| VRS - The Virtual Rendering System |
| version 3.3 |
00001 /********************************************************************** 00002 VRS - The Virtual Rendering System 00003 Copyright (C) 2001 Computer Graphics Systems Group at the 00004 Hasso-Plattner-Institute, Potsdam, Germany. 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Lesser General Public 00007 License as published by the Free Software Foundation; either 00008 version 2.1 of the License, or (at your option) any later version. 00009 This library is distributed in the hope that it will be useful, but 00010 WITHOUT ANY WARRANTY; without even the implied warranty of 00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 00012 See the GNU Lesser General Public License for more details. 00013 You should have received a copy of the GNU Lesser+ General Public 00014 License along with this library; if not, write to the FreeSoftware 00015 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA, 02111-1307, USA. 00016 **********************************************************************/ 00017 // $Id: typecastiterator.h 4455 2004-11-03 10:58:29Z saar $ 00018 // $Date: 2004-11-03 11:58:29 +0100 (Wed, 03 Nov 2004) $ 00019 // $Revision: 4455 $ 00020 // $State$ 00021 // $Author: saar $ 00022 // 00023 // $Log$ 00024 // Revision 1.14 2004/11/03 10:58:29 saar 00025 // Class comment changed (Doxygen style) 00026 // 00027 // Revision 1.13 2004/06/03 12:48:01 kirsch 00028 // replaced vrs assertions with check args and internal error macros 00029 // 00030 // Revision 1.12 2004/03/12 16:28:40 baumann 00031 // macros VRS_NAMESPACE_BEGIN/_END expanded and removed 00032 // 00033 // Revision 1.11 2004/02/12 08:29:07 gerber 00034 // added macro VRS_SERIALIZATION_PARENT_CLASS for parent serialization 00035 // 00036 // Revision 1.10 2004/01/19 11:43:58 baumann 00037 // serialization mechanism improved 00038 // 00039 // Revision 1.9 2004/01/15 14:16:54 baumann 00040 // serialization mechanism improved 00041 // 00042 // Revision 1.8 2003/01/22 17:15:13 baumann 00043 // method lastTransactionNo() reimplemented 00044 // 00045 // Revision 1.7 2002/08/06 16:24:02 baumann 00046 // VRS_API removed for template classes 00047 // 00048 // Revision 1.6 2002/07/11 14:21:52 kersting 00049 // added version for serialize method 00050 // 00051 // Revision 1.5 2002/07/05 05:55:27 baumann 00052 // changed return type of get()-method from "const T&" to "T" 00053 // 00054 // Revision 1.4 2002/07/03 16:25:23 baumann 00055 // bug fix for persistency registration 00056 // 00057 // Revision 1.3 2002/07/03 15:52:50 baumann 00058 // several changes for iterator code 00059 // most iterators are now serializable again 00060 // 00061 // Revision 1.2 2002/07/02 06:12:34 baumann 00062 // VRS::Iterator<T> completely rewritten 00063 // 00064 // Revision 1.1 2002/03/04 12:03:54 kersting 00065 // directory structure changes 00066 // 00067 // Revision 1.10 2002/03/03 21:44:25 kosta 00068 // VRS_TYPEINFO-macro rewritten 00069 // 00070 // Revision 1.9 2002/02/19 10:34:13 kosta 00071 // undone all changes since 2002-02-15 00072 // 00073 // Revision 1.6 2002/02/14 09:37:20 kosta 00074 // automatic serialization registration for template classes implemented 00075 // 00076 // Revision 1.5 2002/02/05 07:48:25 kosta 00077 // new persistency macros: 00078 // VRS_SERIALIZABLE(CLASS_NAME); 00079 // VRS_SERIALIZABLE_ABSTRACT_CLASS(CLASS_NAME); 00080 // VRS_SERIALIZABLE_NO_SO_CLASS(CLASS_NAME) 00081 // 00082 // Revision 1.4 2002/02/04 13:07:19 kosta 00083 // VRS_SERIALIZABLE macros completely rewritten 00084 // 00085 // Revision 1.3 2002/01/15 16:25:54 kosta 00086 // macros rewritten for a better namespace support 00087 // 00088 // Revision 1.2 2001/11/13 16:36:31 kirsch 00089 // changed line feed to unix style (removed control-M) 00090 // 00091 // Revision 1.1.1.1 2001/06/08 08:09:20 kirsch 00092 // imported alpha-version by olli 00093 // 00094 00095 00096 #ifndef VRS_TYPECASTITERATOR_H 00097 #define VRS_TYPECASTITERATOR_H 00098 00099 #include <vrs/container/iterator.h> 00100 00101 namespace VRS { 00102 00104 template<typename TO, typename FROM> 00105 class TypeCastIterator : public Iterator<TO> { 00106 public: 00107 TypeCastIterator(const Iterator<FROM>* from) 00108 : from_(from) 00109 { VRS_CheckArg(from, "no iterator"); } 00114 virtual unsigned int size() const { return from_->size(); } 00115 virtual TO get(unsigned int index) const { return static_cast<TO>(from_->get(index)); } 00116 00117 virtual const TransactionNo& lastTransactionNo() const { return from_->lastTransactionNo(); } 00118 00119 VRS_TYPEINFO(TypeCastIterator, Iterator<TO>); 00120 VRS_SERIALIZABLE(TypeCastIterator); 00121 00122 protected: 00123 TypeCastIterator() { } // only for serialization 00124 00125 private: 00126 SO<const Iterator<FROM> > from_; 00127 }; 00128 00129 template<typename TO, typename FROM> 00130 inline void TypeCastIterator<TO, FROM>::serialize(SerializationManager& doc) { 00131 VRS_SERIALIZATION_PARENT_CLASS(doc, Iterator<TO>); 00132 serialization(doc, "Master", from_); 00133 } 00134 00135 VRS_SERIALIZATION_REGISTRATION_TEMPLATE_2(TypeCastIterator); 00136 00137 } // namespace VRS 00138 00139 #endif // VRS_TYPECASTITERATOR_H 00140