libdap Updated for version 3.21.0
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 BaseType *ptr_duplicate() override;
78
79 unsigned int width(bool = false) const override
80 {
81 return sizeof(dods_float32);
82 }
83
84 int64_t width_ll(bool = false) const override
85 {
86 return sizeof(dods_float32);
87 }
88
89 // DAP2
90 bool serialize(ConstraintEvaluator &eval, DDS &dds, Marshaller &m, bool ce_eval = true) override;
91 bool deserialize(UnMarshaller &um, DDS *dds, bool reuse = false) override;
92
93 // DAP4
94 void compute_checksum(Crc32 &checksum) override;
95 void serialize(D4StreamMarshaller &m, DMR &dmr, /*ConstraintEvaluator &eval,*/ bool filter = false) override;
96 void deserialize(D4StreamUnMarshaller &um, DMR &dmr) override;
97
98 unsigned int val2buf(void *val, bool reuse = false) override;
99 unsigned int buf2val(void **val) override;
100
101 virtual dods_float32 value() const;
102 virtual bool set_value(dods_float32 f);
103
104 void print_val(FILE *out, string space = "",
105 bool print_decl_p = true) override;
106 void print_val(ostream &out, string space = "",
107 bool print_decl_p = true) override;
108
109 bool ops(BaseType *b, int op) override;
110 bool d4_ops(BaseType *b, int op) override;
111
112 void dump(ostream &strm) const override;
113};
114
115} // namespace libdap
116
117#endif // _float32_h
118
Definition: crc.h:79
The basic data type for the DODS DAP types.
Definition: BaseType.h:120
BaseType(const string &n, const Type &t, bool is_dap4=false)
The BaseType constructor.
Definition: BaseType.cc:126
Holds a 32-bit floating point value.
Definition: Float32.h:62
BaseType * ptr_duplicate() override
Definition: Float32.cc:104
bool d4_ops(BaseType *b, int op) override
Definition: Float32.cc:273
void dump(ostream &strm) const override
dumps information about this object
Definition: Float32.cc:317
Float32(const string &n)
Definition: Float32.cc:85
virtual dods_float32 value() const
Definition: Float32.cc:223
void compute_checksum(Crc32 &checksum) override
include the data for this variable in the checksum DAP4 includes a checksum with every data response....
Definition: Float32.cc:147
unsigned int buf2val(void **val) override
Reads the class data.
Definition: Float32.cc:193
bool deserialize(UnMarshaller &um, DDS *dds, bool reuse=false) override
Receive data from the net.
Definition: Float32.cc:139
unsigned int width(bool=false) const override
How many bytes does this variable use Return the number of bytes of storage this variable uses....
Definition: Float32.h:79
bool serialize(ConstraintEvaluator &eval, DDS &dds, Marshaller &m, bool ce_eval=true) override
Move data to the net, then remove them from the object.
Definition: Float32.cc:120
bool ops(BaseType *b, int op) override
Evaluate relational operators.
Definition: Float32.cc:251
unsigned int val2buf(void *val, bool reuse=false) override
Loads class data.
Definition: Float32.cc:176
void print_val(FILE *out, string space="", bool print_decl_p=true) override
Prints the value of the variable.
Definition: Float32.cc:229
top level DAP object to house generic methods
Definition: AlarmHandler.h:36