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Diffstat (limited to 'src/partition/jsondbobjecttypes_p.h')
| -rw-r--r-- | src/partition/jsondbobjecttypes_p.h | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/src/partition/jsondbobjecttypes_p.h b/src/partition/jsondbobjecttypes_p.h new file mode 100644 index 0000000..f2b42f5 --- /dev/null +++ b/src/partition/jsondbobjecttypes_p.h @@ -0,0 +1,180 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/ +** +** This file is part of the QtAddOn.JsonDb 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 JSONDB_OBJECTTYPES_P_H +#define JSONDB_OBJECTTYPES_P_H + +#include "jsondbpartitionglobal.h" +#include "jsondbstrings.h" + +#include "schema-validation/object.h" + +#include <QPair> + +#include <qjsonarray.h> +#include <qjsonobject.h> +#include <qjsonvalue.h> + +QT_BEGIN_NAMESPACE_JSONDB_PARTITION + +class JsonDbSchemaManager; + +/** + \internal + This is type definition for schema validation framework. It was + created because of planed change of data representation in jsondb + (Bson -> Qson -> QtJson). 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 QJsonObjectTypes { +public: + typedef QString Key; + + class Value; + class ValueList : protected QJsonArray + { + public: + inline ValueList(const QJsonArray &list); + + // interface + class const_iterator; + inline uint size() 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 &map); + 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 toBool(bool *ok) const; + inline void toNull(bool *ok) const; + inline Object toObject(bool *ok) 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_qsonTypeCache; + mutable Cache<int> m_intCache; + mutable Cache<double> m_doubleCache; + }; + + class Object : public QJsonObject + { + public: + inline Object(const QJsonObject &map); + + // interface + inline Object(); + inline Value property(const Key& name) const; + inline QList<Key> propertyNames() const; + }; + + class Service { + public: + inline Service(JsonDbSchemaManager *schemas); + inline QJsonObject error() const; + + // interface + inline void setError(const QString &message); + inline SchemaValidation::Schema<QJsonObjectTypes> loadSchema(const QString &schemaName); + + private: + JsonDbSchemaManager *m_schemas; + QJsonObject m_errorMap; + }; +}; + +QT_END_NAMESPACE_JSONDB_PARTITION + +#endif // JSONDB_OBJECTTYPES_P_H |