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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QJSONDOCUMENT_H
#define QJSONDOCUMENT_H
#include <QtCore/qjsonvalue.h>
#include <QtCore/qscopedpointer.h>
#include <memory>
QT_BEGIN_NAMESPACE
class QDebug;
class QCborValue;
namespace QJsonPrivate { class Parser; }
struct Q_CORE_EXPORT QJsonParseError
{
enum ParseError {
NoError = 0,
UnterminatedObject,
MissingNameSeparator,
UnterminatedArray,
MissingValueSeparator,
IllegalValue,
TerminationByNumber,
IllegalNumber,
IllegalEscapeSequence,
IllegalUTF8String,
UnterminatedString,
MissingObject,
DeepNesting,
DocumentTooLarge,
GarbageAtEnd
};
QString errorString() const;
int offset = -1;
ParseError error = NoError;
};
class QJsonDocumentPrivate;
class Q_CORE_EXPORT QJsonDocument
{
public:
#ifdef Q_LITTLE_ENDIAN
static const uint BinaryFormatTag = ('q') | ('b' << 8) | ('j' << 16) | ('s' << 24);
#else
static const uint BinaryFormatTag = ('q' << 24) | ('b' << 16) | ('j' << 8) | ('s');
#endif
QJsonDocument();
explicit QJsonDocument(const QJsonObject &object);
explicit QJsonDocument(const QJsonArray &array);
~QJsonDocument();
QJsonDocument(const QJsonDocument &other);
QJsonDocument &operator =(const QJsonDocument &other);
QJsonDocument(QJsonDocument &&other) noexcept;
QJsonDocument &operator =(QJsonDocument &&other) noexcept
{
swap(other);
return *this;
}
void swap(QJsonDocument &other) noexcept;
static QJsonDocument fromVariant(const QVariant &variant);
QVariant toVariant() const;
enum JsonFormat {
Indented,
Compact
};
static QJsonDocument fromJson(const QByteArray &json, QJsonParseError *error = nullptr);
#if !defined(QT_JSON_READONLY) || defined(Q_CLANG_QDOC)
QByteArray toJson(JsonFormat format = Indented) const;
#endif
bool isEmpty() const;
bool isArray() const;
bool isObject() const;
QJsonObject object() const;
QJsonArray array() const;
void setObject(const QJsonObject &object);
void setArray(const QJsonArray &array);
#if QT_STRINGVIEW_LEVEL < 2
const QJsonValue operator[](const QString &key) const;
#endif
const QJsonValue operator[](QStringView key) const;
const QJsonValue operator[](QLatin1StringView key) const;
const QJsonValue operator[](qsizetype i) const;
bool operator==(const QJsonDocument &other) const;
bool operator!=(const QJsonDocument &other) const { return !(*this == other); }
bool isNull() const;
private:
friend class QJsonValue;
friend class QJsonPrivate::Parser;
friend Q_CORE_EXPORT QDebug operator<<(QDebug, const QJsonDocument &);
QJsonDocument(const QCborValue &data);
std::unique_ptr<QJsonDocumentPrivate> d;
};
Q_DECLARE_SHARED(QJsonDocument)
#if !defined(QT_NO_DEBUG_STREAM) && !defined(QT_JSON_READONLY)
Q_CORE_EXPORT QDebug operator<<(QDebug, const QJsonDocument &);
#endif
#ifndef QT_NO_DATASTREAM
Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QJsonDocument &);
Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QJsonDocument &);
#endif
QT_END_NAMESPACE
#endif // QJSONDOCUMENT_H
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