QxOrm 1.1.9
C++ Object Relational Mapping library
QxFunction_3.h
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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_3_H_
00027 #define _QX_FUNCTION_3_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, typename P3>
00050 class QxFunction_3 : public IxFunction
00051 {
00052 
00053 public:
00054 
00055    typedef boost::function<R (Owner *, P1, P2, P3)> 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    typedef typename qx::trait::remove_attr<P3, false>::type type_P3;
00059    QX_FUNCTION_CLASS_MEMBER_FCT(QxFunction_3);
00060 
00061    virtual qx_bool isValidParams(const QString & params) const          { Q_UNUSED(params); return true; }
00062    virtual qx_bool isValidParams(const type_any_params & params) const  { Q_UNUSED(params); return true; }
00063 
00064 private:
00065 
00066    template <class T, bool bReturnValue /* = false */>
00067    struct QxInvokerFct
00068    {
00069       static inline qx_bool invoke(void * pOwner, const T & params, boost::any * ret, const QxFunction_3 * pThis)
00070       {
00071          QX_FUNCTION_INVOKE_START_WITH_OWNER();
00072          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00073          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
00074          QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
00075          try { pThis->m_fct(static_cast<Owner *>(pOwner), p1, p2, p3); }
00076          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00077       }
00078    };
00079 
00080    template <class T>
00081    struct QxInvokerFct<T, true>
00082    {
00083       static inline qx_bool invoke(void * pOwner, const T & params, boost::any * ret, const QxFunction_3 * pThis)
00084       {
00085          QX_FUNCTION_INVOKE_START_WITH_OWNER();
00086          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00087          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
00088          QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
00089          try { R retTmp = pThis->m_fct(static_cast<Owner *>(pOwner), p1, p2, p3); if (ret) { (* ret) = boost::any(retTmp); } }
00090          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00091       }
00092    };
00093 
00094 };
00095 
00096 template <typename R, typename P1, typename P2, typename P3>
00097 class QxFunction_3<void, R, P1, P2, P3> : public IxFunction
00098 {
00099 
00100 public:
00101 
00102    typedef boost::function<R (P1, P2, P3)> type_fct;
00103    typedef typename qx::trait::remove_attr<P1, false>::type type_P1;
00104    typedef typename qx::trait::remove_attr<P2, false>::type type_P2;
00105    typedef typename qx::trait::remove_attr<P3, false>::type type_P3;
00106    QX_FUNCTION_CLASS_FCT(QxFunction_3);
00107 
00108    virtual qx_bool isValidParams(const QString & params) const          { Q_UNUSED(params); return true; }
00109    virtual qx_bool isValidParams(const type_any_params & params) const  { Q_UNUSED(params); return true; }
00110 
00111 private:
00112 
00113    template <class T, bool bReturnValue /* = false */>
00114    struct QxInvokerFct
00115    {
00116       static inline qx_bool invoke(const T & params, boost::any * ret, const QxFunction_3 * pThis)
00117       {
00118          QX_FUNCTION_INVOKE_START_WITHOUT_OWNER();
00119          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00120          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
00121          QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
00122          try { pThis->m_fct(p1, p2, p3); }
00123          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00124       }
00125    };
00126 
00127    template <class T>
00128    struct QxInvokerFct<T, true>
00129    {
00130       static inline qx_bool invoke(const T & params, boost::any * ret, const QxFunction_3 * pThis)
00131       {
00132          QX_FUNCTION_INVOKE_START_WITHOUT_OWNER();
00133          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00134          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
00135          QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
00136          try { R retTmp = pThis->m_fct(p1, p2, p3); if (ret) { (* ret) = boost::any(retTmp); } }
00137          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00138       }
00139    };
00140 
00141 };
00142 
00143 namespace function {
00144 
00145 template <class Owner, typename R, typename P1, typename P2, typename P3>
00146 IxFunction_ptr bind_fct_3(const typename QxFunction_3<Owner, R, P1, P2, P3>::type_fct & fct)
00147 {
00148    typedef boost::is_same<Owner, void> qx_verify_owner_tmp;
00149    BOOST_STATIC_ASSERT(qx_verify_owner_tmp::value);
00150    IxFunction_ptr ptr; ptr.reset(new QxFunction_3<void, R, P1, P2, P3>(fct));
00151    return ptr;
00152 }
00153 
00154 template <class Owner, typename R, typename P1, typename P2, typename P3>
00155 IxFunction_ptr bind_member_fct_3(const typename QxFunction_3<Owner, R, P1, P2, P3>::type_fct & fct)
00156 {
00157    typedef boost::is_same<Owner, void> qx_verify_owner_tmp;
00158    BOOST_STATIC_ASSERT(! qx_verify_owner_tmp::value);
00159    IxFunction_ptr ptr; ptr.reset(new QxFunction_3<Owner, R, P1, P2, P3>(fct));
00160    return ptr;
00161 }
00162 
00163 } // namespace function
00164 } // namespace qx
00165 
00166 #endif // _QX_FUNCTION_3_H_
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