libdap++ Updated for version 3.8.2

Int32.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 1994-1999
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: Int32.cc 21699 2009-11-05 00:06:01Z jimg $"
00041     };
00042 
00043 #include "Byte.h"
00044 #include "Int16.h"
00045 #include "UInt16.h"
00046 #include "Int32.h"
00047 #include "UInt32.h"
00048 #include "Float32.h"
00049 #include "Float64.h"
00050 #include "Str.h"
00051 #include "Url.h"
00052 #include "Array.h"
00053 #include "Structure.h"
00054 #include "Sequence.h"
00055 #include "Grid.h"
00056 
00057 #include "DDS.h"
00058 #include "util.h"
00059 #include "parser.h"
00060 #include "Operators.h"
00061 #include "dods-limits.h"
00062 #include "debug.h"
00063 #include "InternalErr.h"
00064 
00065 
00066 using std::cerr;
00067 using std::endl;
00068 
00069 namespace libdap {
00070 
00078 Int32::Int32(const string &n)
00079         : BaseType(n, dods_int32_c)
00080 {}
00081 
00089 Int32::Int32(const string &n, const string &d)
00090         : BaseType(n, d, dods_int32_c)
00091 {}
00092 
00093 Int32::Int32(const Int32 &copy_from) : BaseType(copy_from)
00094 {
00095     _buf = copy_from._buf;
00096 }
00097 
00098 BaseType *
00099 Int32::ptr_duplicate()
00100 {
00101     return new Int32(*this);
00102 }
00103 
00104 Int32::~Int32()
00105 {
00106     DBG(cerr << "~Int32" << endl);
00107 }
00108 
00109 Int32 &
00110 Int32::operator=(const Int32 &rhs)
00111 {
00112     if (this == &rhs)
00113         return *this;
00114 
00115     dynamic_cast<BaseType &>(*this) = rhs;
00116 
00117     _buf = rhs._buf;
00118 
00119     return *this;
00120 }
00121 
00122 unsigned int
00123 Int32::width()
00124 {
00125     return sizeof(dods_int32);
00126 }
00127 
00128 bool
00129 Int32::serialize(ConstraintEvaluator &eval, DDS &dds,
00130                  Marshaller &m, bool ce_eval)
00131 {
00132     dds.timeout_on();
00133 
00134     if (!read_p())
00135         read();  // read() throws Error and InternalErr
00136 
00137 #if EVAL
00138     if (ce_eval && !eval.eval_selection(dds, dataset()))
00139         return true;
00140 #endif
00141 
00142     dds.timeout_off();
00143 
00144     m.put_int32( _buf ) ;
00145 
00146     return true;
00147 }
00148 
00149 bool
00150 Int32::deserialize(UnMarshaller &um, DDS *, bool)
00151 {
00152     um.get_int32( _buf ) ;
00153 
00154     return false;
00155 }
00156 
00157 unsigned int
00158 Int32::val2buf(void *val, bool)
00159 {
00160     // Jose Garcia
00161     // This method is public therefore and I believe it has being designed
00162     // to be use by read which must be implemented on the surrogated library,
00163     // thus if the pointer val is NULL, is an Internal Error.
00164     if (!val)
00165         throw InternalErr(__FILE__, __LINE__,
00166                           "The incoming pointer does not contain any data.");
00167 
00168     _buf = *(dods_int32 *)val;
00169 
00170     return width();
00171 }
00172 
00173 unsigned int
00174 Int32::buf2val(void **val)
00175 {
00176     // Jose Garcia
00177     // The same comment justifying throwing an Error in val2buf applies here.
00178     if (!val)
00179         throw InternalErr(__FILE__, __LINE__, "NULL pointer.");
00180 
00181     if (!*val)
00182         *val = new dods_int32;
00183 
00184     *(dods_int32 *)*val = _buf;
00185 
00186     return width();
00187 }
00188 
00189 dods_int32
00190 Int32::value() const
00191 {
00192     return _buf;
00193 }
00194 
00195 bool
00196 Int32::set_value(dods_int32 i)
00197 {
00198     _buf = i;
00199     set_read_p(true);
00200 
00201     return true;
00202 }
00203 
00204 #if FILE_METHODS
00205 void
00206 Int32::print_val(FILE *out, string space, bool print_decl_p)
00207 {
00208     if (print_decl_p) {
00209         print_decl(out, space, false);
00210         fprintf(out, " = %d;\n", (int)_buf) ;
00211     }
00212     else
00213         fprintf(out, "%d", (int)_buf) ;
00214 }
00215 #endif
00216 
00217 void
00218 Int32::print_val(ostream &out, string space, bool print_decl_p)
00219 {
00220     if (print_decl_p) {
00221         print_decl(out, space, false);
00222         out << " = " << (int)_buf << ";\n" ;
00223     }
00224     else
00225         out << (int)_buf ;
00226 }
00227 
00228 bool
00229 Int32::ops(BaseType *b, int op)
00230 {
00231 
00232     // Extract the Byte arg's value.
00233     if (!read_p() && !read()) {
00234         // Jose Garcia
00235         // Since the read method is virtual and implemented outside
00236         // libdap++ if we cannot read the data that is the problem
00237         // of the user or of whoever wrote the surrogate library
00238         // implemeting read therefore it is an internal error.
00239         throw InternalErr(__FILE__, __LINE__, "This value not read!");
00240     }
00241 
00242     // Extract the second arg's value.
00243     if (!b->read_p() && !b->read()) {
00244         // Jose Garcia
00245         // Since the read method is virtual and implemented outside
00246         // libdap++ if we cannot read the data that is the problem
00247         // of the user or of whoever wrote the surrogate library
00248         // implemeting read therefore it is an internal error.
00249         throw InternalErr(__FILE__, __LINE__, "This value not read!");
00250     }
00251 
00252     switch (b->type()) {
00253     case dods_byte_c:
00254         return rops<dods_int32, dods_byte, SUCmp<dods_int32, dods_byte> >
00255                (_buf, dynamic_cast<Byte *>(b)->_buf, op);
00256     case dods_int16_c:
00257         return rops<dods_int32, dods_int16, Cmp<dods_int32, dods_int16> >
00258                (_buf, dynamic_cast<Int16 *>(b)->_buf, op);
00259     case dods_uint16_c:
00260         return rops<dods_int32, dods_uint16, SUCmp<dods_int32, dods_uint16> >
00261                (_buf, dynamic_cast<UInt16 *>(b)->_buf, op);
00262     case dods_int32_c:
00263         return rops<dods_int32, dods_int32, Cmp<dods_int32, dods_int32> >
00264                (_buf, dynamic_cast<Int32 *>(b)->_buf, op);
00265     case dods_uint32_c:
00266         return rops<dods_int32, dods_uint32, SUCmp<dods_int32, dods_uint32> >
00267                (_buf, dynamic_cast<UInt32 *>(b)->_buf, op);
00268     case dods_float32_c:
00269         return rops<dods_int32, dods_float32, Cmp<dods_int32, dods_float32> >
00270                (_buf, dynamic_cast<Float32 *>(b)->_buf, op);
00271     case dods_float64_c:
00272         return rops<dods_int32, dods_float64, Cmp<dods_int32, dods_float64> >
00273                (_buf, dynamic_cast<Float64 *>(b)->_buf, op);
00274     default:
00275         return false;
00276     }
00277 }
00278 
00287 void
00288 Int32::dump(ostream &strm) const
00289 {
00290     strm << DapIndent::LMarg << "Int32::dump - ("
00291     << (void *)this << ")" << endl ;
00292     DapIndent::Indent() ;
00293     BaseType::dump(strm) ;
00294     strm << DapIndent::LMarg << "value: " << _buf << endl ;
00295     DapIndent::UnIndent() ;
00296 }
00297 
00298 } // namespace libdap
00299