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// -*- mode: c++; c-basic-offset:4 -*-
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// This file is part of libdap, A C++ implementation of the OPeNDAP Data
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// Access Protocol.
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// Copyright (c) 2002,2003 OPeNDAP, Inc.
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// Author: James Gallagher <jgallagher@opendap.org>
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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//
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// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
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// (c) COPYRIGHT URI/MIT 1996-1999
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// Please read the full copyright statement in the file COPYRIGHT_URI.
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//
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// Authors:
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// jhrg,jimg James Gallagher <jgallagher@gso.uri.edu>
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// Implementation for Int32.
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//
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// jhrg 9/7/94
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#include "config.h"
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#include <sstream>
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#include "Byte.h" // synonymous with UInt8 and Char
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#include "Int8.h"
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#include "Int16.h"
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#include "UInt16.h"
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#include "Int32.h"
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#include "UInt32.h"
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#include "Int64.h"
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#include "UInt64.h"
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#include "Float32.h"
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#include "Float64.h"
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#include "Str.h"
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#include "Url.h"
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#include "DDS.h"
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#include "Marshaller.h"
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#include "UnMarshaller.h"
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#include "DMR.h"
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#include "D4StreamMarshaller.h"
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#include "D4StreamUnMarshaller.h"
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#include "util.h"
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#include "parser.h"
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#include "Operators.h"
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#include "dods-limits.h"
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#include "debug.h"
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#include "InternalErr.h"
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using std::cerr;
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using std::endl;
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namespace libdap {
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/** The Int16 constructor accepts the name of the variable to be created.
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@param n A string containing the name of the variable to be created.
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*/
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Int16::Int16(const string &n) : BaseType(n, dods_int16_c), d_buf(0)
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{}
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/** The Int16 server-side constructor accepts the name of the variable and
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the dataset name from which this instance is created.
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@param n A string containing the name of the variable to be created.
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@param d A string containing the name of the dataset from which this
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variable is created
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*/
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Int16::Int16(const string &n, const string &d) : BaseType(n, d, dods_int16_c), d_buf(0)
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{}
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Int16::Int16(const Int16 ©_from) : BaseType(copy_from)
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{
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d_buf = copy_from.d_buf;
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}
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BaseType *
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Int16::ptr_duplicate()
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{
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return new Int16(*this);
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}
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Int16 &
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Int16::operator=(const Int16 &rhs)
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{
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if (this == &rhs)
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return *this;
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dynamic_cast<BaseType &>(*this) = rhs;
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d_buf = rhs.d_buf;
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return *this;
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}
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unsigned int
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Int16::width(bool) const
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{
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return sizeof(dods_int16);
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}
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bool
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Int16::serialize(ConstraintEvaluator &eval, DDS &dds, Marshaller &m, bool ce_eval)
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{
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#if USE_LOCAL_TIMEOUT_SCHEME
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dds.timeout_on();
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#endif
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if (!read_p())
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read(); // read() throws Error and InternalErr
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if (ce_eval && !eval.eval_selection(dds, dataset()))
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return true;
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#if USE_LOCAL_TIMEOUT_SCHEME
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dds.timeout_off();
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#endif
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m.put_int16( d_buf ) ;
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return true;
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}
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bool
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Int16::deserialize(UnMarshaller &um, DDS *, bool)
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{
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um.get_int16( d_buf ) ;
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return false;
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}
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void
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Int16::compute_checksum(Crc32 &checksum)
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{
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checksum.AddData(reinterpret_cast<uint8_t*>(&d_buf), sizeof(d_buf));
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}
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/**
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* @brief Serialize an Int8
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* @param m
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* @param dmr Unused
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* @param eval Unused
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* @param filter Unused
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* @exception Error is thrown if the value needs to be read and that operation fails.
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*/
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void
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Int16::serialize(D4StreamMarshaller &m, DMR &, /*ConstraintEvaluator &,*/ bool)
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{
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if (!read_p())
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read(); // read() throws Error
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m.put_int16( d_buf ) ;
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}
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void
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Int16::deserialize(D4StreamUnMarshaller &um, DMR &)
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{
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um.get_int16( d_buf ) ;
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}
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unsigned int
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Int16::val2buf(void *val, bool)
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{
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// Jose Garcia
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// This method is public therefore and I believe it has being designed
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// to be use by read which must be implemented on the surrogated library,
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// thus if the pointer val is NULL, is an Internal Error.
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if (!val)
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throw InternalErr(__FILE__, __LINE__,
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"The incoming pointer does not contain any data.");
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d_buf = *(dods_int16 *)val;
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return width();
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}
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unsigned int
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Int16::buf2val(void **val)
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{
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// Jose Garcia
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// The same comment justifying throwing an Error in val2buf applies here.
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if (!val)
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throw InternalErr(__FILE__, __LINE__, "NULL pointer.");
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if (!*val)
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*val = new dods_int16;
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*(dods_int16 *)*val = d_buf;
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return width();
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}
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dods_int16
|
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Int16::value() const
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{
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return d_buf;
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}
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bool
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Int16::set_value(dods_int16 i)
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{
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d_buf = i;
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set_read_p(true);
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return true;
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}
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void
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Int16::print_val(FILE *out, string space, bool print_decl_p)
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{
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ostringstream oss;
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print_val(oss, space, print_decl_p);
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fwrite(oss.str().data(), sizeof(char), oss.str().length(), out);
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}
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void
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Int16::print_val(ostream &out, string space, bool print_decl_p)
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{
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if (print_decl_p) {
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print_decl(out, space, false);
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out << " = " << d_buf << ";\n" ;
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}
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else
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out << d_buf ;
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}
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bool
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Int16::ops(BaseType *b, int op)
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{
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// Extract the Byte arg's value.
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if (!read_p() && !read()) {
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// Jose Garcia
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|
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// Since the read method is virtual and implemented outside
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|
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// libdap++ if we cannot read the data that is the problem
|
|
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// of the user or of whoever wrote the surrogate library
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|
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// implemeting read therefore it is an internal error.
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|
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throw InternalErr(__FILE__, __LINE__, "This value not read!");
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|
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}
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|
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// Extract the second arg's value.
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if (!b || !(b->read_p() || b->read())) {
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|
Packit |
a4aae4 |
// Jose Garcia
|
|
Packit |
a4aae4 |
// Since the read method is virtual and implemented outside
|
|
Packit |
a4aae4 |
// libdap++ if we cannot read the data that is the problem
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a4aae4 |
// of the user or of whoever wrote the surrogate library
|
|
Packit |
a4aae4 |
// implemeting read therefore it is an internal error.
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|
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throw InternalErr(__FILE__, __LINE__, "This value not read!");
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a4aae4 |
}
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return d4_ops(b, op);
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}
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a4aae4 |
|
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a4aae4 |
/**
|
|
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a4aae4 |
* @see BaseType::d4_ops(BaseType *, int)
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*/
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|
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bool Int16::d4_ops(BaseType *b, int op)
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|
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{
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a4aae4 |
switch (b->type()) {
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case dods_int8_c:
|
|
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a4aae4 |
return Cmp<dods_int16, dods_int8>(op, d_buf, static_cast<Int8*>(b)->value());
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|
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case dods_byte_c:
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|
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a4aae4 |
return SUCmp<dods_int16, dods_byte>(op, d_buf, static_cast<Byte*>(b)->value());
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|
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a4aae4 |
case dods_int16_c:
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|
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a4aae4 |
return Cmp<dods_int16, dods_int16>(op, d_buf, static_cast<Int16*>(b)->value());
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|
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a4aae4 |
case dods_uint16_c:
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|
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a4aae4 |
return SUCmp<dods_int16, dods_uint16>(op, d_buf, static_cast<UInt16*>(b)->value());
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|
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a4aae4 |
case dods_int32_c:
|
|
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a4aae4 |
return Cmp<dods_int16, dods_int32>(op, d_buf, static_cast<Int32*>(b)->value());
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|
Packit |
a4aae4 |
case dods_uint32_c:
|
|
Packit |
a4aae4 |
return SUCmp<dods_int16, dods_uint32>(op, d_buf, static_cast<UInt32*>(b)->value());
|
|
Packit |
a4aae4 |
case dods_int64_c:
|
|
Packit |
a4aae4 |
return Cmp<dods_int16, dods_int64>(op, d_buf, static_cast<Int64*>(b)->value());
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|
Packit |
a4aae4 |
case dods_uint64_c:
|
|
Packit |
a4aae4 |
return SUCmp<dods_int16, dods_uint64>(op, d_buf, static_cast<UInt64*>(b)->value());
|
|
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a4aae4 |
case dods_float32_c:
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return Cmp<dods_int16, dods_float32>(op, d_buf, static_cast<Float32*>(b)->value());
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a4aae4 |
case dods_float64_c:
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a4aae4 |
return Cmp<dods_int16, dods_float64>(op, d_buf, static_cast<Float64*>(b)->value());
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case dods_str_c:
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|
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case dods_url_c:
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|
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throw Error(malformed_expr, "Relational operators can only compare compatible types (number, string).");
|
|
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default:
|
|
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a4aae4 |
throw Error(malformed_expr, "Relational operators only work with scalar types.");
|
|
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}
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|
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a4aae4 |
}
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a4aae4 |
|
|
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a4aae4 |
/** @brief dumps information about this object
|
|
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*
|
|
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* Displays the pointer value of this instance and information about this
|
|
Packit |
a4aae4 |
* instance.
|
|
Packit |
a4aae4 |
*
|
|
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a4aae4 |
* @param strm C++ i/o stream to dump the information to
|
|
Packit |
a4aae4 |
* @return void
|
|
Packit |
a4aae4 |
*/
|
|
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a4aae4 |
void
|
|
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Int16::dump(ostream &strm) const
|
|
Packit |
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{
|
|
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a4aae4 |
strm << DapIndent::LMarg << "Int16::dump - ("
|
|
Packit |
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<< (void *)this << ")" << endl ;
|
|
Packit |
a4aae4 |
DapIndent::Indent() ;
|
|
Packit |
a4aae4 |
BaseType::dump(strm) ;
|
|
Packit |
a4aae4 |
strm << DapIndent::LMarg << "value: " << d_buf << endl ;
|
|
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a4aae4 |
DapIndent::UnIndent() ;
|
|
Packit |
a4aae4 |
}
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a4aae4 |
|
|
Packit |
a4aae4 |
} // namespace libdap
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Packit |
a4aae4 |
|