UInt32.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 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 "Float32.h"
#include "Float64.h"
#include "Int16.h"
#include "Int32.h"
#include "Int64.h"
#include "Int8.h"
#include "Str.h"
#include "UInt16.h"
#include "UInt32.h"
#include "UInt64.h"
#include "Url.h"
#include "DDS.h"
#include "Marshaller.h"
#include "UnMarshaller.h"
#include "D4StreamMarshaller.h"
#include "D4StreamUnMarshaller.h"
#include "DMR.h"
#include "DapIndent.h"
#include "InternalErr.h"
#include "Operators.h"
#include "debug.h"
#include "dods-limits.h"
#include "parser.h"
#include "util.h"
using std::cerr;
using std::endl;
namespace libdap {
UInt32::UInt32(const string &n) : BaseType(n, dods_uint32_c), d_buf(0) {}
UInt32::UInt32(const string &n, const string &d) : BaseType(n, d, dods_uint32_c), d_buf(0) {}
UInt32::UInt32(const UInt32 &copy_from) : BaseType(copy_from) { d_buf = copy_from.d_buf; }
BaseType *UInt32::ptr_duplicate() { return new UInt32(*this); }
UInt32 &UInt32::operator=(const UInt32 &rhs) {
if (this == &rhs)
return *this;
BaseType::operator=(rhs);
d_buf = rhs.d_buf;
return *this;
}
bool UInt32::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_uint32(d_buf);
return true;
}
bool UInt32::deserialize(UnMarshaller &um, DDS *, bool) {
um.get_uint32(d_buf);
return false;
}
void UInt32::compute_checksum(Crc32 &checksum) { checksum.AddData(reinterpret_cast<uint8_t *>(&d_buf), sizeof(d_buf)); }
void UInt32::serialize(D4StreamMarshaller &m, DMR &, /*ConstraintEvaluator &,*/ bool) {
if (!read_p())
read(); // read() throws Error
m.put_uint32(d_buf);
}
void UInt32::deserialize(D4StreamUnMarshaller &um, DMR &) { um.get_uint32(d_buf); }
unsigned int UInt32::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_uint32 *)val;
return width();
}
unsigned int UInt32::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_uint32;
*(dods_uint32 *)*val = d_buf;
return width();
}
dods_uint32 UInt32::value() const { return d_buf; }
bool UInt32::set_value(dods_uint32 i) {
d_buf = i;
set_read_p(true);
return true;
}
void UInt32::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 UInt32::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 UInt32::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 Cmp<dods_uint32, dods_int8>(op, d_buf, static_cast<Int8 *>(b)->value());
case dods_byte_c:
return Cmp<dods_uint32, dods_byte>(op, d_buf, static_cast<Byte *>(b)->value());
case dods_int16_c:
return Cmp<dods_uint32, dods_int16>(op, d_buf, static_cast<Int16 *>(b)->value());
case dods_uint16_c:
return Cmp<dods_uint32, dods_uint16>(op, d_buf, static_cast<UInt16 *>(b)->value());
case dods_int32_c:
return Cmp<dods_uint32, dods_int32>(op, d_buf, static_cast<Int32 *>(b)->value());
case dods_uint32_c:
return Cmp<dods_uint32, dods_uint32>(op, d_buf, static_cast<UInt32 *>(b)->value());
case dods_int64_c:
return Cmp<dods_uint32, dods_int64>(op, d_buf, static_cast<Int64 *>(b)->value());
case dods_uint64_c:
return Cmp<dods_uint32, dods_uint64>(op, d_buf, static_cast<UInt64 *>(b)->value());
case dods_float32_c:
return Cmp<dods_uint32, dods_float32>(op, d_buf, static_cast<Float32 *>(b)->value());
case dods_float64_c:
return Cmp<dods_uint32, dods_float64>(op, d_buf, static_cast<Float64 *>(b)->value());
default:
return false;
}
}
void UInt32::dump(ostream &strm) const {
strm << DapIndent::LMarg << "UInt32::dump - (" << (void *)this << ")" << endl;
DapIndent::Indent();
BaseType::dump(strm);
strm << DapIndent::LMarg << "value: " << d_buf << endl;
DapIndent::UnIndent();
}
} // namespace libdap
Crc32
Definition crc.h:45
Crc32::AddData
void AddData(const uint8_t *pData, const uint32_t length)
Definition crc.h:66
libdap::BaseType
The basic data type for the DODS DAP types.
Definition BaseType.h:118
libdap::BaseType::read
virtual bool read()
Read data into a local buffer.
Definition BaseType.cc:775
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:868
libdap::BaseType::read_p
virtual bool read_p()
Has this variable been read?
Definition BaseType.cc:410
libdap::BaseType::set_read_p
virtual void set_read_p(bool state)
Sets the value of the read_p property.
Definition BaseType.cc:442
libdap::BaseType::dataset
virtual string dataset() const
Returns the name of the dataset used to create this instance.
Definition BaseType.cc:326
libdap::BaseType::dump
void dump(ostream &strm) const override
dumps information about this object
Definition BaseType.cc:269
libdap::BaseType::type
virtual Type type() const
Returns the type of the class instance.
Definition BaseType.cc:329
libdap::Byte
Holds a single byte.
Definition Byte.h:59
libdap::ConstraintEvaluator
Evaluate a constraint expression.
Definition ConstraintEvaluator.h:41
libdap::ConstraintEvaluator::eval_selection
bool eval_selection(DDS &dds, const std::string &dataset)
Evaluate a boolean-valued constraint expression. This is main method for the evaluator and is called ...
Definition ConstraintEvaluator.cc:300
libdap::D4StreamMarshaller
Marshaller that knows how to marshal/serialize dap data objects to a C++ iostream using DAP4's receiv...
Definition D4StreamMarshaller.h:71
libdap::D4StreamUnMarshaller
Read data from the stream made by D4StreamMarshaller.
Definition D4StreamUnMarshaller.h:65
libdap::DDS
Definition DDS.h:176
libdap::DMR
Definition DMR.h:56
libdap::Float32
Holds a 32-bit floating point value.
Definition Float32.h:59
libdap::Float64
Holds a 64-bit (double precision) floating point value.
Definition Float64.h:58
libdap::Int16
Holds a 16-bit signed integer value.
Definition Int16.h:57
libdap::Int32
Holds a 32-bit signed integer.
Definition Int32.h:63
libdap::Int64
Holds a64-bit signed integer.
Definition Int64.h:48
libdap::Int8
Holds an 8-bit signed integer value.
Definition Int8.h:41
libdap::InternalErr
A class for software fault reporting.
Definition InternalErr.h:61
libdap::Marshaller
abstract base class used to marshal/serialize dap data objects
Definition Marshaller.h:50
libdap::UInt16
Holds an unsigned 16-bit integer.
Definition UInt16.h:55
libdap::UInt32
Holds a 32-bit unsigned integer.
Definition UInt32.h:57
libdap::UInt32::UInt32
UInt32(const string &n)
Definition UInt32.cc:79
libdap::UInt32::ptr_duplicate
BaseType * ptr_duplicate() override
Definition UInt32.cc:92
libdap::UInt32::compute_checksum
void compute_checksum(Crc32 &checksum) override
include the data for this variable in the checksum DAP4 includes a checksum with every data response....
Definition UInt32.cc:125
libdap::UInt32::deserialize
bool deserialize(UnMarshaller &um, DDS *dds, bool reuse=false) override
Receive data from the net.
Definition UInt32.cc:119
libdap::UInt32::ops
bool ops(BaseType *b, int op) override
Evaluate relational operators.
Definition UInt32.cc:195
libdap::UInt32::dump
void dump(ostream &strm) const override
dumps information about this object
Definition UInt32.cc:250
libdap::UInt32::width
unsigned int width(bool=false) const override
How many bytes does this variable use Return the number of bytes of storage this variable uses....
Definition UInt32.h:72
libdap::UInt32::serialize
bool serialize(ConstraintEvaluator &eval, DDS &dds, Marshaller &m, bool ce_eval=true) override
Move data to the net, then remove them from the object.
Definition UInt32.cc:102
libdap::UInt32::print_val
void print_val(FILE *out, string space="", bool print_decl_p=true) override
Prints the value of the variable.
Definition UInt32.cc:181
libdap::UInt32::buf2val
unsigned int buf2val(void **val) override
Reads the class data.
Definition UInt32.cc:158
libdap::UInt32::val2buf
unsigned int val2buf(void *val, bool reuse=false) override
Loads class data.
Definition UInt32.cc:144
libdap::UInt64
Holds a 64-bit unsigned integer.
Definition UInt64.h:47
libdap::UnMarshaller
abstract base class used to unmarshall/deserialize dap data objects
Definition UnMarshaller.h:53
libdap
top level DAP object to house generic methods
Definition AlarmHandler.h:35