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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
    00010 ** damages arising from the use of this software
    00011 **
    00012 ** Commercial Usage
    00013 ** Licensees holding valid commercial QxOrm licenses may use this file in
    00014 ** accordance with the commercial license agreement provided with the
    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
    00020 ** General Public License version 3.0 as published by the Free Software
    00021 ** Foundation and appearing in the file 'license.gpl3.txt' included in the
    00022 ** packaging of this file. Please review the following information to
    00023 ** ensure the GNU General Public License version 3.0 requirements will be
    00024 ** met : http://www.gnu.org/copyleft/gpl.html
    00025 **
    00026 ** If you are unsure which license is appropriate for your use, or
    00027 ** if you have questions regarding the use of this file, please contact :
    00028 ** contact@qxorm.com
    00029 **
    00030 ****************************************************************************/
    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 int getParamCount() const                                    { return 4; }
    00069    virtual qx_bool isValidParams(const QString & params) const          { Q_UNUSED(params); return true; }
    00070    virtual qx_bool isValidParams(const type_any_params & params) const  { Q_UNUSED(params); return true; }
    00071
    00072 private:
    00073
    00074    template <class T, bool bReturnValue /* = false */>
    00075    struct QxInvokerFct
    00076    {
    00077       static inline qx_bool invoke(void * pOwner, const T & params, boost::any * ret, const QxFunction_4 * pThis)
    00078       {
    00079          QX_FUNCTION_INVOKE_START_WITH_OWNER();
    00080          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
    00081          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
    00082          QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
    00083          QX_FUNCTION_FETCH_PARAM(type_P4, p4, get_param_4);
    00084          try { pThis->m_fct(static_cast<Owner *>(pOwner), p1, p2, p3, p4); }
    00085          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
    00086       }
    00087    };
    00088
    00089    template <class T>
    00090    struct QxInvokerFct<T, true>
    00091    {
    00092       static inline qx_bool invoke(void * pOwner, const T & params, boost::any * ret, const QxFunction_4 * pThis)
    00093       {
    00094          QX_FUNCTION_INVOKE_START_WITH_OWNER();
    00095          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
    00096          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
    00097          QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
    00098          QX_FUNCTION_FETCH_PARAM(type_P4, p4, get_param_4);
    00099          try { R retTmp = pThis->m_fct(static_cast<Owner *>(pOwner), p1, p2, p3, p4); if (ret) { (* ret) = boost::any(retTmp); } }
    00100          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
    00101       }
    00102    };
    00103
    00104 };
    00105
    00106 template <typename R, typename P1, typename P2, typename P3, typename P4>
    00107 class QxFunction_4<void, R, P1, P2, P3, P4> : public IxFunction
    00108 {
    00109
    00110 public:
    00111
    00112    typedef boost::function<R (P1, P2, P3, P4)> type_fct;
    00113    typedef typename qx::trait::remove_attr<P1, false>::type type_P1;
    00114    typedef typename qx::trait::remove_attr<P2, false>::type type_P2;
    00115    typedef typename qx::trait::remove_attr<P3, false>::type type_P3;
    00116    typedef typename qx::trait::remove_attr<P4, false>::type type_P4;
    00117    QX_FUNCTION_CLASS_FCT(QxFunction_4);
    00118
    00119    virtual int getParamCount() const                                    { return 4; }
    00120    virtual qx_bool isValidParams(const QString & params) const          { Q_UNUSED(params); return true; }
    00121    virtual qx_bool isValidParams(const type_any_params & params) const  { Q_UNUSED(params); return true; }
    00122
    00123 private:
    00124
    00125    template <class T, bool bReturnValue /* = false */>
    00126    struct QxInvokerFct
    00127    {
    00128       static inline qx_bool invoke(const T & params, boost::any * ret, const QxFunction_4 * pThis)
    00129       {
    00130          QX_FUNCTION_INVOKE_START_WITHOUT_OWNER();
    00131          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
    00132          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
    00133          QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
    00134          QX_FUNCTION_FETCH_PARAM(type_P4, p4, get_param_4);
    00135          try { pThis->m_fct(p1, p2, p3, p4); }
    00136          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
    00137       }
    00138    };
    00139
    00140    template <class T>
    00141    struct QxInvokerFct<T, true>
    00142    {
    00143       static inline qx_bool invoke(const T & params, boost::any * ret, const QxFunction_4 * pThis)
    00144       {
    00145          QX_FUNCTION_INVOKE_START_WITHOUT_OWNER();
    00146          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
    00147          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
    00148          QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
    00149          QX_FUNCTION_FETCH_PARAM(type_P4, p4, get_param_4);
    00150          try { R retTmp = pThis->m_fct(p1, p2, p3, p4); if (ret) { (* ret) = boost::any(retTmp); } }
    00151          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
    00152       }
    00153    };
    00154
    00155 };
    00156
    00157 namespace function {
    00158
    00159 template <class Owner, typename R, typename P1, typename P2, typename P3, typename P4>
    00160 IxFunction_ptr bind_fct_4(const typename QxFunction_4<Owner, R, P1, P2, P3, P4>::type_fct & fct)
    00161 {
    00162    typedef boost::is_same<Owner, void> qx_verify_owner_tmp;
    00163    BOOST_STATIC_ASSERT(qx_verify_owner_tmp::value);
    00164    IxFunction_ptr ptr; ptr.reset(new QxFunction_4<void, R, P1, P2, P3, P4>(fct));
    00165    return ptr;
    00166 }
    00167
    00168 template <class Owner, typename R, typename P1, typename P2, typename P3, typename P4>
    00169 IxFunction_ptr bind_member_fct_4(const typename QxFunction_4<Owner, R, P1, P2, P3, P4>::type_fct & fct)
    00170 {
    00171    typedef boost::is_same<Owner, void> qx_verify_owner_tmp;
    00172    BOOST_STATIC_ASSERT(! qx_verify_owner_tmp::value);
    00173    IxFunction_ptr ptr; ptr.reset(new QxFunction_4<Owner, R, P1, P2, P3, P4>(fct));
    00174    return ptr;
    00175 }
    00176
    00177 } // namespace function
    00178 } // namespace qx
    00179
    00180 #endif // _QX_FUNCTION_4_H_