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QxFunction_0.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_0_H_
    00033 #define _QX_FUNCTION_0_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>
    00056 class QxFunction_0 : public IxFunction
    00057 {
    00058
    00059 public:
    00060
    00061    typedef boost::function<R (Owner *)> type_fct;
    00062    QX_FUNCTION_CLASS_MEMBER_FCT(QxFunction_0);
    00063
    00064    virtual qx_bool isValidParams(const QString & params) const          { Q_UNUSED(params); return true; }
    00065    virtual qx_bool isValidParams(const type_any_params & params) const  { Q_UNUSED(params); return true; }
    00066
    00067 private:
    00068
    00069    template <class T, bool bReturnValue /* = false */>
    00070    struct QxInvokerFct
    00071    {
    00072       static inline qx_bool invoke(void * pOwner, const T & params, boost::any * ret, const QxFunction_0 * pThis)
    00073       {
    00074          QX_FUNCTION_INVOKE_START_WITH_OWNER();
    00075          try { pThis->m_fct(static_cast<Owner *>(pOwner)); }
    00076          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
    00077       }
    00078    };
    00079
    00080    template <class T>
    00081    struct QxInvokerFct<T, true>
    00082    {
    00083       static inline qx_bool invoke(void * pOwner, const T & params, boost::any * ret, const QxFunction_0 * pThis)
    00084       {
    00085          QX_FUNCTION_INVOKE_START_WITH_OWNER();
    00086          try { R retTmp = pThis->m_fct(static_cast<Owner *>(pOwner)); if (ret) { (* ret) = boost::any(retTmp); } }
    00087          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
    00088       }
    00089    };
    00090
    00091 };
    00092
    00093 template <typename R>
    00094 class QxFunction_0<void, R> : public IxFunction
    00095 {
    00096
    00097 public:
    00098
    00099    typedef boost::function<R ()> type_fct;
    00100    QX_FUNCTION_CLASS_FCT(QxFunction_0);
    00101
    00102    virtual qx_bool isValidParams(const QString & params) const          { Q_UNUSED(params); return true; }
    00103    virtual qx_bool isValidParams(const type_any_params & params) const  { Q_UNUSED(params); return true; }
    00104
    00105 private:
    00106
    00107    template <class T, bool bReturnValue /* = false */>
    00108    struct QxInvokerFct
    00109    {
    00110       static inline qx_bool invoke(const T & params, boost::any * ret, const QxFunction_0 * pThis)
    00111       {
    00112          QX_FUNCTION_INVOKE_START_WITHOUT_OWNER();
    00113          try { pThis->m_fct(); }
    00114          QX_FUNCTION_CATCH_AND_RETURN_INVOKE();
    00115       }
    00116    };
    00117
    00118    template <class T>
    00119    struct QxInvokerFct<T, true>
    00120    {
    00121       static inline qx_bool invoke(const T & params, boost::any * ret, const QxFunction_0 * pThis)
    00122       {
    00123          QX_FUNCTION_INVOKE_START_WITHOUT_OWNER();
    00124          try { R retTmp = pThis->m_fct(); 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>
    00134 IxFunction_ptr bind_fct_0(const typename QxFunction_0<Owner, R>::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_0<void, R>(fct));
    00139    return ptr;
    00140 }
    00141
    00142 template <class Owner, typename R>
    00143 IxFunction_ptr bind_member_fct_0(const typename QxFunction_0<Owner, R>::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_0<Owner, R>(fct));
    00148    return ptr;
    00149 }
    00150
    00151 } // namespace function
    00152 } // namespace qx
    00153
    00154 #endif // _QX_FUNCTION_0_H_