qstring.h File Reference

#include <QtCore/qchar.h>
#include <QtCore/qbytearray.h>
#include <QtCore/qatomic.h>
#include <QtCore/qnamespace.h>
#include <string>
#include <stdarg.h>

Go to the source code of this file.

Classes
class	QString
struct	QString::Null
struct	QString::Data
class	QLatin1String
class	QCharRef
class	QStringRef
Typedefs
typedef std::basic_string < wchar_t >	QStdWString
Functions
bool	operator== (QString::Null, QString::Null)
bool	operator== (QString::Null, const QString &s)
bool	operator== (const QString &s, QString::Null)
bool	operator!= (QString::Null, QString::Null)
bool	operator!= (QString::Null, const QString &s)
bool	operator!= (const QString &s, QString::Null)
bool	qStringComparisonHelper (const QString &s1, const char *s2)
QT_ASCII_CAST_WARN bool	operator== (const char *s1, const QString &s2)
QT_ASCII_CAST_WARN bool	operator!= (const char *s1, const QString &s2)
QT_ASCII_CAST_WARN bool	operator< (const char *s1, const QString &s2)
QT_ASCII_CAST_WARN bool	operator> (const char *s1, const QString &s2)
QT_ASCII_CAST_WARN bool	operator<= (const char *s1, const QString &s2)
QT_ASCII_CAST_WARN bool	operator>= (const char *s1, const QString &s2)
QT_ASCII_CAST_WARN bool	operator== (const char *s1, const QLatin1String &s2)
QT_ASCII_CAST_WARN bool	operator!= (const char *s1, const QLatin1String &s2)
QT_ASCII_CAST_WARN bool	operator< (const char *s1, const QLatin1String &s2)
QT_ASCII_CAST_WARN bool	operator> (const char *s1, const QLatin1String &s2)
QT_ASCII_CAST_WARN bool	operator<= (const char *s1, const QLatin1String &s2)
QT_ASCII_CAST_WARN bool	operator>= (const char *s1, const QLatin1String &s2)
bool	operator== (const QLatin1String &s1, const QLatin1String &s2)
bool	operator!= (const QLatin1String &s1, const QLatin1String &s2)
bool	operator< (const QLatin1String &s1, const QLatin1String &s2)
bool	operator<= (const QLatin1String &s1, const QLatin1String &s2)
bool	operator> (const QLatin1String &s1, const QLatin1String &s2)
bool	operator>= (const QLatin1String &s1, const QLatin1String &s2)
const QString	operator+ (const QString &s1, const QString &s2)
const QString	operator+ (const QString &s1, QChar s2)
const QString	operator+ (QChar s1, const QString &s2)
QT_ASCII_CAST_WARN const QString	operator+ (const QString &s1, const char *s2)
QT_ASCII_CAST_WARN const QString	operator+ (const char *s1, const QString &s2)
QT_ASCII_CAST_WARN const QString	operator+ (char c, const QString &s)
QT_ASCII_CAST_WARN const QString	operator+ (const QString &s, char c)
QT_ASCII_CAST_WARN const QString	operator+ (const QByteArray &ba, const QString &s)
QT_ASCII_CAST_WARN const QString	operator+ (const QString &s, const QByteArray &ba)
Q_CORE_EXPORT QDataStream &	operator<< (QDataStream &, const QString &)
Q_CORE_EXPORT QDataStream &	operator>> (QDataStream &, QString &)
	Q_DECLARE_TYPEINFO (QString, Q_MOVABLE_TYPE)
Q_CORE_EXPORT bool	operator== (const QStringRef &s1, const QStringRef &s2)
bool	operator!= (const QStringRef &s1, const QStringRef &s2)
Q_CORE_EXPORT bool	operator== (const QString &s1, const QStringRef &s2)
bool	operator!= (const QString &s1, const QStringRef &s2)
bool	operator== (const QStringRef &s1, const QString &s2)
bool	operator!= (const QStringRef &s1, const QString &s2)
Q_CORE_EXPORT bool	operator== (const QLatin1String &s1, const QStringRef &s2)
bool	operator!= (const QLatin1String &s1, const QStringRef &s2)
bool	operator== (const QStringRef &s1, const QLatin1String &s2)
bool	operator!= (const QStringRef &s1, const QLatin1String &s2)
Q_CORE_EXPORT bool	operator< (const QStringRef &s1, const QStringRef &s2)
bool	operator> (const QStringRef &s1, const QStringRef &s2)
bool	operator<= (const QStringRef &s1, const QStringRef &s2)
bool	operator>= (const QStringRef &s1, const QStringRef &s2)
bool	qStringComparisonHelper (const QStringRef &s1, const char *s2)
QT_ASCII_CAST_WARN bool	operator== (const char *s1, const QStringRef &s2)
QT_ASCII_CAST_WARN bool	operator== (const QStringRef &s1, const char *s2)
QT_ASCII_CAST_WARN bool	operator!= (const char *s1, const QStringRef &s2)
QT_ASCII_CAST_WARN bool	operator!= (const QStringRef &s1, const char *s2)

---

Typedef Documentation

typedef std::basic_string<wchar_t> QStdWString

Search for all occurrences

Definition at line 65 of file qstring.h.

---

Function Documentation

bool operator==	(	QString::Null	,
		QString::Null
	)		[inline]

Definition at line 909 of file qstring.h.

{ return true; }

bool operator==	(	QString::Null	,
		const QString &	s
	)		[inline]

Definition at line 910 of file qstring.h.

{ return s.isNull(); }

bool operator==	(	const QString &	s,
		QString::Null
	)		[inline]

Definition at line 911 of file qstring.h.

{ return s.isNull(); }

bool operator!=	(	QString::Null	,
		QString::Null
	)		[inline]

Definition at line 912 of file qstring.h.

{ return false; }

bool operator!=	(	QString::Null	,
		const QString &	s
	)		[inline]

Definition at line 913 of file qstring.h.

{ return !s.isNull(); }

bool operator!=	(	const QString &	s,
		QString::Null
	)		[inline]

Definition at line 914 of file qstring.h.

{ return !s.isNull(); }

bool qStringComparisonHelper	(	const QString &	s1,
		const char *	s2
	)		[inline]

Search for all occurrences

Definition at line 917 of file qstring.h.

{
#  ifndef QT_NO_TEXTCODEC
    if (QString::codecForCStrings) return (s1 == QString::fromAscii(s2));
#  endif
    return (s1 == QLatin1String(s2));
}

QT_ASCII_CAST_WARN bool operator==	(	const char *	s1,
		const QString &	s2
	)		[inline]

Definition at line 937 of file qstring.h.

{ return qStringComparisonHelper(s2, s1); }

QT_ASCII_CAST_WARN bool operator!=	(	const char *	s1,
		const QString &	s2
	)		[inline]

Definition at line 939 of file qstring.h.

{ return !qStringComparisonHelper(s2, s1); }

QT_ASCII_CAST_WARN bool operator<	(	const char *	s1,
		const QString &	s2
	)		[inline]

Definition at line 941 of file qstring.h.

{ return (QString::fromAscii(s1) < s2); }

QT_ASCII_CAST_WARN bool operator>	(	const char *	s1,
		const QString &	s2
	)		[inline]

Definition at line 943 of file qstring.h.

{ return (QString::fromAscii(s1) > s2); }

QT_ASCII_CAST_WARN bool operator<=	(	const char *	s1,
		const QString &	s2
	)		[inline]

Definition at line 945 of file qstring.h.

{ return (QString::fromAscii(s1) <= s2); }

QT_ASCII_CAST_WARN bool operator>=	(	const char *	s1,
		const QString &	s2
	)		[inline]

Definition at line 947 of file qstring.h.

{ return (QString::fromAscii(s1) >= s2); }

QT_ASCII_CAST_WARN bool operator==	(	const char *	s1,
		const QLatin1String &	s2
	)		[inline]

Definition at line 950 of file qstring.h.

{ return QString::fromAscii(s1) == s2; }

QT_ASCII_CAST_WARN bool operator!=	(	const char *	s1,
		const QLatin1String &	s2
	)		[inline]

Definition at line 952 of file qstring.h.

{ return QString::fromAscii(s1) != s2; }

QT_ASCII_CAST_WARN bool operator<	(	const char *	s1,
		const QLatin1String &	s2
	)		[inline]

Definition at line 954 of file qstring.h.

{ return (QString::fromAscii(s1) < s2); }

QT_ASCII_CAST_WARN bool operator>	(	const char *	s1,
		const QLatin1String &	s2
	)		[inline]

Definition at line 956 of file qstring.h.

{ return (QString::fromAscii(s1) > s2); }

QT_ASCII_CAST_WARN bool operator<=	(	const char *	s1,
		const QLatin1String &	s2
	)		[inline]

Definition at line 958 of file qstring.h.

{ return (QString::fromAscii(s1) <= s2); }

QT_ASCII_CAST_WARN bool operator>=	(	const char *	s1,
		const QLatin1String &	s2
	)		[inline]

Definition at line 960 of file qstring.h.

{ return (QString::fromAscii(s1) >= s2); }

bool operator==	(	const QLatin1String &	s1,
		const QLatin1String &	s2
	)		[inline]

Definition at line 963 of file qstring.h.

{ return (qstrcmp(s1.latin1(), s2.latin1()) == 0); }

bool operator!=	(	const QLatin1String &	s1,
		const QLatin1String &	s2
	)		[inline]

Definition at line 965 of file qstring.h.

{ return (qstrcmp(s1.latin1(), s2.latin1()) != 0); }

bool operator<	(	const QLatin1String &	s1,
		const QLatin1String &	s2
	)		[inline]

Definition at line 967 of file qstring.h.

{ return (qstrcmp(s1.latin1(), s2.latin1()) < 0); }

bool operator<=	(	const QLatin1String &	s1,
		const QLatin1String &	s2
	)		[inline]

Definition at line 969 of file qstring.h.

{ return (qstrcmp(s1.latin1(), s2.latin1()) <= 0); }

bool operator>	(	const QLatin1String &	s1,
		const QLatin1String &	s2
	)		[inline]

Definition at line 971 of file qstring.h.

{ return (qstrcmp(s1.latin1(), s2.latin1()) > 0); }

bool operator>=	(	const QLatin1String &	s1,
		const QLatin1String &	s2
	)		[inline]

Definition at line 973 of file qstring.h.

{ return (qstrcmp(s1.latin1(), s2.latin1()) >= 0); }

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

Definition at line 1023 of file qstring.h.

{ QString t(s1); t += s2; return t; }

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

Definition at line 1025 of file qstring.h.

{ QString t(s1); t += s2; return t; }

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

Definition at line 1027 of file qstring.h.

{ QString t(s1); t += s2; return t; }

QT_ASCII_CAST_WARN const QString operator+	(	const QString &	s1,
		const char *	s2
	)		[inline]

Definition at line 1030 of file qstring.h.

{ QString t(s1); t += QString::fromAscii(s2); return t; }

QT_ASCII_CAST_WARN const QString operator+	(	const char *	s1,
		const QString &	s2
	)		[inline]

Definition at line 1032 of file qstring.h.

{ QString t = QString::fromAscii(s1); t += s2; return t; }

QT_ASCII_CAST_WARN const QString operator+	(	char	c,
		const QString &	s
	)		[inline]

Definition at line 1034 of file qstring.h.

{ QString t = s; t.prepend(QChar::fromAscii(c)); return t; }

QT_ASCII_CAST_WARN const QString operator+	(	const QString &	s,
		char	c
	)		[inline]

Definition at line 1036 of file qstring.h.

{ QString t = s; t += QChar::fromAscii(c); return t; }

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

Definition at line 1038 of file qstring.h.

{ QString t = QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); t += s; return t; }

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

Definition at line 1040 of file qstring.h.

{ QString t(s); t += QString::fromAscii(ba.constData(), qstrnlen(ba.constData(), ba.size())); return t; }

Q_CORE_EXPORT QDataStream& operator<<	(	QDataStream &	,
		const QString &
	)

Q_CORE_EXPORT QDataStream& operator>>	(	QDataStream &	,
		QString &
	)

Q_DECLARE_TYPEINFO	(	QString	,
		Q_MOVABLE_TYPE
	)

Search for all occurrences

Q_CORE_EXPORT bool operator==	(	const QStringRef &	s1,
		const QStringRef &	s2
	)

bool operator!=	(	const QStringRef &	s1,
		const QStringRef &	s2
	)		[inline]

Definition at line 1172 of file qstring.h.

{ return !(s1 == s2); }

Q_CORE_EXPORT bool operator==	(	const QString &	s1,
		const QStringRef &	s2
	)

bool operator!=	(	const QString &	s1,
		const QStringRef &	s2
	)		[inline]

Definition at line 1175 of file qstring.h.

{ return !(s1 == s2); }

bool operator==	(	const QStringRef &	s1,
		const QString &	s2
	)		[inline]

Definition at line 1177 of file qstring.h.

{ return s2 == s1; }

bool operator!=	(	const QStringRef &	s1,
		const QString &	s2
	)		[inline]

Definition at line 1179 of file qstring.h.

{ return s2 != s1; }

Q_CORE_EXPORT bool operator==	(	const QLatin1String &	s1,
		const QStringRef &	s2
	)

bool operator!=	(	const QLatin1String &	s1,
		const QStringRef &	s2
	)		[inline]

Definition at line 1182 of file qstring.h.

{ return !(s1 == s2); }

bool operator==	(	const QStringRef &	s1,
		const QLatin1String &	s2
	)		[inline]

Definition at line 1184 of file qstring.h.

{ return s2 == s1; }

bool operator!=	(	const QStringRef &	s1,
		const QLatin1String &	s2
	)		[inline]

Definition at line 1186 of file qstring.h.

{ return s2 != s1; }

Q_CORE_EXPORT bool operator<	(	const QStringRef &	s1,
		const QStringRef &	s2
	)

bool operator>	(	const QStringRef &	s1,
		const QStringRef &	s2
	)		[inline]

Definition at line 1190 of file qstring.h.

{ return s2 < s1; }

bool operator<=	(	const QStringRef &	s1,
		const QStringRef &	s2
	)		[inline]

Definition at line 1192 of file qstring.h.

{ return !(s1 > s2); }

bool operator>=	(	const QStringRef &	s1,
		const QStringRef &	s2
	)		[inline]

Definition at line 1194 of file qstring.h.

{ return !(s1 < s2); }

bool qStringComparisonHelper	(	const QStringRef &	s1,
		const char *	s2
	)		[inline]

Search for all occurrences

Definition at line 1197 of file qstring.h.

{
#  ifndef QT_NO_TEXTCODEC
    if (QString::codecForCStrings) return (s1 == QString::fromAscii(s2));
#  endif
    return (s1 == QLatin1String(s2));
}

QT_ASCII_CAST_WARN bool operator==	(	const char *	s1,
		const QStringRef &	s2
	)		[inline]

Definition at line 1205 of file qstring.h.

{ return qStringComparisonHelper(s2, s1); }

QT_ASCII_CAST_WARN bool operator==	(	const QStringRef &	s1,
		const char *	s2
	)		[inline]

Definition at line 1207 of file qstring.h.

{ return qStringComparisonHelper(s1, s2); }

QT_ASCII_CAST_WARN bool operator!=	(	const char *	s1,
		const QStringRef &	s2
	)		[inline]

Definition at line 1209 of file qstring.h.

{ return !qStringComparisonHelper(s2, s1); }

QT_ASCII_CAST_WARN bool operator!=	(	const QStringRef &	s1,
		const char *	s2
	)		[inline]

Definition at line 1211 of file qstring.h.

{ return !qStringComparisonHelper(s1, s2); }