QxOrm  1.2.3
C++ Object Relational Mapping library
QxFunction_1.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_1_H_
00027 #define _QX_FUNCTION_1_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>
00050 class QxFunction_1 : public IxFunction
00051 {
00052 
00053 public:
00054 
00055    typedef boost::function<R (Owner *, P1)> type_fct;
00056    typedef typename qx::trait::remove_attr<P1, false>::type type_P1;
00057    QX_FUNCTION_CLASS_MEMBER_FCT(QxFunction_1);
00058 
00059    virtual qx_bool isValidParams(const QString & params) const          { Q_UNUSED(params); return true; }
00060    virtual qx_bool isValidParams(const type_any_params & params) const  { Q_UNUSED(params); return true; }
00061 
00062 private:
00063 
00064    template <class T, bool bReturnValue /* = false */>
00065    struct QxInvokerFct
00066    {
00067       static inline qx_bool invoke(void * pOwner, const T & params, boost::any * ret, const QxFunction_1 * pThis)
00068       {
00069          QX_FUNCTION_INVOKE_START_WITH_OWNER();
00070          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00071          try { pThis->m_fct(static_cast<Owner *>(pOwner), p1); }
00072          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00073       }
00074    };
00075 
00076    template <class T>
00077    struct QxInvokerFct<T, true>
00078    {
00079       static inline qx_bool invoke(void * pOwner, const T & params, boost::any * ret, const QxFunction_1 * pThis)
00080       {
00081          QX_FUNCTION_INVOKE_START_WITH_OWNER();
00082          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00083          try { R retTmp = pThis->m_fct(static_cast<Owner *>(pOwner), p1); if (ret) { (* ret) = boost::any(retTmp); } }
00084          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00085       }
00086    };
00087 
00088 };
00089 
00090 template <typename R, typename P1>
00091 class QxFunction_1<void, R, P1> : public IxFunction
00092 {
00093 
00094 public:
00095 
00096    typedef boost::function<R (P1)> type_fct;
00097    typedef typename qx::trait::remove_attr<P1, false>::type type_P1;
00098    QX_FUNCTION_CLASS_FCT(QxFunction_1);
00099 
00100    virtual qx_bool isValidParams(const QString & params) const          { Q_UNUSED(params); return true; }
00101    virtual qx_bool isValidParams(const type_any_params & params) const  { Q_UNUSED(params); return true; }
00102 
00103 private:
00104 
00105    template <class T, bool bReturnValue /* = false */>
00106    struct QxInvokerFct
00107    {
00108       static inline qx_bool invoke(const T & params, boost::any * ret, const QxFunction_1 * pThis)
00109       {
00110          QX_FUNCTION_INVOKE_START_WITHOUT_OWNER();
00111          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00112          try { pThis->m_fct(p1); }
00113          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00114       }
00115    };
00116 
00117    template <class T>
00118    struct QxInvokerFct<T, true>
00119    {
00120       static inline qx_bool invoke(const T & params, boost::any * ret, const QxFunction_1 * pThis)
00121       {
00122          QX_FUNCTION_INVOKE_START_WITHOUT_OWNER();
00123          QX_FUNCTION_FETCH_PARAM(type_P1, p1, get_param_1);
00124          try { R retTmp = pThis->m_fct(p1); if (ret) { (* ret) = boost::any(retTmp); } }
00125          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
00126       }
00127    };
00128 
00129 };
00130 
00131 namespace function {
00132 
00133 template <class Owner, typename R, typename P1>
00134 IxFunction_ptr bind_fct_1(const typename QxFunction_1<Owner, R, P1>::type_fct & fct)
00135 {
00136    typedef boost::is_same<Owner, void> qx_verify_owner_tmp;
00137    BOOST_STATIC_ASSERT(qx_verify_owner_tmp::value);
00138    IxFunction_ptr ptr; ptr.reset(new QxFunction_1<void, R, P1>(fct));
00139    return ptr;
00140 }
00141 
00142 template <class Owner, typename R, typename P1>
00143 IxFunction_ptr bind_member_fct_1(const typename QxFunction_1<Owner, R, P1>::type_fct & fct)
00144 {
00145    typedef boost::is_same<Owner, void> qx_verify_owner_tmp;
00146    BOOST_STATIC_ASSERT(! qx_verify_owner_tmp::value);
00147    IxFunction_ptr ptr; ptr.reset(new QxFunction_1<Owner, R, P1>(fct));
00148    return ptr;
00149 }
00150 
00151 } // namespace function
00152 } // namespace qx
00153 
00154 #endif // _QX_FUNCTION_1_H_