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QxOrm
1.4.3
C++ Object Relational Mapping library
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00001 /**************************************************************************** 00002 ** 00003 ** http://www.qxorm.com/ 00004 ** Copyright (C) 2013 Lionel Marty (contact@qxorm.com) 00005 ** 00006 ** This file is part of the QxOrm library 00007 ** 00008 ** This software is provided 'as-is', without any express or implied 00009 ** warranty. In no event will the authors be held liable for any 00010 ** damages arising from the use of this software 00011 ** 00012 ** Commercial Usage 00013 ** Licensees holding valid commercial QxOrm licenses may use this file in 00014 ** accordance with the commercial license agreement provided with the 00015 ** Software or, alternatively, in accordance with the terms contained in 00016 ** a written agreement between you and Lionel Marty 00017 ** 00018 ** GNU General Public License Usage 00019 ** Alternatively, this file may be used under the terms of the GNU 00020 ** General Public License version 3.0 as published by the Free Software 00021 ** Foundation and appearing in the file 'license.gpl3.txt' included in the 00022 ** packaging of this file. Please review the following information to 00023 ** ensure the GNU General Public License version 3.0 requirements will be 00024 ** met : http://www.gnu.org/copyleft/gpl.html 00025 ** 00026 ** If you are unsure which license is appropriate for your use, or 00027 ** if you have questions regarding the use of this file, please contact : 00028 ** contact@qxorm.com 00029 ** 00030 ****************************************************************************/ 00031 00032 #ifndef _QX_DATA_MEMBER_H_ 00033 #define _QX_DATA_MEMBER_H_ 00034 00035 #ifdef _MSC_VER 00036 #pragma once 00037 #endif 00038 00046 #ifdef _QX_ENABLE_BOOST_SERIALIZATION 00047 #include <boost/serialization/serialization.hpp> 00048 #include <boost/serialization/nvp.hpp> 00049 #endif // _QX_ENABLE_BOOST_SERIALIZATION 00050 00051 #include <boost/tuple/tuple.hpp> 00052 #include <boost/tuple/tuple_comparison.hpp> 00053 #include <boost/tuple/tuple_io.hpp> 00054 00055 #include <QxDataMember/IxDataMember.h> 00056 00057 #include <QxTraits/is_equal.h> 00058 00059 #define QX_DATA_MEMBER_IMPL_VIRTUAL_ARCHIVE(ArchiveInput, ArchiveOutput) \ 00060 virtual void toArchive(const void * pOwner, ArchiveOutput & ar) const { QxDataMember::toArchive(ar, getNamePtr(), getData(pOwner)); } \ 00061 virtual void fromArchive(void * pOwner, ArchiveInput & ar) { QxDataMember::fromArchive(ar, getNamePtr(), getData(pOwner)); } 00062 00063 namespace qx { 00064 00069 template <typename DataType, class Owner> 00070 class QxDataMember : public IxDataMember 00071 { 00072 00073 protected: 00074 00075 typedef DataType Owner::* type_data_member_ptr; 00076 00077 type_data_member_ptr m_pData; 00078 00079 public: 00080 00081 QxDataMember(type_data_member_ptr pData, const QString & sKey) : IxDataMember(sKey), m_pData(pData) { m_bAccessDataPointer = true; } 00082 QxDataMember(type_data_member_ptr pData, const QString & sKey, long lVersion, bool bSerialize, bool bDao) : IxDataMember(sKey, lVersion, bSerialize, bDao), m_pData(pData) { m_bAccessDataPointer = true; } 00083 virtual ~QxDataMember() { ; } 00084 00085 inline DataType * getData(void * pOwner) const { return (pOwner ? (& ((static_cast<Owner *>(pOwner))->*m_pData)) : NULL); } 00086 inline const DataType * getData(const void * pOwner) const { return (pOwner ? (& ((static_cast<const Owner *>(pOwner))->*m_pData)) : NULL); } 00087 00088 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); } 00089 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); } 00090 00091 #ifndef _QX_NO_JSON 00092 virtual QJsonValue toJson(const void * pOwner, const QString & sFormat) const { return qx::cvt::to_json((* getData(pOwner)), sFormat); } 00093 virtual qx_bool fromJson(void * pOwner, const QJsonValue & j, const QString & sFormat) { return qx::cvt::from_json(j, (* getData(pOwner)), sFormat); } 00094 #endif // _QX_NO_JSON 00095 00096 virtual bool isEqual(const void * pOwner1, const void * pOwner2) const 00097 { 00098 if ((pOwner1 == NULL) || (pOwner2 == NULL)) { return false; } 00099 if (pOwner1 == pOwner2) { return true; } 00100 return qxCompareDataMember<qx::trait::has_operator_equal_equal<DataType>::value, 0>::isEqual((* this), pOwner1, pOwner2); 00101 } 00102 00103 protected: 00104 00105 virtual boost::any getDataPtr(const void * pOwner) const { return boost::any(getData(pOwner)); } 00106 virtual boost::any getDataPtr(void * pOwner) { return boost::any(getData(pOwner)); } 00107 virtual void * getDataVoidPtr(const void * pOwner) const { return static_cast<void *>(const_cast<DataType *>(getData(pOwner))); } 00108 virtual void * getDataVoidPtr(void * pOwner) { return static_cast<void *>(getData(pOwner)); } 00109 00110 public: 00111 00112 #ifdef _QX_ENABLE_BOOST_SERIALIZATION 00113 00114 #if _QX_SERIALIZE_POLYMORPHIC 00115 QX_DATA_MEMBER_IMPL_VIRTUAL_ARCHIVE(boost::archive::polymorphic_iarchive, boost::archive::polymorphic_oarchive) 00116 #endif // _QX_SERIALIZE_POLYMORPHIC 00117 00118 #if _QX_SERIALIZE_BINARY 00119 QX_DATA_MEMBER_IMPL_VIRTUAL_ARCHIVE(boost::archive::binary_iarchive, boost::archive::binary_oarchive) 00120 #endif // _QX_SERIALIZE_BINARY 00121 00122 #if _QX_SERIALIZE_TEXT 00123 QX_DATA_MEMBER_IMPL_VIRTUAL_ARCHIVE(boost::archive::text_iarchive, boost::archive::text_oarchive) 00124 #endif // _QX_SERIALIZE_TEXT 00125 00126 #if _QX_SERIALIZE_XML 00127 QX_DATA_MEMBER_IMPL_VIRTUAL_ARCHIVE(boost::archive::xml_iarchive, boost::archive::xml_oarchive) 00128 #endif // _QX_SERIALIZE_XML 00129 00130 #if _QX_SERIALIZE_PORTABLE_BINARY 00131 QX_DATA_MEMBER_IMPL_VIRTUAL_ARCHIVE(eos::portable_iarchive, eos::portable_oarchive) 00132 #endif // _QX_SERIALIZE_PORTABLE_BINARY 00133 00134 #if _QX_SERIALIZE_WIDE_BINARY 00135 QX_DATA_MEMBER_IMPL_VIRTUAL_ARCHIVE(boost::archive::binary_wiarchive, boost::archive::binary_woarchive) 00136 #endif // _QX_SERIALIZE_WIDE_BINARY 00137 00138 #if _QX_SERIALIZE_WIDE_TEXT 00139 QX_DATA_MEMBER_IMPL_VIRTUAL_ARCHIVE(boost::archive::text_wiarchive, boost::archive::text_woarchive) 00140 #endif // _QX_SERIALIZE_WIDE_TEXT 00141 00142 #if _QX_SERIALIZE_WIDE_XML 00143 QX_DATA_MEMBER_IMPL_VIRTUAL_ARCHIVE(boost::archive::xml_wiarchive, boost::archive::xml_woarchive) 00144 #endif // _QX_SERIALIZE_WIDE_XML 00145 00146 #endif // _QX_ENABLE_BOOST_SERIALIZATION 00147 00148 private: 00149 00150 #ifdef _QX_ENABLE_BOOST_SERIALIZATION 00151 00152 template <class Archive> 00153 static inline void toArchive(Archive & ar, const char * sName, const DataType * pData) 00154 { ar << boost::serialization::make_nvp(sName, (* pData)); } 00155 00156 template <class Archive> 00157 static inline void fromArchive(Archive & ar, const char * sName, DataType * pData) 00158 { ar >> boost::serialization::make_nvp(sName, (* pData)); } 00159 00160 #endif // _QX_ENABLE_BOOST_SERIALIZATION 00161 00162 private: 00163 00164 template <bool bCanCompare /* = false */, int dummy> 00165 struct qxCompareDataMember 00166 { 00167 static inline bool isEqual(const QxDataMember<DataType, Owner> & dataMember, const void * pOwner1, const void * pOwner2) 00168 { return (dataMember.toVariant(pOwner1, "") == dataMember.toVariant(pOwner2, "")); } 00169 }; 00170 00171 template <int dummy> 00172 struct qxCompareDataMember<true, dummy> 00173 { 00174 static inline bool isEqual(const QxDataMember<DataType, Owner> & dataMember, const void * pOwner1, const void * pOwner2) 00175 { return ((* dataMember.getData(pOwner1)) == (* dataMember.getData(pOwner2))); } 00176 }; 00177 00178 }; 00179 00180 } // namespace qx 00181 00182 #include "../../inl/QxDataMember/QxDataMember.inl" 00183 00184 #endif // _QX_DATA_MEMBER_H_