QxOrm 1.1.9
C++ Object Relational Mapping library
QxFunction_4.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_4_H_
00027 #define _QX_FUNCTION_4_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, typename P4>
00050 class QxFunction_4 : public IxFunction
00051 {
00052 
00053 public:
00054 
00055    typedef boost::function<R (Owner *, P1, P2, P3, P4)> 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    typedef typename qx::trait::remove_attr<P4, false>::type type_P4;
00060    QX_FUNCTION_CLASS_MEMBER_FCT(QxFunction_4);
00061 
00062    virtual qx_bool isValidParams(const QString & params) const          { Q_UNUSED(params); return true; }
00063    virtual qx_bool isValidParams(const type_any_params & params) const  { Q_UNUSED(params); return true; }
00064 
00065 private:
00066 
00067    template <class T, bool bReturnValue /* = false */>
00068    struct QxInvokerFct
00069    {
00070       static inline qx_bool invoke(void * pOwner, const T & params, boost::any * ret, const QxFunction_4 * pThis)
00071       {
00072          QX_FUNCTION_INVOKE_START_WITH_OWNER();
00073          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00074          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
00075          QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
00076          QX_FUNCTION_FETCH_PARAM(type_P4, p4, get_param_4);
00077          try { pThis->m_fct(static_cast<Owner *>(pOwner), p1, p2, p3, p4); }
00078          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00079       }
00080    };
00081 
00082    template <class T>
00083    struct QxInvokerFct<T, true>
00084    {
00085       static inline qx_bool invoke(void * pOwner, const T & params, boost::any * ret, const QxFunction_4 * pThis)
00086       {
00087          QX_FUNCTION_INVOKE_START_WITH_OWNER();
00088          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00089          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
00090          QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
00091          QX_FUNCTION_FETCH_PARAM(type_P4, p4, get_param_4);
00092          try { R retTmp = pThis->m_fct(static_cast<Owner *>(pOwner), p1, p2, p3, p4); if (ret) { (* ret) = boost::any(retTmp); } }
00093          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00094       }
00095    };
00096 
00097 };
00098 
00099 template <typename R, typename P1, typename P2, typename P3, typename P4>
00100 class QxFunction_4<void, R, P1, P2, P3, P4> : public IxFunction
00101 {
00102 
00103 public:
00104 
00105    typedef boost::function<R (P1, P2, P3, P4)> type_fct;
00106    typedef typename qx::trait::remove_attr<P1, false>::type type_P1;
00107    typedef typename qx::trait::remove_attr<P2, false>::type type_P2;
00108    typedef typename qx::trait::remove_attr<P3, false>::type type_P3;
00109    typedef typename qx::trait::remove_attr<P4, false>::type type_P4;
00110    QX_FUNCTION_CLASS_FCT(QxFunction_4);
00111 
00112    virtual qx_bool isValidParams(const QString & params) const          { Q_UNUSED(params); return true; }
00113    virtual qx_bool isValidParams(const type_any_params & params) const  { Q_UNUSED(params); return true; }
00114 
00115 private:
00116 
00117    template <class T, bool bReturnValue /* = false */>
00118    struct QxInvokerFct
00119    {
00120       static inline qx_bool invoke(const T & params, boost::any * ret, const QxFunction_4 * pThis)
00121       {
00122          QX_FUNCTION_INVOKE_START_WITHOUT_OWNER();
00123          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00124          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
00125          QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
00126          QX_FUNCTION_FETCH_PARAM(type_P4, p4, get_param_4);
00127          try { pThis->m_fct(p1, p2, p3, p4); }
00128          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00129       }
00130    };
00131 
00132    template <class T>
00133    struct QxInvokerFct<T, true>
00134    {
00135       static inline qx_bool invoke(const T & params, boost::any * ret, const QxFunction_4 * pThis)
00136       {
00137          QX_FUNCTION_INVOKE_START_WITHOUT_OWNER();
00138          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00139          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
00140          QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
00141          QX_FUNCTION_FETCH_PARAM(type_P4, p4, get_param_4);
00142          try { R retTmp = pThis->m_fct(p1, p2, p3, p4); if (ret) { (* ret) = boost::any(retTmp); } }
00143          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00144       }
00145    };
00146 
00147 };
00148 
00149 namespace function {
00150 
00151 template <class Owner, typename R, typename P1, typename P2, typename P3, typename P4>
00152 IxFunction_ptr bind_fct_4(const typename QxFunction_4<Owner, R, P1, P2, P3, P4>::type_fct & fct)
00153 {
00154    typedef boost::is_same<Owner, void> qx_verify_owner_tmp;
00155    BOOST_STATIC_ASSERT(qx_verify_owner_tmp::value);
00156    IxFunction_ptr ptr; ptr.reset(new QxFunction_4<void, R, P1, P2, P3, P4>(fct));
00157    return ptr;
00158 }
00159 
00160 template <class Owner, typename R, typename P1, typename P2, typename P3, typename P4>
00161 IxFunction_ptr bind_member_fct_4(const typename QxFunction_4<Owner, R, P1, P2, P3, P4>::type_fct & fct)
00162 {
00163    typedef boost::is_same<Owner, void> qx_verify_owner_tmp;
00164    BOOST_STATIC_ASSERT(! qx_verify_owner_tmp::value);
00165    IxFunction_ptr ptr; ptr.reset(new QxFunction_4<Owner, R, P1, P2, P3, P4>(fct));
00166    return ptr;
00167 }
00168 
00169 } // namespace function
00170 } // namespace qx
00171 
00172 #endif // _QX_FUNCTION_4_H_
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