Files
2026-05-07 16:41:01 +02:00

294 lines
12 KiB
C++

// Copyright (C) 2022 Intel Corporation.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QCBORARRAY_H
#define QCBORARRAY_H
#include <QtCore/qcborvalue.h>
#include <initializer_list>
QT_BEGIN_NAMESPACE
class QJsonArray;
class QDataStream;
namespace QJsonPrivate { class Variant; }
class QCborContainerPrivate;
class Q_CORE_EXPORT QCborArray
{
public:
class ConstIterator;
class Iterator {
QCborValueRef item {};
friend class ConstIterator;
friend class QCborArray;
Iterator(QCborContainerPrivate *dd, qsizetype ii) : item(dd, ii) {}
public:
typedef std::random_access_iterator_tag iterator_category;
typedef qsizetype difference_type;
typedef QCborValue value_type;
typedef QCborValueRef reference;
typedef QCborValueRef *pointer;
constexpr Iterator() = default;
constexpr Iterator(const Iterator &) = default;
Iterator &operator=(const Iterator &other)
{
// rebind the reference
item.d = other.item.d;
item.i = other.item.i;
return *this;
}
QCborValueRef operator*() const { return item; }
QCborValueRef *operator->() { return &item; }
const QCborValueConstRef *operator->() const { return &item; }
QCborValueRef operator[](qsizetype j) const { return { item.d, item.i + j }; }
bool operator==(const Iterator &o) const { return item.d == o.item.d && item.i == o.item.i; }
bool operator!=(const Iterator &o) const { return !(*this == o); }
bool operator<(const Iterator& other) const { Q_ASSERT(item.d == other.item.d); return item.i < other.item.i; }
bool operator<=(const Iterator& other) const { Q_ASSERT(item.d == other.item.d); return item.i <= other.item.i; }
bool operator>(const Iterator& other) const { Q_ASSERT(item.d == other.item.d); return item.i > other.item.i; }
bool operator>=(const Iterator& other) const { Q_ASSERT(item.d == other.item.d); return item.i >= other.item.i; }
bool operator==(const ConstIterator &o) const { return item.d == o.item.d && item.i == o.item.i; }
bool operator!=(const ConstIterator &o) const { return !(*this == o); }
bool operator<(const ConstIterator& other) const { Q_ASSERT(item.d == other.item.d); return item.i < other.item.i; }
bool operator<=(const ConstIterator& other) const { Q_ASSERT(item.d == other.item.d); return item.i <= other.item.i; }
bool operator>(const ConstIterator& other) const { Q_ASSERT(item.d == other.item.d); return item.i > other.item.i; }
bool operator>=(const ConstIterator& other) const { Q_ASSERT(item.d == other.item.d); return item.i >= other.item.i; }
Iterator &operator++() { ++item.i; return *this; }
Iterator operator++(int) { Iterator n = *this; ++item.i; return n; }
Iterator &operator--() { item.i--; return *this; }
Iterator operator--(int) { Iterator n = *this; item.i--; return n; }
Iterator &operator+=(qsizetype j) { item.i += j; return *this; }
Iterator &operator-=(qsizetype j) { item.i -= j; return *this; }
Iterator operator+(qsizetype j) const { return Iterator({ item.d, item.i + j }); }
Iterator operator-(qsizetype j) const { return Iterator({ item.d, item.i - j }); }
qsizetype operator-(Iterator j) const { return item.i - j.item.i; }
};
class ConstIterator {
QCborValueConstRef item;
friend class Iterator;
friend class QCborArray;
ConstIterator(QCborContainerPrivate *dd, qsizetype ii) : item(dd, ii) {}
public:
typedef std::random_access_iterator_tag iterator_category;
typedef qsizetype difference_type;
typedef const QCborValue value_type;
typedef const QCborValueRef reference;
typedef const QCborValueRef *pointer;
constexpr ConstIterator() = default;
constexpr ConstIterator(const ConstIterator &) = default;
ConstIterator &operator=(const ConstIterator &other)
{
// rebind the reference
item.d = other.item.d;
item.i = other.item.i;
return *this;
}
QCborValueConstRef operator*() const { return item; }
const QCborValueConstRef *operator->() const { return &item; }
QCborValueConstRef operator[](qsizetype j) const { return QCborValueRef{ item.d, item.i + j }; }
bool operator==(const Iterator &o) const { return item.d == o.item.d && item.i == o.item.i; }
bool operator!=(const Iterator &o) const { return !(*this == o); }
bool operator<(const Iterator& other) const { Q_ASSERT(item.d == other.item.d); return item.i < other.item.i; }
bool operator<=(const Iterator& other) const { Q_ASSERT(item.d == other.item.d); return item.i <= other.item.i; }
bool operator>(const Iterator& other) const { Q_ASSERT(item.d == other.item.d); return item.i > other.item.i; }
bool operator>=(const Iterator& other) const { Q_ASSERT(item.d == other.item.d); return item.i >= other.item.i; }
bool operator==(const ConstIterator &o) const { return item.d == o.item.d && item.i == o.item.i; }
bool operator!=(const ConstIterator &o) const { return !(*this == o); }
bool operator<(const ConstIterator& other) const { Q_ASSERT(item.d == other.item.d); return item.i < other.item.i; }
bool operator<=(const ConstIterator& other) const { Q_ASSERT(item.d == other.item.d); return item.i <= other.item.i; }
bool operator>(const ConstIterator& other) const { Q_ASSERT(item.d == other.item.d); return item.i > other.item.i; }
bool operator>=(const ConstIterator& other) const { Q_ASSERT(item.d == other.item.d); return item.i >= other.item.i; }
ConstIterator &operator++() { ++item.i; return *this; }
ConstIterator operator++(int) { ConstIterator n = *this; ++item.i; return n; }
ConstIterator &operator--() { item.i--; return *this; }
ConstIterator operator--(int) { ConstIterator n = *this; item.i--; return n; }
ConstIterator &operator+=(qsizetype j) { item.i += j; return *this; }
ConstIterator &operator-=(qsizetype j) { item.i -= j; return *this; }
ConstIterator operator+(qsizetype j) const { return ConstIterator({ item.d, item.i + j }); }
ConstIterator operator-(qsizetype j) const { return ConstIterator({ item.d, item.i - j }); }
qsizetype operator-(ConstIterator j) const { return item.i - j.item.i; }
};
typedef qsizetype size_type;
typedef QCborValue value_type;
typedef value_type *pointer;
typedef const value_type *const_pointer;
typedef QCborValue &reference;
typedef const QCborValue &const_reference;
typedef qsizetype difference_type;
QCborArray() noexcept;
QCborArray(const QCborArray &other) noexcept;
QCborArray &operator=(const QCborArray &other) noexcept;
QCborArray(std::initializer_list<QCborValue> args)
: QCborArray()
{
detach(qsizetype(args.size()));
for (const QCborValue &v : args)
append(v);
}
~QCborArray();
void swap(QCborArray &other) noexcept
{
d.swap(other.d);
}
QCborValue toCborValue() const { return *this; }
qsizetype size() const noexcept;
bool isEmpty() const { return size() == 0; }
void clear();
QCborValue at(qsizetype i) const;
QCborValue first() const { return at(0); }
QCborValue last() const { return at(size() - 1); }
const QCborValue operator[](qsizetype i) const { return at(i); }
QCborValueRef first() { Q_ASSERT(!isEmpty()); return begin()[0]; }
QCborValueRef last() { Q_ASSERT(!isEmpty()); return begin()[size() - 1]; }
QCborValueRef operator[](qsizetype i)
{
if (i >= size())
insert(i, QCborValue());
return begin()[i];
}
void insert(qsizetype i, const QCborValue &value);
void insert(qsizetype i, QCborValue &&value);
void prepend(const QCborValue &value) { insert(0, value); }
void prepend(QCborValue &&value) { insert(0, std::move(value)); }
void append(const QCborValue &value) { insert(-1, value); }
void append(QCborValue &&value) { insert(-1, std::move(value)); }
QCborValue extract(ConstIterator it) { return extract(Iterator{ it.item.d, it.item.i }); }
QCborValue extract(Iterator it);
void removeAt(qsizetype i);
QCborValue takeAt(qsizetype i) { Q_ASSERT(i < size()); return extract(begin() + i); }
void removeFirst() { removeAt(0); }
void removeLast() { removeAt(size() - 1); }
QCborValue takeFirst() { return takeAt(0); }
QCborValue takeLast() { return takeAt(size() - 1); }
bool contains(const QCborValue &value) const;
int compare(const QCborArray &other) const noexcept Q_DECL_PURE_FUNCTION;
#if 0 && __has_include(<compare>)
std::strong_ordering operator<=>(const QCborArray &other) const
{
int c = compare(other);
if (c > 0) return std::strong_ordering::greater;
if (c == 0) return std::strong_ordering::equivalent;
return std::strong_ordering::less;
}
#else
bool operator==(const QCborArray &other) const noexcept
{ return compare(other) == 0; }
bool operator!=(const QCborArray &other) const noexcept
{ return !(*this == other); }
bool operator<(const QCborArray &other) const
{ return compare(other) < 0; }
#endif
typedef Iterator iterator;
typedef ConstIterator const_iterator;
iterator begin() { detach(); return iterator{d.data(), 0}; }
const_iterator constBegin() const { return const_iterator{d.data(), 0}; }
const_iterator begin() const { return constBegin(); }
const_iterator cbegin() const { return constBegin(); }
iterator end() { detach(); return iterator{d.data(), size()}; }
const_iterator constEnd() const { return const_iterator{d.data(), size()}; }
const_iterator end() const { return constEnd(); }
const_iterator cend() const { return constEnd(); }
iterator insert(iterator before, const QCborValue &value)
{ insert(before.item.i, value); return iterator{d.data(), before.item.i}; }
iterator insert(const_iterator before, const QCborValue &value)
{ insert(before.item.i, value); return iterator{d.data(), before.item.i}; }
iterator erase(iterator it) { removeAt(it.item.i); return iterator{d.data(), it.item.i}; }
iterator erase(const_iterator it) { removeAt(it.item.i); return iterator{d.data(), it.item.i}; }
void push_back(const QCborValue &t) { append(t); }
void push_front(const QCborValue &t) { prepend(t); }
void pop_front() { removeFirst(); }
void pop_back() { removeLast(); }
bool empty() const { return isEmpty(); }
// convenience
QCborArray operator+(const QCborValue &v) const
{ QCborArray n = *this; n += v; return n; }
QCborArray &operator+=(const QCborValue &v)
{ append(v); return *this; }
QCborArray &operator<<(const QCborValue &v)
{ append(v); return *this; }
static QCborArray fromStringList(const QStringList &list);
static QCborArray fromVariantList(const QVariantList &list);
static QCborArray fromJsonArray(const QJsonArray &array);
static QCborArray fromJsonArray(QJsonArray &&array) noexcept;
QVariantList toVariantList() const;
QJsonArray toJsonArray() const;
private:
void detach(qsizetype reserve = 0);
friend QCborValue;
friend QCborValueRef;
friend class QJsonPrivate::Variant;
explicit QCborArray(QCborContainerPrivate &dd) noexcept;
QExplicitlySharedDataPointer<QCborContainerPrivate> d;
};
Q_DECLARE_SHARED(QCborArray)
inline QCborValue::QCborValue(QCborArray &&a)
: n(-1), container(a.d.take()), t(Array)
{
}
#if QT_VERSION < QT_VERSION_CHECK(7, 0, 0) && !defined(QT_BOOTSTRAPPED)
inline QCborArray QCborValueRef::toArray() const
{
return concrete().toArray();
}
inline QCborArray QCborValueRef::toArray(const QCborArray &a) const
{
return concrete().toArray(a);
}
#endif
inline QCborArray QCborValueConstRef::toArray() const
{
return concrete().toArray();
}
inline QCborArray QCborValueConstRef::toArray(const QCborArray &a) const
{
return concrete().toArray(a);
}
Q_CORE_EXPORT size_t qHash(const QCborArray &array, size_t seed = 0);
#if !defined(QT_NO_DEBUG_STREAM)
Q_CORE_EXPORT QDebug operator<<(QDebug, const QCborArray &a);
#endif
#ifndef QT_NO_DATASTREAM
#if QT_CONFIG(cborstreamwriter)
Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QCborArray &);
#endif
Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QCborArray &);
#endif
QT_END_NAMESPACE
#endif // QCBORARRAY_H