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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtAddOn.JsonStream module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef JSONOBJECTTYPES_P_H
#define JSONOBJECTTYPES_P_H
#include "schemaobject_p.h"
#include <QPair>
#include <QJsonObject>
#include <QJsonArray>
#include "jsonschema-global.h"
QT_BEGIN_NAMESPACE_JSONSTREAM
class SchemaManagerBase;
/**
\internal
This is type definition for schema validation framework.
Essentially schema validation is independent from
data representation. The performance cost of this indirection is about 0. We can consider removing
it in future or leave it and check different data representation (think about QJSValue).
These types define the simplest types in JSON.
*/
class JsonObjectTypes {
public:
typedef QString Key;
class Value;
class ValueList : protected QJsonArray
{
public:
ValueList() {};
inline ValueList(const QJsonArray &list);
// interface
class const_iterator;
inline uint count() const;
inline const_iterator constBegin() const;
inline const_iterator constEnd() const;
class const_iterator
{
friend class ValueList;
public:
inline const_iterator();
inline Value operator *() const;
inline bool operator !=(const const_iterator &other) const;
inline const_iterator& operator ++();
private:
inline const_iterator(int begin, const QJsonArray *list);
inline bool isValid() const;
int m_index;
const QJsonArray *m_list;
};
};
class Object;
class Value
{
enum Type {List, Map, RootMap};
template<class T>
class Cache : protected QPair<bool, T>
{
public:
Cache()
: QPair<bool, T>(false, T())
{}
bool isValid() const { return QPair<bool, T>::first; }
T value() const { Q_ASSERT(isValid()); return QPair<bool, T>::second; }
void set(const bool ok, const T &value) { QPair<bool, T>::first = ok; QPair<bool, T>::second = value; }
};
public:
inline Value(Key propertyName, const QJsonObject &);
inline Value(const int index, const QJsonArray &list);
// interface
inline int toInt(bool *ok) const;
inline double toDouble(bool *ok) const;
inline ValueList toList(bool *ok) const;
inline QString toString(bool *ok) const;
inline bool toBoolean(bool *ok) const;
inline void toNull(bool *ok) const;
inline Object toObject(bool *ok) const;
inline bool compare(const Value &) const;
private:
inline const QJsonObject map() const;
inline const QJsonArray list() const;
inline QJsonValue::Type typeMap() const;
inline QJsonValue::Type typeList() const;
const int m_index;
const Key m_property;
const QJsonValue m_value;
const Type m_type;
mutable Cache<QJsonValue::Type> m_jsonTypeCache;
mutable Cache<int> m_intCache;
mutable Cache<double> m_doubleCache;
};
class Object : public QJsonObject
{
public:
inline Object(const QJsonObject &);
// interface
inline Object();
inline Value property(const Key& name) const;
inline QList<Key> propertyNames() const;
};
class Service {
public:
inline Service(SchemaManagerBase *schemas);
inline QJsonObject error() const;
// interface
inline void setError(const QString &message);
inline SchemaValidation::Schema<JsonObjectTypes> loadSchema(const QString &schemaName);
private:
SchemaManagerBase *m_schemas;
QJsonObject m_errorMap;
};
};
QT_END_NAMESPACE_JSONSTREAM
#endif // JSONOBJECTTYPES_P_H
|
