libdap Updated for version 3.20.9
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
127 dynamic_cast<BaseType &>(*this) = rhs;
128
129 d_buf = rhs.d_buf;
130
131 return *this;
132}
133
134unsigned int
135Int64::width(bool) const
136{
137 return sizeof(dods_int64);
138}
139
140void
142{
143 checksum.AddData(reinterpret_cast<uint8_t*>(&d_buf), sizeof(d_buf));
144}
145
154void
155Int64::serialize(D4StreamMarshaller &m, DMR &, /*ConstraintEvaluator &,*/ bool)
156{
157 if (!read_p())
158 read(); // read() throws Error
159
160 m.put_int64( d_buf ) ;
161}
162
163void
165{
166 um.get_int64( d_buf ) ;
167}
168
169dods_int64
170Int64::value() const
171{
172 return d_buf;
173}
174
175bool
176Int64::set_value(dods_int64 i)
177{
178 d_buf = i;
179 set_read_p(true);
180
181 return true;
182}
183
184unsigned int
185Int64::buf2val(void **val)
186{
187 if (!val)
188 throw InternalErr(__FILE__, __LINE__, "NULL pointer.");
189
190 if (!*val)
191 *val = new dods_int64;
192
193 *(dods_int64 *)*val = d_buf;
194
195 return width();
196}
197void Int64::print_val(ostream &out, string space, bool print_decl_p)
198{
199 if (print_decl_p) {
200 print_decl(out, space, false);
201 out << " = " << d_buf << ";\n";
202 }
203 else
204 out << d_buf;
205}
206
207bool
209{
210 // Get the arg's value.
211 if (!read_p() && !read())
212 throw InternalErr(__FILE__, __LINE__, "This value not read!");
213
214 // Get the second arg's value.
215 if (!b || !(b->read_p() || b->read()))
216 throw InternalErr(__FILE__, __LINE__, "This value not read!");
217
218 return d4_ops(b, op);
219}
220
224bool Int64::d4_ops(BaseType *b, int op)
225{
226 switch (b->type()) {
227 case dods_int8_c:
228 return Cmp<dods_int64, dods_int8>(op, d_buf, static_cast<Int8*>(b)->value());
229 case dods_byte_c:
230 return Cmp<dods_int64, dods_byte>(op, d_buf, static_cast<Byte*>(b)->value());
231 case dods_int16_c:
232 return Cmp<dods_int64, dods_int16>(op, d_buf, static_cast<Int16*>(b)->value());
233 case dods_uint16_c:
234 return Cmp<dods_int64, dods_uint16>(op, d_buf, static_cast<UInt16*>(b)->value());
235 case dods_int32_c:
236 return Cmp<dods_int64, dods_int32>(op, d_buf, static_cast<Int32*>(b)->value());
237 case dods_uint32_c:
238 return Cmp<dods_int64, dods_uint32>(op, d_buf, static_cast<UInt32*>(b)->value());
239 case dods_int64_c:
240 return Cmp<dods_int64, dods_int64>(op, d_buf, static_cast<Int64*>(b)->value());
241 case dods_uint64_c:
242 return Cmp<dods_int64, dods_uint64>(op, d_buf, static_cast<UInt64*>(b)->value());
243 case dods_float32_c:
244 return Cmp<dods_int64, dods_float32>(op, d_buf, static_cast<Float32*>(b)->value());
245 case dods_float64_c:
246 return Cmp<dods_int64, dods_float64>(op, d_buf, static_cast<Float64*>(b)->value());
247 case dods_str_c:
248 case dods_url_c:
249 throw Error(malformed_expr, "Relational operators can only compare compatible types (number, string).");
250 default:
251 throw Error(malformed_expr, "Relational operators only work with scalar types.");
252 }
253}
254
261vector<BaseType *> *
263{
264#if 0
265 BaseType *dest = this->ptr_duplicate();
266 // convert the d4 attributes to a dap2 attribute table.
267 AttrTable *attrs = this->attributes()->get_AttrTable();
268 attrs->set_name(name());
269 dest->set_attr_table(*attrs);
270 dest->set_is_dap4(false);
271 // attrs->print(cerr,"",true);
272 return dest;
273#endif
274
275 return NULL;
276}
277
286void
287Int64::dump(ostream &strm) const
288{
289 strm << DapIndent::LMarg << "Int64::dump - ("
290 << (void *)this << ")" << endl ;
291 DapIndent::Indent() ;
292 BaseType::dump(strm) ;
293 strm << DapIndent::LMarg << "value: " << d_buf << endl ;
294 DapIndent::UnIndent() ;
295}
296
297} // namespace libdap
298
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:899
virtual string name() const
Returns the name of the class instance.
Definition: BaseType.cc:320
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:1003
virtual bool read_p()
Has this variable been read?
Definition: BaseType.cc:480
virtual void set_read_p(bool state)
Sets the value of the read_p property.
Definition: BaseType.cc:516
virtual void set_attr_table(const AttrTable &at)
Definition: BaseType.cc:590
virtual D4Attributes * attributes()
Definition: BaseType.cc:599
virtual void dump(ostream &strm) const
dumps information about this object
Definition: BaseType.cc:291
BaseType(const string &n, const Type &t, bool is_dap4=false)
The BaseType constructor.
Definition: BaseType.cc:126
virtual Type type() const
Returns the type of the class instance.
Definition: BaseType.cc:365
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:135
Int64(const string &n)
Definition: Int64.cc:89
virtual void serialize(D4StreamMarshaller &m, DMR &dmr, bool filter=false)
Serialize an Int8.
Definition: Int64.cc:155
virtual BaseType * ptr_duplicate()
Definition: Int64.cc:111
virtual void dump(ostream &strm) const
dumps information about this object
Definition: Int64.cc:287
virtual bool ops(BaseType *b, int op)
Evaluate relational operators.
Definition: Int64.cc:208
virtual void deserialize(D4StreamUnMarshaller &um, DMR &dmr)
Definition: Int64.cc:164
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:141
virtual bool d4_ops(BaseType *b, int op)
Definition: Int64.cc:224
virtual std::vector< BaseType * > * transform_to_dap2(AttrTable *parent_attr_table)
DAP4 to DAP2 transform.
Definition: Int64.cc:262
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