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QxFunction_2.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_2_H_
    00033 #define _QX_FUNCTION_2_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>
    00056 class QxFunction_2 : public IxFunction
    00057 {
    00058
    00059 public:
    00060
    00061    typedef boost::function<R (Owner *, P1, P2)> 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    QX_FUNCTION_CLASS_MEMBER_FCT(QxFunction_2);
    00065
    00066    virtual qx_bool isValidParams(const QString & params) const          { Q_UNUSED(params); return true; }
    00067    virtual qx_bool isValidParams(const type_any_params & params) const  { Q_UNUSED(params); return true; }
    00068
    00069 private:
    00070
    00071    template <class T, bool bReturnValue /* = false */>
    00072    struct QxInvokerFct
    00073    {
    00074       static inline qx_bool invoke(void * pOwner, const T & params, boost::any * ret, const QxFunction_2 * pThis)
    00075       {
    00076          QX_FUNCTION_INVOKE_START_WITH_OWNER();
    00077          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
    00078          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
    00079          try { pThis->m_fct(static_cast<Owner *>(pOwner), p1, p2); }
    00080          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
    00081       }
    00082    };
    00083
    00084    template <class T>
    00085    struct QxInvokerFct<T, true>
    00086    {
    00087       static inline qx_bool invoke(void * pOwner, const T & params, boost::any * ret, const QxFunction_2 * pThis)
    00088       {
    00089          QX_FUNCTION_INVOKE_START_WITH_OWNER();
    00090          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
    00091          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
    00092          try { R retTmp = pThis->m_fct(static_cast<Owner *>(pOwner), p1, p2); 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>
    00100 class QxFunction_2<void, R, P1, P2> : public IxFunction
    00101 {
    00102
    00103 public:
    00104
    00105    typedef boost::function<R (P1, P2)> 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    QX_FUNCTION_CLASS_FCT(QxFunction_2);
    00109
    00110    virtual qx_bool isValidParams(const QString & params) const          { Q_UNUSED(params); return true; }
    00111    virtual qx_bool isValidParams(const type_any_params & params) const  { Q_UNUSED(params); return true; }
    00112
    00113 private:
    00114
    00115    template <class T, bool bReturnValue /* = false */>
    00116    struct QxInvokerFct
    00117    {
    00118       static inline qx_bool invoke(const T & params, boost::any * ret, const QxFunction_2 * pThis)
    00119       {
    00120          QX_FUNCTION_INVOKE_START_WITHOUT_OWNER();
    00121          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
    00122          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
    00123          try { pThis->m_fct(p1, p2); }
    00124          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
    00125       }
    00126    };
    00127
    00128    template <class T>
    00129    struct QxInvokerFct<T, true>
    00130    {
    00131       static inline qx_bool invoke(const T & params, boost::any * ret, const QxFunction_2 * pThis)
    00132       {
    00133          QX_FUNCTION_INVOKE_START_WITHOUT_OWNER();
    00134          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
    00135          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
    00136          try { R retTmp = pThis->m_fct(p1, p2); 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>
    00146 IxFunction_ptr bind_fct_2(const typename QxFunction_2<Owner, R, P1, P2>::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_2<void, R, P1, P2>(fct));
    00151    return ptr;
    00152 }
    00153
    00154 template <class Owner, typename R, typename P1, typename P2>
    00155 IxFunction_ptr bind_member_fct_2(const typename QxFunction_2<Owner, R, P1, P2>::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_2<Owner, R, P1, P2>(fct));
    00160    return ptr;
    00161 }
    00162
    00163 } // namespace function
    00164 } // namespace qx
    00165
    00166 #endif // _QX_FUNCTION_2_H_