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_PSTATE_H 00021 #define AEGIS_AER_VALUE_PSTATE_H 00022 00023 #include <common/nstring.h> 00024 #include <libaegis/aer/value.h> 00025 00031 class rpt_value_pstate: 00032 public rpt_value 00033 { 00034 public: 00038 virtual ~rpt_value_pstate(); 00039 00040 private: 00048 rpt_value_pstate(const nstring &pname); 00049 00050 public: 00058 static rpt_value::pointer create(const nstring &name); 00059 00067 static rpt_value::pointer create(string_ty *name); 00068 00069 protected: 00070 // See base class for documentation. 00071 const char *name() const; 00072 00073 // See base class for documentation. 00074 bool is_a_struct() const; 00075 00076 // See base class for documentation. 00077 rpt_value::pointer lookup(const rpt_value::pointer &rhs, bool lvalue) const; 00078 00079 // See base class for documentation. 00080 rpt_value::pointer keys() const; 00081 00082 // See base class for documentation. 00083 rpt_value::pointer count() const; 00084 00085 // See base class for documentation. 00086 rpt_value::pointer undefer_or_null() const; 00087 00088 // See base class for documentation. 00089 const char *type_of() const; 00090 00091 private: 00096 nstring pname; 00097 00103 mutable rpt_value::pointer value; 00104 00108 void grab() const; 00109 00113 rpt_value_pstate(); 00114 00118 rpt_value_pstate(const rpt_value_pstate &); 00119 00123 rpt_value_pstate &operator=(const rpt_value_pstate &); 00124 }; 00125 00126 #endif // AEGIS_AER_VALUE_PSTATE_H
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