QxOrm  1.2.6
C++ Object Relational Mapping library
QxFunction_1.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 :
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00031 
00032 #ifndef _QX_FUNCTION_1_H_
00033 #define _QX_FUNCTION_1_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>
00056 class QxFunction_1 : public IxFunction
00057 {
00058 
00059 public:
00060 
00061    typedef boost::function<R (Owner *, P1)> type_fct;
00062    typedef typename qx::trait::remove_attr<P1, false>::type type_P1;
00063    QX_FUNCTION_CLASS_MEMBER_FCT(QxFunction_1);
00064 
00065    virtual qx_bool isValidParams(const QString & params) const          { Q_UNUSED(params); return true; }
00066    virtual qx_bool isValidParams(const type_any_params & params) const  { Q_UNUSED(params); return true; }
00067 
00068 private:
00069 
00070    template <class T, bool bReturnValue /* = false */>
00071    struct QxInvokerFct
00072    {
00073       static inline qx_bool invoke(void * pOwner, const T & params, boost::any * ret, const QxFunction_1 * pThis)
00074       {
00075          QX_FUNCTION_INVOKE_START_WITH_OWNER();
00076          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00077          try { pThis->m_fct(static_cast<Owner *>(pOwner), p1); }
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_1 * pThis)
00086       {
00087          QX_FUNCTION_INVOKE_START_WITH_OWNER();
00088          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00089          try { R retTmp = pThis->m_fct(static_cast<Owner *>(pOwner), p1); if (ret) { (* ret) = boost::any(retTmp); } }
00090          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00091       }
00092    };
00093 
00094 };
00095 
00096 template <typename R, typename P1>
00097 class QxFunction_1<void, R, P1> : public IxFunction
00098 {
00099 
00100 public:
00101 
00102    typedef boost::function<R (P1)> type_fct;
00103    typedef typename qx::trait::remove_attr<P1, false>::type type_P1;
00104    QX_FUNCTION_CLASS_FCT(QxFunction_1);
00105 
00106    virtual qx_bool isValidParams(const QString & params) const          { Q_UNUSED(params); return true; }
00107    virtual qx_bool isValidParams(const type_any_params & params) const  { Q_UNUSED(params); return true; }
00108 
00109 private:
00110 
00111    template <class T, bool bReturnValue /* = false */>
00112    struct QxInvokerFct
00113    {
00114       static inline qx_bool invoke(const T & params, boost::any * ret, const QxFunction_1 * pThis)
00115       {
00116          QX_FUNCTION_INVOKE_START_WITHOUT_OWNER();
00117          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00118          try { pThis->m_fct(p1); }
00119          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00120       }
00121    };
00122 
00123    template <class T>
00124    struct QxInvokerFct<T, true>
00125    {
00126       static inline qx_bool invoke(const T & params, boost::any * ret, const QxFunction_1 * pThis)
00127       {
00128          QX_FUNCTION_INVOKE_START_WITHOUT_OWNER();
00129          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00130          try { R retTmp = pThis->m_fct(p1); if (ret) { (* ret) = boost::any(retTmp); } }
00131          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00132       }
00133    };
00134 
00135 };
00136 
00137 namespace function {
00138 
00139 template <class Owner, typename R, typename P1>
00140 IxFunction_ptr bind_fct_1(const typename QxFunction_1<Owner, R, P1>::type_fct & fct)
00141 {
00142    typedef boost::is_same<Owner, void> qx_verify_owner_tmp;
00143    BOOST_STATIC_ASSERT(qx_verify_owner_tmp::value);
00144    IxFunction_ptr ptr; ptr.reset(new QxFunction_1<void, R, P1>(fct));
00145    return ptr;
00146 }
00147 
00148 template <class Owner, typename R, typename P1>
00149 IxFunction_ptr bind_member_fct_1(const typename QxFunction_1<Owner, R, P1>::type_fct & fct)
00150 {
00151    typedef boost::is_same<Owner, void> qx_verify_owner_tmp;
00152    BOOST_STATIC_ASSERT(! qx_verify_owner_tmp::value);
00153    IxFunction_ptr ptr; ptr.reset(new QxFunction_1<Owner, R, P1>(fct));
00154    return ptr;
00155 }
00156 
00157 } // namespace function
00158 } // namespace qx
00159 
00160 #endif // _QX_FUNCTION_1_H_