libdap Updated for version 3.21.0
libdap4 is an implementation of OPeNDAP's DAP protocol.
UInt32.cc
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// Implementation for Int32.
33//
34// jhrg 9/7/94
35
36
37#include "config.h"
38
39#include <sstream>
40
41#include "Byte.h" // synonymous with UInt8 and Char
42#include "Int8.h"
43#include "Int16.h"
44#include "UInt16.h"
45#include "Int32.h"
46#include "UInt32.h"
47#include "Int64.h"
48#include "UInt64.h"
49#include "Float32.h"
50#include "Float64.h"
51#include "Str.h"
52#include "Url.h"
53
54#include "DDS.h"
55#include "Marshaller.h"
56#include "UnMarshaller.h"
57
58#include "DMR.h"
59#include "D4StreamMarshaller.h"
60#include "D4StreamUnMarshaller.h"
61
62#include "util.h"
63#include "parser.h"
64#include "Operators.h"
65#include "dods-limits.h"
66#include "debug.h"
67#include "InternalErr.h"
68#include "DapIndent.h"
69
70using std::cerr;
71using std::endl;
72
73namespace libdap {
74
80UInt32::UInt32(const string &n) : BaseType(n, dods_uint32_c), d_buf(0)
81{}
82
90UInt32::UInt32(const string &n, const string &d) : BaseType(n, d, dods_uint32_c), d_buf(0)
91{}
92
93UInt32::UInt32(const UInt32 &copy_from) : BaseType(copy_from)
94{
95 d_buf = copy_from.d_buf;
96}
97
98BaseType *
100{
101 return new UInt32(*this);
102}
103
104UInt32 &
105UInt32::operator=(const UInt32 &rhs)
106{
107 if (this == &rhs)
108 return *this;
109 BaseType::operator=(rhs);
110 d_buf = rhs.d_buf;
111 return *this;
112}
113
114bool
116{
117#if USE_LOCAL_TIMEOUT_SCHEME
118 dds.timeout_on();
119#endif
120 if (!read_p())
121 read(); // read() throws Error and InternalErr
122
123 if (ce_eval && !eval.eval_selection(dds, dataset()))
124 return true;
125#if USE_LOCAL_TIMEOUT_SCHEME
126 dds.timeout_off();
127#endif
128 m.put_uint32( d_buf ) ;
129
130 return true;
131}
132
133bool
135{
136 um.get_uint32( d_buf ) ;
137
138 return false;
139}
140
141void
143{
144 checksum.AddData(reinterpret_cast<uint8_t*>(&d_buf), sizeof(d_buf));
145}
146
155void
156UInt32::serialize(D4StreamMarshaller &m, DMR &, /*ConstraintEvaluator &,*/ bool)
157{
158 if (!read_p())
159 read(); // read() throws Error
160
161 m.put_uint32( d_buf ) ;
162}
163
164void
166{
167 um.get_uint32( d_buf ) ;
168}
169
170unsigned int
171UInt32::val2buf(void *val, bool)
172{
173
174 // Jose Garcia
175 // This method is public therefore and I believe it has being designed
176 // to be use by read which must be implemented on the surrogated library,
177 // thus if the pointer val is NULL, is an Internal Error.
178 if (!val)
179 throw InternalErr(__FILE__, __LINE__,
180 "The incoming pointer does not contain any data.");
181
182 d_buf = *(dods_uint32 *)val;
183
184 return width();
185}
186
187unsigned int
189{
190 // Jose Garcia
191 // The same comment justifying throwing an Error in val2buf applies here.
192 if (!val)
193 throw InternalErr(__FILE__, __LINE__, "NULL pointer.");
194
195 if (!*val)
196 *val = new dods_uint32;
197
198 *(dods_uint32 *)*val = d_buf;
199
200 return width();
201}
202
203dods_uint32
204UInt32::value() const
205{
206 return d_buf;
207}
208
209bool
210UInt32::set_value(dods_uint32 i)
211{
212 d_buf = i;
213 set_read_p(true);
214
215 return true;
216}
217
218void
219UInt32::print_val(FILE *out, string space, bool print_decl_p)
220{
221 ostringstream oss;
222 print_val(oss, space, print_decl_p);
223 fwrite(oss.str().data(), sizeof(char), oss.str().length(), out);
224}
225
226void
227UInt32::print_val(ostream &out, string space, bool print_decl_p)
228{
229 if (print_decl_p) {
230 print_decl(out, space, false);
231 out << " = " << (unsigned int)d_buf << ";\n" ;
232 }
233 else
234 out << (unsigned int)d_buf ;
235}
236
237bool
239{
240 // Extract the Byte arg's value.
241 if (!read_p() && !read()) {
242 // Jose Garcia
243 // Since the read method is virtual and implemented outside
244 // libdap++ if we cannot read the data that is the problem
245 // of the user or of whoever wrote the surrogate library
246 // implemeting read therefore it is an internal error.
247 throw InternalErr(__FILE__, __LINE__, "This value was not read!");
248 }
249
250 // Extract the second arg's value.
251 if (!b || !(b->read_p() || b->read())) {
252 // Jose Garcia
253 // Since the read method is virtual and implemented outside
254 // libdap++ if we cannot read the data that is the problem
255 // of the user or of whoever wrote the surrogate library
256 // implemeting read therefore it is an internal error.
257 throw InternalErr(__FILE__, __LINE__, "This value was not read!");
258 }
259
260 switch (b->type()) {
261 case dods_int8_c:
262 return Cmp<dods_uint32, dods_int8>(op, d_buf, static_cast<Int8*>(b)->value());
263 case dods_byte_c:
264 return Cmp<dods_uint32, dods_byte>(op, d_buf, static_cast<Byte*>(b)->value());
265 case dods_int16_c:
266 return Cmp<dods_uint32, dods_int16>(op, d_buf, static_cast<Int16*>(b)->value());
267 case dods_uint16_c:
268 return Cmp<dods_uint32, dods_uint16>(op, d_buf, static_cast<UInt16*>(b)->value());
269 case dods_int32_c:
270 return Cmp<dods_uint32, dods_int32>(op, d_buf, static_cast<Int32*>(b)->value());
271 case dods_uint32_c:
272 return Cmp<dods_uint32, dods_uint32>(op, d_buf, static_cast<UInt32*>(b)->value());
273 case dods_int64_c:
274 return Cmp<dods_uint32, dods_int64>(op, d_buf, static_cast<Int64*>(b)->value());
275 case dods_uint64_c:
276 return Cmp<dods_uint32, dods_uint64>(op, d_buf, static_cast<UInt64*>(b)->value());
277 case dods_float32_c:
278 return Cmp<dods_uint32, dods_float32>(op, d_buf, static_cast<Float32*>(b)->value());
279 case dods_float64_c:
280 return Cmp<dods_uint32, dods_float64>(op, d_buf, static_cast<Float64*>(b)->value());
281 default:
282 return false;
283 }
284}
285
294void
295UInt32::dump(ostream &strm) const
296{
297 strm << DapIndent::LMarg << "UInt32::dump - ("
298 << (void *)this << ")" << endl ;
299 DapIndent::Indent() ;
300 BaseType::dump(strm) ;
301 strm << DapIndent::LMarg << "value: " << d_buf << endl ;
302 DapIndent::UnIndent() ;
303}
304
305} // namespace libdap
306
Definition crc.h:77
void AddData(const uint8_t *pData, const uint32_t length)
Definition crc.h:98
The basic data type for the DODS DAP types.
Definition BaseType.h:120
virtual bool read()
Read data into a local buffer.
Definition BaseType.cc:905
virtual void print_decl(FILE *out, string space=" ", bool print_semi=true, bool constraint_info=false, bool constrained=false)
Print an ASCII representation of the variable structure.
Definition BaseType.cc:1009
virtual bool read_p()
Has this variable been read?
Definition BaseType.cc:477
virtual void set_read_p(bool state)
Sets the value of the read_p property.
Definition BaseType.cc:513
virtual string dataset() const
Returns the name of the dataset used to create this instance.
Definition BaseType.cc:355
void dump(ostream &strm) const override
dumps information about this object
Definition BaseType.cc:287
BaseType(const string &n, const Type &t, bool is_dap4=false)
The BaseType constructor.
Definition BaseType.cc:126
virtual Type type() const
Returns the type of the class instance.
Definition BaseType.cc:362
Holds a single byte.
Definition Byte.h:61
Evaluate a constraint expression.
bool eval_selection(DDS &dds, const std::string &dataset)
Evaluate a boolean-valued constraint expression. This is main method for the evaluator and is called ...
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
Holds a 64-bit (double precision) floating point value.
Definition Float64.h:61
Holds a 16-bit signed integer value.
Definition Int16.h:60
Holds a 32-bit signed integer.
Definition Int32.h:66
Holds a64-bit signed integer.
Definition Int64.h:50
Holds an 8-bit signed integer value.
Definition Int8.h:43
A class for software fault reporting.
Definition InternalErr.h:65
abstract base class used to marshal/serialize dap data objects
Definition Marshaller.h:50
Holds an unsigned 16-bit integer.
Definition UInt16.h:58
Holds a 32-bit unsigned integer.
Definition UInt32.h:60
UInt32(const string &n)
Definition UInt32.cc:80
BaseType * ptr_duplicate() override
Definition UInt32.cc:99
void compute_checksum(Crc32 &checksum) override
include the data for this variable in the checksum DAP4 includes a checksum with every data response....
Definition UInt32.cc:142
bool deserialize(UnMarshaller &um, DDS *dds, bool reuse=false) override
Receive data from the net.
Definition UInt32.cc:134
bool ops(BaseType *b, int op) override
Evaluate relational operators.
Definition UInt32.cc:238
void dump(ostream &strm) const override
dumps information about this object
Definition UInt32.cc:295
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 UInt32.h:76
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 UInt32.cc:115
void print_val(FILE *out, string space="", bool print_decl_p=true) override
Prints the value of the variable.
Definition UInt32.cc:219
unsigned int buf2val(void **val) override
Reads the class data.
Definition UInt32.cc:188
unsigned int val2buf(void *val, bool reuse=false) override
Loads class data.
Definition UInt32.cc:171
Holds a 64-bit unsigned integer.
Definition UInt64.h:50
abstract base class used to unmarshall/deserialize dap data objects
top level DAP object to house generic methods
Definition AISConnect.cc:30
bool Cmp(int op, T1 v1, T2 v2)
Definition Operators.h:53