QxOrm  1.4.1
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 int getParamCount() const                                    { return 1; }
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_1 * pThis)
00075       {
00076          QX_FUNCTION_INVOKE_START_WITH_OWNER();
00077          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00078          try { pThis->m_fct(static_cast<Owner *>(pOwner), p1); }
00079          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00080       }
00081    };
00082 
00083    template <class T>
00084    struct QxInvokerFct<T, true>
00085    {
00086       static inline qx_bool invoke(void * pOwner, const T & params, boost::any * ret, const QxFunction_1 * pThis)
00087       {
00088          QX_FUNCTION_INVOKE_START_WITH_OWNER();
00089          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00090          try { R retTmp = pThis->m_fct(static_cast<Owner *>(pOwner), p1); if (ret) { (* ret) = boost::any(retTmp); } }
00091          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00092       }
00093    };
00094 
00095 };
00096 
00097 template <typename R, typename P1>
00098 class QxFunction_1<void, R, P1> : public IxFunction
00099 {
00100 
00101 public:
00102 
00103    typedef boost::function<R (P1)> type_fct;
00104    typedef typename qx::trait::remove_attr<P1, false>::type type_P1;
00105    QX_FUNCTION_CLASS_FCT(QxFunction_1);
00106 
00107    virtual int getParamCount() const                                    { return 1; }
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_1 * pThis)
00117       {
00118          QX_FUNCTION_INVOKE_START_WITHOUT_OWNER();
00119          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00120          try { pThis->m_fct(p1); }
00121          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00122       }
00123    };
00124 
00125    template <class T>
00126    struct QxInvokerFct<T, true>
00127    {
00128       static inline qx_bool invoke(const T & params, boost::any * ret, const QxFunction_1 * pThis)
00129       {
00130          QX_FUNCTION_INVOKE_START_WITHOUT_OWNER();
00131          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00132          try { R retTmp = pThis->m_fct(p1); if (ret) { (* ret) = boost::any(retTmp); } }
00133          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00134       }
00135    };
00136 
00137 };
00138 
00139 namespace function {
00140 
00141 template <class Owner, typename R, typename P1>
00142 IxFunction_ptr bind_fct_1(const typename QxFunction_1<Owner, R, P1>::type_fct & fct)
00143 {
00144    typedef boost::is_same<Owner, void> qx_verify_owner_tmp;
00145    BOOST_STATIC_ASSERT(qx_verify_owner_tmp::value);
00146    IxFunction_ptr ptr; ptr.reset(new QxFunction_1<void, R, P1>(fct));
00147    return ptr;
00148 }
00149 
00150 template <class Owner, typename R, typename P1>
00151 IxFunction_ptr bind_member_fct_1(const typename QxFunction_1<Owner, R, P1>::type_fct & fct)
00152 {
00153    typedef boost::is_same<Owner, void> qx_verify_owner_tmp;
00154    BOOST_STATIC_ASSERT(! qx_verify_owner_tmp::value);
00155    IxFunction_ptr ptr; ptr.reset(new QxFunction_1<Owner, R, P1>(fct));
00156    return ptr;
00157 }
00158 
00159 } // namespace function
00160 } // namespace qx
00161 
00162 #endif // _QX_FUNCTION_1_H_