libdap++  Updated for version 3.8.2
RValue.h
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1 
2 // -*- mode: c++; c-basic-offset:4 -*-
3 
4 // This file is part of libdap, A C++ implementation of the OPeNDAP Data
5 // Access Protocol.
6 
7 // Copyright (c) 2002,2003 OPeNDAP, Inc.
8 // Author: James Gallagher <jgallagher@opendap.org>
9 //
10 // This library is free software; you can redistribute it and/or
11 // modify it under the terms of the GNU Lesser General Public
12 // License as published by the Free Software Foundation; either
13 // version 2.1 of the License, or (at your option) any later version.
14 //
15 // This library is distributed in the hope that it will be useful,
16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 // Lesser General Public License for more details.
19 //
20 // You should have received a copy of the GNU Lesser General Public
21 // License along with this library; if not, write to the Free Software
22 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 //
24 // You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
25 
26 // (c) COPYRIGHT URI/MIT 1998-1999
27 // Please read the full copyright statement in the file COPYRIGHT_URI.
28 //
29 // Authors:
30 // jhrg,jimg James Gallagher <jgallagher@gso.uri.edu>
31 
32 #ifndef _rvalue_h
33 #define _rvalue_h
34 
35 namespace libdap
36 {
37 
44 class rvalue
45 {
46 private:
47  BaseType *d_value;
48  btp_func d_func; // pointer to a function returning BaseType *
49  std::vector<rvalue *> *d_args; // arguments to the function
50 
51 public:
52  typedef std::vector<rvalue *>::iterator Args_iter ;
53  typedef std::vector<rvalue *>::const_iterator Args_citer ;
54 
55  rvalue(BaseType *bt);
56  rvalue(btp_func f, vector<rvalue *> *a);
57  rvalue();
58 
59  virtual ~rvalue();
60  string value_name();
61 
62  BaseType *bvalue(DDS &dds);
63 };
64 
65 // This type def must come after the class definition above. It is used in
66 // the Clause and DDS classes.
67 typedef std::vector<rvalue *> rvalue_list;
68 typedef std::vector<rvalue *>::const_iterator rvalue_list_citer ;
69 typedef std::vector<rvalue *>::iterator rvalue_list_iter ;
70 
73 
74 BaseType **build_btp_args(rvalue_list *args, DDS &dds);
75 
76 } // namespace libdap
77 #endif // _rvalue_h