libdap
Updated for version 3.17.0
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00023 // 00024 // You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112. 00025 00026 // (c) COPYRIGHT URI/MIT 1996-1999 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 #include <sstream> 00040 00041 #include "Byte.h" // synonymous with UInt8 and Char 00042 #include "Int8.h" 00043 #include "Int16.h" 00044 #include "UInt16.h" 00045 #include "Int32.h" 00046 #include "UInt32.h" 00047 #include "Int64.h" 00048 #include "UInt64.h" 00049 #include "Float32.h" 00050 #include "Float64.h" 00051 #include "Str.h" 00052 #include "Url.h" 00053 00054 #include "DDS.h" 00055 #include "Marshaller.h" 00056 #include "UnMarshaller.h" 00057 00058 #include "DMR.h" 00059 #include "D4StreamMarshaller.h" 00060 #include "D4StreamUnMarshaller.h" 00061 00062 #include "util.h" 00063 #include "parser.h" 00064 #include "Operators.h" 00065 #include "dods-limits.h" 00066 #include "debug.h" 00067 #include "InternalErr.h" 00068 00069 using std::cerr; 00070 using std::endl; 00071 00072 namespace libdap { 00073 00078 Int16::Int16(const string &n) : BaseType(n, dods_int16_c), d_buf(0) 00079 {} 00080 00088 Int16::Int16(const string &n, const string &d) : BaseType(n, d, dods_int16_c), d_buf(0) 00089 {} 00090 00091 Int16::Int16(const Int16 ©_from) : BaseType(copy_from) 00092 { 00093 d_buf = copy_from.d_buf; 00094 } 00095 00096 BaseType * 00097 Int16::ptr_duplicate() 00098 { 00099 return new Int16(*this); 00100 } 00101 00102 Int16 & 00103 Int16::operator=(const Int16 &rhs) 00104 { 00105 if (this == &rhs) 00106 return *this; 00107 00108 dynamic_cast<BaseType &>(*this) = rhs; 00109 00110 d_buf = rhs.d_buf; 00111 00112 return *this; 00113 } 00114 00115 unsigned int 00116 Int16::width(bool) const 00117 { 00118 return sizeof(dods_int16); 00119 } 00120 00121 bool 00122 Int16::serialize(ConstraintEvaluator &eval, DDS &dds, Marshaller &m, bool ce_eval) 00123 { 00124 #if USE_LOCAL_TIMEOUT_SCHEME 00125 dds.timeout_on(); 00126 #endif 00127 if (!read_p()) 00128 read(); // read() throws Error and InternalErr 00129 00130 if (ce_eval && !eval.eval_selection(dds, dataset())) 00131 return true; 00132 #if USE_LOCAL_TIMEOUT_SCHEME 00133 dds.timeout_off(); 00134 #endif 00135 m.put_int16( d_buf ) ; 00136 00137 return true; 00138 } 00139 00140 bool 00141 Int16::deserialize(UnMarshaller &um, DDS *, bool) 00142 { 00143 um.get_int16( d_buf ) ; 00144 00145 return false; 00146 } 00147 00148 void 00149 Int16::compute_checksum(Crc32 &checksum) 00150 { 00151 checksum.AddData(reinterpret_cast<uint8_t*>(&d_buf), sizeof(d_buf)); 00152 } 00153 00162 void 00163 Int16::serialize(D4StreamMarshaller &m, DMR &, /*ConstraintEvaluator &,*/ bool) 00164 { 00165 if (!read_p()) 00166 read(); // read() throws Error 00167 00168 m.put_int16( d_buf ) ; 00169 } 00170 00171 void 00172 Int16::deserialize(D4StreamUnMarshaller &um, DMR &) 00173 { 00174 um.get_int16( d_buf ) ; 00175 } 00176 00177 unsigned int 00178 Int16::val2buf(void *val, bool) 00179 { 00180 // Jose Garcia 00181 // This method is public therefore and I believe it has being designed 00182 // to be use by read which must be implemented on the surrogated library, 00183 // thus if the pointer val is NULL, is an Internal Error. 00184 if (!val) 00185 throw InternalErr(__FILE__, __LINE__, 00186 "The incoming pointer does not contain any data."); 00187 00188 d_buf = *(dods_int16 *)val; 00189 00190 return width(); 00191 } 00192 00193 unsigned int 00194 Int16::buf2val(void **val) 00195 { 00196 // Jose Garcia 00197 // The same comment justifying throwing an Error in val2buf applies here. 00198 if (!val) 00199 throw InternalErr(__FILE__, __LINE__, "NULL pointer."); 00200 00201 if (!*val) 00202 *val = new dods_int16; 00203 00204 *(dods_int16 *)*val = d_buf; 00205 00206 return width(); 00207 } 00208 00209 dods_int16 00210 Int16::value() const 00211 { 00212 return d_buf; 00213 } 00214 00215 bool 00216 Int16::set_value(dods_int16 i) 00217 { 00218 d_buf = i; 00219 set_read_p(true); 00220 00221 return true; 00222 } 00223 00224 void 00225 Int16::print_val(FILE *out, string space, bool print_decl_p) 00226 { 00227 ostringstream oss; 00228 print_val(oss, space, print_decl_p); 00229 fwrite(oss.str().data(), sizeof(char), oss.str().length(), out); 00230 } 00231 00232 void 00233 Int16::print_val(ostream &out, string space, bool print_decl_p) 00234 { 00235 if (print_decl_p) { 00236 print_decl(out, space, false); 00237 out << " = " << d_buf << ";\n" ; 00238 } 00239 else 00240 out << d_buf ; 00241 } 00242 00243 bool 00244 Int16::ops(BaseType *b, int op) 00245 { 00246 00247 // Extract the Byte arg's value. 00248 if (!read_p() && !read()) { 00249 // Jose Garcia 00250 // Since the read method is virtual and implemented outside 00251 // libdap++ if we cannot read the data that is the problem 00252 // of the user or of whoever wrote the surrogate library 00253 // implemeting read therefore it is an internal error. 00254 throw InternalErr(__FILE__, __LINE__, "This value not read!"); 00255 } 00256 00257 // Extract the second arg's value. 00258 if (!b || !(b->read_p() || b->read())) { 00259 // Jose Garcia 00260 // Since the read method is virtual and implemented outside 00261 // libdap++ if we cannot read the data that is the problem 00262 // of the user or of whoever wrote the surrogate library 00263 // implemeting read therefore it is an internal error. 00264 throw InternalErr(__FILE__, __LINE__, "This value not read!"); 00265 } 00266 00267 switch (b->type()) { 00268 case dods_int8_c: 00269 return Cmp<dods_int16, dods_int8>(op, d_buf, static_cast<Int8*>(b)->value()); 00270 case dods_byte_c: 00271 return SUCmp<dods_int16, dods_byte>(op, d_buf, static_cast<Byte*>(b)->value()); 00272 case dods_int16_c: 00273 return Cmp<dods_int16, dods_int16>(op, d_buf, static_cast<Int16*>(b)->value()); 00274 case dods_uint16_c: 00275 return SUCmp<dods_int16, dods_uint16>(op, d_buf, static_cast<UInt16*>(b)->value()); 00276 case dods_int32_c: 00277 return Cmp<dods_int16, dods_int32>(op, d_buf, static_cast<Int32*>(b)->value()); 00278 case dods_uint32_c: 00279 return SUCmp<dods_int16, dods_uint32>(op, d_buf, static_cast<UInt32*>(b)->value()); 00280 case dods_int64_c: 00281 return Cmp<dods_int16, dods_int64>(op, d_buf, static_cast<Int64*>(b)->value()); 00282 case dods_uint64_c: 00283 return SUCmp<dods_int16, dods_uint64>(op, d_buf, static_cast<UInt64*>(b)->value()); 00284 case dods_float32_c: 00285 return Cmp<dods_int16, dods_float32>(op, d_buf, static_cast<Float32*>(b)->value()); 00286 case dods_float64_c: 00287 return Cmp<dods_int16, dods_float64>(op, d_buf, static_cast<Float64*>(b)->value()); 00288 default: 00289 return false; 00290 } 00291 } 00292 00301 void 00302 Int16::dump(ostream &strm) const 00303 { 00304 strm << DapIndent::LMarg << "Int16::dump - (" 00305 << (void *)this << ")" << endl ; 00306 DapIndent::Indent() ; 00307 BaseType::dump(strm) ; 00308 strm << DapIndent::LMarg << "value: " << d_buf << endl ; 00309 DapIndent::UnIndent() ; 00310 } 00311 00312 } // namespace libdap 00313