QxOrm  1.4.5
C++ Object Relational Mapping library
QxFunction_3.h
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00001 /****************************************************************************
00002 **
00003 ** https://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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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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00026 ** If you are unsure which license is appropriate for your use, or
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00031 
00032 #ifndef _QX_FUNCTION_3_H_
00033 #define _QX_FUNCTION_3_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>
00056 class QxFunction_3 : public IxFunction
00057 {
00058 
00059 public:
00060 
00061    typedef std::function<R (Owner *, P1, P2, P3)> 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    QX_FUNCTION_CLASS_MEMBER_FCT(QxFunction_3);
00066 
00067    virtual int getParamCount() const                                    { return 3; }
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, qx::any * ret, const QxFunction_3 * 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          try { pThis->m_fct(static_cast<Owner *>(pOwner), p1, p2, p3); }
00083          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00084       }
00085    };
00086 
00087    template <class T>
00088    struct QxInvokerFct<T, true>
00089    {
00090       static inline qx_bool invoke(void * pOwner, const T & params, qx::any * ret, const QxFunction_3 * pThis)
00091       {
00092          QX_FUNCTION_INVOKE_START_WITH_OWNER();
00093          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00094          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
00095          QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
00096          try { R retTmp = pThis->m_fct(static_cast<Owner *>(pOwner), p1, p2, p3); if (ret) { (* ret) = qx::any(retTmp); } }
00097          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00098       }
00099    };
00100 
00101 };
00102 
00103 template <typename R, typename P1, typename P2, typename P3>
00104 class QxFunction_3<void, R, P1, P2, P3> : public IxFunction
00105 {
00106 
00107 public:
00108 
00109    typedef std::function<R (P1, P2, P3)> type_fct;
00110    typedef typename qx::trait::remove_attr<P1, false>::type type_P1;
00111    typedef typename qx::trait::remove_attr<P2, false>::type type_P2;
00112    typedef typename qx::trait::remove_attr<P3, false>::type type_P3;
00113    QX_FUNCTION_CLASS_FCT(QxFunction_3);
00114 
00115    virtual int getParamCount() const                                    { return 3; }
00116    virtual qx_bool isValidParams(const QString & params) const          { Q_UNUSED(params); return true; }
00117    virtual qx_bool isValidParams(const type_any_params & params) const  { Q_UNUSED(params); return true; }
00118 
00119 private:
00120 
00121    template <class T, bool bReturnValue /* = false */>
00122    struct QxInvokerFct
00123    {
00124       static inline qx_bool invoke(const T & params, qx::any * ret, const QxFunction_3 * pThis)
00125       {
00126          QX_FUNCTION_INVOKE_START_WITHOUT_OWNER();
00127          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00128          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
00129          QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
00130          try { pThis->m_fct(p1, p2, p3); }
00131          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00132       }
00133    };
00134 
00135    template <class T>
00136    struct QxInvokerFct<T, true>
00137    {
00138       static inline qx_bool invoke(const T & params, qx::any * ret, const QxFunction_3 * pThis)
00139       {
00140          QX_FUNCTION_INVOKE_START_WITHOUT_OWNER();
00141          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00142          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
00143          QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
00144          try { R retTmp = pThis->m_fct(p1, p2, p3); if (ret) { (* ret) = qx::any(retTmp); } }
00145          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00146       }
00147    };
00148 
00149 };
00150 
00151 namespace function {
00152 
00153 template <class Owner, typename R, typename P1, typename P2, typename P3>
00154 IxFunction_ptr bind_fct_3(const typename QxFunction_3<Owner, R, P1, P2, P3>::type_fct & fct)
00155 {
00156    typedef std::is_same<Owner, void> qx_verify_owner_tmp;
00157    static_assert(qx_verify_owner_tmp::value, "qx_verify_owner_tmp::value");
00158    IxFunction_ptr ptr; ptr.reset(new QxFunction_3<void, R, P1, P2, P3>(fct));
00159    return ptr;
00160 }
00161 
00162 template <class Owner, typename R, typename P1, typename P2, typename P3>
00163 IxFunction_ptr bind_member_fct_3(const typename QxFunction_3<Owner, R, P1, P2, P3>::type_fct & fct)
00164 {
00165    typedef std::is_same<Owner, void> qx_verify_owner_tmp;
00166    static_assert(! qx_verify_owner_tmp::value, "! qx_verify_owner_tmp::value");
00167    IxFunction_ptr ptr; ptr.reset(new QxFunction_3<Owner, R, P1, P2, P3>(fct));
00168    return ptr;
00169 }
00170 
00171 } // namespace function
00172 } // namespace qx
00173 
00174 #endif // _QX_FUNCTION_3_H_