// -*- 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 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 UInt16 constructor accepts the name of the variable to be created.
@param n A string containing the name of the variable to be created.
*/
UInt16::UInt16(const string &n) : BaseType(n, dods_uint16_c), d_buf(0)
{}
/** The UInt16 server-side constructor accepts the name of the variable to
be created 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
*/
UInt16::UInt16(const string &n, const string &d) : BaseType(n, d, dods_uint16_c), d_buf(0)
{}
UInt16::UInt16(const UInt16 ©_from) : BaseType(copy_from)
{
d_buf = copy_from.d_buf;
}
BaseType *
UInt16::ptr_duplicate()
{
return new UInt16(*this);
}
UInt16 &
UInt16::operator=(const UInt16 &rhs)
{
if (this == &rhs)
return *this;
dynamic_cast<BaseType &>(*this) = rhs;
d_buf = rhs.d_buf;
return *this;
}
unsigned int
UInt16::width(bool) const
{
return sizeof(dods_uint16);
}
bool
UInt16::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_uint16( d_buf ) ;
return true;
}
bool
UInt16::deserialize(UnMarshaller &um, DDS *, bool)
{
um.get_uint16( d_buf ) ;
return false;
}
void
UInt16::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
UInt16::serialize(D4StreamMarshaller &m, DMR &, /*ConstraintEvaluator &,*/ bool)
{
if (!read_p())
read(); // read() throws Error
m.put_uint16( d_buf ) ;
}
void
UInt16::deserialize(D4StreamUnMarshaller &um, DMR &)
{
um.get_uint16( d_buf ) ;
}
unsigned int
UInt16::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_uint16 *)val;
return width();
}
unsigned int
UInt16::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_uint16;
*(dods_uint16 *)*val = d_buf;
return width();
}
dods_uint16
UInt16::value() const
{
return d_buf;
}
bool
UInt16::set_value(dods_uint16 i)
{
d_buf = i;
set_read_p(true);
return true;
}
void
UInt16::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
UInt16::print_val(ostream &out, string space, bool print_decl_p)
{
if (print_decl_p) {
print_decl(out, space, false);
out << " = " << (unsigned int)d_buf << ";\n" ;
}
else
out << (unsigned int)d_buf ;
}
bool
UInt16::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 was 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 was not read!");
}
switch (b->type()) {
case dods_int8_c:
return USCmp<dods_uint16, dods_int8>(op, d_buf, static_cast<Int8*>(b)->value());
case dods_byte_c:
return Cmp<dods_uint16, dods_byte>(op, d_buf, static_cast<Byte*>(b)->value());
case dods_int16_c:
return USCmp<dods_uint16, dods_int16>(op, d_buf, static_cast<Int16*>(b)->value());
case dods_uint16_c:
return Cmp<dods_uint16, dods_uint16>(op, d_buf, static_cast<UInt16*>(b)->value());
case dods_int32_c:
return USCmp<dods_uint16, dods_int32>(op, d_buf, static_cast<Int32*>(b)->value());
case dods_uint32_c:
return Cmp<dods_uint16, dods_uint32>(op, d_buf, static_cast<UInt32*>(b)->value());
case dods_int64_c:
return USCmp<dods_uint16, dods_int64>(op, d_buf, static_cast<Int64*>(b)->value());
case dods_uint64_c:
return Cmp<dods_uint16, dods_uint64>(op, d_buf, static_cast<UInt64*>(b)->value());
case dods_float32_c:
return USCmp<dods_uint16, dods_float32>(op, d_buf, static_cast<Float32*>(b)->value());
case dods_float64_c:
return USCmp<dods_uint16, dods_float64>(op, d_buf, static_cast<Float64*>(b)->value());
default:
return false;
}
}
/** @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
UInt16::dump(ostream &strm) const
{
strm << DapIndent::LMarg << "UInt16::dump - ("
<< (void *)this << ")" << endl ;
DapIndent::Indent() ;
BaseType::dump(strm) ;
strm << DapIndent::LMarg << "value: " << d_buf << endl ;
DapIndent::UnIndent() ;
}
} // namespace libdap