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 20518 2009-03-05 23:39:46Z jimg $"
00041     };
00042 
00043 #include "UInt32.h"
00044 #include "DDS.h"
00045 #include "util.h"
00046 #include "parser.h"
00047 #include "Operators.h"
00048 #include "dods-limits.h"
00049 #include "debug.h"
00050 #include "InternalErr.h"
00051 
00052 using std::cerr;
00053 using std::endl;
00054 
00055 namespace libdap {
00056 
00062 UInt32::UInt32(const string &n)
00063         : BaseType(n, dods_uint32_c)
00064 {}
00065 
00073 UInt32::UInt32(const string &n, const string &d)
00074         : BaseType(n, d, dods_uint32_c)
00075 {}
00076 
00077 UInt32::UInt32(const UInt32 &copy_from) : BaseType(copy_from)
00078 {
00079     _buf = copy_from._buf;
00080 }
00081 
00082 BaseType *
00083 UInt32::ptr_duplicate()
00084 {
00085     return new UInt32(*this);
00086 }
00087 
00088 UInt32 &
00089 UInt32::operator=(const UInt32 &rhs)
00090 {
00091     if (this == &rhs)
00092         return *this;
00093 
00094     dynamic_cast<BaseType &>(*this) = rhs;
00095 
00096     _buf = rhs._buf;
00097 
00098     return *this;
00099 }
00100 
00101 unsigned int
00102 UInt32::width()
00103 {
00104     return sizeof(dods_uint32);
00105 }
00106 
00107 bool
00108 UInt32::serialize(ConstraintEvaluator &eval, DDS &dds,
00109                   Marshaller &m, bool ce_eval)
00110 {
00111     dds.timeout_on();
00112 
00113     if (!read_p())
00114         read();  // read() throws Error and InternalErr
00115 
00116 #if EVAL
00117     if (ce_eval && !eval.eval_selection(dds, dataset()))
00118         return true;
00119 #endif
00120 
00121     dds.timeout_off();
00122 
00123     m.put_uint32( _buf ) ;
00124 
00125     return true;
00126 }
00127 
00128 bool
00129 UInt32::deserialize(UnMarshaller &um, DDS *, bool)
00130 {
00131     um.get_uint32( _buf ) ;
00132 
00133     return false;
00134 }
00135 
00136 unsigned int
00137 UInt32::val2buf(void *val, bool)
00138 {
00139 
00140     // Jose Garcia
00141     // This method is public therefore and I believe it has being designed
00142     // to be use by read which must be implemented on the surrogated library,
00143     // thus if the pointer val is NULL, is an Internal Error.
00144     if (!val)
00145         throw InternalErr(__FILE__, __LINE__,
00146                           "The incoming pointer does not contain any data.");
00147 
00148     _buf = *(dods_uint32 *)val;
00149 
00150     return width();
00151 }
00152 
00153 unsigned int
00154 UInt32::buf2val(void **val)
00155 {
00156     // Jose Garcia
00157     // The same comment justifying throwing an Error in val2buf applies here.
00158     if (!val)
00159         throw InternalErr(__FILE__, __LINE__, "NULL pointer.");
00160 
00161     if (!*val)
00162         *val = new dods_uint32;
00163 
00164     *(dods_uint32 *)*val = _buf;
00165 
00166     return width();
00167 }
00168 
00169 dods_uint32
00170 UInt32::value() const
00171 {
00172     return _buf;
00173 }
00174 
00175 bool
00176 UInt32::set_value(dods_uint32 i)
00177 {
00178     _buf = i;
00179     set_read_p(true);
00180 
00181     return true;
00182 }
00183 //#if FILE_METHODS
00184 void
00185 UInt32::print_val(FILE *out, string space, bool print_decl_p)
00186 {
00187     if (print_decl_p) {
00188         print_decl(out, space, false);
00189         fprintf(out, " = %u;\n", (unsigned int)_buf) ;
00190     }
00191     else
00192         fprintf(out, "%u", (unsigned int)_buf) ;
00193 }
00194 //#endif
00195 void
00196 UInt32::print_val(ostream &out, string space, bool print_decl_p)
00197 {
00198     if (print_decl_p) {
00199         print_decl(out, space, false);
00200         out << " = " << (unsigned int)_buf << ";\n" ;
00201     }
00202     else
00203         out << (unsigned int)_buf ;
00204 }
00205 
00206 bool
00207 UInt32::ops(BaseType *b, int op)
00208 {
00209     // Extract the Byte arg's value.
00210     if (!read_p() && !read()) {
00211         // Jose Garcia
00212         // Since the read method is virtual and implemented outside
00213         // libdap++ if we cannot read the data that is the problem
00214         // of the user or of whoever wrote the surrogate library
00215         // implemeting read therefore it is an internal error.
00216         throw InternalErr(__FILE__, __LINE__, "This value was not read!");
00217     }
00218 
00219     // Extract the second arg's value.
00220     if (!b || !b->read_p() && !b->read()) {
00221         // Jose Garcia
00222         // Since the read method is virtual and implemented outside
00223         // libdap++ if we cannot read the data that is the problem
00224         // of the user or of whoever wrote the surrogate library
00225         // implemeting read therefore it is an internal error.
00226         throw InternalErr(__FILE__, __LINE__, "This value was not read!");
00227     }
00228 
00229     switch (b->type()) {
00230     case dods_byte_c:
00231         return rops<dods_uint32, dods_byte, Cmp<dods_uint32, dods_byte> >
00232                (_buf, dynamic_cast<Byte *>(b)->_buf, op);
00233     case dods_int16_c:
00234         return rops<dods_uint32, dods_int16, USCmp<dods_uint32, dods_int16> >
00235                (_buf, dynamic_cast<Int16 *>(b)->_buf, op);
00236     case dods_uint16_c:
00237         return rops<dods_uint32, dods_uint16, Cmp<dods_uint32, dods_uint16> >
00238                (_buf, dynamic_cast<UInt16 *>(b)->_buf, op);
00239     case dods_int32_c:
00240         return rops<dods_uint32, dods_int32, USCmp<dods_uint32, dods_int32> >
00241                (_buf, dynamic_cast<Int32 *>(b)->_buf, op);
00242     case dods_uint32_c:
00243         return rops<dods_uint32, dods_uint32, Cmp<dods_uint32, dods_uint32> >
00244                (_buf, dynamic_cast<UInt32 *>(b)->_buf, op);
00245     case dods_float32_c:
00246         return rops<dods_uint32, dods_float32, Cmp<dods_uint32, dods_float32> >
00247                (_buf, dynamic_cast<Float32 *>(b)->_buf, op);
00248     case dods_float64_c:
00249         return rops<dods_uint32, dods_float64, Cmp<dods_uint32, dods_float64> >
00250                (_buf, dynamic_cast<Float64 *>(b)->_buf, op);
00251     default:
00252         return false;
00253     }
00254 }
00255 
00264 void
00265 UInt32::dump(ostream &strm) const
00266 {
00267     strm << DapIndent::LMarg << "UInt32::dump - ("
00268     << (void *)this << ")" << endl ;
00269     DapIndent::Indent() ;
00270     BaseType::dump(strm) ;
00271     strm << DapIndent::LMarg << "value: " << _buf << endl ;
00272     DapIndent::UnIndent() ;
00273 }
00274 
00275 } // namespace libdap
00276 

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