libdap++  Updated for version 3.8.2
UInt16.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: UInt16.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 
74 UInt16::UInt16(const string &n)
76 {}
77 
85 UInt16::UInt16(const string &n, const string &d)
86  : BaseType(n, d, dods_uint16_c)
87 {}
88 
89 UInt16::UInt16(const UInt16 &copy_from) : BaseType(copy_from)
90 {
91  _buf = copy_from._buf;
92 }
93 
94 BaseType *
96 {
97  return new UInt16(*this);
98 }
99 
100 UInt16 &
102 {
103  if (this == &rhs)
104  return *this;
105 
106  dynamic_cast<BaseType &>(*this) = rhs;
107 
108  _buf = rhs._buf;
109 
110  return *this;
111 }
112 
113 unsigned int
115 {
116  return sizeof(dods_uint16);
117 }
118 
119 bool
121  Marshaller &m, bool ce_eval)
122 {
123  dds.timeout_on();
124 
125  if (!read_p())
126  read(); // read() throws Error and InternalErr
127 
128 #if EVAL
129  if (ce_eval && !eval.eval_selection(dds, dataset()))
130  return true;
131 #endif
132 
133  dds.timeout_off();
134 
135  m.put_uint16( _buf ) ;
136 
137  return true;
138 }
139 
140 bool
142 {
143  um.get_uint16( _buf ) ;
144 
145  return false;
146 }
147 
148 unsigned int
149 UInt16::val2buf(void *val, bool)
150 {
151  // Jose Garcia
152  // This method is public therefore and I believe it has being designed
153  // to be use by read which must be implemented on the surrogated library,
154  // thus if the pointer val is NULL, is an Internal Error.
155  if (!val)
156  throw InternalErr(__FILE__, __LINE__,
157  "The incoming pointer does not contain any data.");
158 
159  _buf = *(dods_uint16 *)val;
160 
161  return width();
162 }
163 
164 unsigned int
165 UInt16::buf2val(void **val)
166 {
167  // Jose Garcia
168  // The same comment justifying throwing an Error in val2buf applies here.
169  if (!val)
170  throw InternalErr(__FILE__, __LINE__, "NULL pointer.");
171 
172  if (!*val)
173  *val = new dods_uint16;
174 
175  *(dods_uint16 *)*val = _buf;
176 
177  return width();
178 }
179 
182 {
183  return _buf;
184 }
185 
186 bool
188 {
189  _buf = i;
190  set_read_p(true);
191 
192  return true;
193 }
194 
195 #if FILE_METHODS
196 void
197 UInt16::print_val(FILE *out, string space, bool print_decl_p)
198 {
199  if (print_decl_p) {
200  print_decl(out, space, false);
201  fprintf(out, " = %u;\n", (unsigned int)_buf) ;
202  }
203  else
204  fprintf(out, "%u", (unsigned int)_buf) ;
205 }
206 #endif
207 
208 void
209 UInt16::print_val(ostream &out, string space, bool print_decl_p)
210 {
211  if (print_decl_p) {
212  print_decl(out, space, false);
213  out << " = " << (unsigned int)_buf << ";\n" ;
214  }
215  else
216  out << (unsigned int)_buf ;
217 }
218 
219 bool
221 {
222  // Extract the Byte arg's value.
223  if (!read_p() && !read()) {
224  // Jose Garcia
225  // Since the read method is virtual and implemented outside
226  // libdap++ if we cannot read the data that is the problem
227  // of the user or of whoever wrote the surrogate library
228  // implemeting read therefore it is an internal error.
229  throw InternalErr(__FILE__, __LINE__, "This value was not read!");
230  }
231 
232  // Extract the second arg's value.
233  if (!b || !(b->read_p() || b->read())) {
234  // Jose Garcia
235  // Since the read method is virtual and implemented outside
236  // libdap++ if we cannot read the data that is the problem
237  // of the user or of whoever wrote the surrogate library
238  // implemeting read therefore it is an internal error.
239  throw InternalErr(__FILE__, __LINE__, "This value was not read!");
240  }
241 
242  switch (b->type()) {
243  case dods_byte_c:
244  return rops<dods_uint16, dods_byte, Cmp<dods_uint16, dods_byte> >
245  (_buf, dynamic_cast<Byte *>(b)->_buf, op);
246  case dods_int16_c:
247  return rops<dods_uint16, dods_int16, USCmp<dods_uint16, dods_int16> >
248  (_buf, dynamic_cast<Int16 *>(b)->_buf, op);
249  case dods_uint16_c:
250  return rops<dods_uint16, dods_uint16, Cmp<dods_uint16, dods_uint16> >
251  (_buf, dynamic_cast<UInt16 *>(b)->_buf, op);
252  case dods_int32_c:
253  return rops<dods_uint16, dods_int32, USCmp<dods_uint16, dods_int32> >
254  (_buf, dynamic_cast<Int32 *>(b)->_buf, op);
255  case dods_uint32_c:
256  return rops<dods_uint16, dods_uint32, Cmp<dods_uint16, dods_uint32> >
257  (_buf, dynamic_cast<UInt32 *>(b)->_buf, op);
258  case dods_float32_c:
259  return rops<dods_uint16, dods_float32, Cmp<dods_uint16, dods_float32> >
260  (_buf, dynamic_cast<Float32 *>(b)->_buf, op);
261  case dods_float64_c:
262  return rops<dods_uint16, dods_float64, Cmp<dods_uint16, dods_float64> >
263  (_buf, dynamic_cast<Float64 *>(b)->_buf, op);
264  default:
265  return false;
266  }
267 }
268 
277 void
278 UInt16::dump(ostream &strm) const
279 {
280  strm << DapIndent::LMarg << "UInt16::dump - ("
281  << (void *)this << ")" << endl ;
283  BaseType::dump(strm) ;
284  strm << DapIndent::LMarg << "value: " << _buf << endl ;
286 }
287 
288 } // namespace libdap
289 
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
virtual void dump(ostream &strm) const
dumps information about this object
Definition: BaseType.cc:186
#define not_used
Definition: config.h:521
Holds an unsigned 16-bit integer.
Definition: UInt16.h:59
UInt16(const string &n)
Definition: UInt16.cc:74
void timeout_off()
Definition: DDS.cc:823
Holds a 32-bit floating point value.
Definition: Float32.h:61
uint16_t dods_uint16
A class for software fault reporting.
Definition: InternalErr.h:64
bool eval_selection(DDS &dds, const string &dataset)
Evaluate a boolean-valued constraint expression. This is main method for the evaluator ans is called ...
UInt16 & operator=(const UInt16 &rhs)
Definition: UInt16.cc:101
Holds a 16-bit signed integer value.
Definition: Int16.h:59
static void Indent()
Definition: DapIndent.cc:43
virtual void put_uint16(dods_uint16 val)=0
Type type() const
Returns the type of the class instance.
Definition: BaseType.cc:238
virtual unsigned int width()
Returns the size of the class instance data.
Definition: UInt16.cc:114
virtual void set_read_p(bool state)
Sets the value of the read_p property.
Definition: BaseType.cc:483
virtual bool ops(BaseType *b, int op)
Evaluate relational operators.
Definition: UInt16.cc:220
dods_uint16 _buf
Definition: UInt16.h:74
virtual bool deserialize(UnMarshaller &um, DDS *dds, bool reuse=false)
Receive data from the net.
Definition: UInt16.cc:141
void timeout_on()
Definition: DDS.cc:815
Evaluate a constraint expression.
static ostream & LMarg(ostream &strm)
Definition: DapIndent.cc:78
virtual dods_uint16 value() const
Definition: UInt16.cc:181
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: UInt16.cc:278
virtual unsigned int buf2val(void **val)
Reads the class data.
Definition: UInt16.cc:165
virtual void print_val(FILE *out, string space="", bool print_decl_p=true)
Prints the value of the variable.
Definition: UInt16.cc:197
virtual bool set_value(dods_uint16 val)
Definition: UInt16.cc:187
virtual bool serialize(ConstraintEvaluator &eval, DDS &dds, Marshaller &m, bool ce_eval=true)
Move data to the net.
Definition: UInt16.cc:120
Holds a 32-bit unsigned integer.
Definition: UInt32.h:61
virtual unsigned int val2buf(void *val, bool reuse=false)
Loads class data.
Definition: UInt16.cc:149
Holds a 32-bit signed integer.
Definition: Int32.h:62
virtual void get_uint16(dods_uint16 &val)=0
string dataset() const
Returns the name of the dataset used to create this instance.
Definition: BaseType.cc:231
virtual BaseType * ptr_duplicate()
Definition: UInt16.cc:95