libdap Updated for version 3.21.0
libdap4 is an implementation of OPeNDAP's DAP protocol.
Byte.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 1994-1999
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 Byte type.
33//
34// jhrg 9/7/94
35
36#ifndef _byte_h
37#define _byte_h 1
38
39#ifndef _dods_datatypes_h
40#include "dods-datatypes.h"
41#endif
42
43#ifndef _basetype_h
44#include "BaseType.h"
45#endif
46
47#ifndef constraint_evaluator_h
48#include "ConstraintEvaluator.h"
49#endif
50
51namespace libdap
52{
53
60class Byte: public BaseType
61{
62protected:
63 dods_byte d_buf;
64
65public:
66 Byte(const string &n);
67 Byte(const string &n, const string &d);
68
69 virtual ~Byte()
70 {}
71
72 Byte(const Byte &copy_from);
73
74 Byte &operator=(const Byte &rhs);
75
76 unsigned int width(bool = false) const override
77 {
78 return sizeof(dods_byte);
79 }
80
81 int64_t width_ll(bool = false) const override
82 {
83 return sizeof(dods_byte);
84 }
85
86 BaseType *ptr_duplicate() override;
87
88 // DAP2
89 bool serialize(ConstraintEvaluator &eval, DDS &dds, Marshaller &m, bool ce_eval) override;
90 bool deserialize(UnMarshaller &um, DDS *, bool) override;
91
92 // DAP4
93 void compute_checksum(Crc32 &checksum) override;
94 void serialize(D4StreamMarshaller &m, DMR &dmr, bool filter = false) override;
95 void deserialize(D4StreamUnMarshaller &um, DMR &dmr) override;
96
97 unsigned int val2buf(void *val, bool reuse = false) override;
98 unsigned int buf2val(void **val) override;
99
100 virtual bool set_value(const dods_byte value);
101 virtual dods_byte value() const;
102
103 void print_val(FILE *out, string space = "", bool print_decl_p = true) override;
104 void print_val(ostream &out, string space = "", bool print_decl_p = true) override;
105
106 bool ops(BaseType *b, int op) override;
107 bool d4_ops(BaseType *b, int op) override;
108 std::vector<BaseType *> *transform_to_dap2(AttrTable *parent_attr_table) override;
109
110 void dump(ostream &strm) const override;
111};
112
113} // namespace libdap
114
115#endif // _byte_h
116
Definition crc.h:77
The basic data type for the DODS DAP types.
Definition BaseType.h:120
Holds a single byte.
Definition Byte.h:61
void print_val(FILE *out, string space="", bool print_decl_p=true) override
Prints the value of the variable.
Definition Byte.cc:241
bool d4_ops(BaseType *b, int op) override
Definition Byte.cc:288
BaseType * ptr_duplicate() override
Definition Byte.cc:107
void compute_checksum(Crc32 &checksum) override
include the data for this variable in the checksum DAP4 includes a checksum with every data response....
Definition Byte.cc:160
bool deserialize(UnMarshaller &um, DDS *, bool) override
Deserialize the char on stdin and put the result in _BUF.
Definition Byte.cc:152
void dump(ostream &strm) const override
dumps information about this object
Definition Byte.cc:373
virtual dods_byte value() const
Definition Byte.cc:236
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 Byte.h:76
unsigned int val2buf(void *val, bool reuse=false) override
Definition Byte.cc:193
virtual bool set_value(const dods_byte value)
Definition Byte.cc:226
std::vector< BaseType * > * transform_to_dap2(AttrTable *parent_attr_table) override
DAP4 to DAP2 transform.
Definition Byte.cc:338
unsigned int buf2val(void **val) override
Reads the class data.
Definition Byte.cc:207
bool serialize(ConstraintEvaluator &eval, DDS &dds, Marshaller &m, bool ce_eval) override
Definition Byte.cc:131
top level DAP object to house generic methods
Definition AISConnect.cc:30