QxOrm 1.1.8
C++ Object Relational Mapping library
QxFunctionMacro.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_MACRO_H_
00027 #define _QX_FUNCTION_MACRO_H_
00028 
00029 #ifdef _MSC_VER
00030 #pragma once
00031 #endif
00032 
00033 #include <boost/utility/value_init.hpp>
00034 
00035 #define QX_FUNCTION_CLASS_FCT(className) \
00036 public: \
00037 type_fct m_fct; \
00038 className(type_fct fct) : IxFunction(), m_fct(fct) { ; }; \
00039 virtual ~className() { ; }; \
00040 virtual qx_bool invoke(const QString & params = QString(), boost::any * ret = NULL) const \
00041 { return QxInvokerFct<QString, ! boost::is_same<R, void>::value>::invoke(params, ret, this); } \
00042 virtual qx_bool invoke(const type_any_params & params, boost::any * ret = NULL) const \
00043 { return QxInvokerFct<type_any_params, ! boost::is_same<R, void>::value>::invoke(params, ret, this); } \
00044 virtual qx_bool invoke(void * pOwner, const QString & params = QString(), boost::any * ret = NULL) const \
00045 { Q_UNUSED(pOwner); Q_UNUSED(params); Q_UNUSED(ret); qAssert(false); return qx_bool(false, 0, QX_FUNCTION_ERR_INVALID_INVOKE_CALL); } \
00046 virtual qx_bool invoke(void * pOwner, const type_any_params & params, boost::any * ret = NULL) const \
00047 { Q_UNUSED(pOwner); Q_UNUSED(params); Q_UNUSED(ret); qAssert(false); return qx_bool(false, 0, QX_FUNCTION_ERR_INVALID_INVOKE_CALL); } \
00048 virtual qx_bool isValidFct() const \
00049 { return (m_fct.empty() ? qx_bool(false, 0, QX_FUNCTION_ERR_EMPTY_FCT) : qx_bool(true)); }
00050 
00051 #define QX_FUNCTION_CLASS_MEMBER_FCT(className) \
00052 public: \
00053 type_fct m_fct; \
00054 className(type_fct fct) : IxFunction(), m_fct(fct) { ; }; \
00055 virtual ~className() { ; }; \
00056 virtual qx_bool invoke(void * pOwner, const QString & params = QString(), boost::any * ret = NULL) const \
00057 { return QxInvokerFct<QString, ! boost::is_same<R, void>::value>::invoke(pOwner, params, ret, this); } \
00058 virtual qx_bool invoke(void * pOwner, const type_any_params & params, boost::any * ret = NULL) const \
00059 { return QxInvokerFct<type_any_params, ! boost::is_same<R, void>::value>::invoke(pOwner, params, ret, this); } \
00060 virtual qx_bool invoke(const QString & params = QString(), boost::any * ret = NULL) const \
00061 { Q_UNUSED(params); Q_UNUSED(ret); qAssert(false); return qx_bool(false, 0, QX_FUNCTION_ERR_INVALID_INVOKE_CALL); } \
00062 virtual qx_bool invoke(const type_any_params & params, boost::any * ret = NULL) const \
00063 { Q_UNUSED(params); Q_UNUSED(ret); qAssert(false); return qx_bool(false, 0, QX_FUNCTION_ERR_INVALID_INVOKE_CALL); } \
00064 virtual qx_bool isValidFct() const \
00065 { return (m_fct.empty() ? qx_bool(false, 0, QX_FUNCTION_ERR_EMPTY_MEMBER_FCT) : qx_bool(true)); }
00066 
00067 #define QX_FUNCTION_CATCH_AND_RETURN_INVOKE() \
00068 catch (const std::exception & e) { bValid = qx_bool(false, 0, e.what()); } \
00069 catch (...) { bValid = qx_bool(false, 0, QX_FUNCTION_ERR_UNKNOWN_ERROR); } \
00070 if (! bValid) { qDebug("[QxOrm] %s", qPrintable(bValid.getDesc())); qAssert(false); } \
00071 return bValid;
00072 
00073 #define QX_FUNCTION_INVOKE_START_WITH_OWNER() \
00074 if (ret) { (* ret) = boost::any(); } \
00075 qx_bool bValid = pThis->isValid<T, Owner>(pOwner, params, NULL); \
00076 if (! bValid) { qDebug("[QxOrm] %s", qPrintable(bValid.getDesc())); qAssert(false); return bValid; }
00077 
00078 #define QX_FUNCTION_INVOKE_START_WITHOUT_OWNER() \
00079 if (ret) { (* ret) = boost::any(); } \
00080 qx_bool bValid = pThis->isValid(params); \
00081 if (! bValid) { qDebug("[QxOrm] %s", qPrintable(bValid.getDesc())); qAssert(false); return bValid; }
00082 
00083 #define QX_FUNCTION_FETCH_PARAM(TYPE, VALUE, FCT) \
00084 boost::value_initialized< TYPE > VALUE; \
00085 { qx_bool bTmp = qx::function::detail::FCT(params, VALUE, pThis); \
00086 if (! bTmp) { qDebug("[QxOrm] %s", qPrintable(bTmp.getDesc())); qAssert(false); return bTmp; } }
00087 
00088 #define QX_FUNCTION_GET_PARAM_TYPE_ANY(PARAMCOUNT) \
00089 Q_UNUSED(qx_fct); \
00090 if (params.size() < PARAMCOUNT) { return qx_bool(false, 0, QX_FUNCTION_ERR_NUMBER_PARAMS); } \
00091 qx_bool bValid = true; \
00092 try { p = boost::any_cast<P>(params[PARAMCOUNT - 1]); } \
00093 catch (...) { bValid = qx_bool(false, 0, QString(QX_FUNCTION_ERR_INVALID_PARAM).replace("XXX", QString::number(PARAMCOUNT))); } \
00094 return bValid;
00095 
00096 #define QX_FUNCTION_GET_PARAM_TYPE_STRING(PARAMCOUNT) \
00097 if (! qx_fct) { return qx_bool(false, 0, QX_FUNCTION_ERR_UNKNOWN_ERROR); } \
00098 QStringList lst = params.split(qx_fct->getSeparator()); \
00099 if (lst.size() < PARAMCOUNT) { return qx_bool(false, 0, QX_FUNCTION_ERR_NUMBER_PARAMS); } \
00100 qx_bool bValid = true; \
00101 try { p = boost::lexical_cast<P>(lst.at(PARAMCOUNT - 1).toStdString()); } \
00102 catch (...) { bValid = qx_bool(false, 0, QString(QX_FUNCTION_ERR_INVALID_PARAM).replace("XXX", QString::number(PARAMCOUNT))); } \
00103 return bValid;
00104 
00105 #define QX_FUNCTION_GET_PARAM_TYPE_STRING_TO_QSTRING(PARAMCOUNT) \
00106 if (! qx_fct) { return qx_bool(false, 0, QX_FUNCTION_ERR_UNKNOWN_ERROR); } \
00107 QStringList lst = params.split(qx_fct->getSeparator()); \
00108 if (lst.size() < PARAMCOUNT) { return qx_bool(false, 0, QX_FUNCTION_ERR_NUMBER_PARAMS); } \
00109 p = lst.at(PARAMCOUNT - 1); \
00110 return true;
00111 
00112 #endif // _QX_FUNCTION_MACRO_H_
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