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QxFunction_3.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_3_H_
    00027 #define _QX_FUNCTION_3_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>
    00050 class QxFunction_3 : public IxFunction
    00051 {
    00052
    00053 public:
    00054
    00055    typedef boost::function<R (Owner *, P1, P2, P3)> 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    QX_FUNCTION_CLASS_MEMBER_FCT(QxFunction_3);
    00060
    00061    virtual qx_bool isValidParams(const QString & params) const          { Q_UNUSED(params); return true; }
    00062    virtual qx_bool isValidParams(const type_any_params & params) const  { Q_UNUSED(params); return true; }
    00063
    00064 private:
    00065
    00066    template <class T, bool bReturnValue /* = false */>
    00067    struct QxInvokerFct
    00068    {
    00069       static inline qx_bool invoke(void * pOwner, const T & params, boost::any * ret, const QxFunction_3 * pThis)
    00070       {
    00071          QX_FUNCTION_INVOKE_START_WITH_OWNER();
    00072          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
    00073          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
    00074          QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
    00075          try { pThis->m_fct(static_cast<Owner *>(pOwner), p1, p2, p3); }
    00076          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
    00077       }
    00078    };
    00079
    00080    template <class T>
    00081    struct QxInvokerFct<T, true>
    00082    {
    00083       static inline qx_bool invoke(void * pOwner, const T & params, boost::any * ret, const QxFunction_3 * pThis)
    00084       {
    00085          QX_FUNCTION_INVOKE_START_WITH_OWNER();
    00086          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
    00087          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
    00088          QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
    00089          try { R retTmp = pThis->m_fct(static_cast<Owner *>(pOwner), p1, p2, p3); if (ret) { (* ret) = boost::any(retTmp); } }
    00090          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
    00091       }
    00092    };
    00093
    00094 };
    00095
    00096 template <typename R, typename P1, typename P2, typename P3>
    00097 class QxFunction_3<void, R, P1, P2, P3> : public IxFunction
    00098 {
    00099
    00100 public:
    00101
    00102    typedef boost::function<R (P1, P2, P3)> type_fct;
    00103    typedef typename qx::trait::remove_attr<P1, false>::type type_P1;
    00104    typedef typename qx::trait::remove_attr<P2, false>::type type_P2;
    00105    typedef typename qx::trait::remove_attr<P3, false>::type type_P3;
    00106    QX_FUNCTION_CLASS_FCT(QxFunction_3);
    00107
    00108    virtual qx_bool isValidParams(const QString & params) const          { Q_UNUSED(params); return true; }
    00109    virtual qx_bool isValidParams(const type_any_params & params) const  { Q_UNUSED(params); return true; }
    00110
    00111 private:
    00112
    00113    template <class T, bool bReturnValue /* = false */>
    00114    struct QxInvokerFct
    00115    {
    00116       static inline qx_bool invoke(const T & params, boost::any * ret, const QxFunction_3 * pThis)
    00117       {
    00118          QX_FUNCTION_INVOKE_START_WITHOUT_OWNER();
    00119          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
    00120          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
    00121          QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
    00122          try { pThis->m_fct(p1, p2, p3); }
    00123          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
    00124       }
    00125    };
    00126
    00127    template <class T>
    00128    struct QxInvokerFct<T, true>
    00129    {
    00130       static inline qx_bool invoke(const T & params, boost::any * ret, const QxFunction_3 * pThis)
    00131       {
    00132          QX_FUNCTION_INVOKE_START_WITHOUT_OWNER();
    00133          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
    00134          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
    00135          QX_FUNCTION_FETCH_PARAM(type_P3, p3, get_param_3);
    00136          try { R retTmp = pThis->m_fct(p1, p2, p3); if (ret) { (* ret) = boost::any(retTmp); } }
    00137          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
    00138       }
    00139    };
    00140
    00141 };
    00142
    00143 namespace function {
    00144
    00145 template <class Owner, typename R, typename P1, typename P2, typename P3>
    00146 IxFunction_ptr bind_fct_3(const typename QxFunction_3<Owner, R, P1, P2, P3>::type_fct & fct)
    00147 {
    00148    typedef boost::is_same<Owner, void> qx_verify_owner_tmp;
    00149    BOOST_STATIC_ASSERT(qx_verify_owner_tmp::value);
    00150    IxFunction_ptr ptr; ptr.reset(new QxFunction_3<void, R, P1, P2, P3>(fct));
    00151    return ptr;
    00152 }
    00153
    00154 template <class Owner, typename R, typename P1, typename P2, typename P3>
    00155 IxFunction_ptr bind_member_fct_3(const typename QxFunction_3<Owner, R, P1, P2, P3>::type_fct & fct)
    00156 {
    00157    typedef boost::is_same<Owner, void> qx_verify_owner_tmp;
    00158    BOOST_STATIC_ASSERT(! qx_verify_owner_tmp::value);
    00159    IxFunction_ptr ptr; ptr.reset(new QxFunction_3<Owner, R, P1, P2, P3>(fct));
    00160    return ptr;
    00161 }
    00162
    00163 } // namespace function
    00164 } // namespace qx
    00165
    00166 #endif // _QX_FUNCTION_3_H_