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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 int getParamCount() const                                    { return 2; }
    00067    virtual qx_bool isValidParams(const QString & params) const          { Q_UNUSED(params); return true; }
    00068    virtual qx_bool isValidParams(const type_any_params & params) const  { Q_UNUSED(params); return true; }
    00069
    00070 private:
    00071
    00072    template <class T, bool bReturnValue /* = false */>
    00073    struct QxInvokerFct
    00074    {
    00075       static inline qx_bool invoke(void * pOwner, const T & params, boost::any * ret, const QxFunction_2 * pThis)
    00076       {
    00077          QX_FUNCTION_INVOKE_START_WITH_OWNER();
    00078          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
    00079          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
    00080          try { pThis->m_fct(static_cast<Owner *>(pOwner), p1, p2); }
    00081          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
    00082       }
    00083    };
    00084
    00085    template <class T>
    00086    struct QxInvokerFct<T, true>
    00087    {
    00088       static inline qx_bool invoke(void * pOwner, const T & params, boost::any * ret, const QxFunction_2 * pThis)
    00089       {
    00090          QX_FUNCTION_INVOKE_START_WITH_OWNER();
    00091          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
    00092          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
    00093          try { R retTmp = pThis->m_fct(static_cast<Owner *>(pOwner), p1, p2); if (ret) { (* ret) = boost::any(retTmp); } }
    00094          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
    00095       }
    00096    };
    00097
    00098 };
    00099
    00100 template <typename R, typename P1, typename P2>
    00101 class QxFunction_2<void, R, P1, P2> : public IxFunction
    00102 {
    00103
    00104 public:
    00105
    00106    typedef boost::function<R (P1, P2)> type_fct;
    00107    typedef typename qx::trait::remove_attr<P1, false>::type type_P1;
    00108    typedef typename qx::trait::remove_attr<P2, false>::type type_P2;
    00109    QX_FUNCTION_CLASS_FCT(QxFunction_2);
    00110
    00111    virtual int getParamCount() const                                    { return 2; }
    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_2 * 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          try { pThis->m_fct(p1, p2); }
    00126          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
    00127       }
    00128    };
    00129
    00130    template <class T>
    00131    struct QxInvokerFct<T, true>
    00132    {
    00133       static inline qx_bool invoke(const T & params, boost::any * ret, const QxFunction_2 * pThis)
    00134       {
    00135          QX_FUNCTION_INVOKE_START_WITHOUT_OWNER();
    00136          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
    00137          QX_FUNCTION_FETCH_PARAM(type_P2, p2, get_param_2);
    00138          try { R retTmp = pThis->m_fct(p1, p2); if (ret) { (* ret) = boost::any(retTmp); } }
    00139          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
    00140       }
    00141    };
    00142
    00143 };
    00144
    00145 namespace function {
    00146
    00147 template <class Owner, typename R, typename P1, typename P2>
    00148 IxFunction_ptr bind_fct_2(const typename QxFunction_2<Owner, R, P1, P2>::type_fct & fct)
    00149 {
    00150    typedef boost::is_same<Owner, void> qx_verify_owner_tmp;
    00151    BOOST_STATIC_ASSERT(qx_verify_owner_tmp::value);
    00152    IxFunction_ptr ptr; ptr.reset(new QxFunction_2<void, R, P1, P2>(fct));
    00153    return ptr;
    00154 }
    00155
    00156 template <class Owner, typename R, typename P1, typename P2>
    00157 IxFunction_ptr bind_member_fct_2(const typename QxFunction_2<Owner, R, P1, P2>::type_fct & fct)
    00158 {
    00159    typedef boost::is_same<Owner, void> qx_verify_owner_tmp;
    00160    BOOST_STATIC_ASSERT(! qx_verify_owner_tmp::value);
    00161    IxFunction_ptr ptr; ptr.reset(new QxFunction_2<Owner, R, P1, P2>(fct));
    00162    return ptr;
    00163 }
    00164
    00165 } // namespace function
    00166 } // namespace qx
    00167
    00168 #endif // _QX_FUNCTION_2_H_