252 lines
8.5 KiB
C++
252 lines
8.5 KiB
C++
/*
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* Open BEAGLE
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* Copyright (C) 2001-2007 by Christian Gagne and Marc Parizeau
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Contact:
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* Laboratoire de Vision et Systemes Numeriques
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* Departement de genie electrique et de genie informatique
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* Universite Laval, Quebec, Canada, G1K 7P4
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* http://vision.gel.ulaval.ca
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*
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*/
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/*!
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* \file beagle/castObjectT.hpp
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* \brief Implementation of castObjectT templated functions.
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* \author Christian Gagne
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* \author Marc Parizeau
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* $Revision: 1.5.2.1 $
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* $Date: 2007/05/09 01:51:18 $
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*/
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#ifndef Beagle_castObjectT_hpp
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#define Beagle_castObjectT_hpp
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#include <typeinfo>
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#include <string>
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#include "beagle/config.hpp"
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#include "beagle/macros.hpp"
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#include "beagle/Object.hpp"
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#include "beagle/Pointer.hpp"
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#include "beagle/BadCastException.hpp"
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namespace Beagle {
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/*!
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* \brief Cast a Beagle::Object pointer into a CastType pointer.
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* \param inObject Object pointer to be casted.
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* \return Casted pointer to the object.
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* \relates Beagle::Object
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* \ingroup ObjPt
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* \warning If RTTI is enabled and the typecast is invalid, the function return a NULL pointer.
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*/
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template <class CastPointerType>
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inline CastPointerType castObjectT(Beagle::Object* inObject)
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{
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Beagle_StackTraceBeginM();
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#ifdef BEAGLE_NDEBUG
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return static_cast<CastPointerType>(inObject);
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#else // BEAGLE_NDEBUG
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#ifdef BEAGLE_HAVE_DYNAMIC_CAST
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return dynamic_cast<CastPointerType>(inObject);
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#else // BEAGLE_HAVE_DYNAMIC_CAST
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return static_cast<CastPointerType>(inObject);
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#endif // BEAGLE_HAVE_DYNAMIC_CAST
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#endif // BEAGLE_NDEBUG
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Beagle_StackTraceEndM("CastPointerType castObjectT<CastPointerType>(Object* inObject)");
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}
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/*!
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* \brief Cast a Beagle::Object constant pointer into a CastType constant pointer.
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* \param inObject Object constant pointer to be casted.
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* \return Casted constant pointer to the object.
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* \relates Beagle::Object
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* \ingroup ObjPt
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* \warning If RTTI is enabled and the typecast is invalid, the function return a NULL pointer.
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*/
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template <class CastPointerType>
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inline CastPointerType castObjectT(const Beagle::Object* inObject)
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{
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Beagle_StackTraceBeginM();
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#ifdef BEAGLE_NDEBUG
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return static_cast<CastPointerType>(inObject);
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#else // BEAGLE_NDEBUG
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#ifdef BEAGLE_HAVE_DYNAMIC_CAST
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return dynamic_cast<CastPointerType>(inObject);
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#else // BEAGLE_HAVE_DYNAMIC_CAST
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return static_cast<CastPointerType>(inObject);
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#endif // BEAGLE_HAVE_DYNAMIC_CAST
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#endif // BEAGLE_NDEBUG
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Beagle_StackTraceEndM("CastPointerType castObjectT<CastPointerType>(const Object* inObject)");
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}
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/*!
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* \brief Cast a Beagle::Object reference into a CastType reference.
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* \param inObject Object reference to be casted.
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* \return Casted reference to the object.
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* \throw Beagle::BadCastException If RTTI is enabled and the typecast is invalid.
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* \relates Beagle::Object
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* \ingroup ObjPt
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*/
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template <class CastRefType>
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inline CastRefType castObjectT(Beagle::Object& inObject)
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{
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Beagle_StackTraceBeginM();
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#ifdef BEAGLE_NDEBUG
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return static_cast<CastRefType>(inObject);
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#else // BEAGLE_NDEBUG
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#ifdef BEAGLE_HAVE_DYNAMIC_CAST
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try {
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return dynamic_cast<CastRefType>(inObject);
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} catch(...) {
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string lMessage("Unable to cast object reference into desired type! ");
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lMessage += "Type of the object to cast: ";
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lMessage += typeid(inObject).name();
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lMessage += ", \t";
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lMessage += "Desired type cast: ";
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lMessage += typeid(CastRefType).name();
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lMessage += ".";
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throw Beagle_BadCastExceptionM(lMessage);
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}
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return static_cast<CastRefType>(inObject);
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#else // BEAGLE_HAVE_DYNAMIC_CAST
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return static_cast<CastRefType>(inObject);
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#endif // BEAGLE_HAVE_DYNAMIC_CAST
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#endif // BEAGLE_NDEBUG
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Beagle_StackTraceEndM("CastRefType castObjectT<CastRefType>(Object& inObject)");
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}
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/*!
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* \brief Cast a Beagle::Object constant reference into a CastType constant reference.
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* \param inObject Object constant reference to be casted.
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* \return Casted constant reference to the object.
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* \throw Beagle::BadCastException If RTTI is enabled and the typecast is invalid.
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* \relates Beagle::Object
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* \ingroup ObjPt
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*/
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template <class CastConstRefType>
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inline CastConstRefType castObjectT(const Beagle::Object& inObject)
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{
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Beagle_StackTraceBeginM();
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#ifdef BEAGLE_NDEBUG
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return static_cast<CastConstRefType>(inObject);
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#else // BEAGLE_NDEBUG
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#ifdef BEAGLE_HAVE_DYNAMIC_CAST
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try {
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return dynamic_cast<CastConstRefType>(inObject);
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} catch(...) {
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string lMessage("Unable to cast object reference into desired type! ");
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lMessage += "Type of the object to cast: ";
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lMessage += typeid(inObject).name();
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lMessage += ", \t";
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lMessage += "Desired type cast: ";
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lMessage += typeid(CastConstRefType).name();
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lMessage += ".";
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throw Beagle_BadCastExceptionM(lMessage);
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}
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return static_cast<CastConstRefType>(inObject);
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#else // BEAGLE_HAVE_DYNAMIC_CAST
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return static_cast<CastConstRefType>(inObject);
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#endif // BEAGLE_HAVE_DYNAMIC_CAST
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#endif // BEAGLE_NDEBUG
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Beagle_StackTraceEndM("CastConstRefType castObjectT<CastConstRefType>(const Object& inObject)");
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}
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/*!
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* \brief Cast a Beagle::Object smart pointer into a CastType handle type.
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* \param inObject Object smart pointer to be casted.
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* \return Casted smart pointer to the object.
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* \throw Beagle::BadCastException If RTTI is enabled and the typecast is invalid.
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* \relates Beagle::Object
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* \ingroup ObjPt
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*/
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template <class CastType>
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inline typename CastType::Handle& castHandleT(Beagle::Object::Handle& inObject)
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{
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Beagle_StackTraceBeginM();
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#ifdef BEAGLE_NDEBUG
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return static_cast<typename CastType::Handle&>(inObject);
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#else // BEAGLE_NDEBUG
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#ifdef BEAGLE_HAVE_DYNAMIC_CAST
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if(inObject.getPointer()) {
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if( dynamic_cast<CastType*>(inObject.getPointer()) == NULL ) {
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string lMessage("Unable to cast object handle into desired type! ");
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lMessage += "Type of the object to cast: ";
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lMessage += typeid(*inObject).name();
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lMessage += ", \t";
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lMessage += "Desired type cast: ";
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lMessage += typeid(CastType).name();
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lMessage += ".";
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throw Beagle_BadCastExceptionM(lMessage);
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}
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}
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return static_cast<typename CastType::Handle&>(inObject);
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#else // BEAGLE_HAVE_DYNAMIC_CAST
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return static_cast<typename CastType::Handle&>(inObject);
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#endif // BEAGLE_HAVE_DYNAMIC_CAST
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#endif // BEAGLE_NDEBUG
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Beagle_StackTraceEndM("CastType::Handle& castHandleT<CastType>(Object::Handle& inObject)");
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}
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/*!
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* \brief Cast a constant Beagle::Object smart pointer into a constant CastType handle type.
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* \param inObject Constant Object smart pointer to be casted.
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* \return Casted constant smart pointer to the object.
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* \throw Beagle::BadCastException If RTTI is enabled and the typecast is invalid.
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* \relates Beagle::Object
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* \ingroup ObjPt
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*/
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template <class CastType>
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inline const typename CastType::Handle& castHandleT(const Beagle::Object::Handle& inObject)
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{
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Beagle_StackTraceBeginM();
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#ifdef BEAGLE_NDEBUG
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return static_cast<const typename CastType::Handle&>(inObject);
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#else // BEAGLE_NDEBUG
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#ifdef BEAGLE_HAVE_DYNAMIC_CAST
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if(inObject.getPointer()) {
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if( dynamic_cast<const CastType*>(inObject.getPointer()) == NULL ) {
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string lMessage("Unable to cast object handle into desired type! ");
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lMessage += "Type of the object to cast: ";
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lMessage += typeid(*inObject).name();
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lMessage += ", \t";
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lMessage += "Desired type cast: ";
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lMessage += typeid(CastType).name();
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lMessage += ".";
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throw Beagle_BadCastExceptionM(lMessage);
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}
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}
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return static_cast<const typename CastType::Handle&>(inObject);
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#else // BEAGLE_HAVE_DYNAMIC_CAST
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return static_cast<const typename CastType::Handle&>(inObject);
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#endif // BEAGLE_HAVE_DYNAMIC_CAST
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#endif // BEAGLE_NDEBUG
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Beagle_StackTraceEndM("const CastType::Handle& castHandleT<CastType>(const Object::Handle& inObject)");
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}
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}
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#endif // Beagle_castObjectT_hpp
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