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QxOrm 1.1.8
C++ Object Relational Mapping library
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00001 /**************************************************************************** 00002 ** 00003 ** http://www.qxorm.com/ 00004 ** http://sourceforge.net/projects/qxorm/ 00005 ** Original file by Lionel Marty 00006 ** 00007 ** This file is part of the QxOrm library 00008 ** 00009 ** This software is provided 'as-is', without any express or implied 00010 ** warranty. In no event will the authors be held liable for any 00011 ** damages arising from the use of this software. 00012 ** 00013 ** GNU Lesser General Public License Usage 00014 ** This file must be used under the terms of the GNU Lesser 00015 ** General Public License version 2.1 as published by the Free Software 00016 ** Foundation and appearing in the file 'license.lgpl.txt' included in the 00017 ** packaging of this file. Please review the following information to 00018 ** ensure the GNU Lesser General Public License version 2.1 requirements 00019 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 00020 ** 00021 ** If you have questions regarding the use of this file, please contact : 00022 ** contact@qxorm.com 00023 ** 00024 ****************************************************************************/ 00025 00026 #ifndef _QX_CLONE_H_ 00027 #define _QX_CLONE_H_ 00028 00029 #ifdef _MSC_VER 00030 #pragma once 00031 #endif 00032 00040 #include <string> 00041 #include <iostream> 00042 #include <sstream> 00043 #include <exception> 00044 00045 #include <boost/archive/archive_exception.hpp> 00046 00047 #include <QxSerialize/boost/QxSerializeInclude.h> 00048 #include <QxSerialize/QxBoostSerializeHelper/QxBoostSerializeRegisterHelperX.h> 00049 #include <QxSerialize/QxSerializeInvoker.h> 00050 00051 #define QX_STR_CLONE_SERIALIZATION_ERROR "[QxOrm] qx::clone() serialization error : '%s'" 00052 #define QX_STR_CLONE_DESERIALIZATION_ERROR "[QxOrm] qx::clone() deserialization error : '%s'" 00053 00054 namespace qx { 00055 00060 template <class T> 00061 T * clone_to_nude_ptr(const T & obj) 00062 { 00063 QX_CLONE_STRING_STREAM ioss(std::ios_base::binary | std::ios_base::in | std::ios_base::out); 00064 QX_CLONE_BINARY_OUTPUT_ARCHIVE oar(ioss, boost::archive::no_header); 00065 QxBoostSerializeRegisterHelperX::helper(oar); 00066 bool bSerializeOk = false; 00067 00068 try { oar << obj; bSerializeOk = ioss.good(); } 00069 catch (const boost::archive::archive_exception & e) { qDebug(QX_STR_CLONE_SERIALIZATION_ERROR, e.what()); } 00070 catch (const std::exception & e) { qDebug(QX_STR_CLONE_SERIALIZATION_ERROR, e.what()); } 00071 catch (...) { qDebug(QX_STR_CLONE_SERIALIZATION_ERROR, "unknown error"); } 00072 if (! bSerializeOk) { qAssert(false); return NULL; } 00073 00074 T * pClone = new T(); 00075 QX_CLONE_BINARY_INPUT_ARCHIVE iar(ioss, boost::archive::no_header); 00076 QxBoostSerializeRegisterHelperX::helper(iar); 00077 bool bDeserializeOk = false; 00078 00079 try { iar >> (* pClone); bDeserializeOk = ioss.good(); } 00080 catch (const boost::archive::archive_exception & e) { qDebug(QX_STR_CLONE_DESERIALIZATION_ERROR, e.what()); } 00081 catch (const std::exception & e) { qDebug(QX_STR_CLONE_DESERIALIZATION_ERROR, e.what()); } 00082 catch (...) { qDebug(QX_STR_CLONE_DESERIALIZATION_ERROR, "unknown error"); } 00083 qAssert(bDeserializeOk); 00084 00085 return (bDeserializeOk ? pClone : NULL); 00086 } 00087 00092 template <class T> 00093 boost::shared_ptr<T> clone(const T & obj) 00094 { T * ptr = qx::clone_to_nude_ptr<T>(obj); return boost::shared_ptr<T>(ptr); } 00095 00100 template <class T> 00101 QSharedPointer<T> clone_to_qt_shared_ptr(const T & obj) 00102 { T * ptr = qx::clone_to_nude_ptr<T>(obj); return QSharedPointer<T>(ptr); } 00103 00104 } // namespace qx 00105 00106 #endif // _QX_CLONE_H_