XDRFileUnMarshaller.cc
// XDRFileUnMarshaller.cc
// -*- mode: c++; c-basic-offset:4 -*-
// This file is part of libdap, A C++ implementation of the OPeNDAP Data
// Access Protocol.
// Copyright (c) 2002,2003 OPeNDAP, Inc.
// Author: Patrick West <pwest@ucar.edu>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
// (c) COPYRIGHT URI/MIT 1994-1999
// Please read the full copyright statement in the file COPYRIGHT_URI.
//
// Authors:
// pwest Patrick West <pwest@ucar.edu>
#include "config.h"
#include "XDRFileUnMarshaller.h"
#include "Array.h"
#include "Byte.h"
#include "Float32.h"
#include "Float64.h"
#include "Grid.h"
#include "Int16.h"
#include "Int32.h"
#include "Sequence.h"
#include "Str.h"
#include "Structure.h"
#include "UInt16.h"
#include "UInt32.h"
#include "Url.h"
#include "DapIndent.h"
#include "InternalErr.h"
#include "util.h"
namespace libdap {
XDRFileUnMarshaller::XDRFileUnMarshaller(FILE *out) : _source(0) { _source = new_xdrstdio(out, XDR_DECODE); }
XDRFileUnMarshaller::XDRFileUnMarshaller() : UnMarshaller(), _source(0) {
throw InternalErr(__FILE__, __LINE__, "Default constructor not implemented.");
}
XDRFileUnMarshaller::XDRFileUnMarshaller(const XDRFileUnMarshaller &um) : UnMarshaller(um), _source(0) {
throw InternalErr(__FILE__, __LINE__, "Copy constructor not implemented.");
}
XDRFileUnMarshaller &XDRFileUnMarshaller::operator=(const XDRFileUnMarshaller &) {
throw InternalErr(__FILE__, __LINE__, "Copy operator not implemented.");
}
XDRFileUnMarshaller::~XDRFileUnMarshaller() {
// Some static code analysis tools complain that delete_xdrstdio
// does not close the FILE* it holds, but that's not true with
// modern XDR libraries. Don't try to close that FILE*. jhrg 8/27/13
delete_xdrstdio(_source);
}
void XDRFileUnMarshaller::get_byte(dods_byte &val) {
if (!xdr_char(_source, (char *)&val))
throw Error("Network I/O Error. Could not read byte data.");
}
void XDRFileUnMarshaller::get_int16(dods_int16 &val) {
if (!XDR_INT16(_source, &val))
throw Error("Network I/O Error. Could not read int 16 data.");
}
void XDRFileUnMarshaller::get_int32(dods_int32 &val) {
if (!XDR_INT32(_source, &val))
throw Error("Network I/O Error. Could not read int 32 data.");
}
void XDRFileUnMarshaller::get_float32(dods_float32 &val) {
if (!xdr_float(_source, &val))
throw Error("Network I/O Error. Could not read float 32 data.");
}
void XDRFileUnMarshaller::get_float64(dods_float64 &val) {
if (!xdr_double(_source, &val))
throw Error("Network I/O Error.Could not read float 64 data.");
}
void XDRFileUnMarshaller::get_uint16(dods_uint16 &val) {
if (!XDR_UINT16(_source, &val))
throw Error("Network I/O Error. Could not read uint 16 data.");
}
void XDRFileUnMarshaller::get_uint32(dods_uint32 &val) {
if (!XDR_UINT32(_source, &val))
throw Error("Network I/O Error. Could not read uint 32 data.");
}
void XDRFileUnMarshaller::get_str(string &val) {
char *in_tmp = NULL;
if (!xdr_string(_source, &in_tmp, max_str_len))
throw Error("Network I/O Error. Could not read string data.");
val = in_tmp;
free(in_tmp);
}
void XDRFileUnMarshaller::get_url(string &val) { get_str(val); }
void XDRFileUnMarshaller::get_opaque(char *val, unsigned int len) { xdr_opaque(_source, val, len); }
void XDRFileUnMarshaller::get_int(int &val) {
if (!xdr_int(_source, &val))
throw Error(
"Network I/O Error(1). This may be due to a bug in libdap or a\nproblem with the network connection.");
}
void XDRFileUnMarshaller::get_vector(char **val, unsigned int &num, Vector &) {
if (!xdr_bytes(_source, val, &num, DODS_MAX_ARRAY))
throw Error("Network I/O error (1).");
}
void XDRFileUnMarshaller::get_vector(char **val, unsigned int &num, int width, Vector &vec) {
BaseType *var = vec.var();
if (!xdr_array(_source, val, &num, DODS_MAX_ARRAY, width, XDRUtils::xdr_coder(var->type()))) {
throw Error("Network I/O error (2).");
}
}
void XDRFileUnMarshaller::dump(ostream &strm) const {
strm << DapIndent::LMarg << "XDRFileUnMarshaller::dump - (" << (void *)this << ")" << endl;
}
} // namespace libdap
BaseType
Vector
libdap::XDRFileUnMarshaller::dump
virtual void dump(ostream &strm) const
dump the contents of this object to the specified ostream
Definition XDRFileUnMarshaller.cc:148
libdap
top level DAP object to house generic methods
Definition AlarmHandler.h:35
libdap::var
virtual BaseType * var(const string &name="", bool exact_match=true, btp_stack *s=nullptr)
Returns a pointer to a member of a constructor class.
libdap::get_str
vector< string > & get_str()
Definition Vector.h:152