRICTED_CAST_FROM_ASCII More...
struct  QtPrivate::ArgBase
struct  QtPrivate::QStringViewArg
struct  QtPrivate::QLatin1StringArg
struct  QtPrivate::QAnyStringArg

Namespaces

namespace  QtPrivate
namespace  Qt
namespace  Qt::Literals
namespace  Qt::Literals::StringLiterals
namespace  QtLiterals

Macros

#define qPrintable(string)
#define qUtf8Printable(string)
#define qUtf16Printable(string)
#define QT_UNICODE_LITERAL(str)
#define QStringLiteral(str)

Typedefs

template<typename Char>
using QtPrivate::IsCompatibleChar32TypeHelper
template<typename Char>
using QtPrivate::IsCompatibleChar32Type = IsCompatibleChar32TypeHelper<q20::remove_cvref_t<Char>>
using QStringPrivate = QArrayDataPointer<char16_t>

Functions

QString operator+ (const QString &s1s1, const QString &s2)
QString operator+ (QString &&lhs, const QString &rhs)
QString operator+ (const QString &s1s1, QChar s2)
QString operator+ (QString &&lhs, QChar rhs)
QString operator+ (QChar s1s1, const QString &s2)
QString operator+ (const QString &lhs, QStringView rhs)
QString operator+ (QStringView lhs, const QString &rhs)
QT_ASCII_CAST_WARN QString operator+ (const QString &s1s1, const char *s2)
QT_ASCII_CAST_WARN QString operator+ (QString &&lhs, const char *rhs)
QT_ASCII_CAST_WARN QString operator+ (const char *s1s1, const QString &s2)
QT_ASCII_CAST_WARN QString operator+ (const QByteArray &ba, const QString &ss)
QT_ASCII_CAST_WARN QString operator+ (const QString &ss, const QByteArray &ba)
QT_ASCII_CAST_WARN QString operator+ (QString &&lhs, const QByteArray &rhs)
Q_CORE_EXPORT QDataStream & operator<< (QDataStream &out, const QString &str)
Q_CORE_EXPORT QDataStream & operator>> (QDataStream &inin, QString &str)
const QString & QtPrivate::asString (const QString &ss)
QString && QtPrivate::asString (QString &&ss)
Q_CORE_EXPORT QString QtPrivate::argToQString (QAnyStringView patternpattern, size_t nn, const ArgBase **args)
template<typename... Args>
Q_ALWAYS_INLINE QString QtPrivate::argToQStringDispatch (QAnyStringView patternpattern, const Args &...args)
constexpr QAnyStringArg QtPrivate::qStringLikeToArg (QAnyStringView ss) noexcept
template<typename T>
qsizetype erase (QString &ss, const T &tt)
template<typename Predicate>
qsizetype erase_if (QString &ss, Predicate pred)
Q_DECL_CONSTEXPR_DTOR QString Qt::Literals::StringLiterals::operator""_s (const char16_t *str, size_t sizesize) noexcept
template<qsizetype N>
static Q_ALWAYS_INLINE QStringPrivate QtPrivate::qMakeStringPrivate (const char16_t(&literal)[N])

Macro Definition Documentation

◆ qPrintable

#define qPrintable ( string)
Value:
QtPrivate::asString(string).toLocal8Bit().constData()
QByteArray::constData
constexpr const char * constData() const noexcept
Returns a pointer to the const data stored in the byte array.
Definition qbytearray.h:142
QString::toLocal8Bit
QByteArray toLocal8Bit() const &
Definition qstring.h:771

Definition at line 1718 of file qstring.h.

◆ QStringLiteral

#define QStringLiteral ( str)
Value:
(QString(QtPrivate::qMakeStringPrivate(QT_UNICODE_LITERAL(str))))
QString::QString
constexpr QString() noexcept=default
Constructs a null string.
QT_UNICODE_LITERAL
#define QT_UNICODE_LITERAL(str)
Definition qstring.h:1848
str
QString str("QStringBuilder")
[5]

Definition at line 1865 of file qstring.h.

◆ QT_UNICODE_LITERAL

#define QT_UNICODE_LITERAL ( str)
Value:
u"" str

Definition at line 1848 of file qstring.h.

◆ qUtf16Printable

#define qUtf16Printable ( string)
Value:
static_cast<const wchar_t *>( \
static_cast<const void *>(QtPrivate::asString(string).nullTerminated().constData()))

Definition at line 1730 of file qstring.h.

◆ qUtf8Printable

#define qUtf8Printable ( string)
Value:
QtPrivate::asString(string).toUtf8().constData()
QString::toUtf8
QByteArray toUtf8() const &
Definition qstring.h:767

Definition at line 1722 of file qstring.h.

Typedef Documentation

◆ QStringPrivate

using QStringPrivate = QArrayDataPointer<char16_t>

Definition at line 174 of file qstring.h.

Function Documentation

◆ erase()

template<typename T>
qsizetype erase ( QString & s,
const T & t )

Definition at line 1808 of file qstring.h.

◆ erase_if()

template<typename Predicate>
qsizetype erase_if ( QString & s,
Predicate pred )

Definition at line 1814 of file qstring.h.

◆ operator+() [1/13]

QT_ASCII_CAST_WARN QString operator+ ( const char * s1,
const QString & s2 )
related

Definition at line 1599 of file qstring.h.

◆ operator+() [2/13]

QT_ASCII_CAST_WARN QString operator+ ( const QByteArray & ba,
const QString & s )
inline

Definition at line 1601 of file qstring.h.

◆ operator+() [3/13]

QString operator+ ( const QString & lhs,
QStringView rhs )
related

Definition at line 1583 of file qstring.h.

◆ operator+() [4/13]

QT_ASCII_CAST_WARN QString operator+ ( const QString & s,
const QByteArray & ba )
inline

Definition at line 1603 of file qstring.h.

◆ operator+() [5/13]

QT_ASCII_CAST_WARN QString operator+ ( const QString & s1,
const char * s2 )
related

Definition at line 1595 of file qstring.h.

◆ operator+() [6/13]

QString operator+ ( const QString & s1,
const QString & s2 )
inline

Definition at line 1573 of file qstring.h.

◆ operator+() [7/13]

QString operator+ ( const QString & s1,
QChar s2 )
inline

Definition at line 1577 of file qstring.h.

◆ operator+() [8/13]

QString operator+ ( QChar s1,
const QString & s2 )
inline

Definition at line 1581 of file qstring.h.

◆ operator+() [9/13]

QT_ASCII_CAST_WARN QString operator+ ( QString && lhs,
const char * rhs )
inline

Definition at line 1597 of file qstring.h.

◆ operator+() [10/13]

QT_ASCII_CAST_WARN QString operator+ ( QString && lhs,
const QByteArray & rhs )
inline

Definition at line 1605 of file qstring.h.

◆ operator+() [11/13]

QString operator+ ( QString && lhs,
const QString & rhs )
related

Definition at line 1575 of file qstring.h.

◆ operator+() [12/13]

QString operator+ ( QString && lhs,
QChar rhs )
inline

Definition at line 1579 of file qstring.h.

◆ operator+() [13/13]

QString operator+ ( QStringView lhs,
const QString & rhs )
inline

Definition at line 1588 of file qstring.h.

◆ operator<<()

QDataStream & operator<< ( QDataStream & out,
const QString & str )
related

Definition at line 9486 of file qstring.cpp.

◆ operator>>()

QDataStream & operator>> ( QDataStream & in,
QString & str )
related

Definition at line 9517 of file qstring.cpp.