libdap++ Updated for version 3.8.2

RValue.h

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00001 
00002 // -*- mode: c++; c-basic-offset:4 -*-
00003 
00004 // This file is part of libdap, A C++ implementation of the OPeNDAP Data
00005 // Access Protocol.
00006 
00007 // Copyright (c) 2002,2003 OPeNDAP, Inc.
00008 // Author: James Gallagher <jgallagher@opendap.org>
00009 //
00010 // This library is free software; you can redistribute it and/or
00011 // modify it under the terms of the GNU Lesser General Public
00012 // License as published by the Free Software Foundation; either
00013 // version 2.1 of the License, or (at your option) any later version.
00014 //
00015 // This library is distributed in the hope that it will be useful,
00016 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018 // Lesser General Public License for more details.
00019 //
00020 // You should have received a copy of the GNU Lesser General Public
00021 // License along with this library; if not, write to the Free Software
00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00023 //
00024 // You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
00025 
00026 // (c) COPYRIGHT URI/MIT 1998-1999
00027 // Please read the full copyright statement in the file COPYRIGHT_URI.
00028 //
00029 // Authors:
00030 //      jhrg,jimg       James Gallagher <jgallagher@gso.uri.edu>
00031 
00032 #ifndef _rvalue_h
00033 #define _rvalue_h
00034 
00035 namespace libdap
00036 {
00037 
00044 class rvalue
00045 {
00046 private:
00047     BaseType *d_value;
00048     btp_func d_func;  // pointer to a function returning BaseType *
00049     std::vector<rvalue *> *d_args;  // arguments to the function
00050 
00051 public:
00052     typedef std::vector<rvalue *>::iterator Args_iter ;
00053     typedef std::vector<rvalue *>::const_iterator Args_citer ;
00054 
00055     rvalue(BaseType *bt);
00056     rvalue(btp_func f, vector<rvalue *> *a);
00057     rvalue();
00058 
00059     virtual ~rvalue();
00060     string value_name();
00061 
00062     BaseType *bvalue(DDS &dds);
00063 };
00064 
00065 // This type def must come after the class definition above. It is used in
00066 // the Clause and DDS classes.
00067 typedef std::vector<rvalue *> rvalue_list;
00068 typedef std::vector<rvalue *>::const_iterator rvalue_list_citer ;
00069 typedef std::vector<rvalue *>::iterator rvalue_list_iter ;
00070 
00071 rvalue_list *make_rvalue_list(rvalue *rv);
00072 rvalue_list *append_rvalue_list(rvalue_list *rvals, rvalue *rv);
00073 
00074 BaseType **build_btp_args(rvalue_list *args, DDS &dds);
00075 
00076 } // namespace libdap
00077 #endif // _rvalue_h