00001 // 00002 // parameter.h 00003 // 00004 // Copyright (C) 1996 Limit Point Systems, Inc. 00005 // 00006 // Author: Curtis Janssen <cljanss@limitpt.com> 00007 // Maintainer: LPS 00008 // 00009 // This file is part of the SC Toolkit. 00010 // 00011 // The SC Toolkit is free software; you can redistribute it and/or modify 00012 // it under the terms of the GNU Library General Public License as published by 00013 // the Free Software Foundation; either version 2, or (at your option) 00014 // any later version. 00015 // 00016 // The SC Toolkit is distributed in the hope that it will be useful, 00017 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00019 // GNU Library General Public License for more details. 00020 // 00021 // You should have received a copy of the GNU Library General Public License 00022 // along with the SC Toolkit; see the file COPYING.LIB. If not, write to 00023 // the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 00024 // 00025 // The U.S. Government is granted a limited license as per AL 91-7. 00026 // 00027 00028 #ifndef _util_render_parameter_h 00029 #define _util_render_parameter_h 00030 00031 #include <util/keyval/keyval.h> 00032 00033 template <class T> 00034 class Parameter { 00035 T parameter_; 00036 int is_set_; 00037 int overrides_; 00038 public: 00039 Parameter(): is_set_(0), overrides_(0) {} 00040 void set(const T& a) { parameter_ = a; is_set_ = 1; } 00041 void override(int overrides = 1) { overrides_ = overrides; } 00042 const T& value() const { return parameter_; } 00043 int overrides() const { return overrides_; } 00044 int is_set() const { return is_set_; } 00045 }; 00046 00047 #endif 00048 00049 // Local Variables: 00050 // mode: c++ 00051 // c-file-style: "CLJ" 00052 // End: