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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 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_