Aegis  4.25.D505
libaegis/aer/expr/func.h
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00001 //
00002 //      aegis - project change supervisor
00003 //      Copyright (C) 1994, 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_EXPR_FUNC_H
00021 #define AEGIS_AER_EXPR_FUNC_H
00022 
00023 #include <libaegis/aer/expr.h>
00024 
00029 class rpt_expr_func:
00030     public rpt_expr
00031 {
00032 public:
00036     virtual ~rpt_expr_func();
00037 
00038 private:
00043     rpt_expr_func(const rpt_expr::pointer &lhs, const rpt_expr::pointer &rhs);
00044 
00045 public:
00050     static rpt_expr::pointer create(const rpt_expr::pointer &lhs,
00051         const rpt_expr::pointer &rhs);
00052 
00053 protected:
00054     // See base class for documentation.
00055     rpt_value::pointer evaluate() const;
00056 
00057 private:
00061     rpt_expr_func();
00062 
00066     rpt_expr_func(const rpt_expr_func &);
00067 
00071     rpt_expr_func &operator=(const rpt_expr_func &);
00072 };
00073 
00074 #endif // AEGIS_AER_EXPR_FUNC_H