Blame XDRFileUnMarshaller.cc

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// XDRFileUnMarshaller.cc
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// -*- mode: c++; c-basic-offset:4 -*-
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// This file is part of libdap, A C++ implementation of the OPeNDAP Data
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// Access Protocol.
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// Copyright (c) 2002,2003 OPeNDAP, Inc.
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// Author: Patrick West <pwest@ucar.edu>
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
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//
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// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
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// (c) COPYRIGHT URI/MIT 1994-1999
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// Please read the full copyright statement in the file COPYRIGHT_URI.
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//
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// Authors:
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//      pwest       Patrick West <pwest@ucar.edu>
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#include "config.h"
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#include "XDRFileUnMarshaller.h"
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#include "Byte.h"
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#include "Int16.h"
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#include "UInt16.h"
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#include "Int32.h"
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#include "UInt32.h"
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#include "Float32.h"
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#include "Float64.h"
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#include "Str.h"
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#include "Url.h"
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#include "Array.h"
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#include "Structure.h"
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#include "Sequence.h"
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#include "Grid.h"
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#if  0
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#include "Vector.h"
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#endif
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#include "util.h"
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#include "InternalErr.h"
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namespace libdap {
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XDRFileUnMarshaller::XDRFileUnMarshaller( FILE *out )
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    : _source( 0 )
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{
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    _source = new_xdrstdio( out, XDR_DECODE ) ;
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}
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XDRFileUnMarshaller::XDRFileUnMarshaller()
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    : UnMarshaller(), _source( 0 )
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{
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    throw InternalErr( __FILE__, __LINE__, "Default constructor not implemented." ) ;
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}
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XDRFileUnMarshaller::XDRFileUnMarshaller( const XDRFileUnMarshaller &um )
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    : UnMarshaller( um ), _source( 0 )
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{
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    throw InternalErr( __FILE__, __LINE__, "Copy constructor not implemented." ) ;
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}
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XDRFileUnMarshaller &
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XDRFileUnMarshaller::operator=( const XDRFileUnMarshaller & )
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{
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    throw InternalErr( __FILE__, __LINE__, "Copy operator not implemented." ) ;
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    return *this ;
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}
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XDRFileUnMarshaller::~XDRFileUnMarshaller( )
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{
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    // Some static code analysis tools complain that delete_xdrstdio
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    // does not close the FILE* it holds, but that's not true with
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    // modern XDR libraries. Don't try to close that FILE*. jhrg 8/27/13
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    delete_xdrstdio( _source ) ;
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}
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void
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XDRFileUnMarshaller::get_byte( dods_byte &val )
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{
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    if( !xdr_char( _source, (char *)&val ) )
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        throw Error("Network I/O Error. Could not read byte data.");
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}
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void
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XDRFileUnMarshaller::get_int16( dods_int16 &val )
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{
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    if( !XDR_INT16( _source, &val ) )
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        throw Error("Network I/O Error. Could not read int 16 data.");
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}
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void
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XDRFileUnMarshaller::get_int32( dods_int32 &val )
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{
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    if( !XDR_INT32( _source, &val ) )
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        throw Error("Network I/O Error. Could not read int 32 data.");
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}
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void
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XDRFileUnMarshaller::get_float32( dods_float32 &val )
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{
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    if( !xdr_float( _source, &val ) )
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        throw Error("Network I/O Error. Could not read float 32 data.");
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}
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void
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XDRFileUnMarshaller::get_float64( dods_float64 &val )
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{
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    if( !xdr_double( _source, &val ) )
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        throw Error("Network I/O Error.Could not read float 64 data.");
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}
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void
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XDRFileUnMarshaller::get_uint16( dods_uint16 &val )
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{
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    if( !XDR_UINT16( _source, &val ) )
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        throw Error("Network I/O Error. Could not read uint 16 data.");
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}
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void
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XDRFileUnMarshaller::get_uint32( dods_uint32 &val )
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{
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    if( !XDR_UINT32( _source, &val ) )
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        throw Error("Network I/O Error. Could not read uint 32 data.");
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}
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void
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XDRFileUnMarshaller::get_str( string &val )
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{
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    char *in_tmp = NULL ;
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    if( !xdr_string( _source, &in_tmp, max_str_len ) )
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        throw Error("Network I/O Error. Could not read string data.");
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    val = in_tmp ;
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    free( in_tmp ) ;
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}
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void
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XDRFileUnMarshaller::get_url( string &val )
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{
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    get_str( val ) ;
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}
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void
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XDRFileUnMarshaller::get_opaque( char *val, unsigned int len )
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{
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    xdr_opaque( _source, val, len ) ;
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}
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void
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XDRFileUnMarshaller::get_int( int &val )
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{
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    if( !xdr_int( _source, &val ) )
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	throw Error("Network I/O Error(1). This may be due to a bug in libdap or a\nproblem with the network connection.");
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}
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void
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XDRFileUnMarshaller::get_vector( char **val, unsigned int &num, Vector & )
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{
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    if( !xdr_bytes( _source, val, &num, DODS_MAX_ARRAY) )
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	throw Error("Network I/O error (1).");
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}
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void
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XDRFileUnMarshaller::get_vector( char **val, unsigned int &num, int width, Vector &vec )
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{
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    BaseType *var = vec.var() ;
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    if( !xdr_array( _source, val, &num, DODS_MAX_ARRAY, width,
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		    XDRUtils::xdr_coder( var->type() ) ) )
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    {
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	throw Error("Network I/O error (2).");
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    }
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}
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void
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XDRFileUnMarshaller::dump(ostream &strm) const
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{
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    strm << DapIndent::LMarg << "XDRFileUnMarshaller::dump - ("
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         << (void *)this << ")" << endl ;
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}
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} // namespace libdap
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