libdap Updated for version 3.20.10
libdap4 is an implementation of OPeNDAP's DAP protocol.
Float32.h
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23//
24// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
25
26// (c) COPYRIGHT URI/MIT 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// Interface for Float32 type.
33//
34// 3/22/99 jhrg
35
36#ifndef _float32_h
37#define _float32_h 1
38
39
40#ifndef _dods_datatypes_h
41#include "dods-datatypes.h"
42#endif
43
44#ifndef _basetype_h
45#include "BaseType.h"
46#endif
47
48#ifndef constraint_evaluator_h
49#include "ConstraintEvaluator.h"
50#endif
51
52namespace libdap
53{
54
55class DMR;
56
61class Float32: public BaseType
62{
63protected:
64 dods_float32 d_buf;
65
66public:
67 Float32(const string &n);
68 Float32(const string &n, const string &d);
69
70 Float32(const Float32 &copy_from);
71
72 Float32 &operator=(const Float32 &rhs);
73
74 virtual ~Float32()
75 {}
76
77 virtual BaseType *ptr_duplicate();
78 virtual unsigned int width(bool constrained = false) const;
79
80 // DAP2
81 virtual bool serialize(ConstraintEvaluator &eval, DDS &dds, Marshaller &m, bool ce_eval = true);
82 virtual bool deserialize(UnMarshaller &um, DDS *dds, bool reuse = false);
83
84 // DAP4
85 virtual void compute_checksum(Crc32 &checksum);
86 virtual void serialize(D4StreamMarshaller &m, DMR &dmr, /*ConstraintEvaluator &eval,*/ bool filter = false);
87 virtual void deserialize(D4StreamUnMarshaller &um, DMR &dmr);
88
89 virtual unsigned int val2buf(void *val, bool reuse = false);
90 virtual unsigned int buf2val(void **val);
91
92 virtual dods_float32 value() const;
93 virtual bool set_value(dods_float32 f);
94
95 virtual void print_val(FILE *out, string space = "",
96 bool print_decl_p = true);
97 virtual void print_val(ostream &out, string space = "",
98 bool print_decl_p = true);
99
100 virtual bool ops(BaseType *b, int op);
101 virtual bool d4_ops(BaseType *b, int op);
102
103 virtual void dump(ostream &strm) const ;
104};
105
106} // namespace libdap
107
108#endif // _float32_h
109
Definition crc.h:77
The basic data type for the DODS DAP types.
Definition BaseType.h:118
Evaluate a constraint expression.
Marshaller that knows how to marshal/serialize dap data objects to a C++ iostream using DAP4's receiv...
Read data from the stream made by D4StreamMarshaller.
Holds a 32-bit floating point value.
Definition Float32.h:62
virtual BaseType * ptr_duplicate()
Definition Float32.cc:104
virtual void compute_checksum(Crc32 &checksum)
include the data for this variable in the checksum DAP4 includes a checksum with every data response....
Definition Float32.cc:153
virtual unsigned int val2buf(void *val, bool reuse=false)
Loads class data.
Definition Float32.cc:182
virtual bool d4_ops(BaseType *b, int op)
Definition Float32.cc:279
Float32(const string &n)
Definition Float32.cc:85
virtual void print_val(FILE *out, string space="", bool print_decl_p=true)
Prints the value of the variable.
Definition Float32.cc:235
virtual dods_float32 value() const
Definition Float32.cc:229
virtual bool deserialize(UnMarshaller &um, DDS *dds, bool reuse=false)
Receive data from the net.
Definition Float32.cc:145
virtual void dump(ostream &strm) const
dumps information about this object
Definition Float32.cc:323
virtual bool ops(BaseType *b, int op)
Evaluate relational operators.
Definition Float32.cc:257
virtual unsigned int width(bool constrained=false) const
How many bytes does this variable use Return the number of bytes of storage this variable uses....
Definition Float32.cc:120
virtual bool serialize(ConstraintEvaluator &eval, DDS &dds, Marshaller &m, bool ce_eval=true)
Move data to the net, then remove them from the object.
Definition Float32.cc:126
virtual unsigned int buf2val(void **val)
Reads the class data.
Definition Float32.cc:199
abstract base class used to marshal/serialize dap data objects
Definition Marshaller.h:50
abstract base class used to unmarshall/deserialize dap data objects
top level DAP object to house generic methods