QxOrm  1.2.8
C++ Object Relational Mapping library
QxFunction_4.h
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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
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00011 **
00012 ** Commercial Usage
00013 ** Licensees holding valid commercial QxOrm licenses may use this file in
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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
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00021 ** Foundation and appearing in the file 'license.gpl3.txt' included in the
00022 ** packaging of this file. Please review the following information to
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00026 ** If you are unsure which license is appropriate for your use, or
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00031 
00032 #ifndef _QX_FUNCTION_4_H_
00033 #define _QX_FUNCTION_4_H_
00034 
00035 #ifdef _MSC_VER
00036 #pragma once
00037 #endif
00038 
00046 #include <QxFunction/IxFunction.h>
00047 #include <QxFunction/QxParameters.h>
00048 
00049 namespace qx {
00050 
00055 template <class Owner, typename R, typename P1, typename P2, typename P3, typename P4>
00056 class QxFunction_4 : public IxFunction
00057 {
00058 
00059 public:
00060 
00061    typedef boost::function<R (Owner *, P1, P2, P3, P4)> type_fct;
00062    typedef typename qx::trait::remove_attr<P1, false>::type type_P1;
00063    typedef typename qx::trait::remove_attr<P2, false>::type type_P2;
00064    typedef typename qx::trait::remove_attr<P3, false>::type type_P3;
00065    typedef typename qx::trait::remove_attr<P4, false>::type type_P4;
00066    QX_FUNCTION_CLASS_MEMBER_FCT(QxFunction_4);
00067 
00068    virtual qx_bool isValidParams(const QString & params) const          { Q_UNUSED(params); return true; }
00069    virtual qx_bool isValidParams(const type_any_params & params) const  { Q_UNUSED(params); return true; }
00070 
00071 private:
00072 
00073    template <class T, bool bReturnValue /* = false */>
00074    struct QxInvokerFct
00075    {
00076       static inline qx_bool invoke(void * pOwner, const T & params, boost::any * ret, const QxFunction_4 * pThis)
00077       {
00078          QX_FUNCTION_INVOKE_START_WITH_OWNER();
00079          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00080          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
00081          QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
00082          QX_FUNCTION_FETCH_PARAM(type_P4, p4, get_param_4);
00083          try { pThis->m_fct(static_cast<Owner *>(pOwner), p1, p2, p3, p4); }
00084          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00085       }
00086    };
00087 
00088    template <class T>
00089    struct QxInvokerFct<T, true>
00090    {
00091       static inline qx_bool invoke(void * pOwner, const T & params, boost::any * ret, const QxFunction_4 * pThis)
00092       {
00093          QX_FUNCTION_INVOKE_START_WITH_OWNER();
00094          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00095          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
00096          QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
00097          QX_FUNCTION_FETCH_PARAM(type_P4, p4, get_param_4);
00098          try { R retTmp = pThis->m_fct(static_cast<Owner *>(pOwner), p1, p2, p3, p4); if (ret) { (* ret) = boost::any(retTmp); } }
00099          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00100       }
00101    };
00102 
00103 };
00104 
00105 template <typename R, typename P1, typename P2, typename P3, typename P4>
00106 class QxFunction_4<void, R, P1, P2, P3, P4> : public IxFunction
00107 {
00108 
00109 public:
00110 
00111    typedef boost::function<R (P1, P2, P3, P4)> type_fct;
00112    typedef typename qx::trait::remove_attr<P1, false>::type type_P1;
00113    typedef typename qx::trait::remove_attr<P2, false>::type type_P2;
00114    typedef typename qx::trait::remove_attr<P3, false>::type type_P3;
00115    typedef typename qx::trait::remove_attr<P4, false>::type type_P4;
00116    QX_FUNCTION_CLASS_FCT(QxFunction_4);
00117 
00118    virtual qx_bool isValidParams(const QString & params) const          { Q_UNUSED(params); return true; }
00119    virtual qx_bool isValidParams(const type_any_params & params) const  { Q_UNUSED(params); return true; }
00120 
00121 private:
00122 
00123    template <class T, bool bReturnValue /* = false */>
00124    struct QxInvokerFct
00125    {
00126       static inline qx_bool invoke(const T & params, boost::any * ret, const QxFunction_4 * pThis)
00127       {
00128          QX_FUNCTION_INVOKE_START_WITHOUT_OWNER();
00129          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00130          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
00131          QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
00132          QX_FUNCTION_FETCH_PARAM(type_P4, p4, get_param_4);
00133          try { pThis->m_fct(p1, p2, p3, p4); }
00134          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00135       }
00136    };
00137 
00138    template <class T>
00139    struct QxInvokerFct<T, true>
00140    {
00141       static inline qx_bool invoke(const T & params, boost::any * ret, const QxFunction_4 * pThis)
00142       {
00143          QX_FUNCTION_INVOKE_START_WITHOUT_OWNER();
00144          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00145          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
00146          QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
00147          QX_FUNCTION_FETCH_PARAM(type_P4, p4, get_param_4);
00148          try { R retTmp = pThis->m_fct(p1, p2, p3, p4); if (ret) { (* ret) = boost::any(retTmp); } }
00149          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00150       }
00151    };
00152 
00153 };
00154 
00155 namespace function {
00156 
00157 template <class Owner, typename R, typename P1, typename P2, typename P3, typename P4>
00158 IxFunction_ptr bind_fct_4(const typename QxFunction_4<Owner, R, P1, P2, P3, P4>::type_fct & fct)
00159 {
00160    typedef boost::is_same<Owner, void> qx_verify_owner_tmp;
00161    BOOST_STATIC_ASSERT(qx_verify_owner_tmp::value);
00162    IxFunction_ptr ptr; ptr.reset(new QxFunction_4<void, R, P1, P2, P3, P4>(fct));
00163    return ptr;
00164 }
00165 
00166 template <class Owner, typename R, typename P1, typename P2, typename P3, typename P4>
00167 IxFunction_ptr bind_member_fct_4(const typename QxFunction_4<Owner, R, P1, P2, P3, P4>::type_fct & fct)
00168 {
00169    typedef boost::is_same<Owner, void> qx_verify_owner_tmp;
00170    BOOST_STATIC_ASSERT(! qx_verify_owner_tmp::value);
00171    IxFunction_ptr ptr; ptr.reset(new QxFunction_4<Owner, R, P1, P2, P3, P4>(fct));
00172    return ptr;
00173 }
00174 
00175 } // namespace function
00176 } // namespace qx
00177 
00178 #endif // _QX_FUNCTION_4_H_