Int64.cc
// -*- 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 1994-1999
// Please read the full copyright statement in the file COPYRIGHT_URI.
//
// Authors:
// jhrg,jimg James Gallagher <jgallagher@gso.uri.edu>
// Implementation for Int64.
//
// jhrg 9/7/94
#include "config.h"
#include <cassert>
#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"
#if 0
#include "Array.h"
#include "Structure.h"
#include "Sequence.h"
#include "Grid.h"
#endif
#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"
#include "DapIndent.h"
using std::cerr;
using std::endl;
namespace libdap {
Int64::Int64(const string &n) : BaseType(n, dods_int64_c, true /*is_dap4*/), d_buf(0)
{}
Int64::Int64(const string &n, const string &d) : BaseType(n, d, dods_int64_c, true /*is_dap4*/), d_buf(0)
{}
Int64::Int64(const Int64 &copy_from) : BaseType(copy_from)
{
d_buf = copy_from.d_buf;
}
BaseType *
Int64::ptr_duplicate()
{
return new Int64(*this);
}
Int64::~Int64()
{
DBG(cerr << "~Int64" << endl);
}
Int64 &
Int64::operator=(const Int64 &rhs)
{
if (this == &rhs)
return *this;
dynamic_cast<BaseType &>(*this) = rhs;
d_buf = rhs.d_buf;
return *this;
}
unsigned int
Int64::width(bool) const
{
return sizeof(dods_int64);
}
void
Int64::compute_checksum(Crc32 &checksum)
{
checksum.AddData(reinterpret_cast<uint8_t*>(&d_buf), sizeof(d_buf));
}
void
Int64::serialize(D4StreamMarshaller &m, DMR &, /*ConstraintEvaluator &,*/ bool)
{
if (!read_p())
read(); // read() throws Error
m.put_int64( d_buf ) ;
}
void
Int64::deserialize(D4StreamUnMarshaller &um, DMR &)
{
um.get_int64( d_buf ) ;
}
dods_int64
Int64::value() const
{
return d_buf;
}
bool
Int64::set_value(dods_int64 i)
{
d_buf = i;
set_read_p(true);
return true;
}
void Int64::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
Int64::ops(BaseType *b, int op)
{
// Get the arg's value.
if (!read_p() && !read())
throw InternalErr(__FILE__, __LINE__, "This value not read!");
// Get the second arg's value.
if (!b || !(b->read_p() || b->read()))
throw InternalErr(__FILE__, __LINE__, "This value not read!");
return d4_ops(b, op);
}
bool Int64::d4_ops(BaseType *b, int op)
{
switch (b->type()) {
case dods_int8_c:
return Cmp<dods_int64, dods_int8>(op, d_buf, static_cast<Int8*>(b)->value());
case dods_byte_c:
return SUCmp<dods_int64, dods_byte>(op, d_buf, static_cast<Byte*>(b)->value());
case dods_int16_c:
return Cmp<dods_int64, dods_int16>(op, d_buf, static_cast<Int16*>(b)->value());
case dods_uint16_c:
return SUCmp<dods_int64, dods_uint16>(op, d_buf, static_cast<UInt16*>(b)->value());
case dods_int32_c:
return Cmp<dods_int64, dods_int32>(op, d_buf, static_cast<Int32*>(b)->value());
case dods_uint32_c:
return SUCmp<dods_int64, dods_uint32>(op, d_buf, static_cast<UInt32*>(b)->value());
case dods_int64_c:
return Cmp<dods_int64, dods_int64>(op, d_buf, static_cast<Int64*>(b)->value());
case dods_uint64_c:
return SUCmp<dods_int64, dods_uint64>(op, d_buf, static_cast<UInt64*>(b)->value());
case dods_float32_c:
return Cmp<dods_int64, dods_float32>(op, d_buf, static_cast<Float32*>(b)->value());
case dods_float64_c:
return Cmp<dods_int64, 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.");
}
}
vector<BaseType *> *
Int64::transform_to_dap2(AttrTable *)
{
#if 0
BaseType *dest = this->ptr_duplicate();
// convert the d4 attributes to a dap2 attribute table.
AttrTable *attrs = this->attributes()->get_AttrTable();
attrs->set_name(name());
dest->set_attr_table(*attrs);
dest->set_is_dap4(false);
// attrs->print(cerr,"",true);
return dest;
#endif
return NULL;
}
void
Int64::dump(ostream &strm) const
{
strm << DapIndent::LMarg << "Int64::dump - ("
<< (void *)this << ")" << endl ;
DapIndent::Indent() ;
BaseType::dump(strm) ;
strm << DapIndent::LMarg << "value: " << d_buf << endl ;
DapIndent::UnIndent() ;
}
} // namespace libdap
libdap::BaseType::set_attr_table
virtual void set_attr_table(const AttrTable &at)
Definition: BaseType.cc:590
libdap::Int64::d4_ops
virtual bool d4_ops(BaseType *b, int op)
Definition: Int64.cc:211
libdap::Int64::dump
virtual void dump(ostream &strm) const
dumps information about this object
Definition: Int64.cc:274
libdap::Int64::ptr_duplicate
virtual BaseType * ptr_duplicate()
Definition: Int64.cc:111
libdap::BaseType::name
virtual string name() const
Returns the name of the class instance.
Definition: BaseType.cc:320
libdap::BaseType::print_decl
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
libdap::Error
A class for error processing.
Definition: Error.h:92
libdap::InternalErr
A class for software fault reporting.
Definition: InternalErr.h:64
libdap::AttrTable::set_name
virtual void set_name(const string &n)
Set the name of this attribute table.
Definition: AttrTable.cc:245
libdap::BaseType::attributes
virtual D4Attributes * attributes()
Definition: BaseType.cc:599
libdap
top level DAP object to house generic methods
Definition: AlarmHandler.h:35
libdap::Int64::compute_checksum
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
libdap::Int64::width
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
libdap::BaseType::dump
virtual void dump(ostream &strm) const
dumps information about this object
Definition: BaseType.cc:291
libdap::D4StreamUnMarshaller
Read data from the stream made by D4StreamMarshaller.
Definition: D4StreamUnMarshaller.h:65
libdap::Int64::deserialize
virtual void deserialize(D4StreamUnMarshaller &um, DMR &dmr)
Definition: Int64.cc:164
libdap::BaseType::read_p
virtual bool read_p()
Has this variable been read?
Definition: BaseType.cc:480
libdap::AttrTable
Contains the attributes for a dataset.
Definition: AttrTable.h:142
libdap::BaseType::type
virtual Type type() const
Returns the type of the class instance.
Definition: BaseType.cc:365
libdap::Int64::transform_to_dap2
virtual std::vector< BaseType * > * transform_to_dap2(AttrTable *parent_attr_table)
DAP4 to DAP2 transform.
Definition: Int64.cc:249
libdap::Int64::ops
virtual bool ops(BaseType *b, int op)
Evaluate relational operators.
Definition: Int64.cc:195
libdap::BaseType::set_read_p
virtual void set_read_p(bool state)
Sets the value of the read_p property.
Definition: BaseType.cc:516
libdap::Int64::Int64
Int64(const string &n)
Definition: Int64.cc:89
Crc32::AddData
void AddData(const uint8_t *pData, const uint32_t length)
Definition: crc.h:98
libdap::DMR
Definition: DMR.h:53
libdap::BaseType::read
virtual bool read()
Read data into a local buffer.
Definition: BaseType.cc:899
libdap::Int64::serialize
virtual void serialize(D4StreamMarshaller &m, DMR &dmr, bool filter=false)
Serialize an Int8.
Definition: Int64.cc:155
libdap::Int64
Holds a64-bit signed integer.
Definition: Int64.h:49
libdap::BaseType
The basic data type for the DODS DAP types.
Definition: BaseType.h:117
Crc32
Definition: crc.h:76
libdap::D4StreamMarshaller
Marshaller that knows how to marshal/serialize dap data objects to a C++ iostream using DAP4's receiv...
Definition: D4StreamMarshaller.h:71