1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324
|
// -*- mode: c++; c-basic-offset:4 -*-
// This file is part of libdap, A C++ implementation of the OPeNDAP Data
// Access Protocol.
// Copyright (c) 2002,2003 OPeNDAP, Inc.
// Author: James Gallagher <jgallagher@opendap.org>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
// (c) COPYRIGHT URI/MIT 1996-1999
// Please read the full copyright statement in the file COPYRIGHT_URI.
//
// Authors:
// jhrg,jimg James Gallagher <jgallagher@gso.uri.edu>
// Implementation for Int32.
//
// jhrg 9/7/94
#include "config.h"
#include <sstream>
#include "Byte.h" // synonymous with UInt8 and Char
#include "Int8.h"
#include "Int16.h"
#include "UInt16.h"
#include "Int32.h"
#include "UInt32.h"
#include "Int64.h"
#include "UInt64.h"
#include "Float32.h"
#include "Float64.h"
#include "Str.h"
#include "Url.h"
#include "DDS.h"
#include "Marshaller.h"
#include "UnMarshaller.h"
#include "DMR.h"
#include "D4StreamMarshaller.h"
#include "D4StreamUnMarshaller.h"
#include "util.h"
#include "parser.h"
#include "Operators.h"
#include "dods-limits.h"
#include "debug.h"
#include "InternalErr.h"
using std::cerr;
using std::endl;
namespace libdap {
/** The Int16 constructor accepts the name of the variable to be created.
@param n A string containing the name of the variable to be created.
*/
Int16::Int16(const string &n) : BaseType(n, dods_int16_c), d_buf(0)
{}
/** The Int16 server-side constructor accepts the name of the variable and
the dataset name from which this instance is created.
@param n A string containing the name of the variable to be created.
@param d A string containing the name of the dataset from which this
variable is created
*/
Int16::Int16(const string &n, const string &d) : BaseType(n, d, dods_int16_c), d_buf(0)
{}
Int16::Int16(const Int16 ©_from) : BaseType(copy_from)
{
d_buf = copy_from.d_buf;
}
BaseType *
Int16::ptr_duplicate()
{
return new Int16(*this);
}
Int16 &
Int16::operator=(const Int16 &rhs)
{
if (this == &rhs)
return *this;
dynamic_cast<BaseType &>(*this) = rhs;
d_buf = rhs.d_buf;
return *this;
}
unsigned int
Int16::width(bool) const
{
return sizeof(dods_int16);
}
bool
Int16::serialize(ConstraintEvaluator &eval, DDS &dds, Marshaller &m, bool ce_eval)
{
#if USE_LOCAL_TIMEOUT_SCHEME
dds.timeout_on();
#endif
if (!read_p())
read(); // read() throws Error and InternalErr
if (ce_eval && !eval.eval_selection(dds, dataset()))
return true;
#if USE_LOCAL_TIMEOUT_SCHEME
dds.timeout_off();
#endif
m.put_int16( d_buf ) ;
return true;
}
bool
Int16::deserialize(UnMarshaller &um, DDS *, bool)
{
um.get_int16( d_buf ) ;
return false;
}
void
Int16::compute_checksum(Crc32 &checksum)
{
checksum.AddData(reinterpret_cast<uint8_t*>(&d_buf), sizeof(d_buf));
}
/**
* @brief Serialize an Int8
* @param m
* @param dmr Unused
* @param eval Unused
* @param filter Unused
* @exception Error is thrown if the value needs to be read and that operation fails.
*/
void
Int16::serialize(D4StreamMarshaller &m, DMR &, /*ConstraintEvaluator &,*/ bool)
{
if (!read_p())
read(); // read() throws Error
m.put_int16( d_buf ) ;
}
void
Int16::deserialize(D4StreamUnMarshaller &um, DMR &)
{
um.get_int16( d_buf ) ;
}
unsigned int
Int16::val2buf(void *val, bool)
{
// Jose Garcia
// This method is public therefore and I believe it has being designed
// to be use by read which must be implemented on the surrogated library,
// thus if the pointer val is NULL, is an Internal Error.
if (!val)
throw InternalErr(__FILE__, __LINE__,
"The incoming pointer does not contain any data.");
d_buf = *(dods_int16 *)val;
return width();
}
unsigned int
Int16::buf2val(void **val)
{
// Jose Garcia
// The same comment justifying throwing an Error in val2buf applies here.
if (!val)
throw InternalErr(__FILE__, __LINE__, "NULL pointer.");
if (!*val)
*val = new dods_int16;
*(dods_int16 *)*val = d_buf;
return width();
}
dods_int16
Int16::value() const
{
return d_buf;
}
bool
Int16::set_value(dods_int16 i)
{
d_buf = i;
set_read_p(true);
return true;
}
void
Int16::print_val(FILE *out, string space, bool print_decl_p)
{
ostringstream oss;
print_val(oss, space, print_decl_p);
fwrite(oss.str().data(), sizeof(char), oss.str().length(), out);
}
void
Int16::print_val(ostream &out, string space, bool print_decl_p)
{
if (print_decl_p) {
print_decl(out, space, false);
out << " = " << d_buf << ";\n" ;
}
else
out << d_buf ;
}
bool
Int16::ops(BaseType *b, int op)
{
// Extract the Byte arg's value.
if (!read_p() && !read()) {
// Jose Garcia
// Since the read method is virtual and implemented outside
// libdap++ if we cannot read the data that is the problem
// of the user or of whoever wrote the surrogate library
// implemeting read therefore it is an internal error.
throw InternalErr(__FILE__, __LINE__, "This value not read!");
}
// Extract the second arg's value.
if (!b || !(b->read_p() || b->read())) {
// Jose Garcia
// Since the read method is virtual and implemented outside
// libdap++ if we cannot read the data that is the problem
// of the user or of whoever wrote the surrogate library
// implemeting read therefore it is an internal error.
throw InternalErr(__FILE__, __LINE__, "This value not read!");
}
return d4_ops(b, op);
}
/**
* @see BaseType::d4_ops(BaseType *, int)
*/
bool Int16::d4_ops(BaseType *b, int op)
{
switch (b->type()) {
case dods_int8_c:
return Cmp<dods_int16, dods_int8>(op, d_buf, static_cast<Int8*>(b)->value());
case dods_byte_c:
return SUCmp<dods_int16, dods_byte>(op, d_buf, static_cast<Byte*>(b)->value());
case dods_int16_c:
return Cmp<dods_int16, dods_int16>(op, d_buf, static_cast<Int16*>(b)->value());
case dods_uint16_c:
return SUCmp<dods_int16, dods_uint16>(op, d_buf, static_cast<UInt16*>(b)->value());
case dods_int32_c:
return Cmp<dods_int16, dods_int32>(op, d_buf, static_cast<Int32*>(b)->value());
case dods_uint32_c:
return SUCmp<dods_int16, dods_uint32>(op, d_buf, static_cast<UInt32*>(b)->value());
case dods_int64_c:
return Cmp<dods_int16, dods_int64>(op, d_buf, static_cast<Int64*>(b)->value());
case dods_uint64_c:
return SUCmp<dods_int16, dods_uint64>(op, d_buf, static_cast<UInt64*>(b)->value());
case dods_float32_c:
return Cmp<dods_int16, dods_float32>(op, d_buf, static_cast<Float32*>(b)->value());
case dods_float64_c:
return Cmp<dods_int16, dods_float64>(op, d_buf, static_cast<Float64*>(b)->value());
case dods_str_c:
case dods_url_c:
throw Error(malformed_expr, "Relational operators can only compare compatible types (number, string).");
default:
throw Error(malformed_expr, "Relational operators only work with scalar types.");
}
}
/** @brief dumps information about this object
*
* Displays the pointer value of this instance and information about this
* instance.
*
* @param strm C++ i/o stream to dump the information to
* @return void
*/
void
Int16::dump(ostream &strm) const
{
strm << DapIndent::LMarg << "Int16::dump - ("
<< (void *)this << ")" << endl ;
DapIndent::Indent() ;
BaseType::dump(strm) ;
strm << DapIndent::LMarg << "value: " << d_buf << endl ;
DapIndent::UnIndent() ;
}
} // namespace libdap
|