libdap Updated for version 3.20.11
libdap4 is an implementation of OPeNDAP's DAP protocol.
Int64.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 1994-1999
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 Int64.
33//
34// jhrg 9/7/94
35
36
37#include "config.h"
38
39#include <cassert>
40#include <sstream>
41
42#include "Byte.h" // synonymous with UInt8 and Char
43#include "Int8.h"
44#include "Int16.h"
45#include "UInt16.h"
46#include "Int32.h"
47#include "UInt32.h"
48#include "Int64.h"
49#include "UInt64.h"
50#include "Float32.h"
51#include "Float64.h"
52#include "Str.h"
53#include "Url.h"
54
55#if 0
56#include "Array.h"
57#include "Structure.h"
58#include "Sequence.h"
59#include "Grid.h"
60#endif
61
62#include "DMR.h"
63#include "D4StreamMarshaller.h"
64#include "D4StreamUnMarshaller.h"
65
66#include "util.h"
67#include "parser.h"
68#include "Operators.h"
69#include "dods-limits.h"
70#include "debug.h"
71#include "InternalErr.h"
72#include "DapIndent.h"
73
74using std::cerr;
75using std::endl;
76
77namespace libdap {
78
89Int64::Int64(const string &n) : BaseType(n, dods_int64_c, true /*is_dap4*/), d_buf(0)
90{}
91
102Int64::Int64(const string &n, const string &d) : BaseType(n, d, dods_int64_c, true /*is_dap4*/), d_buf(0)
103{}
104
105Int64::Int64(const Int64 &copy_from) : BaseType(copy_from)
106{
107 d_buf = copy_from.d_buf;
108}
109
110BaseType *
112{
113 return new Int64(*this);
114}
115
116Int64::~Int64()
117{
118 DBG(cerr << "~Int64" << endl);
119}
120
121Int64 &
122Int64::operator=(const Int64 &rhs)
123{
124 if (this == &rhs)
125 return *this;
126 BaseType::operator=(rhs);
127 d_buf = rhs.d_buf;
128 return *this;
129}
130
131unsigned int
132Int64::width(bool) const
133{
134 return sizeof(dods_int64);
135}
136
137void
139{
140 checksum.AddData(reinterpret_cast<uint8_t*>(&d_buf), sizeof(d_buf));
141}
142
151void
152Int64::serialize(D4StreamMarshaller &m, DMR &, /*ConstraintEvaluator &,*/ bool)
153{
154 if (!read_p())
155 read(); // read() throws Error
156
157 m.put_int64( d_buf ) ;
158}
159
160void
162{
163 um.get_int64( d_buf ) ;
164}
165
166dods_int64
167Int64::value() const
168{
169 return d_buf;
170}
171
172bool
173Int64::set_value(dods_int64 i)
174{
175 d_buf = i;
176 set_read_p(true);
177
178 return true;
179}
180
181unsigned int
182Int64::buf2val(void **val)
183{
184 if (!val)
185 throw InternalErr(__FILE__, __LINE__, "NULL pointer.");
186
187 if (!*val)
188 *val = new dods_int64;
189
190 *(dods_int64 *)*val = d_buf;
191
192 return width();
193}
194void Int64::print_val(ostream &out, string space, bool print_decl_p)
195{
196 if (print_decl_p) {
197 print_decl(out, space, false);
198 out << " = " << d_buf << ";\n";
199 }
200 else
201 out << d_buf;
202}
203
204bool
206{
207 // Get the arg's value.
208 if (!read_p() && !read())
209 throw InternalErr(__FILE__, __LINE__, "This value not read!");
210
211 // Get the second arg's value.
212 if (!b || !(b->read_p() || b->read()))
213 throw InternalErr(__FILE__, __LINE__, "This value not read!");
214
215 return d4_ops(b, op);
216}
217
221bool Int64::d4_ops(BaseType *b, int op)
222{
223 switch (b->type()) {
224 case dods_int8_c:
225 return Cmp<dods_int64, dods_int8>(op, d_buf, static_cast<Int8*>(b)->value());
226 case dods_byte_c:
227 return Cmp<dods_int64, dods_byte>(op, d_buf, static_cast<Byte*>(b)->value());
228 case dods_int16_c:
229 return Cmp<dods_int64, dods_int16>(op, d_buf, static_cast<Int16*>(b)->value());
230 case dods_uint16_c:
231 return Cmp<dods_int64, dods_uint16>(op, d_buf, static_cast<UInt16*>(b)->value());
232 case dods_int32_c:
233 return Cmp<dods_int64, dods_int32>(op, d_buf, static_cast<Int32*>(b)->value());
234 case dods_uint32_c:
235 return Cmp<dods_int64, dods_uint32>(op, d_buf, static_cast<UInt32*>(b)->value());
236 case dods_int64_c:
237 return Cmp<dods_int64, dods_int64>(op, d_buf, static_cast<Int64*>(b)->value());
238 case dods_uint64_c:
239 return Cmp<dods_int64, dods_uint64>(op, d_buf, static_cast<UInt64*>(b)->value());
240 case dods_float32_c:
241 return Cmp<dods_int64, dods_float32>(op, d_buf, static_cast<Float32*>(b)->value());
242 case dods_float64_c:
243 return Cmp<dods_int64, dods_float64>(op, d_buf, static_cast<Float64*>(b)->value());
244 case dods_str_c:
245 case dods_url_c:
246 throw Error(malformed_expr, "Relational operators can only compare compatible types (number, string).");
247 default:
248 throw Error(malformed_expr, "Relational operators only work with scalar types.");
249 }
250}
251
258vector<BaseType *> *
260{
261#if 0
262 BaseType *dest = this->ptr_duplicate();
263 // convert the d4 attributes to a dap2 attribute table.
264 AttrTable *attrs = this->attributes()->get_AttrTable();
265 attrs->set_name(name());
266 dest->set_attr_table(*attrs);
267 dest->set_is_dap4(false);
268 // attrs->print(cerr,"",true);
269 return dest;
270#endif
271
272 return NULL;
273}
274
283void
284Int64::dump(ostream &strm) const
285{
286 strm << DapIndent::LMarg << "Int64::dump - ("
287 << (void *)this << ")" << endl ;
288 DapIndent::Indent() ;
289 BaseType::dump(strm) ;
290 strm << DapIndent::LMarg << "value: " << d_buf << endl ;
291 DapIndent::UnIndent() ;
292}
293
294} // namespace libdap
295
Definition: crc.h:77
void AddData(const uint8_t *pData, const uint32_t length)
Definition: crc.h:98
Contains the attributes for a dataset.
Definition: AttrTable.h:143
virtual void set_name(const string &n)
Set the name of this attribute table.
Definition: AttrTable.cc:245
The basic data type for the DODS DAP types.
Definition: BaseType.h:118
virtual bool read()
Read data into a local buffer.
Definition: BaseType.cc:895
virtual string name() const
Returns the name of the class instance.
Definition: BaseType.cc:316
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:999
virtual bool read_p()
Has this variable been read?
Definition: BaseType.cc:476
virtual void set_read_p(bool state)
Sets the value of the read_p property.
Definition: BaseType.cc:512
virtual void set_attr_table(const AttrTable &at)
Definition: BaseType.cc:586
void dump(ostream &strm) const override
dumps information about this object
Definition: BaseType.cc:287
virtual D4Attributes * attributes()
Definition: BaseType.cc:595
virtual Type type() const
Returns the type of the class instance.
Definition: BaseType.cc:361
Holds a single byte.
Definition: Byte.h:61
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.
A class for error processing.
Definition: Error.h:94
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
virtual unsigned int width(bool constrained=false) const
How many bytes does this variable use Return the number of bytes of storage this variable uses....
Definition: Int64.cc:132
Int64(const string &n)
Definition: Int64.cc:89
virtual void serialize(D4StreamMarshaller &m, DMR &dmr, bool filter=false)
Serialize an Int8.
Definition: Int64.cc:152
virtual BaseType * ptr_duplicate()
Definition: Int64.cc:111
virtual void dump(ostream &strm) const
dumps information about this object
Definition: Int64.cc:284
virtual bool ops(BaseType *b, int op)
Evaluate relational operators.
Definition: Int64.cc:205
virtual void deserialize(D4StreamUnMarshaller &um, DMR &dmr)
Definition: Int64.cc:161
virtual void compute_checksum(Crc32 &checksum)
include the data for this variable in the checksum DAP4 includes a checksum with every data response....
Definition: Int64.cc:138
virtual bool d4_ops(BaseType *b, int op)
Definition: Int64.cc:221
virtual std::vector< BaseType * > * transform_to_dap2(AttrTable *parent_attr_table)
DAP4 to DAP2 transform.
Definition: Int64.cc:259
Holds an 8-bit signed integer value.
Definition: Int8.h:43
A class for software fault reporting.
Definition: InternalErr.h:65
Holds an unsigned 16-bit integer.
Definition: UInt16.h:58
Holds a 32-bit unsigned integer.
Definition: UInt32.h:60
Holds a 64-bit unsigned integer.
Definition: UInt64.h:50
top level DAP object to house generic methods
Definition: AlarmHandler.h:36