Move text-related code out of corelib/tools/ to corelib/text/

This includes byte array, string, char, unicode, locale, collation and
regular expressions.

Change-Id: I8b125fa52c8c513eb57a0f1298b91910e5a0d786
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>

1 files changed, 0 insertions, 754 deletions

diff --git a/src/corelib/tools/qbytearray.h b/src/corelib/tools/qbytearray.h
deleted file mode 100644
index 7c571706d8..0000000000
--- a/src/corelib/tools/qbytearray.h
+++ /dev/null
@@ -1,754 +0,0 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Copyright (C) 2016 Intel Corporation.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the QtCore module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#ifndef QBYTEARRAY_H
-#define QBYTEARRAY_H
-
-#include <QtCore/qrefcount.h>
-#include <QtCore/qnamespace.h>
-#include <QtCore/qarraydata.h>
-
-#include <stdlib.h>
-#include <string.h>
-#include <stdarg.h>
-
-#include <string>
-#include <iterator>
-
-#ifdef truncate
-#error qbytearray.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(CFData);
-Q_FORWARD_DECLARE_OBJC_CLASS(NSData);
-#endif
-
-QT_BEGIN_NAMESPACE
-
-
-/*****************************************************************************
-  Safe and portable C string functions; extensions to standard string.h
- *****************************************************************************/
-
-Q_CORE_EXPORT char *qstrdup(const char *);
-
-inline uint qstrlen(const char *str)
-{ return str ? uint(strlen(str)) : 0; }
-
-inline uint qstrnlen(const char *str, uint maxlen)
-{
-    uint length = 0;
-    if (str) {
-        while (length < maxlen && *str++)
-            length++;
-    }
-    return length;
-}
-
-Q_CORE_EXPORT char *qstrcpy(char *dst, const char *src);
-Q_CORE_EXPORT char *qstrncpy(char *dst, const char *src, uint len);
-
-Q_CORE_EXPORT int qstrcmp(const char *str1, const char *str2);
-Q_CORE_EXPORT int qstrcmp(const QByteArray &str1, const QByteArray &str2);
-Q_CORE_EXPORT int qstrcmp(const QByteArray &str1, const char *str2);
-static inline int qstrcmp(const char *str1, const QByteArray &str2)
-{ return -qstrcmp(str2, str1); }
-
-inline int qstrncmp(const char *str1, const char *str2, uint len)
-{
-    return (str1 && str2) ? strncmp(str1, str2, len)
-        : (str1 ? 1 : (str2 ? -1 : 0));
-}
-Q_CORE_EXPORT int qstricmp(const char *, const char *);
-Q_CORE_EXPORT int qstrnicmp(const char *, const char *, uint len);
-Q_CORE_EXPORT int qstrnicmp(const char *, qsizetype, const char *, qsizetype = -1);
-
-// implemented in qvsnprintf.cpp
-Q_CORE_EXPORT int qvsnprintf(char *str, size_t n, const char *fmt, va_list ap);
-Q_CORE_EXPORT int qsnprintf(char *str, size_t n, const char *fmt, ...);
-
-// qChecksum: Internet checksum
-Q_CORE_EXPORT quint16 qChecksum(const char *s, uint len);                            // ### Qt 6: Remove
-Q_CORE_EXPORT quint16 qChecksum(const char *s, uint len, Qt::ChecksumType standard); // ### Qt 6: Use Qt::ChecksumType standard = Qt::ChecksumIso3309
-
-class QByteRef;
-class QString;
-class QDataStream;
-template <typename T> class QList;
-
-typedef QArrayData QByteArrayData;
-
-template<int N> struct QStaticByteArrayData
-{
-    QByteArrayData ba;
-    char data[N + 1];
-
-    QByteArrayData *data_ptr() const
-    {
-        Q_ASSERT(ba.ref.isStatic());
-        return const_cast<QByteArrayData *>(&ba);
-    }
-};
-
-struct QByteArrayDataPtr
-{
-    QByteArrayData *ptr;
-};
-
-#define Q_STATIC_BYTE_ARRAY_DATA_HEADER_INITIALIZER_WITH_OFFSET(size, offset) \
-    Q_STATIC_ARRAY_DATA_HEADER_INITIALIZER_WITH_OFFSET(size, offset)
-    /**/
-
-#define Q_STATIC_BYTE_ARRAY_DATA_HEADER_INITIALIZER(size) \
-    Q_STATIC_BYTE_ARRAY_DATA_HEADER_INITIALIZER_WITH_OFFSET(size, sizeof(QByteArrayData)) \
-    /**/
-
-#  define QByteArrayLiteral(str) \
-    ([]() -> QByteArray { \
-        enum { Size = sizeof(str) - 1 }; \
-        static const QStaticByteArrayData<Size> qbytearray_literal = { \
-            Q_STATIC_BYTE_ARRAY_DATA_HEADER_INITIALIZER(Size), \
-            str }; \
-        QByteArrayDataPtr holder = { qbytearray_literal.data_ptr() }; \
-        const QByteArray ba(holder); \
-        return ba; \
-    }()) \
-    /**/
-
-class Q_CORE_EXPORT QByteArray
-{
-private:
-    typedef QTypedArrayData<char> Data;
-
-public:
-    enum Base64Option {
-        Base64Encoding = 0,
-        Base64UrlEncoding = 1,
-
-        KeepTrailingEquals = 0,
-        OmitTrailingEquals = 2
-    };
-    Q_DECLARE_FLAGS(Base64Options, Base64Option)
-
-    inline QByteArray() noexcept;
-    QByteArray(const char *, int size = -1);
-    QByteArray(int size, char c);
-    QByteArray(int size, Qt::Initialization);
-    inline QByteArray(const QByteArray &) noexcept;
-    inline ~QByteArray();
-
-    QByteArray &operator=(const QByteArray &) noexcept;
-    QByteArray &operator=(const char *str);
-    inline QByteArray(QByteArray && other) noexcept : d(other.d) { other.d = Data::sharedNull(); }
-    inline QByteArray &operator=(QByteArray &&other) noexcept
-    { qSwap(d, other.d); return *this; }
-
-    inline void swap(QByteArray &other) noexcept
-    { qSwap(d, other.d); }
-
-    inline int size() const;
-    inline bool isEmpty() const;
-    void resize(int size);
-
-    QByteArray &fill(char c, int size = -1);
-
-    inline int capacity() const;
-    inline void reserve(int size);
-    inline void squeeze();
-
-#ifndef QT_NO_CAST_FROM_BYTEARRAY
-    inline operator const char *() const;
-    inline operator const void *() const;
-#endif
-    inline char *data();
-    inline const char *data() const;
-    inline const char *constData() const;
-    inline void detach();
-    inline bool isDetached() const;
-    inline bool isSharedWith(const QByteArray &other) const { return d == other.d; }
-    void clear();
-
-    inline char at(int i) const;
-    inline char operator[](int i) const;
-    inline char operator[](uint i) const;
-    Q_REQUIRED_RESULT inline QByteRef operator[](int i);
-    Q_REQUIRED_RESULT inline QByteRef operator[](uint i);
-    Q_REQUIRED_RESULT char front() const { return at(0); }
-    Q_REQUIRED_RESULT inline QByteRef front();
-    Q_REQUIRED_RESULT char back() const { return at(size() - 1); }
-    Q_REQUIRED_RESULT inline QByteRef back();
-
-    int indexOf(char c, int from = 0) const;
-    int indexOf(const char *c, int from = 0) const;
-    int indexOf(const QByteArray &a, int from = 0) const;
-    int lastIndexOf(char c, int from = -1) const;
-    int lastIndexOf(const char *c, int from = -1) const;
-    int lastIndexOf(const QByteArray &a, int from = -1) const;
-
-    inline bool contains(char c) const;
-    inline bool contains(const char *a) const;
-    inline bool contains(const QByteArray &a) const;
-    int count(char c) const;
-    int count(const char *a) const;
-    int count(const QByteArray &a) const;
-
-    inline int compare(const char *c, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
-    inline int compare(const QByteArray &a, Qt::CaseSensitivity cs = Qt::CaseSensitive) const;
-
-    Q_REQUIRED_RESULT QByteArray left(int len) const;
-    Q_REQUIRED_RESULT QByteArray right(int len) const;
-    Q_REQUIRED_RESULT QByteArray mid(int index, int len = -1) const;
-    Q_REQUIRED_RESULT QByteArray chopped(int len) const
-    { Q_ASSERT(len >= 0); Q_ASSERT(len <= size()); return left(size() - len); }
-
-    bool startsWith(const QByteArray &a) const;
-    bool startsWith(char c) const;
-    bool startsWith(const char *c) const;
-
-    bool endsWith(const QByteArray &a) const;
-    bool endsWith(char c) const;
-    bool endsWith(const char *c) const;
-
-    bool isUpper() const;
-    bool isLower() const;
-
-    void truncate(int pos);
-    void chop(int n);
-
-#if defined(Q_COMPILER_REF_QUALIFIERS) && !defined(QT_COMPILING_QSTRING_COMPAT_CPP) && !defined(Q_CLANG_QDOC)
-#  if defined(Q_CC_GNU) && !defined(Q_CC_CLANG) && !defined(Q_CC_INTEL) && !QT_HAS_CPP_ATTRIBUTE(nodiscard)
-    // required due to https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61941
-#    pragma push_macro("Q_REQUIRED_RESULT")
-#    undef Q_REQUIRED_RESULT
-#    define Q_REQUIRED_RESULT
-#    define Q_REQUIRED_RESULT_pushed
-#  endif
-    Q_REQUIRED_RESULT QByteArray toLower() const &
-    { return toLower_helper(*this); }
-    Q_REQUIRED_RESULT QByteArray toLower() &&
-    { return toLower_helper(*this); }
-    Q_REQUIRED_RESULT QByteArray toUpper() const &
-    { return toUpper_helper(*this); }
-    Q_REQUIRED_RESULT QByteArray toUpper() &&
-    { return toUpper_helper(*this); }
-    Q_REQUIRED_RESULT QByteArray trimmed() const &
-    { return trimmed_helper(*this); }
-    Q_REQUIRED_RESULT QByteArray trimmed() &&
-    { return trimmed_helper(*this); }
-    Q_REQUIRED_RESULT QByteArray simplified() const &
-    { return simplified_helper(*this); }
-    Q_REQUIRED_RESULT QByteArray simplified() &&
-    { return simplified_helper(*this); }
-#  ifdef Q_REQUIRED_RESULT_pushed
-#    pragma pop_macro("Q_REQUIRED_RESULT")
-#  endif
-#else
-    Q_REQUIRED_RESULT QByteArray toLower() const;
-    Q_REQUIRED_RESULT QByteArray toUpper() const;
-    Q_REQUIRED_RESULT QByteArray trimmed() const;
-    Q_REQUIRED_RESULT QByteArray simplified() const;
-#endif
-
-    Q_REQUIRED_RESULT QByteArray leftJustified(int width, char fill = ' ', bool truncate = false) const;
-    Q_REQUIRED_RESULT QByteArray rightJustified(int width, char fill = ' ', bool truncate = false) const;
-
-    QByteArray &prepend(char c);
-    inline QByteArray &prepend(int count, char c);
-    QByteArray &prepend(const char *s);
-    QByteArray &prepend(const char *s, int len);
-    QByteArray &prepend(const QByteArray &a);
-    QByteArray &append(char c);
-    inline QByteArray &append(int count, char c);
-    QByteArray &append(const char *s);
-    QByteArray &append(const char *s, int len);
-    QByteArray &append(const QByteArray &a);
-    QByteArray &insert(int i, char c);
-    QByteArray &insert(int i, int count, char c);
-    QByteArray &insert(int i, const char *s);
-    QByteArray &insert(int i, const char *s, int len);
-    QByteArray &insert(int i, const QByteArray &a);
-    QByteArray &remove(int index, int len);
-    QByteArray &replace(int index, int len, const char *s);
-    QByteArray &replace(int index, int len, const char *s, int alen);
-    QByteArray &replace(int index, int len, const QByteArray &s);
-    inline QByteArray &replace(char before, const char *after);
-    QByteArray &replace(char before, const QByteArray &after);
-    inline QByteArray &replace(const char *before, const char *after);
-    QByteArray &replace(const char *before, int bsize, const char *after, int asize);
-    QByteArray &replace(const QByteArray &before, const QByteArray &after);
-    inline QByteArray &replace(const QByteArray &before, const char *after);
-    QByteArray &replace(const char *before, const QByteArray &after);
-    QByteArray &replace(char before, char after);
-    inline QByteArray &operator+=(char c);
-    inline QByteArray &operator+=(const char *s);
-    inline QByteArray &operator+=(const QByteArray &a);
-
-    QList<QByteArray> split(char sep) const;
-
-    Q_REQUIRED_RESULT QByteArray repeated(int times) const;
-
-#ifndef QT_NO_CAST_TO_ASCII
-    QT_ASCII_CAST_WARN QByteArray &append(const QString &s);
-    QT_ASCII_CAST_WARN QByteArray &insert(int i, const QString &s);
-    QT_ASCII_CAST_WARN QByteArray &replace(const QString &before, const char *after);
-    QT_ASCII_CAST_WARN QByteArray &replace(char c, const QString &after);
-    QT_ASCII_CAST_WARN QByteArray &replace(const QString &before, const QByteArray &after);
-
-    QT_ASCII_CAST_WARN QByteArray &operator+=(const QString &s);
-    QT_ASCII_CAST_WARN int indexOf(const QString &s, int from = 0) const;
-    QT_ASCII_CAST_WARN int lastIndexOf(const QString &s, int from = -1) const;
-#endif
-#if !defined(QT_NO_CAST_FROM_ASCII) && !defined(QT_RESTRICTED_CAST_FROM_ASCII)
-    inline QT_ASCII_CAST_WARN bool operator==(const QString &s2) const;
-    inline QT_ASCII_CAST_WARN bool operator!=(const QString &s2) const;
-    inline QT_ASCII_CAST_WARN bool operator<(const QString &s2) const;
-    inline QT_ASCII_CAST_WARN bool operator>(const QString &s2) const;
-    inline QT_ASCII_CAST_WARN bool operator<=(const QString &s2) const;
-    inline QT_ASCII_CAST_WARN bool operator>=(const QString &s2) const;
-#endif
-
-    short toShort(bool *ok = nullptr, int base = 10) const;
-    ushort toUShort(bool *ok = nullptr, int base = 10) const;
-    int toInt(bool *ok = nullptr, int base = 10) const;
-    uint toUInt(bool *ok = nullptr, int base = 10) const;
-    long toLong(bool *ok = nullptr, int base = 10) const;
-    ulong toULong(bool *ok = nullptr, int base = 10) const;
-    qlonglong toLongLong(bool *ok = nullptr, int base = 10) const;
-    qulonglong toULongLong(bool *ok = nullptr, int base = 10) const;
-    float toFloat(bool *ok = nullptr) const;
-    double toDouble(bool *ok = nullptr) const;
-    QByteArray toBase64(Base64Options options) const;
-    QByteArray toBase64() const; // ### Qt6 merge with previous
-    QByteArray toHex() const;
-    QByteArray toHex(char separator) const; // ### Qt6 merge with previous
-    QByteArray toPercentEncoding(const QByteArray &exclude = QByteArray(),
-                                 const QByteArray &include = QByteArray(),
-                                 char percent = '%') const;
-
-    inline QByteArray &setNum(short, int base = 10);
-    inline QByteArray &setNum(ushort, int base = 10);
-    inline QByteArray &setNum(int, int base = 10);
-    inline QByteArray &setNum(uint, int base = 10);
-    QByteArray &setNum(qlonglong, int base = 10);
-    QByteArray &setNum(qulonglong, int base = 10);
-    inline QByteArray &setNum(float, char f = 'g', int prec = 6);
-    QByteArray &setNum(double, char f = 'g', int prec = 6);
-    QByteArray &setRawData(const char *a, uint n); // ### Qt 6: use an int
-
-    Q_REQUIRED_RESULT static QByteArray number(int, int base = 10);
-    Q_REQUIRED_RESULT static QByteArray number(uint, int base = 10);
-    Q_REQUIRED_RESULT static QByteArray number(qlonglong, int base = 10);
-    Q_REQUIRED_RESULT static QByteArray number(qulonglong, int base = 10);
-    Q_REQUIRED_RESULT static QByteArray number(double, char f = 'g', int prec = 6);
-    Q_REQUIRED_RESULT static QByteArray fromRawData(const char *, int size);
-    Q_REQUIRED_RESULT static QByteArray fromBase64(const QByteArray &base64, Base64Options options);
-    Q_REQUIRED_RESULT static QByteArray fromBase64(const QByteArray &base64); // ### Qt6 merge with previous
-    Q_REQUIRED_RESULT static QByteArray fromHex(const QByteArray &hexEncoded);
-    Q_REQUIRED_RESULT static QByteArray fromPercentEncoding(const QByteArray &pctEncoded, char percent = '%');
-
-#if defined(Q_OS_DARWIN) || defined(Q_QDOC)
-    static QByteArray fromCFData(CFDataRef data);
-    static QByteArray fromRawCFData(CFDataRef data);
-    CFDataRef toCFData() const Q_DECL_CF_RETURNS_RETAINED;
-    CFDataRef toRawCFData() const Q_DECL_CF_RETURNS_RETAINED;
-    static QByteArray fromNSData(const NSData *data);
-    static QByteArray fromRawNSData(const NSData *data);
-    NSData *toNSData() const Q_DECL_NS_RETURNS_AUTORELEASED;
-    NSData *toRawNSData() const Q_DECL_NS_RETURNS_AUTORELEASED;
-#endif
-
-    typedef char *iterator;
-    typedef const char *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 int size_type;
-    typedef qptrdiff difference_type;
-    typedef const char & const_reference;
-    typedef char & reference;
-    typedef char *pointer;
-    typedef const char *const_pointer;
-    typedef char value_type;
-    inline void push_back(char c);
-    inline void push_back(const char *c);
-    inline void push_back(const QByteArray &a);
-    inline void push_front(char c);
-    inline void push_front(const char *c);
-    inline void push_front(const QByteArray &a);
-    void shrink_to_fit() { squeeze(); }
-
-    static inline QByteArray fromStdString(const std::string &s);
-    inline std::string toStdString() const;
-
-    inline int count() const { return d->size; }
-    int length() const { return d->size; }
-    bool isNull() const;
-
-    inline QByteArray(QByteArrayDataPtr dd)
-        : d(static_cast<Data *>(dd.ptr))
-    {
-    }
-
-private:
-    operator QNoImplicitBoolCast() const;
-    Data *d;
-    void reallocData(uint alloc, Data::AllocationOptions options);
-    void expand(int i);
-    QByteArray nulTerminated() const;
-
-    static QByteArray toLower_helper(const QByteArray &a);
-    static QByteArray toLower_helper(QByteArray &a);
-    static QByteArray toUpper_helper(const QByteArray &a);
-    static QByteArray toUpper_helper(QByteArray &a);
-    static QByteArray trimmed_helper(const QByteArray &a);
-    static QByteArray trimmed_helper(QByteArray &a);
-    static QByteArray simplified_helper(const QByteArray &a);
-    static QByteArray simplified_helper(QByteArray &a);
-
-    friend class QByteRef;
-    friend class QString;
-    friend Q_CORE_EXPORT QByteArray qUncompress(const uchar *data, int nbytes);
-public:
-    typedef Data * DataPtr;
-    inline DataPtr &data_ptr() { return d; }
-};
-
-Q_DECLARE_OPERATORS_FOR_FLAGS(QByteArray::Base64Options)
-
-inline QByteArray::QByteArray() noexcept : d(Data::sharedNull()) { }
-inline QByteArray::~QByteArray() { if (!d->ref.deref()) Data::deallocate(d); }
-inline int QByteArray::size() const
-{ return d->size; }
-
-inline char QByteArray::at(int i) const
-{ Q_ASSERT(uint(i) < uint(size())); return d->data()[i]; }
-inline char QByteArray::operator[](int i) const
-{ Q_ASSERT(uint(i) < uint(size())); return d->data()[i]; }
-inline char QByteArray::operator[](uint i) const
-{ Q_ASSERT(i < uint(size())); return d->data()[i]; }
-
-inline bool QByteArray::isEmpty() const
-{ return d->size == 0; }
-#ifndef QT_NO_CAST_FROM_BYTEARRAY
-inline QByteArray::operator const char *() const
-{ return d->data(); }
-inline QByteArray::operator const void *() const
-{ return d->data(); }
-#endif
-inline char *QByteArray::data()
-{ detach(); return d->data(); }
-inline const char *QByteArray::data() const
-{ return d->data(); }
-inline const char *QByteArray::constData() const
-{ return d->data(); }
-inline void QByteArray::detach()
-{ if (d->ref.isShared() || (d->offset != sizeof(QByteArrayData))) reallocData(uint(d->size) + 1u, d->detachFlags()); }
-inline bool QByteArray::isDetached() const
-{ return !d->ref.isShared(); }
-inline QByteArray::QByteArray(const QByteArray &a) noexcept : d(a.d)
-{ d->ref.ref(); }
-
-inline int QByteArray::capacity() const
-{ return d->alloc ? d->alloc - 1 : 0; }
-
-inline void QByteArray::reserve(int asize)
-{
-    if (d->ref.isShared() || uint(asize) + 1u > d->alloc) {
-        reallocData(qMax(uint(size()), uint(asize)) + 1u, d->detachFlags() | Data::CapacityReserved);
-    } else {
-        // cannot set unconditionally, since d could be the shared_null or
-        // otherwise static
-        d->capacityReserved = true;
-    }
-}
-
-inline void QByteArray::squeeze()
-{
-    if (d->ref.isShared() || uint(d->size) + 1u < d->alloc) {
-        reallocData(uint(d->size) + 1u, d->detachFlags() & ~Data::CapacityReserved);
-    } else {
-        // cannot set unconditionally, since d could be shared_null or
-        // otherwise static.
-        d->capacityReserved = false;
-    }
-}
-
-namespace QtPrivate {
-namespace DeprecatedRefClassBehavior {
-    enum class EmittingClass {
-        QByteRef,
-        QCharRef,
-    };
-
-    enum class WarningType {
-        OutOfRange,
-        DelayedDetach,
-    };
-
-    Q_CORE_EXPORT Q_DECL_COLD_FUNCTION void warn(WarningType w, EmittingClass c);
-} // namespace DeprecatedAssignmentOperatorBehavior
-} // namespace QtPrivate
-
-class
-#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
-Q_CORE_EXPORT
-#endif
-QByteRef {  // ### Qt 7: remove
-    QByteArray &a;
-    int i;
-    inline QByteRef(QByteArray &array, int idx)
-        : a(array),i(idx) {}
-    friend class QByteArray;
-public:
-    inline operator char() const
-    {
-        using namespace QtPrivate::DeprecatedRefClassBehavior;
-        if (Q_LIKELY(i < a.d->size))
-            return a.d->data()[i];
-#ifdef QT_DEBUG
-        warn(WarningType::OutOfRange, EmittingClass::QByteRef);
-#endif
-        return char(0);
-    }
-    inline QByteRef &operator=(char c)
-    {
-        using namespace QtPrivate::DeprecatedRefClassBehavior;
-        if (Q_UNLIKELY(i >= a.d->size)) {
-#ifdef QT_DEBUG
-            warn(WarningType::OutOfRange, EmittingClass::QByteRef);
-#endif
-            a.expand(i);
-        } else {
-#ifdef QT_DEBUG
-            if (Q_UNLIKELY(!a.isDetached()))
-                warn(WarningType::DelayedDetach, EmittingClass::QByteRef);
-#endif
-            a.detach();
-        }
-        a.d->data()[i] = c;
-        return *this;
-    }
-    inline QByteRef &operator=(const QByteRef &c)
-    {
-        return operator=(char(c));
-    }
-    inline bool operator==(char c) const
-    { return a.d->data()[i] == c; }
-    inline bool operator!=(char c) const
-    { return a.d->data()[i] != c; }
-    inline bool operator>(char c) const
-    { return a.d->data()[i] > c; }
-    inline bool operator>=(char c) const
-    { return a.d->data()[i] >= c; }
-    inline bool operator<(char c) const
-    { return a.d->data()[i] < c; }
-    inline bool operator<=(char c) const
-    { return a.d->data()[i] <= c; }
-};
-
-inline QByteRef QByteArray::operator[](int i)
-{ Q_ASSERT(i >= 0); detach(); return QByteRef(*this, i); }
-inline QByteRef QByteArray::operator[](uint i)
-{  detach(); return QByteRef(*this, i); }
-inline QByteRef QByteArray::front() { return operator[](0); }
-inline QByteRef QByteArray::back() { return operator[](size() - 1); }
-inline QByteArray::iterator QByteArray::begin()
-{ detach(); return d->data(); }
-inline QByteArray::const_iterator QByteArray::begin() const
-{ return d->data(); }
-inline QByteArray::const_iterator QByteArray::cbegin() const
-{ return d->data(); }
-inline QByteArray::const_iterator QByteArray::constBegin() const
-{ return d->data(); }
-inline QByteArray::iterator QByteArray::end()
-{ detach(); return d->data() + d->size; }
-inline QByteArray::const_iterator QByteArray::end() const
-{ return d->data() + d->size; }
-inline QByteArray::const_iterator QByteArray::cend() const
-{ return d->data() + d->size; }
-inline QByteArray::const_iterator QByteArray::constEnd() const
-{ return d->data() + d->size; }
-inline QByteArray &QByteArray::append(int n, char ch)
-{ return insert(d->size, n, ch); }
-inline QByteArray &QByteArray::prepend(int n, char ch)
-{ return insert(0, n, ch); }
-inline QByteArray &QByteArray::operator+=(char c)
-{ return append(c); }
-inline QByteArray &QByteArray::operator+=(const char *s)
-{ return append(s); }
-inline QByteArray &QByteArray::operator+=(const QByteArray &a)
-{ return append(a); }
-inline void QByteArray::push_back(char c)
-{ append(c); }
-inline void QByteArray::push_back(const char *c)
-{ append(c); }
-inline void QByteArray::push_back(const QByteArray &a)
-{ append(a); }
-inline void QByteArray::push_front(char c)
-{ prepend(c); }
-inline void QByteArray::push_front(const char *c)
-{ prepend(c); }
-inline void QByteArray::push_front(const QByteArray &a)
-{ prepend(a); }
-inline bool QByteArray::contains(const QByteArray &a) const
-{ return indexOf(a) != -1; }
-inline bool QByteArray::contains(char c) const
-{ return indexOf(c) != -1; }
-inline int QByteArray::compare(const char *c, Qt::CaseSensitivity cs) const
-{
-    return cs == Qt::CaseSensitive ? qstrcmp(*this, c) :
-                                     qstrnicmp(data(), size(), c, -1);
-}
-inline int QByteArray::compare(const QByteArray &a, Qt::CaseSensitivity cs) const
-{
-    return cs == Qt::CaseSensitive ? qstrcmp(*this, a) :
-                                     qstrnicmp(data(), size(), a.data(), a.size());
-}
-inline bool operator==(const QByteArray &a1, const QByteArray &a2) noexcept
-{ return (a1.size() == a2.size()) && (memcmp(a1.constData(), a2.constData(), a1.size())==0); }
-inline bool operator==(const QByteArray &a1, const char *a2) noexcept
-{ return a2 ? qstrcmp(a1,a2) == 0 : a1.isEmpty(); }
-inline bool operator==(const char *a1, const QByteArray &a2) noexcept
-{ return a1 ? qstrcmp(a1,a2) == 0 : a2.isEmpty(); }
-inline bool operator!=(const QByteArray &a1, const QByteArray &a2) noexcept
-{ return !(a1==a2); }
-inline bool operator!=(const QByteArray &a1, const char *a2) noexcept
-{ return a2 ? qstrcmp(a1,a2) != 0 : !a1.isEmpty(); }
-inline bool operator!=(const char *a1, const QByteArray &a2) noexcept
-{ return a1 ? qstrcmp(a1,a2) != 0 : !a2.isEmpty(); }
-inline bool operator<(const QByteArray &a1, const QByteArray &a2) noexcept
-{ return qstrcmp(a1, a2) < 0; }
- inline bool operator<(const QByteArray &a1, const char *a2) noexcept
-{ return qstrcmp(a1, a2) < 0; }
-inline bool operator<(const char *a1, const QByteArray &a2) noexcept
-{ return qstrcmp(a1, a2) < 0; }
-inline bool operator<=(const QByteArray &a1, const QByteArray &a2) noexcept
-{ return qstrcmp(a1, a2) <= 0; }
-inline bool operator<=(const QByteArray &a1, const char *a2) noexcept
-{ return qstrcmp(a1, a2) <= 0; }
-inline bool operator<=(const char *a1, const QByteArray &a2) noexcept
-{ return qstrcmp(a1, a2) <= 0; }
-inline bool operator>(const QByteArray &a1, const QByteArray &a2) noexcept
-{ return qstrcmp(a1, a2) > 0; }
-inline bool operator>(const QByteArray &a1, const char *a2) noexcept
-{ return qstrcmp(a1, a2) > 0; }
-inline bool operator>(const char *a1, const QByteArray &a2) noexcept
-{ return qstrcmp(a1, a2) > 0; }
-inline bool operator>=(const QByteArray &a1, const QByteArray &a2) noexcept
-{ return qstrcmp(a1, a2) >= 0; }
-inline bool operator>=(const QByteArray &a1, const char *a2) noexcept
-{ return qstrcmp(a1, a2) >= 0; }
-inline bool operator>=(const char *a1, const QByteArray &a2) noexcept
-{ return qstrcmp(a1, a2) >= 0; }
-#if !defined(QT_USE_QSTRINGBUILDER)
-inline const QByteArray operator+(const QByteArray &a1, const QByteArray &a2)
-{ return QByteArray(a1) += a2; }
-inline const QByteArray operator+(const QByteArray &a1, const char *a2)
-{ return QByteArray(a1) += a2; }
-inline const QByteArray operator+(const QByteArray &a1, char a2)
-{ return QByteArray(a1) += a2; }
-inline const QByteArray operator+(const char *a1, const QByteArray &a2)
-{ return QByteArray(a1) += a2; }
-inline const QByteArray operator+(char a1, const QByteArray &a2)
-{ return QByteArray(&a1, 1) += a2; }
-#endif // QT_USE_QSTRINGBUILDER
-inline bool QByteArray::contains(const char *c) const
-{ return indexOf(c) != -1; }
-inline QByteArray &QByteArray::replace(char before, const char *c)
-{ return replace(&before, 1, c, qstrlen(c)); }
-inline QByteArray &QByteArray::replace(const QByteArray &before, const char *c)
-{ return replace(before.constData(), before.size(), c, qstrlen(c)); }
-inline QByteArray &QByteArray::replace(const char *before, const char *after)
-{ return replace(before, qstrlen(before), after, qstrlen(after)); }
-
-inline QByteArray &QByteArray::setNum(short n, int base)
-{ return base == 10 ? setNum(qlonglong(n), base) : setNum(qulonglong(ushort(n)), base); }
-inline QByteArray &QByteArray::setNum(ushort n, int base)
-{ return setNum(qulonglong(n), base); }
-inline QByteArray &QByteArray::setNum(int n, int base)
-{ return base == 10 ? setNum(qlonglong(n), base) : setNum(qulonglong(uint(n)), base); }
-inline QByteArray &QByteArray::setNum(uint n, int base)
-{ return setNum(qulonglong(n), base); }
-inline QByteArray &QByteArray::setNum(float n, char f, int prec)
-{ return setNum(double(n),f,prec); }
-
-inline std::string QByteArray::toStdString() const
-{ return std::string(constData(), length()); }
-
-inline QByteArray QByteArray::fromStdString(const std::string &s)
-{ return QByteArray(s.data(), int(s.size())); }
-
-#if !defined(QT_NO_DATASTREAM) || (defined(QT_BOOTSTRAPPED) && !defined(QT_BUILD_QMAKE))
-Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QByteArray &);
-Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QByteArray &);
-#endif
-
-#ifndef QT_NO_COMPRESS
-Q_CORE_EXPORT QByteArray qCompress(const uchar* data, int nbytes, int compressionLevel = -1);
-Q_CORE_EXPORT QByteArray qUncompress(const uchar* data, int nbytes);
-inline QByteArray qCompress(const QByteArray& data, int compressionLevel = -1)
-{ return qCompress(reinterpret_cast<const uchar *>(data.constData()), data.size(), compressionLevel); }
-inline QByteArray qUncompress(const QByteArray& data)
-{ return qUncompress(reinterpret_cast<const uchar*>(data.constData()), data.size()); }
-#endif
-
-Q_DECLARE_SHARED(QByteArray)
-
-QT_END_NAMESPACE
-
-#endif // QBYTEARRAY_H