libdap++  Updated for version 3.8.2
UInt32.cc
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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 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 static char rcsid[] not_used =
40  {"$Id: UInt32.cc 21699 2009-11-05 00:06:01Z jimg $"
41  };
42 
43 #include "Byte.h"
44 #include "Int16.h"
45 #include "UInt16.h"
46 #include "Int32.h"
47 #include "UInt32.h"
48 #include "Float32.h"
49 #include "Float64.h"
50 #include "Str.h"
51 #include "Url.h"
52 #include "Array.h"
53 #include "Structure.h"
54 #include "Sequence.h"
55 #include "Grid.h"
56 
57 #include "DDS.h"
58 #include "util.h"
59 #include "parser.h"
60 #include "Operators.h"
61 #include "dods-limits.h"
62 #include "debug.h"
63 #include "InternalErr.h"
64 
65 using std::cerr;
66 using std::endl;
67 
68 namespace libdap {
69 
75 UInt32::UInt32(const string &n)
77 {}
78 
86 UInt32::UInt32(const string &n, const string &d)
87  : BaseType(n, d, dods_uint32_c)
88 {}
89 
90 UInt32::UInt32(const UInt32 &copy_from) : BaseType(copy_from)
91 {
92  _buf = copy_from._buf;
93 }
94 
95 BaseType *
97 {
98  return new UInt32(*this);
99 }
100 
101 UInt32 &
103 {
104  if (this == &rhs)
105  return *this;
106 
107  dynamic_cast<BaseType &>(*this) = rhs;
108 
109  _buf = rhs._buf;
110 
111  return *this;
112 }
113 
114 unsigned int
116 {
117  return sizeof(dods_uint32);
118 }
119 
120 bool
122  Marshaller &m, bool ce_eval)
123 {
124  dds.timeout_on();
125 
126  if (!read_p())
127  read(); // read() throws Error and InternalErr
128 
129 #if EVAL
130  if (ce_eval && !eval.eval_selection(dds, dataset()))
131  return true;
132 #endif
133 
134  dds.timeout_off();
135 
136  m.put_uint32( _buf ) ;
137 
138  return true;
139 }
140 
141 bool
143 {
144  um.get_uint32( _buf ) ;
145 
146  return false;
147 }
148 
149 unsigned int
150 UInt32::val2buf(void *val, bool)
151 {
152 
153  // Jose Garcia
154  // This method is public therefore and I believe it has being designed
155  // to be use by read which must be implemented on the surrogated library,
156  // thus if the pointer val is NULL, is an Internal Error.
157  if (!val)
158  throw InternalErr(__FILE__, __LINE__,
159  "The incoming pointer does not contain any data.");
160 
161  _buf = *(dods_uint32 *)val;
162 
163  return width();
164 }
165 
166 unsigned int
167 UInt32::buf2val(void **val)
168 {
169  // Jose Garcia
170  // The same comment justifying throwing an Error in val2buf applies here.
171  if (!val)
172  throw InternalErr(__FILE__, __LINE__, "NULL pointer.");
173 
174  if (!*val)
175  *val = new dods_uint32;
176 
177  *(dods_uint32 *)*val = _buf;
178 
179  return width();
180 }
181 
184 {
185  return _buf;
186 }
187 
188 bool
190 {
191  _buf = i;
192  set_read_p(true);
193 
194  return true;
195 }
196 
197 #if FILE_METHODS
198 void
199 UInt32::print_val(FILE *out, string space, bool print_decl_p)
200 {
201  if (print_decl_p) {
202  print_decl(out, space, false);
203  fprintf(out, " = %u;\n", (unsigned int)_buf) ;
204  }
205  else
206  fprintf(out, "%u", (unsigned int)_buf) ;
207 }
208 #endif
209 
210 void
211 UInt32::print_val(ostream &out, string space, bool print_decl_p)
212 {
213  if (print_decl_p) {
214  print_decl(out, space, false);
215  out << " = " << (unsigned int)_buf << ";\n" ;
216  }
217  else
218  out << (unsigned int)_buf ;
219 }
220 
221 bool
223 {
224  // Extract the Byte arg's value.
225  if (!read_p() && !read()) {
226  // Jose Garcia
227  // Since the read method is virtual and implemented outside
228  // libdap++ if we cannot read the data that is the problem
229  // of the user or of whoever wrote the surrogate library
230  // implemeting read therefore it is an internal error.
231  throw InternalErr(__FILE__, __LINE__, "This value was not read!");
232  }
233 
234  // Extract the second arg's value.
235  if (!b || !(b->read_p() || b->read())) {
236  // Jose Garcia
237  // Since the read method is virtual and implemented outside
238  // libdap++ if we cannot read the data that is the problem
239  // of the user or of whoever wrote the surrogate library
240  // implemeting read therefore it is an internal error.
241  throw InternalErr(__FILE__, __LINE__, "This value was not read!");
242  }
243 
244  switch (b->type()) {
245  case dods_byte_c:
246  return rops<dods_uint32, dods_byte, Cmp<dods_uint32, dods_byte> >
247  (_buf, dynamic_cast<Byte *>(b)->_buf, op);
248  case dods_int16_c:
249  return rops<dods_uint32, dods_int16, USCmp<dods_uint32, dods_int16> >
250  (_buf, dynamic_cast<Int16 *>(b)->_buf, op);
251  case dods_uint16_c:
252  return rops<dods_uint32, dods_uint16, Cmp<dods_uint32, dods_uint16> >
253  (_buf, dynamic_cast<UInt16 *>(b)->_buf, op);
254  case dods_int32_c:
255  return rops<dods_uint32, dods_int32, USCmp<dods_uint32, dods_int32> >
256  (_buf, dynamic_cast<Int32 *>(b)->_buf, op);
257  case dods_uint32_c:
258  return rops<dods_uint32, dods_uint32, Cmp<dods_uint32, dods_uint32> >
259  (_buf, dynamic_cast<UInt32 *>(b)->_buf, op);
260  case dods_float32_c:
261  return rops<dods_uint32, dods_float32, Cmp<dods_uint32, dods_float32> >
262  (_buf, dynamic_cast<Float32 *>(b)->_buf, op);
263  case dods_float64_c:
264  return rops<dods_uint32, dods_float64, Cmp<dods_uint32, dods_float64> >
265  (_buf, dynamic_cast<Float64 *>(b)->_buf, op);
266  default:
267  return false;
268  }
269 }
270 
279 void
280 UInt32::dump(ostream &strm) const
281 {
282  strm << DapIndent::LMarg << "UInt32::dump - ("
283  << (void *)this << ")" << endl ;
285  BaseType::dump(strm) ;
286  strm << DapIndent::LMarg << "value: " << _buf << endl ;
288 }
289 
290 } // namespace libdap
291 
virtual bool read()
Read data into a local buffer.
Definition: BaseType.cc:790
virtual bool read_p()
Has this variable been read?
Definition: BaseType.cc:444
static void UnIndent()
Definition: DapIndent.cc:49
abstract base class used to unmarshall/deserialize dap data objects
Definition: UnMarshaller.h:54
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:853
UInt32 & operator=(const UInt32 &rhs)
Definition: UInt32.cc:102
virtual void get_uint32(dods_uint32 &val)=0
virtual unsigned int buf2val(void **val)
Reads the class data.
Definition: UInt32.cc:167
UInt32(const string &n)
Definition: UInt32.cc:75
#define not_used
Definition: config.h:850
virtual dods_uint32 value() const
Definition: UInt32.cc:183
Holds an unsigned 16-bit integer.
Definition: UInt16.h:59
virtual BaseType * ptr_duplicate()
Definition: UInt32.cc:96
virtual void put_uint32(dods_uint32 val)=0
void timeout_off()
Definition: DDS.cc:687
Type type() const
Returns the type of the class instance.
Definition: BaseType.cc:238
Holds a 32-bit floating point value.
Definition: Float32.h:61
A class for software fault reporting.
Definition: InternalErr.h:64
string dataset() const
Returns the name of the dataset used to create this instance.
Definition: BaseType.cc:231
virtual bool set_value(dods_uint32 val)
Definition: UInt32.cc:189
bool eval_selection(DDS &dds, const string &dataset)
Evaluate a boolean-valued constraint expression. This is main method for the evaluator ans is called ...
Holds a 16-bit signed integer value.
Definition: Int16.h:59
static void Indent()
Definition: DapIndent.cc:43
virtual void dump(ostream &strm) const
dumps information about this object
Definition: BaseType.cc:186
virtual bool serialize(ConstraintEvaluator &eval, DDS &dds, Marshaller &m, bool ce_eval=true)
Move data to the net.
Definition: UInt32.cc:121
uint32_t dods_uint32
dods_uint32 _buf
Definition: UInt32.h:76
virtual void set_read_p(bool state)
Sets the value of the read_p property.
Definition: BaseType.cc:483
virtual bool deserialize(UnMarshaller &um, DDS *dds, bool reuse=false)
Receive data from the net.
Definition: UInt32.cc:142
virtual void print_val(FILE *out, string space="", bool print_decl_p=true)
Prints the value of the variable.
Definition: UInt32.cc:199
void timeout_on()
Definition: DDS.cc:679
Evaluate a constraint expression.
static ostream & LMarg(ostream &strm)
Definition: DapIndent.cc:78
virtual unsigned int width()
Returns the size of the class instance data.
Definition: UInt32.cc:115
The basic data type for the DODS DAP types.
Definition: BaseType.h:190
abstract base class used to marshal/serialize dap data objects
Definition: Marshaller.h:53
Holds a 64-bit (double precision) floating point value.
Definition: Float64.h:62
Holds a single byte.
Definition: Byte.h:63
virtual void dump(ostream &strm) const
dumps information about this object
Definition: UInt32.cc:280
virtual unsigned int val2buf(void *val, bool reuse=false)
Loads class data.
Definition: UInt32.cc:150
Holds a 32-bit unsigned integer.
Definition: UInt32.h:61
virtual bool ops(BaseType *b, int op)
Evaluate relational operators.
Definition: UInt32.cc:222
Holds a 32-bit signed integer.
Definition: Int32.h:62