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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_

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