UInt32.cc

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00001 
00002 // -*- mode: c++; c-basic-offset:4 -*-
00003 
00004 // This file is part of libdap, A C++ implementation of the OPeNDAP Data
00005 // Access Protocol.
00006 
00007 // Copyright (c) 2002,2003 OPeNDAP, Inc.
00008 // Author: James Gallagher <jgallagher@opendap.org>
00009 //
00010 // This library is free software; you can redistribute it and/or
00011 // modify it under the terms of the GNU Lesser General Public
00012 // License as published by the Free Software Foundation; either
00013 // version 2.1 of the License, or (at your option) any later version.
00014 //
00015 // This library is distributed in the hope that it will be useful,
00016 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018 // Lesser General Public License for more details.
00019 //
00020 // You should have received a copy of the GNU Lesser General Public
00021 // License along with this library; if not, write to the Free Software
00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00023 //
00024 // You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
00025 
00026 // (c) COPYRIGHT URI/MIT 1999
00027 // Please read the full copyright statement in the file COPYRIGHT_URI.
00028 //
00029 // Authors:
00030 //      jhrg,jimg       James Gallagher <jgallagher@gso.uri.edu>
00031 
00032 // Implementation for Int32.
00033 //
00034 // jhrg 9/7/94
00035 
00036 
00037 #include "config.h"
00038 
00039 static char rcsid[] not_used =
00040     {"$Id: UInt32.cc 17002 2007-08-27 19:16:51Z pwest $"
00041     };
00042 
00043 #include <stdlib.h>
00044 
00045 #include "UInt32.h"
00046 #include "DDS.h"
00047 #include "util.h"
00048 #include "parser.h"
00049 //#include "ce_expr.tab.h"
00050 #include "Operators.h"
00051 #include "dods-limits.h"
00052 #include "debug.h"
00053 #include "InternalErr.h"
00054 
00055 
00056 using std::cerr;
00057 using std::endl;
00058 
00059 UInt32::UInt32(const string &n)
00060         : BaseType(n, dods_uint32_c)
00061 {}
00062 
00063 UInt32::UInt32(const UInt32 &copy_from) : BaseType(copy_from)
00064 {
00065     _buf = copy_from._buf;
00066 }
00067 
00068 BaseType *
00069 UInt32::ptr_duplicate()
00070 {
00071     return new UInt32(*this);
00072 }
00073 
00074 UInt32 &
00075 UInt32::operator=(const UInt32 &rhs)
00076 {
00077     if (this == &rhs)
00078         return *this;
00079 
00080     dynamic_cast<BaseType &>(*this) = rhs;
00081 
00082     _buf = rhs._buf;
00083 
00084     return *this;
00085 }
00086 
00087 unsigned int
00088 UInt32::width()
00089 {
00090     return sizeof(dods_uint32);
00091 }
00092 
00093 bool
00094 UInt32::serialize(const string &dataset, ConstraintEvaluator &eval, DDS &dds,
00095                   Marshaller &m, bool ce_eval)
00096 {
00097     dds.timeout_on();
00098 
00099     if (!read_p())
00100         read(dataset);  // read() throws Error and InternalErr
00101 
00102 #if EVAL
00103     if (ce_eval && !eval.eval_selection(dds, dataset))
00104         return true;
00105 #endif
00106 
00107     dds.timeout_off();
00108 
00109     m.put_uint32( _buf ) ;
00110 
00111     return true;
00112 }
00113 
00114 bool
00115 UInt32::deserialize(UnMarshaller &um, DDS *, bool)
00116 {
00117     um.get_uint32( _buf ) ;
00118 
00119     return false;
00120 }
00121 
00122 unsigned int
00123 UInt32::val2buf(void *val, bool)
00124 {
00125 
00126     // Jose Garcia
00127     // This method is public therefore and I believe it has being designed
00128     // to be use by read which must be implemented on the surrogated library,
00129     // thus if the pointer val is NULL, is an Internal Error.
00130     if (!val)
00131         throw InternalErr(__FILE__, __LINE__,
00132                           "The incoming pointer does not contain any data.");
00133 
00134     _buf = *(dods_uint32 *)val;
00135 
00136     return width();
00137 }
00138 
00139 unsigned int
00140 UInt32::buf2val(void **val)
00141 {
00142     // Jose Garcia
00143     // The same comment justifying throwing an Error in val2buf applies here.
00144     if (!val)
00145         throw InternalErr(__FILE__, __LINE__, "NULL pointer.");
00146 
00147     if (!*val)
00148         *val = new dods_uint32;
00149 
00150     *(dods_uint32 *)*val = _buf;
00151 
00152     return width();
00153 }
00154 
00155 dods_uint32
00156 UInt32::value() const
00157 {
00158     return _buf;
00159 }
00160 
00161 bool
00162 UInt32::set_value(dods_uint32 i)
00163 {
00164     _buf = i;
00165     set_read_p(true);
00166 
00167     return true;
00168 }
00169 
00170 void
00171 UInt32::print_val(FILE *out, string space, bool print_decl_p)
00172 {
00173     if (print_decl_p) {
00174         print_decl(out, space, false);
00175         fprintf(out, " = %u;\n", (unsigned int)_buf) ;
00176     }
00177     else
00178         fprintf(out, "%u", (unsigned int)_buf) ;
00179 }
00180 
00181 void
00182 UInt32::print_val(ostream &out, string space, bool print_decl_p)
00183 {
00184     if (print_decl_p) {
00185         print_decl(out, space, false);
00186         out << " = " << (unsigned int)_buf << ";\n" ;
00187     }
00188     else
00189         out << (unsigned int)_buf ;
00190 }
00191 
00192 bool
00193 UInt32::ops(BaseType *b, int op, const string &dataset)
00194 {
00195     // Extract the Byte arg's value.
00196     if (!read_p() && !read(dataset)) {
00197         // Jose Garcia
00198         // Since the read method is virtual and implemented outside
00199         // libdap++ if we can not read the data that is the problem
00200         // of the user or of whoever wrote the surrogate library
00201         // implemeting read therefore it is an internal error.
00202         throw InternalErr(__FILE__, __LINE__, "This value was not read!");
00203     }
00204 
00205     // Extract the second arg's value.
00206     if (!b->read_p() && !b->read(dataset)) {
00207         // Jose Garcia
00208         // Since the read method is virtual and implemented outside
00209         // libdap++ if we can not read the data that is the problem
00210         // of the user or of whoever wrote the surrogate library
00211         // implemeting read therefore it is an internal error.
00212         throw InternalErr(__FILE__, __LINE__, "This value was not read!");
00213     }
00214 
00215     switch (b->type()) {
00216     case dods_byte_c:
00217         return rops<dods_uint32, dods_byte, Cmp<dods_uint32, dods_byte> >
00218                (_buf, dynamic_cast<Byte *>(b)->_buf, op);
00219     case dods_int16_c:
00220         return rops<dods_uint32, dods_int16, USCmp<dods_uint32, dods_int16> >
00221                (_buf, dynamic_cast<Int16 *>(b)->_buf, op);
00222     case dods_uint16_c:
00223         return rops<dods_uint32, dods_uint16, Cmp<dods_uint32, dods_uint16> >
00224                (_buf, dynamic_cast<UInt16 *>(b)->_buf, op);
00225     case dods_int32_c:
00226         return rops<dods_uint32, dods_int32, USCmp<dods_uint32, dods_int32> >
00227                (_buf, dynamic_cast<Int32 *>(b)->_buf, op);
00228     case dods_uint32_c:
00229         return rops<dods_uint32, dods_uint32, Cmp<dods_uint32, dods_uint32> >
00230                (_buf, dynamic_cast<UInt32 *>(b)->_buf, op);
00231     case dods_float32_c:
00232         return rops<dods_uint32, dods_float32, Cmp<dods_uint32, dods_float32> >
00233                (_buf, dynamic_cast<Float32 *>(b)->_buf, op);
00234     case dods_float64_c:
00235         return rops<dods_uint32, dods_float64, Cmp<dods_uint32, dods_float64> >
00236                (_buf, dynamic_cast<Float64 *>(b)->_buf, op);
00237     default:
00238         return false;
00239     }
00240 }
00241 
00250 void
00251 UInt32::dump(ostream &strm) const
00252 {
00253     strm << DapIndent::LMarg << "UInt32::dump - ("
00254     << (void *)this << ")" << endl ;
00255     DapIndent::Indent() ;
00256     BaseType::dump(strm) ;
00257     strm << DapIndent::LMarg << "value: " << _buf << endl ;
00258     DapIndent::UnIndent() ;
00259 }
00260 

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