00001 // 00002 // aegis - project change supervisor 00003 // Copyright (C) 1994, 1996, 2002, 2005-2008 Peter Miller 00004 // 00005 // This program is free software; you can redistribute it and/or modify 00006 // it under the terms of the GNU General Public License as published by 00007 // the Free Software Foundation; either version 3 of the License, or 00008 // (at your option) any later version. 00009 // 00010 // This program is distributed in the hope that it will be useful, 00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 // GNU General Public License for more details. 00014 // 00015 // You should have received a copy of the GNU General Public License 00016 // along with this program. If not, see 00017 // <http://www.gnu.org/licenses/>. 00018 // 00019 00020 #ifndef AEGIS_AER_VALUE_REF_H 00021 #define AEGIS_AER_VALUE_REF_H 00022 00023 #include <libaegis/aer/value.h> 00024 00030 class rpt_value_reference: 00031 public rpt_value 00032 { 00033 public: 00037 virtual ~rpt_value_reference(); 00038 00039 private: 00044 rpt_value_reference(const rpt_value::pointer &value); 00045 00046 public: 00051 static rpt_value::pointer create(const rpt_value::pointer &value); 00052 00056 rpt_value::pointer get() const; 00057 00066 void set(const rpt_value::pointer &value); 00067 00068 protected: 00069 // See base class for documentation. 00070 rpt_value::pointer integerize_or_null() const; 00071 00072 // See base class for documentation. 00073 rpt_value::pointer realize_or_null() const; 00074 00075 // See base class for documentation. 00076 rpt_value::pointer arithmetic_or_null() const; 00077 00078 // See base class for documentation. 00079 rpt_value::pointer stringize_or_null() const; 00080 00081 // See base class for documentation. 00082 rpt_value::pointer booleanize_or_null() const; 00083 00084 // See base class for documentation. 00085 rpt_value::pointer lookup(const rpt_value::pointer &rhs, bool lvalue) const; 00086 00087 // See base class for documentation. 00088 rpt_value::pointer keys() const; 00089 00090 // See base class for documentation. 00091 rpt_value::pointer count() const; 00092 00093 // See base class for documentation. 00094 const char *type_of() const; 00095 00096 // See base class for documentation. 00097 const char *name() const; 00098 00099 private: 00104 rpt_value::pointer value; 00105 00109 rpt_value_reference(); 00110 00114 rpt_value_reference(const rpt_value_reference &); 00115 00119 rpt_value_reference &operator=(const rpt_value_reference &); 00120 }; 00121 00122 #endif // AEGIS_AER_VALUE_REF_H
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