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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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