| /**************************************************************************** |
| ** |
| ** 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) && !__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 |