libdap++  Updated for version 3.13.3
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., 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 "Marshaller.h"
55 #include "UnMarshaller.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  d_buf = copy_from.d_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  d_buf = rhs.d_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( d_buf ) ;
137 
138  return true;
139 }
140 
141 bool
143 {
144  um.get_uint32( d_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  d_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 = d_buf;
178 
179  return width();
180 }
181 
184 {
185  return d_buf;
186 }
187 
188 bool
190 {
191  d_buf = i;
192  set_read_p(true);
193 
194  return true;
195 }
196 
197 void
198 UInt32::print_val(FILE *out, string space, bool print_decl_p)
199 {
200  ostringstream oss;
201  print_val(oss, space, print_decl_p);
202  fwrite(oss.str().data(), sizeof(char), oss.str().length(), out);
203 }
204 
205 void
206 UInt32::print_val(ostream &out, string space, bool print_decl_p)
207 {
208  if (print_decl_p) {
209  print_decl(out, space, false);
210  out << " = " << (unsigned int)d_buf << ";\n" ;
211  }
212  else
213  out << (unsigned int)d_buf ;
214 }
215 
216 bool
218 {
219  // Extract the Byte arg's value.
220  if (!read_p() && !read()) {
221  // Jose Garcia
222  // Since the read method is virtual and implemented outside
223  // libdap++ if we cannot read the data that is the problem
224  // of the user or of whoever wrote the surrogate library
225  // implemeting read therefore it is an internal error.
226  throw InternalErr(__FILE__, __LINE__, "This value was not read!");
227  }
228 
229  // Extract the second arg's value.
230  if (!b || !(b->read_p() || b->read())) {
231  // Jose Garcia
232  // Since the read method is virtual and implemented outside
233  // libdap++ if we cannot read the data that is the problem
234  // of the user or of whoever wrote the surrogate library
235  // implemeting read therefore it is an internal error.
236  throw InternalErr(__FILE__, __LINE__, "This value was not read!");
237  }
238 
239  switch (b->type()) {
240  case dods_int8_c:
241  return USCmp<dods_uint32, dods_int8>(op, d_buf, static_cast<Int8*>(b)->value());
242  case dods_byte_c:
243  return Cmp<dods_uint32, dods_byte>(op, d_buf, static_cast<Byte*>(b)->value());
244  case dods_int16_c:
245  return USCmp<dods_uint32, dods_int16>(op, d_buf, static_cast<Int16*>(b)->value());
246  case dods_uint16_c:
247  return Cmp<dods_uint32, dods_uint16>(op, d_buf, static_cast<UInt16*>(b)->value());
248  case dods_int32_c:
249  return USCmp<dods_uint32, dods_int32>(op, d_buf, static_cast<Int32*>(b)->value());
250  case dods_uint32_c:
251  return Cmp<dods_uint32, dods_uint32>(op, d_buf, static_cast<UInt32*>(b)->value());
252  case dods_int64_c:
253  return USCmp<dods_uint32, dods_int64>(op, d_buf, static_cast<Int64*>(b)->value());
254  case dods_uint64_c:
255  return Cmp<dods_uint32, dods_uint64>(op, d_buf, static_cast<UInt64*>(b)->value());
256  case dods_float32_c:
257  return USCmp<dods_uint32, dods_float32>(op, d_buf, static_cast<Float32*>(b)->value());
258  case dods_float64_c:
259  return USCmp<dods_uint32, dods_float64>(op, d_buf, static_cast<Float64*>(b)->value());
260  default:
261  return false;
262  }
263 }
264 
273 void
274 UInt32::dump(ostream &strm) const
275 {
276  strm << DapIndent::LMarg << "UInt32::dump - ("
277  << (void *)this << ")" << endl ;
279  BaseType::dump(strm) ;
280  strm << DapIndent::LMarg << "value: " << d_buf << endl ;
282 }
283 
284 } // namespace libdap
285 
virtual bool read()
Read data into a local buffer.
Definition: BaseType.cc:923
Holds a 16-bit signed integer value.
Definition: Int8.h:42
Holds a64-bit signed integer.
Definition: Int64.h:49
virtual bool read_p()
Has this variable been read?
Definition: BaseType.cc:579
static void UnIndent()
Definition: DapIndent.cc:51
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:985
dods_uint32 d_buf
Definition: UInt32.h:62
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
virtual dods_uint32 value() const
Definition: UInt32.cc:183
Holds an unsigned 16-bit integer.
Definition: UInt16.h:57
virtual BaseType * ptr_duplicate()
Definition: UInt32.cc:96
virtual void put_uint32(dods_uint32 val)=0
void timeout_off()
Definition: DDS.cc:862
virtual unsigned int width(bool constrained=false)
Definition: UInt32.cc:115
Type type() const
Returns the type of the class instance.
Definition: BaseType.cc:282
Holds a 32-bit floating point value.
Definition: Float32.h:59
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:275
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:57
static void Indent()
Definition: DapIndent.cc:45
virtual void dump(ostream &strm) const
dumps information about this object
Definition: BaseType.cc:230
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
virtual void set_read_p(bool state)
Sets the value of the read_p property.
Definition: BaseType.cc:618
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:198
Holds a 64-bit unsigned integer.
Definition: UInt64.h:49
void timeout_on()
Definition: DDS.cc:854
Evaluate a constraint expression.
static ostream & LMarg(ostream &strm)
Definition: DapIndent.cc:80
The basic data type for the DODS DAP types.
Definition: BaseType.h:199
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:60
Holds a single byte.
Definition: Byte.h:60
virtual void dump(ostream &strm) const
dumps information about this object
Definition: UInt32.cc:274
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:59
virtual bool ops(BaseType *b, int op)
Evaluate relational operators.
Definition: UInt32.cc:217
Holds a 32-bit signed integer.
Definition: Int32.h:64