libdap++ Updated for version 3.8.2
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00001 // XDRFileUnMarshaller.cc 00002 00003 // -*- mode: c++; c-basic-offset:4 -*- 00004 00005 // This file is part of libdap, A C++ implementation of the OPeNDAP Data 00006 // Access Protocol. 00007 00008 // Copyright (c) 2002,2003 OPeNDAP, Inc. 00009 // Author: Patrick West <pwest@ucar.edu> 00010 // 00011 // This library is free software; you can redistribute it and/or 00012 // modify it under the terms of the GNU Lesser General Public 00013 // License as published by the Free Software Foundation; either 00014 // version 2.1 of the License, or (at your option) any later version. 00015 // 00016 // This library is distributed in the hope that it will be useful, 00017 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00018 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00019 // Lesser General Public License for more details. 00020 // 00021 // You should have received a copy of the GNU Lesser General Public 00022 // License along with this library; if not, write to the Free Software 00023 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00024 // 00025 // You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112. 00026 00027 // (c) COPYRIGHT URI/MIT 1994-1999 00028 // Please read the full copyright statement in the file COPYRIGHT_URI. 00029 // 00030 // Authors: 00031 // pwest Patrick West <pwest@ucar.edu> 00032 00033 #include "XDRFileUnMarshaller.h" 00034 00035 #include "Vector.h" 00036 #include "util.h" 00037 #include "InternalErr.h" 00038 00039 namespace libdap { 00040 00041 XDRFileUnMarshaller::XDRFileUnMarshaller( FILE *out ) 00042 : _source( 0 ) 00043 { 00044 _source = new_xdrstdio( out, XDR_DECODE ) ; 00045 } 00046 00047 XDRFileUnMarshaller::XDRFileUnMarshaller() 00048 : UnMarshaller(), 00049 _source( 0 ) 00050 { 00051 throw InternalErr( __FILE__, __LINE__, "Default constructor not implemented." ) ; 00052 } 00053 00054 XDRFileUnMarshaller::XDRFileUnMarshaller( const XDRFileUnMarshaller &um ) 00055 : UnMarshaller( um ), 00056 _source( 0 ) 00057 { 00058 throw InternalErr( __FILE__, __LINE__, "Copy constructor not implemented." ) ; 00059 } 00060 00061 XDRFileUnMarshaller & 00062 XDRFileUnMarshaller::operator=( const XDRFileUnMarshaller & ) 00063 { 00064 throw InternalErr( __FILE__, __LINE__, "Copy operator not implemented." ) ; 00065 00066 return *this ; 00067 } 00068 00069 XDRFileUnMarshaller::~XDRFileUnMarshaller( ) 00070 { 00071 delete_xdrstdio( _source ) ; 00072 } 00073 00074 void 00075 XDRFileUnMarshaller::get_byte( dods_byte &val ) 00076 { 00077 if( !xdr_char( _source, (char *)&val ) ) 00078 throw Error("Network I/O Error. Could not read byte data. This may be due to a\nbug in DODS or a problem with the network connection."); 00079 } 00080 00081 void 00082 XDRFileUnMarshaller::get_int16( dods_int16 &val ) 00083 { 00084 if( !XDR_INT16( _source, &val ) ) 00085 throw Error("Network I/O Error. Could not read int 16 data. This may be due to a\nbug in libdap or a problem with the network connection."); 00086 } 00087 00088 void 00089 XDRFileUnMarshaller::get_int32( dods_int32 &val ) 00090 { 00091 #if 0 00092 #ifdef _MSC_VER 00093 if( !XDR_INT32( _source, (int *)&val ) ) 00094 #else 00095 if( !XDR_INT32( _source, &val ) ) 00096 #endif 00097 #endif 00098 if( !XDR_INT32( _source, &val ) ) 00099 throw Error("Network I/O Error. Could not read int 32 data. This may be due to a\nbug in libdap or a problem with the network connection."); 00100 } 00101 00102 void 00103 XDRFileUnMarshaller::get_float32( dods_float32 &val ) 00104 { 00105 if( !xdr_float( _source, &val ) ) 00106 throw Error("Network I/O Error. Could not read float 32 data. This may be due to a\nbug in libdap or a problem with the network connection."); 00107 } 00108 00109 void 00110 XDRFileUnMarshaller::get_float64( dods_float64 &val ) 00111 { 00112 if( !xdr_double( _source, &val ) ) 00113 throw Error("Network I/O Error. Could not read float 64 data. This may be due to a\nbug in libdap or a problem with the network connection."); 00114 } 00115 00116 void 00117 XDRFileUnMarshaller::get_uint16( dods_uint16 &val ) 00118 { 00119 if( !XDR_UINT16( _source, &val ) ) 00120 throw Error("Network I/O Error. Could not read uint 16 data. This may be due to a\nbug in libdap or a problem with the network connection."); 00121 } 00122 00123 void 00124 XDRFileUnMarshaller::get_uint32( dods_uint32 &val ) 00125 { 00126 #if 0 00127 #ifdef _MSC_VER 00128 if( !XDR_UINT32( _source, (unsigned int *)&val ) ) 00129 #else 00130 if( !XDR_UINT32( _source, &val ) ) 00131 #endif 00132 #endif 00133 if( !XDR_UINT32( _source, &val ) ) 00134 throw Error("Network I/O Error. Could not read uint 32 data. This may be due to a\nbug in libdap or a problem with the network connection."); 00135 } 00136 00137 void 00138 XDRFileUnMarshaller::get_str( string &val ) 00139 { 00140 char *in_tmp = NULL ; 00141 00142 if( !xdr_string( _source, &in_tmp, max_str_len ) ) 00143 throw Error("Network I/O Error. Could not read string data.\nThis may be due to a bug in libdap, on the server or a\nproblem with the network connection."); 00144 00145 val = in_tmp ; 00146 00147 free( in_tmp ) ; 00148 } 00149 00150 void 00151 XDRFileUnMarshaller::get_url( string &val ) 00152 { 00153 get_str( val ) ; 00154 } 00155 00156 void 00157 XDRFileUnMarshaller::get_opaque( char *val, unsigned int len ) 00158 { 00159 xdr_opaque( _source, val, len ) ; 00160 } 00161 00162 void 00163 XDRFileUnMarshaller::get_int( int &val ) 00164 { 00165 if( !xdr_int( _source, &val ) ) 00166 throw Error("Network I/O Error(1). This may be due to a bug in libdap or a\nproblem with the network connection."); 00167 } 00168 00169 void 00170 XDRFileUnMarshaller::get_vector( char **val, unsigned int &num, Vector & ) 00171 { 00172 if( !xdr_bytes( _source, val, &num, DODS_MAX_ARRAY) ) 00173 throw Error("Network I/O error. Could not read packed array data.\nThis may be due to a bug in libdap or a problem with\nthe network connection."); 00174 } 00175 00176 void 00177 XDRFileUnMarshaller::get_vector( char **val, unsigned int &num, int width, Vector &vec ) 00178 { 00179 BaseType *var = vec.var() ; 00180 00181 if( !xdr_array( _source, val, &num, DODS_MAX_ARRAY, width, 00182 XDRUtils::xdr_coder( var->type() ) ) ) 00183 { 00184 throw Error("Network I/O error. Could not read packed array data.\nThis may be due to a bug in libdap or a problem with\nthe network connection."); 00185 } 00186 } 00187 00188 void 00189 XDRFileUnMarshaller::dump(ostream &strm) const 00190 { 00191 strm << DapIndent::LMarg << "XDRFileUnMarshaller::dump - (" 00192 << (void *)this << ")" << endl ; 00193 } 00194 00195 } // namespace libdap 00196