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include/QxDataMember/QxDataMember.h
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include/QxDataMember/QxDataMember.h
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/****************************************************************************
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**
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** https://www.qxorm.com/
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** Copyright (C) 2013 XDL Team (ic-east.com)
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**
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** This file is part of the QxOrm library
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**
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** This software is provided 'as-is', without any express or implied
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** warranty. In no event will the authors be held liable for any
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** damages arising from the use of this software
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**
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** Commercial Usage
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** Licensees holding valid commercial QxOrm licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and XDL Team
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file 'license.gpl3.txt' included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met : http://www.gnu.org/copyleft/gpl.html
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**
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** If you are unsure which license is appropriate for your use, or
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** if you have questions regarding the use of this file, please contact :
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** ic-east.com
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**
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****************************************************************************/
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#ifndef _QX_DATA_MEMBER_H_
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#define _QX_DATA_MEMBER_H_
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#ifdef _MSC_VER
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#pragma once
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#endif
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/*!
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* \file QxDataMember.h
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* \author XDL Team
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* \ingroup QxDataMember
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* \brief Concrete class property registered into QxOrm context
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*/
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#ifdef _QX_ENABLE_BOOST_SERIALIZATION
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#include <boost/serialization/serialization.hpp>
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#include <boost/serialization/nvp.hpp>
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#endif // _QX_ENABLE_BOOST_SERIALIZATION
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#include <QxDataMember/IxDataMember.h>
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#include <QxTraits/is_equal.h>
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#include <QxTraits/get_class_name.h>
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#define QX_DATA_MEMBER_IMPL_VIRTUAL_ARCHIVE(ArchiveInput, ArchiveOutput) \
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virtual void toArchive(const void *pOwner, ArchiveOutput &ar) const { QxDataMember::toArchive(ar, getNamePtr(), getData(pOwner)); } \
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virtual void fromArchive(void *pOwner, ArchiveInput &ar) { QxDataMember::fromArchive(ar, getNamePtr(), getData(pOwner)); }
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namespace qx
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{
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/*!
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* \ingroup QxDataMember
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* \brief qx::QxDataMember<DataType, Owner> : concrete property of type DataType registered into QxOrm context for the class Owner
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*/
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template <typename DataType, class Owner>
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class QxDataMember : public IxDataMember
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{
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protected:
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typedef DataType Owner::*type_data_member_ptr;
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type_data_member_ptr m_pData; //!< Data member under format "& Owner::DataMember"
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IxDataMember *m_pImpl_; //!< If not NULL then this data member is owned by a private implementation idiom instance
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public:
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QxDataMember(type_data_member_ptr pData, const QString &sKey, long lVersion, bool bSerialize, bool bDao, IxDataMember *pImpl = NULL) : IxDataMember(sKey, lVersion, bSerialize, bDao, pImpl), m_pData(pData), m_pImpl_(pImpl) { this->setAccessDataPointer(true); }
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virtual ~QxDataMember() { ; }
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inline DataType *getData(void *pOwner) const
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{
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void *pOwner_ = (m_pImpl_ ? m_pImpl_->getDataVoidPtr(pOwner) : pOwner);
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return (pOwner_ ? (&((static_cast<Owner *>(pOwner_))->*m_pData)) : NULL);
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}
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inline const DataType *getData(const void *pOwner) const
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{
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const void *pOwner_ = (m_pImpl_ ? m_pImpl_->getDataVoidPtr(pOwner) : pOwner);
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return (pOwner_ ? (&((static_cast<const Owner *>(pOwner_))->*m_pData)) : NULL);
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}
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virtual QVariant toVariant(const void *pOwner, const QString &sFormat, int iIndexName = -1, qx::cvt::context::ctx_type ctx = qx::cvt::context::e_no_context) const { return qx::cvt::to_variant((*getData(pOwner)), sFormat, iIndexName, ctx); }
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virtual qx_bool fromVariant(void *pOwner, const QVariant &v, const QString &sFormat, int iIndexName = -1, qx::cvt::context::ctx_type ctx = qx::cvt::context::e_no_context) { return qx::cvt::from_variant(v, (*getData(pOwner)), sFormat, iIndexName, ctx); }
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virtual QString getType() const
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{
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QMutexLocker locker(&IxDataMember::m_mutex);
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return QString(qx::trait::get_class_name<DataType>::get());
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}
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#ifndef _QX_NO_JSON
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virtual QJsonValue toJson(const void *pOwner, const QString &sFormat) const { return qx::cvt::to_json((*getData(pOwner)), sFormat); }
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virtual qx_bool fromJson(void *pOwner, const QJsonValue &j, const QString &sFormat) { return qx::cvt::from_json(j, (*getData(pOwner)), sFormat); }
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#endif // _QX_NO_JSON
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virtual bool isEqual(const void *pOwner1, const void *pOwner2) const
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{
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if ((pOwner1 == NULL) || (pOwner2 == NULL))
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{
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return false;
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}
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if (pOwner1 == pOwner2)
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{
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return true;
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}
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return qxCompareDataMember<qx::trait::has_operator_equal_equal<DataType>::value, 0>::isEqual((*this), pOwner1, pOwner2);
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}
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protected:
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virtual qx::any getDataPtr(const void *pOwner) const { return qx::any(getData(pOwner)); }
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virtual qx::any getDataPtr(void *pOwner) { return qx::any(getData(pOwner)); }
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virtual void *getDataVoidPtr(const void *pOwner) const { return static_cast<void *>(const_cast<DataType *>(getData(pOwner))); }
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virtual void *getDataVoidPtr(void *pOwner) { return static_cast<void *>(getData(pOwner)); }
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public:
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#ifdef _QX_ENABLE_BOOST_SERIALIZATION
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#if _QX_SERIALIZE_POLYMORPHIC
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QX_DATA_MEMBER_IMPL_VIRTUAL_ARCHIVE(boost::archive::polymorphic_iarchive, boost::archive::polymorphic_oarchive)
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#endif // _QX_SERIALIZE_POLYMORPHIC
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#if _QX_SERIALIZE_BINARY
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QX_DATA_MEMBER_IMPL_VIRTUAL_ARCHIVE(boost::archive::binary_iarchive, boost::archive::binary_oarchive)
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#endif // _QX_SERIALIZE_BINARY
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#if _QX_SERIALIZE_TEXT
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QX_DATA_MEMBER_IMPL_VIRTUAL_ARCHIVE(boost::archive::text_iarchive, boost::archive::text_oarchive)
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#endif // _QX_SERIALIZE_TEXT
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#if _QX_SERIALIZE_XML
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QX_DATA_MEMBER_IMPL_VIRTUAL_ARCHIVE(boost::archive::xml_iarchive, boost::archive::xml_oarchive)
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#endif // _QX_SERIALIZE_XML
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#if _QX_SERIALIZE_PORTABLE_BINARY
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QX_DATA_MEMBER_IMPL_VIRTUAL_ARCHIVE(eos::portable_iarchive, eos::portable_oarchive)
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#endif // _QX_SERIALIZE_PORTABLE_BINARY
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#if _QX_SERIALIZE_WIDE_BINARY
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QX_DATA_MEMBER_IMPL_VIRTUAL_ARCHIVE(boost::archive::binary_wiarchive, boost::archive::binary_woarchive)
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#endif // _QX_SERIALIZE_WIDE_BINARY
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#if _QX_SERIALIZE_WIDE_TEXT
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QX_DATA_MEMBER_IMPL_VIRTUAL_ARCHIVE(boost::archive::text_wiarchive, boost::archive::text_woarchive)
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#endif // _QX_SERIALIZE_WIDE_TEXT
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#if _QX_SERIALIZE_WIDE_XML
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QX_DATA_MEMBER_IMPL_VIRTUAL_ARCHIVE(boost::archive::xml_wiarchive, boost::archive::xml_woarchive)
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#endif // _QX_SERIALIZE_WIDE_XML
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#endif // _QX_ENABLE_BOOST_SERIALIZATION
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private:
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#ifdef _QX_ENABLE_BOOST_SERIALIZATION
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template <class Archive>
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static inline void toArchive(Archive &ar, const char *sName, const DataType *pData)
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{
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ar << boost::serialization::make_nvp(sName, (*pData));
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}
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template <class Archive>
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static inline void fromArchive(Archive &ar, const char *sName, DataType *pData)
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{
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ar >> boost::serialization::make_nvp(sName, (*pData));
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}
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#endif // _QX_ENABLE_BOOST_SERIALIZATION
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private:
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template <bool bCanCompare /* = false */, int dummy>
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struct qxCompareDataMember
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{
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static inline bool isEqual(const QxDataMember<DataType, Owner> &dataMember, const void *pOwner1, const void *pOwner2)
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{
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return (dataMember.toVariant(pOwner1, "") == dataMember.toVariant(pOwner2, ""));
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}
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};
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template <int dummy>
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struct qxCompareDataMember<true, dummy>
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{
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static inline bool isEqual(const QxDataMember<DataType, Owner> &dataMember, const void *pOwner1, const void *pOwner2)
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{
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return ((*dataMember.getData(pOwner1)) == (*dataMember.getData(pOwner2)));
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}
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};
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};
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} // namespace qx
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#include "../../inl/QxDataMember/QxDataMember.inl"
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#endif // _QX_DATA_MEMBER_H_
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