diff options
Diffstat (limited to 'src/corelib/text/qstring.cpp')
| -rw-r--r-- | src/corelib/text/qstring.cpp | 1876 |
1 files changed, 29 insertions, 1847 deletions
diff --git a/src/corelib/text/qstring.cpp b/src/corelib/text/qstring.cpp index 6f8d2c87f5..3e7e9df35c 100644 --- a/src/corelib/text/qstring.cpp +++ b/src/corelib/text/qstring.cpp @@ -1849,7 +1849,7 @@ inline char qToLower(char ch) Such considerations, the configuration of such behavior or any mitigation are outside the scope of the Qt API. - \sa fromRawData(), QChar, QLatin1String, QByteArray, QStringRef + \sa fromRawData(), QChar, QLatin1String, QByteArray */ /*! \typedef QString::ConstIterator @@ -3930,14 +3930,15 @@ QString &QString::replace(const QRegularExpression &re, const QString &after) qsizetype newLength = 0; // length of the new string, with all the replacements qsizetype lastEnd = 0; - QList<QStringRef> chunks; + QList<QStringView> chunks; + const QStringView copyView{ copy }, afterView{ after }; while (iterator.hasNext()) { QRegularExpressionMatch match = iterator.next(); qsizetype len; // add the part before the match len = match.capturedStart() - lastEnd; if (len > 0) { - chunks << copy.midRef(lastEnd, len); + chunks << copyView.mid(lastEnd, len); newLength += len; } @@ -3947,14 +3948,14 @@ QString &QString::replace(const QRegularExpression &re, const QString &after) // part of "after" before the backreference len = backReference.pos - lastEnd; if (len > 0) { - chunks << after.midRef(lastEnd, len); + chunks << afterView.mid(lastEnd, len); newLength += len; } // backreference itself len = match.capturedLength(backReference.no); if (len > 0) { - chunks << copy.midRef(match.capturedStart(backReference.no), len); + chunks << copyView.mid(match.capturedStart(backReference.no), len); newLength += len; } @@ -3962,9 +3963,9 @@ QString &QString::replace(const QRegularExpression &re, const QString &after) } // add the last part of the after string - len = after.length() - lastEnd; + len = afterView.length() - lastEnd; if (len > 0) { - chunks << after.midRef(lastEnd, len); + chunks << afterView.mid(lastEnd, len); newLength += len; } @@ -3972,18 +3973,18 @@ QString &QString::replace(const QRegularExpression &re, const QString &after) } // 3. trailing string after the last match - if (copy.length() > lastEnd) { - chunks << copy.midRef(lastEnd); - newLength += copy.length() - lastEnd; + if (copyView.length() > lastEnd) { + chunks << copyView.mid(lastEnd); + newLength += copyView.length() - lastEnd; } // 4. assemble the chunks together resize(newLength); qsizetype i = 0; QChar *uc = data(); - for (const QStringRef &chunk : qAsConst(chunks)) { + for (const QStringView &chunk : qAsConst(chunks)) { qsizetype len = chunk.length(); - memcpy(uc + i, chunk.unicode(), len * sizeof(QChar)); + memcpy(uc + i, chunk.constData(), len * sizeof(QChar)); i += len; } @@ -4290,7 +4291,7 @@ qsizetype QString::count(const QRegularExpression &re) const QString QString::section(const QString &sep, qsizetype start, qsizetype end, SectionFlags flags) const { - const QList<QStringRef> sections = splitRef( + const QList<QStringView> sections = QStringView{ *this }.split( sep, Qt::KeepEmptyParts, (flags & SectionCaseInsensitiveSeps) ? Qt::CaseInsensitive : Qt::CaseSensitive); const qsizetype sectionsSize = sections.size(); if (!(flags & SectionSkipEmpty)) { @@ -4315,7 +4316,7 @@ QString QString::section(const QString &sep, qsizetype start, qsizetype end, Sec QString ret; qsizetype first_i = start, last_i = end; for (qsizetype x = 0, i = 0; x <= end && i < sectionsSize; ++i) { - const QStringRef §ion = sections.at(i); + const QStringView §ion = sections.at(i); const bool empty = section.isEmpty(); if (x >= start) { if(x == start) @@ -4340,9 +4341,9 @@ QString QString::section(const QString &sep, qsizetype start, qsizetype end, Sec class qt_section_chunk { public: qt_section_chunk() {} - qt_section_chunk(qsizetype l, QStringRef s) : length(l), string(std::move(s)) {} + qt_section_chunk(qsizetype l, QStringView s) : length(l), string(std::move(s)) {} qsizetype length; - QStringRef string; + QStringView string; }; Q_DECLARE_TYPEINFO(qt_section_chunk, Q_MOVABLE_TYPE); @@ -4442,11 +4443,11 @@ QString QString::section(const QRegularExpression &re, qsizetype start, qsizetyp while (iterator.hasNext()) { QRegularExpressionMatch match = iterator.next(); m = match.capturedStart(); - sections.append(qt_section_chunk(last_len, QStringRef(this, last_m, m - last_m))); + sections.append(qt_section_chunk(last_len, QStringView{ *this }.mid(last_m, m - last_m))); last_m = m; last_len = match.capturedLength(); } - sections.append(qt_section_chunk(last_len, QStringRef(this, last_m, n - last_m))); + sections.append(qt_section_chunk(last_len, QStringView{ *this }.mid(last_m, n - last_m))); return extractSections(sections, start, end, flags); } @@ -5384,7 +5385,7 @@ QString QString::trimmed_helper(QString &str) If \a position is negative, it is equivalent to passing zero. - \sa chop(), resize(), left(), QStringRef::truncate() + \sa chop(), resize(), left(), QStringView::truncate() */ void QString::truncate(qsizetype pos) @@ -5406,7 +5407,7 @@ void QString::truncate(qsizetype pos) If you want to remove characters from the \e beginning of the string, use remove() instead. - \sa truncate(), resize(), remove(), QStringRef::chop() + \sa truncate(), resize(), remove(), QStringView::chop() */ void QString::chop(qsizetype n) { @@ -7184,24 +7185,6 @@ QStringList QString::split(const QString &sep, Qt::SplitBehavior behavior, Qt::C } /*! - Splits the string into substring references wherever \a sep occurs, and - returns the list of those strings. - - See QString::split() for how \a sep, \a behavior and \a cs interact to form - the result. - - \note All references are valid as long this string is alive. Destroying this - string will cause all references to be dangling pointers. - - \since 5.14 - \sa QStringRef split() -*/ -QList<QStringRef> QString::splitRef(const QString &sep, Qt::SplitBehavior behavior, Qt::CaseSensitivity cs) const -{ - return splitString<QList<QStringRef>>(QStringRef(this), sep, behavior, cs); -} - -/*! \overload \since 5.14 */ @@ -7211,41 +7194,6 @@ QStringList QString::split(QChar sep, Qt::SplitBehavior behavior, Qt::CaseSensit } /*! - \overload - \since 5.14 -*/ -QList<QStringRef> QString::splitRef(QChar sep, Qt::SplitBehavior behavior, Qt::CaseSensitivity cs) const -{ - return splitString<QList<QStringRef>>(QStringRef(this), QStringView(&sep, 1), behavior, cs); -} - -/*! - Splits the string into substrings references wherever \a sep occurs, and - returns the list of those strings. - - See QString::split() for how \a sep, \a behavior and \a cs interact to form - the result. - - \note All references are valid as long this string is alive. Destroying this - string will cause all references to be dangling pointers. - - \since 5.14 -*/ -QList<QStringRef> QStringRef::split(const QString &sep, Qt::SplitBehavior behavior, Qt::CaseSensitivity cs) const -{ - return splitString<QList<QStringRef>>(*this, sep, behavior, cs); -} - -/*! - \overload - \since 5.14 -*/ -QList<QStringRef> QStringRef::split(QChar sep, Qt::SplitBehavior behavior, Qt::CaseSensitivity cs) const -{ - return splitString<QList<QStringRef>>(*this, QStringView(&sep, 1), behavior, cs); -} - -/*! \fn QList<QStringView> QStringView::split(QChar sep, Qt::SplitBehavior behavior, Qt::CaseSensitivity cs) const \fn QList<QStringView> QStringView::split(QStringView sep, Qt::SplitBehavior behavior, Qt::CaseSensitivity cs) const @@ -7334,36 +7282,16 @@ QStringList QString::split(const QRegularExpression &re, Qt::SplitBehavior behav } /*! - \overload - \since 5.14 - - Splits the string into substring references wherever the regular expression - \a re matches, and returns the list of those strings. If \a re - does not match anywhere in the string, splitRef() returns a - single-element list containing this string reference. - - \note All references are valid as long this string is alive. Destroying this - string will cause all references to be dangling pointers. - - \sa split() QStringRef -*/ -QList<QStringRef> QString::splitRef(const QRegularExpression &re, Qt::SplitBehavior behavior) const -{ - return splitString<QList<QStringRef>>(QStringRef(this), re, behavior); -} - -/*! \since 6.0 - Splits the string into substring views wherever the regular expression - \a re matches, and returns the list of those strings. If \a re - does not match anywhere in the string, splitRef() returns a - single-element list containing this string reference. - - \note All references are valid as long this string is alive. Destroying this - string will cause all references to be dangling pointers. + Splits the string into substring views wherever the regular expression \a re + matches, and returns the list of those strings. If \a re does not match + anywhere in the string, split() returns a single-element list containing + this string as view. - \sa split() QStringRef + \note The views in the returned list are sub-views of this view; as such, + they reference the same data as it and only remain valid for as long as that + data remains live. */ QList<QStringView> QStringView::split(const QRegularExpression &re, Qt::SplitBehavior behavior) const { @@ -8427,7 +8355,7 @@ bool QString::isSimpleText() const Returns \c true if the string is read right to left. - \sa QStringRef::isRightToLeft() + \sa QStringView::isRightToLeft() */ bool QString::isRightToLeft() const { @@ -9574,588 +9502,6 @@ QDataStream &operator>>(QDataStream &in, QString &str) } #endif // QT_NO_DATASTREAM - - - -/*! - \class QStringRef - \inmodule QtCore - \since 4.3 - \brief The QStringRef class provides a thin wrapper around QString substrings. - \reentrant - \ingroup tools - \ingroup string-processing - - QStringRef provides a read-only subset of the QString API. - - A string reference explicitly references a portion of a string() - with a given size(), starting at a specific position(). Calling - toString() returns a copy of the data as a real QString instance. - - This class is designed to improve the performance of substring - handling when manipulating substrings obtained from existing QString - instances. QStringRef avoids the memory allocation and reference - counting overhead of a standard QString by simply referencing a - part of the original string. This can prove to be advantageous in - low level code, such as that used in a parser, at the expense of - potentially more complex code. - - For most users, there are no semantic benefits to using QStringRef - instead of QString since QStringRef requires attention to be paid - to memory management issues, potentially making code more complex - to write and maintain. - - \warning A QStringRef is only valid as long as the referenced - string exists. If the original string is deleted, the string - reference points to an invalid memory location. - - We suggest that you only use this class in stable code where profiling - has clearly identified that performance improvements can be made by - replacing standard string operations with the optimized substring - handling provided by this class. - - \sa {Implicitly Shared Classes} -*/ - -/*! - \typedef QStringRef::size_type - \internal -*/ - -/*! - \typedef QStringRef::value_type - \internal -*/ - -/*! - \typedef QStringRef::const_pointer - \internal -*/ - -/*! - \typedef QStringRef::const_reference - \internal -*/ - -/*! - \typedef QStringRef::const_iterator - \since 5.4 - - \sa QStringRef::const_reverse_iterator -*/ - -/*! - \typedef QStringRef::const_reverse_iterator - \since 5.7 - - \sa QStringRef::const_iterator -*/ - -/*! - \fn QStringRef::QStringRef() - - Constructs an empty string reference. -*/ - -/*! \fn QStringRef::QStringRef(const QString *string, int position, int length) - -Constructs a string reference to the range of characters in the given -\a string specified by the starting \a position and \a length in characters. - -\warning This function exists to improve performance as much as possible, -and performs no bounds checking. For program correctness, \a position and -\a length must describe a valid substring of \a string. - -This means that the starting \a position must be positive or 0 and smaller -than \a string's length, and \a length must be positive or 0 but smaller than -the string's length minus the starting \a position; -i.e, 0 <= position < string->length() and -0 <= length <= string->length() - position must both be satisfied. -*/ - -/*! \fn QStringRef::QStringRef(const QString *string) - -Constructs a string reference to the given \a string. -*/ - -/*! \fn QStringRef::QStringRef(const QStringRef &other) - -Constructs a copy of the \a other string reference. - */ -/*! -\fn QStringRef::~QStringRef() - -Destroys the string reference. - -Since this class is only used to refer to string data, and does not take -ownership of it, no memory is freed when instances are destroyed. -*/ - -/*! - \fn int QStringRef::position() const - - Returns the starting position in the referenced string that is referred to - by the string reference. - - \sa size(), string() -*/ - -/*! - \fn int QStringRef::size() const - - Returns the number of characters referred to by the string reference. - Equivalent to length() and count(). - - \sa position(), string() -*/ -/*! - \fn int QStringRef::count() const - Returns the number of characters referred to by the string reference. - Equivalent to size() and length(). - - \sa position(), string() -*/ -/*! - \fn int QStringRef::length() const - Returns the number of characters referred to by the string reference. - Equivalent to size() and count(). - - \sa position(), string() -*/ - - -/*! - \fn bool QStringRef::isEmpty() const - - Returns \c true if the string reference has no characters; otherwise returns - \c false. - - A string reference is empty if its size is zero. - - \sa size() -*/ - -/*! - \fn bool QStringRef::isNull() const - - Returns \c true if this string reference does not reference a string or if - the string it references is null (i.e. QString::isNull() is true). - - \sa size() -*/ - -/*! - \fn const QString *QStringRef::string() const - - Returns a pointer to the string referred to by the string reference, or - 0 if it does not reference a string. - - \sa unicode() -*/ - - -/*! - \fn const QChar *QStringRef::unicode() const - - Returns a Unicode representation of the string reference. Since - the data stems directly from the referenced string, it is not - \\0'-terminated unless the string reference includes the string's - null terminator. - - \sa string() -*/ - -/*! - \fn const QChar *QStringRef::data() const - - Same as unicode(). -*/ - -/*! - \fn const QChar *QStringRef::constData() const - - Same as unicode(). -*/ - -/*! - \fn QStringRef::const_iterator QStringRef::begin() const - \since 5.4 - - Returns a const \l{STL-style iterators}{STL-style iterator} pointing to the first character in - the string. - - \sa cbegin(), constBegin(), end(), constEnd(), rbegin(), rend() -*/ - -/*! - \fn QStringRef::const_iterator QStringRef::cbegin() const - \since 5.4 - - Same as begin(). - - \sa begin(), constBegin(), cend(), constEnd(), rbegin(), rend() -*/ - -/*! - \fn QStringRef::const_iterator QStringRef::constBegin() const - \since 5.9 - - Same as begin(). - - \sa begin(), cend(), constEnd(), rbegin(), rend() -*/ - -/*! - \fn QStringRef::const_iterator QStringRef::end() const - \since 5.4 - - Returns a const \l{STL-style iterators}{STL-style iterator} pointing to the imaginary - character after the last character in the list. - - \sa cbegin(), constBegin(), end(), constEnd(), rbegin(), rend() -*/ - -/*! \fn QStringRef::const_iterator QStringRef::cend() const - \since 5.4 - - Same as end(). - - \sa end(), constEnd(), cbegin(), constBegin(), rbegin(), rend() -*/ - -/*! \fn QStringRef::const_iterator QStringRef::constEnd() const - \since 5.9 - - Same as end(). - - \sa end(), cend(), cbegin(), constBegin(), rbegin(), rend() -*/ - -/*! - \fn QStringRef::const_reverse_iterator QStringRef::rbegin() const - \since 5.7 - - Returns a const \l{STL-style iterators}{STL-style} reverse iterator pointing to the first - character in the string, in reverse order. - - \sa begin(), crbegin(), rend() -*/ - -/*! - \fn QStringRef::const_reverse_iterator QStringRef::crbegin() const - \since 5.7 - - Same as rbegin(). - - \sa begin(), rbegin(), rend() -*/ - -/*! - \fn QStringRef::const_reverse_iterator QStringRef::rend() const - \since 5.7 - - Returns a \l{STL-style iterators}{STL-style} reverse iterator pointing to one past - the last character in the string, in reverse order. - - \sa end(), crend(), rbegin() -*/ - - -/*! - \fn QStringRef::const_reverse_iterator QStringRef::crend() const - \since 5.7 - - Same as rend(). - - \sa end(), rend(), rbegin() -*/ - -/*! - Returns a copy of the string reference as a QString object. - - If the string reference is not a complete reference of the string - (meaning that position() is 0 and size() equals string()->size()), - this function will allocate a new string to return. - - \sa string() -*/ - -QString QStringRef::toString() const { - if (isNull()) - return QString(); - if (m_size && m_position == 0 && m_size == m_string->size()) - return *m_string; - return QString(m_string->unicode() + m_position, m_size); -} - - -/*! \relates QStringRef - - Returns \c true if string reference \a s1 is lexically equal to string reference \a s2; otherwise - returns \c false. -*/ -bool operator==(const QStringRef &s1,const QStringRef &s2) noexcept -{ - return s1.size() == s2.size() && qt_compare_strings(s1, s2, Qt::CaseSensitive) == 0; -} - -/*! \relates QStringRef - - Returns \c true if string \a s1 is lexically equal to string reference \a s2; otherwise - returns \c false. -*/ -bool operator==(const QString &s1,const QStringRef &s2) noexcept -{ - return s1.size() == s2.size() && qt_compare_strings(s1, s2, Qt::CaseSensitive) == 0; -} - -/*! \relates QStringRef - - Returns \c true if string \a s1 is lexically equal to string reference \a s2; otherwise - returns \c false. -*/ -bool operator==(QLatin1String s1, const QStringRef &s2) noexcept -{ - if (s1.size() != s2.size()) - return false; - - return qt_compare_strings(s2, s1, Qt::CaseSensitive) == 0; -} - -/*! - \relates QStringRef - - Returns \c true if string reference \a s1 is lexically less than - string reference \a s2; otherwise returns \c false. - - \sa {Comparing Strings} -*/ -bool operator<(const QStringRef &s1,const QStringRef &s2) noexcept -{ - return qt_compare_strings(s1, s2, Qt::CaseSensitive) < 0; -} - -/*!\fn bool operator<=(const QStringRef &s1,const QStringRef &s2) - - \relates QStringRef - - Returns \c true if string reference \a s1 is lexically less than - or equal to string reference \a s2; otherwise returns \c false. - - \sa {Comparing Strings} -*/ - -/*!\fn bool operator>=(const QStringRef &s1,const QStringRef &s2) - - \relates QStringRef - - Returns \c true if string reference \a s1 is lexically greater than - or equal to string reference \a s2; otherwise returns \c false. - - \sa {Comparing Strings} -*/ - -/*!\fn bool operator>(const QStringRef &s1,const QStringRef &s2) - - \relates QStringRef - - Returns \c true if string reference \a s1 is lexically greater than - string reference \a s2; otherwise returns \c false. - - \sa {Comparing Strings} -*/ - - -/*! - \fn const QChar QStringRef::at(int position) const - - Returns the character at the given index \a position in the - string reference. - - The \a position must be a valid index position in the string - (i.e., 0 <= \a position < size()). -*/ - -/*! - \fn QChar QStringRef::operator[](int position) const - \since 5.7 - - Returns the character at the given index \a position in the - string reference. - - The \a position must be a valid index position in the string - reference (i.e., 0 <= \a position < size()). - - \sa at() -*/ - -/*! - \fn QChar QStringRef::front() const - \since 5.10 - - Returns the first character in the string. - Same as \c{at(0)}. - - This function is provided for STL compatibility. - - \warning Calling this function on an empty string constitutes - undefined behavior. - - \sa back(), at(), operator[]() -*/ - -/*! - \fn QChar QStringRef::back() const - \since 5.10 - - Returns the last character in the string. - Same as \c{at(size() - 1)}. - - This function is provided for STL compatibility. - - \warning Calling this function on an empty string constitutes - undefined behavior. - - \sa front(), at(), operator[]() -*/ - -/*! - \fn void QStringRef::clear() - - Clears the contents of the string reference by making it null and empty. - - \sa isEmpty(), isNull() -*/ - -/*! - \fn QStringRef &QStringRef::operator=(const QStringRef &other) - - Assigns the \a other string reference to this string reference, and - returns the result. -*/ - -/*! - \fn QStringRef &QStringRef::operator=(const QString *string) - - Constructs a string reference to the given \a string and assigns it to - this string reference, returning the result. -*/ - -/*! - \fn bool QStringRef::operator==(const char * s) const - - \overload operator==() - - The \a s byte array is converted to a QStringRef using the - fromUtf8() function. This function stops conversion at the - first NUL character found, or the end of the byte array. - - You can disable this operator by defining \c - QT_NO_CAST_FROM_ASCII when you compile your applications. This - can be useful if you want to ensure that all user-visible strings - go through QObject::tr(), for example. - - Returns \c true if this string is lexically equal to the parameter - string \a s. Otherwise returns \c false. - - \sa QT_NO_CAST_FROM_ASCII -*/ - -/*! - \fn bool QStringRef::operator!=(const char * s) const - - \overload operator!=() - - The \a s const char pointer is converted to a QStringRef using - the fromUtf8() function. - - You can disable this operator by defining \c - QT_NO_CAST_FROM_ASCII when you compile your applications. This - can be useful if you want to ensure that all user-visible strings - go through QObject::tr(), for example. - - Returns \c true if this string is not lexically equal to the parameter - string \a s. Otherwise returns \c false. - - \sa QT_NO_CAST_FROM_ASCII -*/ - -/*! - \fn bool QStringRef::operator<(const char * s) const - - \overload operator<() - - The \a s const char pointer is converted to a QStringRef using - the fromUtf8() function. - - You can disable this operator by defining \c - QT_NO_CAST_FROM_ASCII when you compile your applications. This - can be useful if you want to ensure that all user-visible strings - go through QObject::tr(), for example. - - Returns \c true if this string is lexically smaller than the parameter - string \a s. Otherwise returns \c false. - - \sa QT_NO_CAST_FROM_ASCII -*/ - -/*! - \fn bool QStringRef::operator<=(const char * s) const - - \overload operator<=() - - The \a s const char pointer is converted to a QStringRef using - the fromUtf8() function. - - You can disable this operator by defining \c - QT_NO_CAST_FROM_ASCII when you compile your applications. This - can be useful if you want to ensure that all user-visible strings - go through QObject::tr(), for example. - - Returns \c true if this string is lexically smaller than or equal to the parameter - string \a s. Otherwise returns \c false. - - \sa QT_NO_CAST_FROM_ASCII -*/ - -/*! - \fn bool QStringRef::operator>(const char * s) const - - - \overload operator>() - - The \a s const char pointer is converted to a QStringRef using - the fromUtf8() function. - - You can disable this operator by defining \c - QT_NO_CAST_FROM_ASCII when you compile your applications. This - can be useful if you want to ensure that all user-visible strings - go through QObject::tr(), for example. - - Returns \c true if this string is lexically greater than the parameter - string \a s. Otherwise returns \c false. - - \sa QT_NO_CAST_FROM_ASCII -*/ - -/*! - \fn bool QStringRef::operator>= (const char * s) const - - \overload operator>=() - - The \a s const char pointer is converted to a QStringRef using - the fromUtf8() function. - - You can disable this operator by defining \c - QT_NO_CAST_FROM_ASCII when you compile your applications. This - can be useful if you want to ensure that all user-visible strings - go through QObject::tr(), for example. - - Returns \c true if this string is lexically greater than or equal to the - parameter string \a s. Otherwise returns \c false. - - \sa QT_NO_CAST_FROM_ASCII -*/ /*! \typedef QString::Data \internal @@ -10171,633 +9517,6 @@ bool operator<(const QStringRef &s1,const QStringRef &s2) noexcept \internal */ - - -/*! Appends the string reference to \a string, and returns a new -reference to the combined string data. - */ -QStringRef QStringRef::appendTo(QString *string) const -{ - if (!string) - return QStringRef(); - int pos = string->size(); - string->insert(pos, unicode(), size()); - return QStringRef(string, pos, size()); -} - -/*! - \fn int QStringRef::compare(const QStringRef &s1, const QString &s2, Qt::CaseSensitivity cs = Qt::CaseSensitive) - \since 4.5 - - Compares the string \a s1 with the string \a s2 and returns an - integer less than, equal to, or greater than zero if \a s1 - is less than, equal to, or greater than \a s2. - - If \a cs is Qt::CaseSensitive, the comparison is case sensitive; - otherwise the comparison is case insensitive. -*/ - -/*! - \fn int QStringRef::compare(const QStringRef &s1, const QStringRef &s2, Qt::CaseSensitivity cs = Qt::CaseSensitive) - \since 4.5 - \overload - - Compares the string \a s1 with the string \a s2 and returns an - integer less than, equal to, or greater than zero if \a s1 - is less than, equal to, or greater than \a s2. - - If \a cs is Qt::CaseSensitive, the comparison is case sensitive; - otherwise the comparison is case insensitive. -*/ - -/*! - \fn int QStringRef::compare(const QStringRef &s1, QLatin1String s2, Qt::CaseSensitivity cs = Qt::CaseSensitive) - \since 4.5 - \overload - - Compares the string \a s1 with the string \a s2 and returns an - integer less than, equal to, or greater than zero if \a s1 - is less than, equal to, or greater than \a s2. - - If \a cs is Qt::CaseSensitive, the comparison is case sensitive; - otherwise the comparison is case insensitive. -*/ - -/*! - \overload - \fn int QStringRef::compare(const QString &other, Qt::CaseSensitivity cs = Qt::CaseSensitive) const - \since 4.5 - - Compares this string with the \a other string and returns an - integer less than, equal to, or greater than zero if this string - is less than, equal to, or greater than the \a other string. - - If \a cs is Qt::CaseSensitive, the comparison is case sensitive; - otherwise the comparison is case insensitive. - - Equivalent to \c {compare(*this, other, cs)}. -*/ - -/*! - \overload - \fn int QStringRef::compare(const QStringRef &other, Qt::CaseSensitivity cs = Qt::CaseSensitive) const - \since 4.5 - - Compares this string with the \a other string and returns an - integer less than, equal to, or greater than zero if this string - is less than, equal to, or greater than the \a other string. - - If \a cs is Qt::CaseSensitive, the comparison is case sensitive; - otherwise the comparison is case insensitive. - - Equivalent to \c {compare(*this, other, cs)}. -*/ - -/*! - \overload - \fn int QStringRef::compare(QChar ch, Qt::CaseSensitivity cs = Qt::CaseSensitive) const - \since 5.14 - - Compares this string with \a ch and returns an - integer less than, equal to, or greater than zero if this string - is less than, equal to, or greater than \a ch, interpreted as a string of length one. - - If \a cs is Qt::CaseSensitive, the comparison is case sensitive; - otherwise the comparison is case insensitive. -*/ - -/*! - \overload - \fn int QStringRef::compare(QLatin1String other, Qt::CaseSensitivity cs = Qt::CaseSensitive) const - \since 4.5 - - Compares this string with the \a other string and returns an - integer less than, equal to, or greater than zero if this string - is less than, equal to, or greater than the \a other string. - - If \a cs is Qt::CaseSensitive, the comparison is case sensitive; - otherwise the comparison is case insensitive. - - Equivalent to \c {compare(*this, other, cs)}. -*/ - -/*! - \overload - \fn int QStringRef::compare(const QByteArray &other, Qt::CaseSensitivity cs = Qt::CaseSensitive) const - \since 5.8 - - Compares this string with \a other and returns an - integer less than, equal to, or greater than zero if this string - is less than, equal to, or greater than the \a other byte array, - interpreted as a UTF-8 sequence. - - If \a cs is Qt::CaseSensitive, the comparison is case sensitive; - otherwise the comparison is case insensitive. - - Equivalent to \c {compare(*this, other, cs)}. -*/ - -/*! - \fn int QStringRef::localeAwareCompare(const QStringRef &s1, const QString & s2) - \since 4.5 - - Compares \a s1 with \a s2 and returns an integer less than, equal - to, or greater than zero if \a s1 is less than, equal to, or - greater than \a s2. - - The comparison is performed in a locale- and also - platform-dependent manner. Use this function to present sorted - lists of strings to the user. - - \sa compare(), QLocale, {Comparing Strings} -*/ - -/*! - \fn int QStringRef::localeAwareCompare(const QStringRef &s1, const QStringRef & s2) - \since 4.5 - \overload - - Compares \a s1 with \a s2 and returns an integer less than, equal - to, or greater than zero if \a s1 is less than, equal to, or - greater than \a s2. - - The comparison is performed in a locale- and also - platform-dependent manner. Use this function to present sorted - lists of strings to the user. - - \sa {Comparing Strings} -*/ - -/*! - \fn int QStringRef::localeAwareCompare(const QString &other) const - \since 4.5 - \overload - - Compares this string with the \a other string and returns an - integer less than, equal to, or greater than zero if this string - is less than, equal to, or greater than the \a other string. - - The comparison is performed in a locale- and also - platform-dependent manner. Use this function to present sorted - lists of strings to the user. - - \sa {Comparing Strings} -*/ - -/*! - \fn int QStringRef::localeAwareCompare(const QStringRef &other) const - \since 4.5 - \overload - - Compares this string with the \a other string and returns an - integer less than, equal to, or greater than zero if this string - is less than, equal to, or greater than the \a other string. - - The comparison is performed in a locale- and also - platform-dependent manner. Use this function to present sorted - lists of strings to the user. - - \sa {Comparing Strings} -*/ - -/*! - \fn QString &QString::append(QStringView str) - \since 6.0 - - Appends the given string view \a str to this string and returns the result. -*/ - -/*! - \fn QStringRef::left(int n) const - \since 5.2 - - Returns a substring reference to the \a n leftmost characters - of the string. - - If \a n is greater than or equal to size(), or less than zero, - a reference to the entire string is returned. - - \sa right(), mid(), startsWith(), chopped(), chop(), truncate() -*/ -QStringRef QStringRef::left(int n) const -{ - if (size_t(n) >= size_t(m_size)) - return *this; - return QStringRef(m_string, m_position, n); -} - -/*! - \since 4.4 - - Returns a substring reference to the \a n leftmost characters - of the string. - - If \a n is greater than or equal to size(), or less than zero, - a reference to the entire string is returned. - - \snippet qstring/main.cpp leftRef - - \sa left(), rightRef(), midRef(), startsWith() -*/ -QStringRef QString::leftRef(int n) const -{ - return QStringRef(this).left(n); -} - -/*! - \fn QStringRef::right(int n) const - \since 5.2 - - Returns a substring reference to the \a n rightmost characters - of the string. - - If \a n is greater than or equal to size(), or less than zero, - a reference to the entire string is returned. - - \sa left(), mid(), endsWith(), chopped(), chop(), truncate() -*/ -QStringRef QStringRef::right(int n) const -{ - if (size_t(n) >= size_t(m_size)) - return *this; - return QStringRef(m_string, m_size - n + m_position, n); -} - -/*! - \since 4.4 - - Returns a substring reference to the \a n rightmost characters - of the string. - - If \a n is greater than or equal to size(), or less than zero, - a reference to the entire string is returned. - - \snippet qstring/main.cpp rightRef - - \sa right(), leftRef(), midRef(), endsWith() -*/ -QStringRef QString::rightRef(int n) const -{ - return QStringRef(this).right(n); -} - -/*! - \fn QStringRef QStringRef::mid(int position, int n = -1) const - \since 5.2 - - Returns a substring reference to \a n characters of this string, - starting at the specified \a position. - - If the \a position exceeds the length of the string, a null - reference is returned. - - If there are less than \a n characters available in the string, - starting at the given \a position, or if \a n is -1 (default), the - function returns all characters from the specified \a position - onwards. - - \sa left(), right(), chopped(), chop(), truncate() -*/ -QStringRef QStringRef::mid(int pos, int n) const -{ - qsizetype p = pos; - qsizetype l = n; - using namespace QtPrivate; - switch (QContainerImplHelper::mid(m_size, &p, &l)) { - case QContainerImplHelper::Null: - return QStringRef(); - case QContainerImplHelper::Empty: - return QStringRef(m_string, 0, 0); - case QContainerImplHelper::Full: - return *this; - case QContainerImplHelper::Subset: - return QStringRef(m_string, p + m_position, l); - } - Q_UNREACHABLE(); - return QStringRef(); -} - -/*! - \fn QStringRef QStringRef::chopped(int len) const - \since 5.10 - - Returns a substring reference to the size() - \a len leftmost characters - of this string. - - \note The behavior is undefined if \a len is negative or greater than size(). - - \sa endsWith(), left(), right(), mid(), chop(), truncate() -*/ - -/*! - \since 4.4 - - Returns a substring reference to \a n characters of this string, - starting at the specified \a position. - - If the \a position exceeds the length of the string, a null - reference is returned. - - If there are less than \a n characters available in the string, - starting at the given \a position, or if \a n is -1 (default), the - function returns all characters from the specified \a position - onwards. - - Example: - - \snippet qstring/main.cpp midRef - - \sa mid(), leftRef(), rightRef() -*/ -QStringRef QString::midRef(int position, int n) const -{ - return QStringRef(this).mid(position, n); -} - -/*! - \fn void QStringRef::truncate(int position) - \since 5.6 - - Truncates the string at the given \a position index. - - If the specified \a position index is beyond the end of the - string, nothing happens. - - If \a position is negative, it is equivalent to passing zero. - - \sa QString::truncate() -*/ - -/*! - \fn void QStringRef::chop(int n) - \since 5.8 - - Removes \a n characters from the end of the string. - - If \a n is greater than or equal to size(), the result is an - empty string; if \a n is negative, it is equivalent to passing zero. - - \sa QString::chop(), truncate() -*/ - -#if QT_STRINGVIEW_LEVEL < 2 -/*! - \since 4.8 - - Returns the index position of the first occurrence of the string \a - str in this string reference, searching forward from index position - \a from. Returns -1 if \a str is not found. - - If \a cs is Qt::CaseSensitive (default), the search is case - sensitive; otherwise the search is case insensitive. - - If \a from is -1, the search starts at the last character; if it is - -2, at the next to last character and so on. - - \sa QString::indexOf(), lastIndexOf(), contains(), count() -*/ -int QStringRef::indexOf(const QString &str, int from, Qt::CaseSensitivity cs) const -{ - // ### Qt6: qsizetype - return int(QtPrivate::findString(QStringView(unicode(), length()), from, QStringView(str.unicode(), str.length()), cs)); -} -#endif // QT_STRINGVIEW_LEVEL < 2 - -/*! - \fn int QStringRef::indexOf(QStringView str, int from, Qt::CaseSensitivity cs) const - \since 5.14 - \overload indexOf() - - Returns the index position of the first occurrence of the string view \a str - in this string reference, searching forward from index position \a from. - Returns -1 if \a str is not found. - - If \a cs is Qt::CaseSensitive (default), the search is case - sensitive; otherwise the search is case insensitive. - - If \a from is -1, the search starts at the last character; if it is - -2, at the next to last character and so on. - - \sa QString::indexOf(), QStringView::indexOf(), lastIndexOf(), contains(), count() -*/ - -/*! - \since 4.8 - \overload indexOf() - - Returns the index position of the first occurrence of the - character \a ch in the string reference, searching forward from - index position \a from. Returns -1 if \a ch could not be found. - - \sa QString::indexOf(), lastIndexOf(), contains(), count() -*/ -int QStringRef::indexOf(QChar ch, int from, Qt::CaseSensitivity cs) const -{ - // ### Qt6: qsizetype - return int(qFindChar(QStringView(unicode(), length()), ch, from, cs)); -} - -/*! - \since 4.8 - - Returns the index position of the first occurrence of the string \a - str in this string reference, searching forward from index position - \a from. Returns -1 if \a str is not found. - - If \a cs is Qt::CaseSensitive (default), the search is case - sensitive; otherwise the search is case insensitive. - - If \a from is -1, the search starts at the last character; if it is - -2, at the next to last character and so on. - - \sa QString::indexOf(), lastIndexOf(), contains(), count() -*/ -int QStringRef::indexOf(QLatin1String str, int from, Qt::CaseSensitivity cs) const -{ - // ### Qt6: qsizetype - return int(QtPrivate::findString(QStringView(unicode(), size()), from, str, cs)); -} - -#if QT_STRINGVIEW_LEVEL < 2 -/*! - \since 4.8 - - \overload indexOf() - - Returns the index position of the first occurrence of the string - reference \a str in this string reference, searching forward from - index position \a from. Returns -1 if \a str is not found. - - If \a cs is Qt::CaseSensitive (default), the search is case - sensitive; otherwise the search is case insensitive. - - \sa QString::indexOf(), lastIndexOf(), contains(), count() -*/ -int QStringRef::indexOf(const QStringRef &str, int from, Qt::CaseSensitivity cs) const -{ - // ### Qt6: qsizetype - return int(QtPrivate::findString(QStringView(unicode(), size()), from, QStringView(str.unicode(), str.size()), cs)); -} -#endif // QT_STRINGVIEW_LEVEL < 2 - -/*! - \since 4.8 - - Returns the index position of the last occurrence of the string \a - str in this string reference, searching backward from index position - \a from. If \a from is -1 (default), the search starts at the last - character; if \a from is -2, at the next to last character and so - on. Returns -1 if \a str is not found. - - If \a cs is Qt::CaseSensitive (default), the search is case - sensitive; otherwise the search is case insensitive. - - \sa QString::lastIndexOf(), indexOf(), contains(), count() -*/ -int QStringRef::lastIndexOf(const QString &str, int from, Qt::CaseSensitivity cs) const -{ - // ### Qt6: qsizetype - return int(QtPrivate::lastIndexOf(*this, from, str, cs)); -} - -/*! - \since 4.8 - \overload lastIndexOf() - - Returns the index position of the last occurrence of the character - \a ch, searching backward from position \a from. - - \sa QString::lastIndexOf(), indexOf(), contains(), count() -*/ -int QStringRef::lastIndexOf(QChar ch, int from, Qt::CaseSensitivity cs) const -{ - // ### Qt6: qsizetype - return int(qLastIndexOf(*this, ch, from, cs)); -} - -/*! - \since 4.8 - \overload lastIndexOf() - - Returns the index position of the last occurrence of the string \a - str in this string reference, searching backward from index position - \a from. If \a from is -1 (default), the search starts at the last - character; if \a from is -2, at the next to last character and so - on. Returns -1 if \a str is not found. - - If \a cs is Qt::CaseSensitive (default), the search is case - sensitive; otherwise the search is case insensitive. - - \sa QString::lastIndexOf(), indexOf(), contains(), count() -*/ -int QStringRef::lastIndexOf(QLatin1String str, int from, Qt::CaseSensitivity cs) const -{ - // ### Qt6: qsizetype - return int(QtPrivate::lastIndexOf(*this, from, str, cs)); -} - -/*! - \since 4.8 - \overload lastIndexOf() - - Returns the index position of the last occurrence of the string - reference \a str in this string reference, searching backward from - index position \a from. If \a from is -1 (default), the search - starts at the last character; if \a from is -2, at the next to last - character and so on. Returns -1 if \a str is not found. - - If \a cs is Qt::CaseSensitive (default), the search is case - sensitive; otherwise the search is case insensitive. - - \sa QString::lastIndexOf(), indexOf(), contains(), count() -*/ -int QStringRef::lastIndexOf(const QStringRef &str, int from, Qt::CaseSensitivity cs) const -{ - // ### Qt6: qsizetype - return int(QtPrivate::lastIndexOf(*this, from, str, cs)); -} - -/*! - \fn int QStringRef::lastIndexOf(QStringView str, int from, Qt::CaseSensitivity cs) const - \since 5.14 - \overload lastIndexOf() - - Returns the index position of the last occurrence of the string view \a - str in this string, searching backward from index position \a - from. If \a from is -1 (default), the search starts at the last - character; if \a from is -2, at the next to last character and so - on. Returns -1 if \a str is not found. - - If \a cs is Qt::CaseSensitive (default), the search is case - sensitive; otherwise the search is case insensitive. - - \sa indexOf(), contains(), count() -*/ - -/*! - \since 4.8 - Returns the number of (potentially overlapping) occurrences of - the string \a str in this string reference. - - If \a cs is Qt::CaseSensitive (default), the search is - case sensitive; otherwise the search is case insensitive. - - \sa QString::count(), contains(), indexOf() -*/ -int QStringRef::count(const QString &str, Qt::CaseSensitivity cs) const -{ - // ### Qt6: qsizetype - return int(QtPrivate::count(QStringView(unicode(), size()), QStringView(str.unicode(), str.size()), cs)); -} - -/*! - \since 4.8 - \overload count() - - Returns the number of occurrences of the character \a ch in the - string reference. - - If \a cs is Qt::CaseSensitive (default), the search is - case sensitive; otherwise the search is case insensitive. - - \sa QString::count(), contains(), indexOf() -*/ -int QStringRef::count(QChar ch, Qt::CaseSensitivity cs) const -{ - // ### Qt6: qsizetype - return int(QtPrivate::count(QStringView(unicode(), size()), ch, cs)); -} - -/*! - \since 4.8 - \overload count() - - Returns the number of (potentially overlapping) occurrences of the - string reference \a str in this string reference. - - If \a cs is Qt::CaseSensitive (default), the search is - case sensitive; otherwise the search is case insensitive. - - \sa QString::count(), contains(), indexOf() -*/ -int QStringRef::count(const QStringRef &str, Qt::CaseSensitivity cs) const -{ - // ### Qt6: qsizetype - return int(QtPrivate::count(QStringView(unicode(), size()), QStringView(str.unicode(), str.size()), cs)); -} - -/*! - \since 5.9 - - Returns \c true if the string is read right to left. - - \sa QString::isRightToLeft() -*/ -bool QStringRef::isRightToLeft() const -{ - return QtPrivate::isRightToLeft(QStringView(unicode(), size())); -} - /*! \since 5.11 \internal @@ -10849,193 +9568,6 @@ bool QtPrivate::isRightToLeft(QStringView string) noexcept return false; } -/*! - \since 4.8 - - Returns \c true if the string reference starts with \a str; otherwise - returns \c false. - - If \a cs is Qt::CaseSensitive (default), the search is - case sensitive; otherwise the search is case insensitive. - - \sa QString::startsWith(), endsWith() -*/ -bool QStringRef::startsWith(const QString &str, Qt::CaseSensitivity cs) const -{ - return qt_starts_with(*this, str, cs); -} - -/*! - \since 4.8 - \overload startsWith() - \sa QString::startsWith(), endsWith() -*/ -bool QStringRef::startsWith(QLatin1String str, Qt::CaseSensitivity cs) const -{ - return qt_starts_with(*this, str, cs); -} - -/*! - \fn bool QStringRef::startsWith(QStringView str, Qt::CaseSensitivity cs) const - \since 5.10 - \overload startsWith() - \sa QString::startsWith(), endsWith() -*/ - -/*! - \since 4.8 - \overload startsWith() - \sa QString::startsWith(), endsWith() -*/ -bool QStringRef::startsWith(const QStringRef &str, Qt::CaseSensitivity cs) const -{ - return qt_starts_with(*this, str, cs); -} - -/*! - \since 4.8 - \overload startsWith() - - Returns \c true if the string reference starts with \a ch; otherwise - returns \c false. - - If \a cs is Qt::CaseSensitive (default), the search is case - sensitive; otherwise the search is case insensitive. - - \sa QString::startsWith(), endsWith() -*/ -bool QStringRef::startsWith(QChar ch, Qt::CaseSensitivity cs) const -{ - return qt_starts_with(*this, ch, cs); -} - -/*! - \since 4.8 - Returns \c true if the string reference ends with \a str; otherwise - returns \c false. - - If \a cs is Qt::CaseSensitive (default), the search is case - sensitive; otherwise the search is case insensitive. - - \sa QString::endsWith(), startsWith() -*/ -bool QStringRef::endsWith(const QString &str, Qt::CaseSensitivity cs) const -{ - return qt_ends_with(*this, str, cs); -} - -/*! - \since 4.8 - \overload endsWith() - - Returns \c true if the string reference ends with \a ch; otherwise - returns \c false. - - If \a cs is Qt::CaseSensitive (default), the search is case - sensitive; otherwise the search is case insensitive. - - \sa QString::endsWith(), endsWith() -*/ -bool QStringRef::endsWith(QChar ch, Qt::CaseSensitivity cs) const -{ - return qt_ends_with(*this, ch, cs); -} - -/*! - \since 4.8 - \overload endsWith() - \sa QString::endsWith(), endsWith() -*/ -bool QStringRef::endsWith(QLatin1String str, Qt::CaseSensitivity cs) const -{ - return qt_ends_with(*this, str, cs); -} - -/*! - \fn bool QStringRef::endsWith(QStringView str, Qt::CaseSensitivity cs) const - \since 5.10 - \overload endsWith() - \sa QString::endsWith(), startsWith() -*/ - -/*! - \since 4.8 - \overload endsWith() - \sa QString::endsWith(), endsWith() -*/ -bool QStringRef::endsWith(const QStringRef &str, Qt::CaseSensitivity cs) const -{ - return qt_ends_with(*this, str, cs); -} - -#if QT_STRINGVIEW_LEVEL < 2 -/*! \fn bool QStringRef::contains(const QString &str, Qt::CaseSensitivity cs = Qt::CaseSensitive) const - - \since 4.8 - Returns \c true if this string reference contains an occurrence of - the string \a str; otherwise returns \c false. - - If \a cs is Qt::CaseSensitive (default), the search is - case sensitive; otherwise the search is case insensitive. - - \sa indexOf(), count() -*/ -#endif // QT_STRINGVIEW_LEVEL < 2 - -/*! \fn bool QStringRef::contains(QChar ch, Qt::CaseSensitivity cs = Qt::CaseSensitive) const - - \overload contains() - \since 4.8 - - Returns \c true if this string contains an occurrence of the - character \a ch; otherwise returns \c false. - - If \a cs is Qt::CaseSensitive (default), the search is - case sensitive; otherwise the search is case insensitive. - -*/ - -#if QT_STRINGVIEW_LEVEL < 2 -/*! \fn bool QStringRef::contains(const QStringRef &str, Qt::CaseSensitivity cs = Qt::CaseSensitive) const - \overload contains() - \since 4.8 - - Returns \c true if this string reference contains an occurrence of - the string reference \a str; otherwise returns \c false. - - If \a cs is Qt::CaseSensitive (default), the search is - case sensitive; otherwise the search is case insensitive. - - \sa indexOf(), count() -*/ -#endif // QT_STRINGVIEW_LEVEL < 2 - -/*! \fn bool QStringRef::contains(QLatin1String str, Qt::CaseSensitivity cs) const - \since 4.8 - \overload contains() - - Returns \c true if this string reference contains an occurrence of - the string \a str; otherwise returns \c false. - - If \a cs is Qt::CaseSensitive (default), the search is - case sensitive; otherwise the search is case insensitive. - - \sa indexOf(), count() -*/ - -/*! \fn bool QStringRef::contains(QStringView str, Qt::CaseSensitivity cs = Qt::CaseSensitive) const - \since 5.14 - \overload contains() - - Returns \c true if this string reference contains an occurrence of - the string view \a str; otherwise returns \c false. - - If \a cs is Qt::CaseSensitive (default), the search is - case sensitive; otherwise the search is case insensitive. - - \sa indexOf(), count() -*/ - qsizetype QtPrivate::count(QStringView haystack, QStringView needle, Qt::CaseSensitivity cs) noexcept { qsizetype num = 0; @@ -11501,356 +10033,6 @@ qsizetype QtPrivate::lastIndexOf(QLatin1String haystack, qsizetype from, QLatin1 } /*! - \since 4.8 - - Returns a Latin-1 representation of the string as a QByteArray. - - The returned byte array is undefined if the string contains non-Latin1 - characters. Those characters may be suppressed or replaced with a - question mark. - - \sa toUtf8(), toLocal8Bit(), QStringEncoder -*/ -QByteArray QStringRef::toLatin1() const -{ - return qt_convert_to_latin1(*this); -} - -/*! - \since 4.8 - - Returns the local 8-bit representation of the string as a - QByteArray. The returned byte array is undefined if the string - contains characters not supported by the local 8-bit encoding. - - On Unix systems this is equivalen to toUtf8(), on Windows the systems - current code page is being used. - - If this string contains any characters that cannot be encoded in the - locale, the returned byte array is undefined. Those characters may be - suppressed or replaced by another. - - \sa toLatin1(), toUtf8(), QStringEncoder -*/ -QByteArray QStringRef::toLocal8Bit() const -{ - return qt_convert_to_local_8bit(*this); -} - -/*! - \since 4.8 - - Returns a UTF-8 representation of the string as a QByteArray. - - UTF-8 is a Unicode codec and can represent all characters in a Unicode - string like QString. - - \sa toLatin1(), toLocal8Bit(), QStringEncoder -*/ -QByteArray QStringRef::toUtf8() const -{ - return qt_convert_to_utf8(*this); -} - -/*! - \since 4.8 - - Returns a UCS-4/UTF-32 representation of the string as a QList<uint>. - - UCS-4 is a Unicode codec and therefore it is lossless. All characters from - this string will be encoded in UCS-4. Any invalid sequence of code units in - this string is replaced by the Unicode's replacement character - (QChar::ReplacementCharacter, which corresponds to \c{U+FFFD}). - - The returned list is not \\0'-terminated. - - \sa toUtf8(), toLatin1(), toLocal8Bit(), QStringEncoder -*/ -QList<uint> QStringRef::toUcs4() const -{ - return qt_convert_to_ucs4(*this); -} - -/*! - Returns a string that has whitespace removed from the start and - the end. - - Whitespace means any character for which QChar::isSpace() returns - \c true. This includes the ASCII characters '\\t', '\\n', '\\v', - '\\f', '\\r', and ' '. - - Unlike QString::simplified(), trimmed() leaves internal whitespace alone. - - \since 5.1 - - \sa QString::trimmed() -*/ -QStringRef QStringRef::trimmed() const -{ - const QChar *begin = cbegin(); - const QChar *end = cend(); - QStringAlgorithms<const QStringRef>::trimmed_helper_positions(begin, end); - if (begin == cbegin() && end == cend()) - return *this; - int position = m_position + (begin - cbegin()); - return QStringRef(m_string, position, end - begin); -} - -/*! - Returns the string converted to a \c{long long} using base \a - base, which is 10 by default and must be between 2 and 36, or 0. - Returns 0 if the conversion fails. - - If \a ok is not \nullptr, failure is reported by setting *\a{ok} - to \c false, and success by setting *\a{ok} to \c true. - - If \a base is 0, the C language convention is used: If the string - begins with "0x", base 16 is used; if the string begins with "0", - base 8 is used; otherwise, base 10 is used. - - The string conversion will always happen in the 'C' locale. For locale - dependent conversion use QLocale::toLongLong() - - \sa QString::toLongLong() - - \since 5.1 -*/ - -qint64 QStringRef::toLongLong(bool *ok, int base) const -{ - return QString::toIntegral_helper<qint64>(*this, ok, base); -} - -/*! - Returns the string converted to an \c{unsigned long long} using base \a - base, which is 10 by default and must be between 2 and 36, or 0. - Returns 0 if the conversion fails. - - If \a ok is not \nullptr, failure is reported by setting *\a{ok} - to \c false, and success by setting *\a{ok} to \c true. - - If \a base is 0, the C language convention is used: If the string - begins with "0x", base 16 is used; if the string begins with "0", - base 8 is used; otherwise, base 10 is used. - - The string conversion will always happen in the 'C' locale. For locale - dependent conversion use QLocale::toULongLong() - - \sa QString::toULongLong() - - \since 5.1 -*/ - -quint64 QStringRef::toULongLong(bool *ok, int base) const -{ - return QString::toIntegral_helper<quint64>(*this, ok, base); -} - -/*! - \fn long QStringRef::toLong(bool *ok, int base) const - - Returns the string converted to a \c long using base \a - base, which is 10 by default and must be between 2 and 36, or 0. - Returns 0 if the conversion fails. - - If \a ok is not \nullptr, failure is reported by setting *\a{ok} - to \c false, and success by setting *\a{ok} to \c true. - - If \a base is 0, the C language convention is used: If the string - begins with "0x", base 16 is used; if the string begins with "0", - base 8 is used; otherwise, base 10 is used. - - The string conversion will always happen in the 'C' locale. For locale - dependent conversion use QLocale::toLong() - - \sa QString::toLong() - - \since 5.1 -*/ - -long QStringRef::toLong(bool *ok, int base) const -{ - return QString::toIntegral_helper<long>(*this, ok, base); -} - -/*! - \fn ulong QStringRef::toULong(bool *ok, int base) const - - Returns the string converted to an \c{unsigned long} using base \a - base, which is 10 by default and must be between 2 and 36, or 0. - Returns 0 if the conversion fails. - - If \a ok is not \nullptr, failure is reported by setting *\a{ok} - to \c false, and success by setting *\a{ok} to \c true. - - If \a base is 0, the C language convention is used: If the string - begins with "0x", base 16 is used; if the string begins with "0", - base 8 is used; otherwise, base 10 is used. - - The string conversion will always happen in the 'C' locale. For locale - dependent conversion use QLocale::toULongLong() - - \sa QString::toULong() - - \since 5.1 -*/ - -ulong QStringRef::toULong(bool *ok, int base) const -{ - return QString::toIntegral_helper<ulong>(*this, ok, base); -} - - -/*! - Returns the string converted to an \c int using base \a - base, which is 10 by default and must be between 2 and 36, or 0. - Returns 0 if the conversion fails. - - If \a ok is not \nullptr, failure is reported by setting *\a{ok} - to \c false, and success by setting *\a{ok} to \c true. - - If \a base is 0, the C language convention is used: If the string - begins with "0x", base 16 is used; if the string begins with "0", - base 8 is used; otherwise, base 10 is used. - - The string conversion will always happen in the 'C' locale. For locale - dependent conversion use QLocale::toInt() - - \sa QString::toInt() - - \since 5.1 -*/ - -int QStringRef::toInt(bool *ok, int base) const -{ - return QString::toIntegral_helper<int>(*this, ok, base); -} - -/*! - Returns the string converted to an \c{unsigned int} using base \a - base, which is 10 by default and must be between 2 and 36, or 0. - Returns 0 if the conversion fails. - - If \a ok is not \nullptr, failure is reported by setting *\a{ok} - to \c false, and success by setting *\a{ok} to \c true. - - If \a base is 0, the C language convention is used: If the string - begins with "0x", base 16 is used; if the string begins with "0", - base 8 is used; otherwise, base 10 is used. - - The string conversion will always happen in the 'C' locale. For locale - dependent conversion use QLocale::toUInt() - - \sa QString::toUInt() - - \since 5.1 -*/ - -uint QStringRef::toUInt(bool *ok, int base) const -{ - return QString::toIntegral_helper<uint>(*this, ok, base); -} - -/*! - Returns the string converted to a \c short using base \a - base, which is 10 by default and must be between 2 and 36, or 0. - Returns 0 if the conversion fails. - - If \a ok is not \nullptr, failure is reported by setting *\a{ok} - to \c false, and success by setting *\a{ok} to \c true. - - If \a base is 0, the C language convention is used: If the string - begins with "0x", base 16 is used; if the string begins with "0", - base 8 is used; otherwise, base 10 is used. - - The string conversion will always happen in the 'C' locale. For locale - dependent conversion use QLocale::toShort() - - \sa QString::toShort() - - \since 5.1 -*/ - -short QStringRef::toShort(bool *ok, int base) const -{ - return QString::toIntegral_helper<short>(*this, ok, base); -} - -/*! - Returns the string converted to an \c{unsigned short} using base \a - base, which is 10 by default and must be between 2 and 36, or 0. - Returns 0 if the conversion fails. - - If \a ok is not \nullptr, failure is reported by setting *\a{ok} - to \c false, and success by setting *\a{ok} to \c true. - - If \a base is 0, the C language convention is used: If the string - begins with "0x", base 16 is used; if the string begins with "0", - base 8 is used; otherwise, base 10 is used. - - The string conversion will always happen in the 'C' locale. For locale - dependent conversion use QLocale::toUShort() - - \sa QString::toUShort() - - \since 5.1 -*/ - -ushort QStringRef::toUShort(bool *ok, int base) const -{ - return QString::toIntegral_helper<ushort>(*this, ok, base); -} - - -/*! - Returns the string converted to a \c double value. - - Returns an infinity if the conversion overflows or 0.0 if the - conversion fails for other reasons (e.g. underflow). - - If \a ok is not \nullptr, failure is reported by setting *\a{ok} - to \c false, and success by setting *\a{ok} to \c true. - - The string conversion will always happen in the 'C' locale. For locale - dependent conversion use QLocale::toDouble() - - For historic reasons, this function does not handle - thousands group separators. If you need to convert such numbers, - use QLocale::toDouble(). - - \sa QString::toDouble() - - \since 5.1 -*/ - -double QStringRef::toDouble(bool *ok) const -{ - return QLocaleData::c()->stringToDouble(*this, ok, QLocale::RejectGroupSeparator); -} - -/*! - Returns the string converted to a \c float value. - - Returns an infinity if the conversion overflows or 0.0 if the - conversion fails for other reasons (e.g. underflow). - - If \a ok is not \nullptr, failure is reported by setting *\a{ok} - to \c false, and success by setting *\a{ok} to \c true. - - The string conversion will always happen in the 'C' locale. For locale - dependent conversion use QLocale::toFloat() - - \sa QString::toFloat() - - \since 5.1 -*/ - -float QStringRef::toFloat(bool *ok) const -{ - return QLocaleData::convertDoubleToFloat(toDouble(ok), ok); -} - -/*! \since 5.0 Converts a plain text string to an HTML string with |