libdap++  Updated for version 3.13.1
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., 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 
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  d_buf = copy_from.d_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  d_buf = rhs.d_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( d_buf ) ;
136 
137  return true;
138 }
139 
140 bool
142 {
143  um.get_uint16( d_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  d_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 = d_buf;
176 
177  return width();
178 }
179 
182 {
183  return d_buf;
184 }
185 
186 bool
188 {
189  d_buf = i;
190  set_read_p(true);
191 
192  return true;
193 }
194 
195 void
196 UInt16::print_val(FILE *out, string space, bool print_decl_p)
197 {
198  ostringstream oss;
199  print_val(oss, space, print_decl_p);
200  fwrite(oss.str().data(), sizeof(char), oss.str().length(), out);
201 }
202 
203 void
204 UInt16::print_val(ostream &out, string space, bool print_decl_p)
205 {
206  if (print_decl_p) {
207  print_decl(out, space, false);
208  out << " = " << (unsigned int)d_buf << ";\n" ;
209  }
210  else
211  out << (unsigned int)d_buf ;
212 }
213 
214 bool
216 {
217  // Extract the Byte arg's value.
218  if (!read_p() && !read()) {
219  // Jose Garcia
220  // Since the read method is virtual and implemented outside
221  // libdap++ if we cannot read the data that is the problem
222  // of the user or of whoever wrote the surrogate library
223  // implemeting read therefore it is an internal error.
224  throw InternalErr(__FILE__, __LINE__, "This value was not read!");
225  }
226 
227  // Extract the second arg's value.
228  if (!b || !(b->read_p() || b->read())) {
229  // Jose Garcia
230  // Since the read method is virtual and implemented outside
231  // libdap++ if we cannot read the data that is the problem
232  // of the user or of whoever wrote the surrogate library
233  // implemeting read therefore it is an internal error.
234  throw InternalErr(__FILE__, __LINE__, "This value was not read!");
235  }
236 
237  switch (b->type()) {
238  case dods_int8_c:
239  return USCmp<dods_uint16, dods_int8>(op, d_buf, static_cast<Int8*>(b)->value());
240  case dods_byte_c:
241  return Cmp<dods_uint16, dods_byte>(op, d_buf, static_cast<Byte*>(b)->value());
242  case dods_int16_c:
243  return USCmp<dods_uint16, dods_int16>(op, d_buf, static_cast<Int16*>(b)->value());
244  case dods_uint16_c:
245  return Cmp<dods_uint16, dods_uint16>(op, d_buf, static_cast<UInt16*>(b)->value());
246  case dods_int32_c:
247  return USCmp<dods_uint16, dods_int32>(op, d_buf, static_cast<Int32*>(b)->value());
248  case dods_uint32_c:
249  return Cmp<dods_uint16, dods_uint32>(op, d_buf, static_cast<UInt32*>(b)->value());
250  case dods_int64_c:
251  return USCmp<dods_uint16, dods_int64>(op, d_buf, static_cast<Int64*>(b)->value());
252  case dods_uint64_c:
253  return Cmp<dods_uint16, dods_uint64>(op, d_buf, static_cast<UInt64*>(b)->value());
254  case dods_float32_c:
255  return USCmp<dods_uint16, dods_float32>(op, d_buf, static_cast<Float32*>(b)->value());
256  case dods_float64_c:
257  return USCmp<dods_uint16, dods_float64>(op, d_buf, static_cast<Float64*>(b)->value());
258  default:
259  return false;
260  }
261 }
262 
271 void
272 UInt16::dump(ostream &strm) const
273 {
274  strm << DapIndent::LMarg << "UInt16::dump - ("
275  << (void *)this << ")" << endl ;
277  BaseType::dump(strm) ;
278  strm << DapIndent::LMarg << "value: " << d_buf << endl ;
280 }
281 
282 } // namespace libdap
283 
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
virtual void dump(ostream &strm) const
dumps information about this object
Definition: UInt16.cc:272
Holds an unsigned 16-bit integer.
Definition: UInt16.h:57
virtual dods_uint16 value() const
Definition: UInt16.cc:181
UInt16(const string &n)
Definition: UInt16.cc:74
void timeout_off()
Definition: DDS.cc:862
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
uint16_t dods_uint16
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
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:57
static void Indent()
Definition: DapIndent.cc:45
virtual void put_uint16(dods_uint16 val)=0
virtual void dump(ostream &strm) const
dumps information about this object
Definition: BaseType.cc:230
virtual void set_read_p(bool state)
Sets the value of the read_p property.
Definition: BaseType.cc:618
virtual bool ops(BaseType *b, int op)
Evaluate relational operators.
Definition: UInt16.cc:215
Holds a 64-bit unsigned integer.
Definition: UInt64.h:49
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:854
Evaluate a constraint expression.
virtual unsigned int width(bool constrained=false)
Definition: UInt16.cc:114
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 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:196
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
dods_uint16 d_buf
Definition: UInt16.h:60
Holds a 32-bit unsigned integer.
Definition: UInt32.h:59
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:64
virtual void get_uint16(dods_uint16 &val)=0
virtual BaseType * ptr_duplicate()
Definition: UInt16.cc:95