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QxFunctionMacro.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_MACRO_H_
    00033 #define _QX_FUNCTION_MACRO_H_
    00034
    00035 #ifdef _MSC_VER
    00036 #pragma once
    00037 #endif
    00038
    00039 #include <boost/utility/value_init.hpp>
    00040 #include <boost/type_traits/remove_const.hpp>
    00041
    00042 #define QX_FUNCTION_CLASS_FCT(className) \
    00043 public: \
    00044 type_fct m_fct; \
    00045 className(type_fct fct) : IxFunction(), m_fct(fct) { ; }; \
    00046 virtual ~className() { ; }; \
    00047 virtual qx_bool invoke(const QString & params = QString(), boost::any * ret = NULL) const \
    00048 { return QxInvokerFct<QString, ! boost::is_same<R, void>::value>::invoke(params, ret, this); } \
    00049 virtual qx_bool invoke(const type_any_params & params, boost::any * ret = NULL) const \
    00050 { return QxInvokerFct<type_any_params, ! boost::is_same<R, void>::value>::invoke(params, ret, this); } \
    00051 virtual qx_bool invoke(void * pOwner, const QString & params = QString(), boost::any * ret = NULL) const \
    00052 { Q_UNUSED(pOwner); Q_UNUSED(params); Q_UNUSED(ret); qAssert(false); return qx_bool(false, 0, QX_FUNCTION_ERR_INVALID_INVOKE_CALL); } \
    00053 virtual qx_bool invoke(void * pOwner, const type_any_params & params, boost::any * ret = NULL) const \
    00054 { Q_UNUSED(pOwner); Q_UNUSED(params); Q_UNUSED(ret); qAssert(false); return qx_bool(false, 0, QX_FUNCTION_ERR_INVALID_INVOKE_CALL); } \
    00055 virtual qx_bool isValidFct() const \
    00056 { return (m_fct.empty() ? qx_bool(false, 0, QX_FUNCTION_ERR_EMPTY_FCT) : qx_bool(true)); }
    00057
    00058 #define QX_FUNCTION_CLASS_MEMBER_FCT(className) \
    00059 public: \
    00060 type_fct m_fct; \
    00061 className(type_fct fct) : IxFunction(), m_fct(fct) { ; }; \
    00062 virtual ~className() { ; }; \
    00063 virtual qx_bool invoke(void * pOwner, const QString & params = QString(), boost::any * ret = NULL) const \
    00064 { return QxInvokerFct<QString, ! boost::is_same<R, void>::value>::invoke(pOwner, params, ret, this); } \
    00065 virtual qx_bool invoke(void * pOwner, const type_any_params & params, boost::any * ret = NULL) const \
    00066 { return QxInvokerFct<type_any_params, ! boost::is_same<R, void>::value>::invoke(pOwner, params, ret, this); } \
    00067 virtual qx_bool invoke(const QString & params = QString(), boost::any * ret = NULL) const \
    00068 { Q_UNUSED(params); Q_UNUSED(ret); qAssert(false); return qx_bool(false, 0, QX_FUNCTION_ERR_INVALID_INVOKE_CALL); } \
    00069 virtual qx_bool invoke(const type_any_params & params, boost::any * ret = NULL) const \
    00070 { Q_UNUSED(params); Q_UNUSED(ret); qAssert(false); return qx_bool(false, 0, QX_FUNCTION_ERR_INVALID_INVOKE_CALL); } \
    00071 virtual qx_bool isValidFct() const \
    00072 { return (m_fct.empty() ? qx_bool(false, 0, QX_FUNCTION_ERR_EMPTY_MEMBER_FCT) : qx_bool(true)); }
    00073
    00074 #define QX_FUNCTION_CATCH_AND_RETURN_INVOKE() \
    00075 catch (const std::exception & e) { bValid = qx_bool(false, 0, e.what()); } \
    00076 catch (...) { bValid = qx_bool(false, 0, QX_FUNCTION_ERR_UNKNOWN_ERROR); } \
    00077 if (! bValid) { qDebug("[QxOrm] %s", qPrintable(bValid.getDesc())); qAssert(false); } \
    00078 return bValid;
    00079
    00080 #define QX_FUNCTION_INVOKE_START_WITH_OWNER() \
    00081 if (ret) { (* ret) = boost::any(); } \
    00082 qx_bool bValid = pThis->isValid<T, Owner>(pOwner, params, NULL); \
    00083 if (! bValid) { qDebug("[QxOrm] %s", qPrintable(bValid.getDesc())); qAssert(false); return bValid; }
    00084
    00085 #define QX_FUNCTION_INVOKE_START_WITHOUT_OWNER() \
    00086 if (ret) { (* ret) = boost::any(); } \
    00087 qx_bool bValid = pThis->isValid(params); \
    00088 if (! bValid) { qDebug("[QxOrm] %s", qPrintable(bValid.getDesc())); qAssert(false); return bValid; }
    00089
    00090 #define QX_FUNCTION_FETCH_PARAM(TYPE, VALUE, FCT) \
    00091 boost::value_initialized< typename boost::remove_const< TYPE >::type > VALUE; \
    00092 { qx_bool bTmp = qx::function::detail::FCT(params, VALUE.data(), pThis); \
    00093 if (! bTmp) { qDebug("[QxOrm] %s", qPrintable(bTmp.getDesc())); qAssert(false); return bTmp; } }
    00094
    00095 #define QX_FUNCTION_GET_PARAM_TYPE_ANY(PARAMCOUNT) \
    00096 Q_UNUSED(qx_fct); \
    00097 if (params.size() < PARAMCOUNT) { return qx_bool(false, 0, QX_FUNCTION_ERR_NUMBER_PARAMS); } \
    00098 qx_bool bValid = true; \
    00099 try { p = boost::any_cast<P>(params[PARAMCOUNT - 1]); } \
    00100 catch (...) { bValid = qx_bool(false, 0, QString(QX_FUNCTION_ERR_INVALID_PARAM).replace("XXX", QString::number(PARAMCOUNT))); } \
    00101 return bValid;
    00102
    00103 #ifndef QT_NO_STL
    00104 #define QX_FUNCTION_GET_PARAM_TYPE_STRING(PARAMCOUNT) \
    00105 if (! qx_fct) { return qx_bool(false, 0, QX_FUNCTION_ERR_UNKNOWN_ERROR); } \
    00106 QStringList lst = params.split(qx_fct->getSeparator()); \
    00107 if (lst.size() < PARAMCOUNT) { return qx_bool(false, 0, QX_FUNCTION_ERR_NUMBER_PARAMS); } \
    00108 qx_bool bValid = true; \
    00109 try { p = boost::lexical_cast<P>(lst.at(PARAMCOUNT - 1).toStdString()); } \
    00110 catch (...) { bValid = qx_bool(false, 0, QString(QX_FUNCTION_ERR_INVALID_PARAM).replace("XXX", QString::number(PARAMCOUNT))); } \
    00111 return bValid;
    00112 #else // QT_NO_STL
    00113 #define QX_FUNCTION_GET_PARAM_TYPE_STRING(PARAMCOUNT) \
    00114 if (! qx_fct) { return qx_bool(false, 0, QX_FUNCTION_ERR_UNKNOWN_ERROR); } \
    00115 QStringList lst = params.split(qx_fct->getSeparator()); \
    00116 if (lst.size() < PARAMCOUNT) { return qx_bool(false, 0, QX_FUNCTION_ERR_NUMBER_PARAMS); } \
    00117 qx_bool bValid = true; \
    00118 try { std::string tmp(lst.at(PARAMCOUNT - 1).toLatin1().constData()); p = boost::lexical_cast<P>(tmp); } \
    00119 catch (...) { bValid = qx_bool(false, 0, QString(QX_FUNCTION_ERR_INVALID_PARAM).replace("XXX", QString::number(PARAMCOUNT))); } \
    00120 return bValid;
    00121 #endif // QT_NO_STL
    00122
    00123 #define QX_FUNCTION_GET_PARAM_TYPE_STRING_TO_QSTRING(PARAMCOUNT) \
    00124 if (! qx_fct) { return qx_bool(false, 0, QX_FUNCTION_ERR_UNKNOWN_ERROR); } \
    00125 QStringList lst = params.split(qx_fct->getSeparator()); \
    00126 if (lst.size() < PARAMCOUNT) { return qx_bool(false, 0, QX_FUNCTION_ERR_NUMBER_PARAMS); } \
    00127 p = lst.at(PARAMCOUNT - 1); \
    00128 return true;
    00129
    00130 #endif // _QX_FUNCTION_MACRO_H_