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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#ifndef QV4JSONOBJECT_H
#define QV4JSONOBJECT_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qv4object_p.h"
#include <qjsonarray.h>
#include <qjsonobject.h>
#include <qjsonvalue.h>
#include <qjsondocument.h>
#include <qhash.h>
QT_BEGIN_NAMESPACE
namespace QV4 {
namespace Heap {
struct JsonObject : Object {
void init();
};
}
struct ObjectItem {
const QV4::Object *o;
ObjectItem(const QV4::Object *o) : o(o) {}
};
inline bool operator ==(const ObjectItem &a, const ObjectItem &b)
{ return a.o->d() == b.o->d(); }
inline int qHash(const ObjectItem &i, uint seed = 0)
{ return ::qHash((void *)i.o->d(), seed); }
struct JsonObject : Object {
Q_MANAGED_TYPE(JsonObject)
V4_OBJECT2(JsonObject, Object)
private:
typedef QSet<ObjectItem> V4ObjectSet;
public:
static ReturnedValue method_parse(const FunctionObject *, const Value *thisObject, const Value *argv, int argc);
static ReturnedValue method_stringify(const FunctionObject *, const Value *thisObject, const Value *argv, int argc);
static ReturnedValue fromJsonValue(ExecutionEngine *engine, const QJsonValue &value);
static ReturnedValue fromJsonObject(ExecutionEngine *engine, const QJsonObject &object);
static ReturnedValue fromJsonArray(ExecutionEngine *engine, const QJsonArray &array);
static inline QJsonValue toJsonValue(const QV4::Value &value)
{ V4ObjectSet visitedObjects; return toJsonValue(value, visitedObjects); }
static inline QJsonObject toJsonObject(const QV4::Object *o)
{ V4ObjectSet visitedObjects; return toJsonObject(o, visitedObjects); }
static inline QJsonArray toJsonArray(const QV4::ArrayObject *a)
{ V4ObjectSet visitedObjects; return toJsonArray(a, visitedObjects); }
private:
static QJsonValue toJsonValue(const QV4::Value &value, V4ObjectSet &visitedObjects);
static QJsonObject toJsonObject(const Object *o, V4ObjectSet &visitedObjects);
static QJsonArray toJsonArray(const ArrayObject *a, V4ObjectSet &visitedObjects);
};
class JsonParser
{
public:
JsonParser(ExecutionEngine *engine, const QChar *json, int length);
ReturnedValue parse(QJsonParseError *error);
private:
inline bool eatSpace();
inline QChar nextToken();
ReturnedValue parseObject();
ReturnedValue parseArray();
bool parseMember(Object *o);
bool parseString(QString *string);
bool parseValue(Value *val);
bool parseNumber(Value *val);
ExecutionEngine *engine;
const QChar *head;
const QChar *json;
const QChar *end;
int nestingLevel;
QJsonParseError::ParseError lastError;
};
}
QT_END_NAMESPACE
#endif
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