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QxOrm 1.1.6
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_FUNCTION_2_H_ 00027 #define _QX_FUNCTION_2_H_ 00028 00029 #ifdef _MSC_VER 00030 #pragma once 00031 #endif 00032 00040 #include <QxFunction/IxFunction.h> 00041 #include <QxFunction/QxParameters.h> 00042 00043 namespace qx { 00044 00049 template <class Owner, typename R, typename P1, typename P2> 00050 class QxFunction_2 : public IxFunction 00051 { 00052 00053 public: 00054 00055 typedef boost::function<R (Owner *, P1, P2)> type_fct; 00056 typedef typename qx::trait::remove_attr<P1, false>::type type_P1; 00057 typedef typename qx::trait::remove_attr<P2, false>::type type_P2; 00058 QX_FUNCTION_CLASS_MEMBER_FCT(QxFunction_2); 00059 00060 virtual qx_bool isValidParams(const QString & params) const { Q_UNUSED(params); return true; } 00061 virtual qx_bool isValidParams(const type_any_params & params) const { Q_UNUSED(params); return true; } 00062 00063 private: 00064 00065 template <class T, bool bReturnValue /* = false */> 00066 struct QxInvokerFct 00067 { 00068 static inline qx_bool invoke(void * pOwner, const T & params, boost::any * ret, const QxFunction_2 * pThis) 00069 { 00070 QX_FUNCTION_INVOKE_START_WITH_OWNER(); 00071 QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1); 00072 QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2); 00073 try { pThis->m_fct(static_cast<Owner *>(pOwner), p1, p2); } 00074 QX_FUNCTION_CATCH_AND_RETURN_INVOKE(); 00075 } 00076 }; 00077 00078 template <class T> 00079 struct QxInvokerFct<T, true> 00080 { 00081 static inline qx_bool invoke(void * pOwner, const T & params, boost::any * ret, const QxFunction_2 * pThis) 00082 { 00083 QX_FUNCTION_INVOKE_START_WITH_OWNER(); 00084 QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1); 00085 QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2); 00086 try { R retTmp = pThis->m_fct(static_cast<Owner *>(pOwner), p1, p2); if (ret) { (* ret) = boost::any(retTmp); } } 00087 QX_FUNCTION_CATCH_AND_RETURN_INVOKE(); 00088 } 00089 }; 00090 00091 }; 00092 00093 template <typename R, typename P1, typename P2> 00094 class QxFunction_2<void, R, P1, P2> : public IxFunction 00095 { 00096 00097 public: 00098 00099 typedef boost::function<R (P1, P2)> type_fct; 00100 typedef typename qx::trait::remove_attr<P1, false>::type type_P1; 00101 typedef typename qx::trait::remove_attr<P2, false>::type type_P2; 00102 QX_FUNCTION_CLASS_FCT(QxFunction_2); 00103 00104 virtual qx_bool isValidParams(const QString & params) const { Q_UNUSED(params); return true; } 00105 virtual qx_bool isValidParams(const type_any_params & params) const { Q_UNUSED(params); return true; } 00106 00107 private: 00108 00109 template <class T, bool bReturnValue /* = false */> 00110 struct QxInvokerFct 00111 { 00112 static inline qx_bool invoke(const T & params, boost::any * ret, const QxFunction_2 * pThis) 00113 { 00114 QX_FUNCTION_INVOKE_START_WITHOUT_OWNER(); 00115 QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1); 00116 QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2); 00117 try { pThis->m_fct(p1, p2); } 00118 QX_FUNCTION_CATCH_AND_RETURN_INVOKE(); 00119 } 00120 }; 00121 00122 template <class T> 00123 struct QxInvokerFct<T, true> 00124 { 00125 static inline qx_bool invoke(const T & params, boost::any * ret, const QxFunction_2 * pThis) 00126 { 00127 QX_FUNCTION_INVOKE_START_WITHOUT_OWNER(); 00128 QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1); 00129 QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2); 00130 try { R retTmp = pThis->m_fct(p1, p2); if (ret) { (* ret) = boost::any(retTmp); } } 00131 QX_FUNCTION_CATCH_AND_RETURN_INVOKE(); 00132 } 00133 }; 00134 00135 }; 00136 00137 namespace function { 00138 00139 template <class Owner, typename R, typename P1, typename P2> 00140 IxFunction_ptr bind_fct_2(const typename QxFunction_2<Owner, R, P1, P2>::type_fct & fct) 00141 { 00142 typedef boost::is_same<Owner, void> qx_verify_owner_tmp; 00143 BOOST_STATIC_ASSERT(qx_verify_owner_tmp::value); 00144 IxFunction_ptr ptr; ptr.reset(new QxFunction_2<void, R, P1, P2>(fct)); 00145 return ptr; 00146 } 00147 00148 template <class Owner, typename R, typename P1, typename P2> 00149 IxFunction_ptr bind_member_fct_2(const typename QxFunction_2<Owner, R, P1, P2>::type_fct & fct) 00150 { 00151 typedef boost::is_same<Owner, void> qx_verify_owner_tmp; 00152 BOOST_STATIC_ASSERT(! qx_verify_owner_tmp::value); 00153 IxFunction_ptr ptr; ptr.reset(new QxFunction_2<Owner, R, P1, P2>(fct)); 00154 return ptr; 00155 } 00156 00157 } // namespace function 00158 } // namespace qx 00159 00160 #endif // _QX_FUNCTION_2_H_