XDRStreamUnMarshaller.h

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// XDRStreamUnMarshaller.h
 
// -*- 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>
 
#ifndef I_XDRStreamUnMarshaller_h
#define I_XDRStreamUnMarshaller_h 1
 
#include "config.h"
 
#include <iostream>
 
using std::cin;
using std::istream;
 
#include "UnMarshaller.h"
#include "XDRUtils.h"
 
namespace libdap {
 
const int XDR_DAP_BUFF_SIZE = 4096; // This will be compared to a signed int

class XDRStreamUnMarshaller : public UnMarshaller {
private:
    XDR d_source;
    istream &d_in;
    static char *d_buf;
 
    XDRStreamUnMarshaller();
    XDRStreamUnMarshaller(const XDRStreamUnMarshaller &um);
    XDRStreamUnMarshaller &operator=(const XDRStreamUnMarshaller &);
 
public:
    XDRStreamUnMarshaller(istream &in);
    virtual ~XDRStreamUnMarshaller();
 
    virtual void get_byte(dods_byte &val);
 
    virtual void get_int16(dods_int16 &val);
    virtual void get_int32(dods_int32 &val);
 
    virtual void get_float32(dods_float32 &val);
    virtual void get_float64(dods_float64 &val);
 
    virtual void get_uint16(dods_uint16 &val);
    virtual void get_uint32(dods_uint32 &val);
 
    virtual void get_str(string &val);
    virtual void get_url(string &val);
 
    virtual void get_opaque(char *val, unsigned int len);
    virtual void get_int(int &val);
 
    virtual void get_vector(char **val, unsigned int &num, Vector &vec);
    virtual void get_vector(char **val, unsigned int &num, int width, Vector &vec);
 
    virtual void get_vector(char **val, unsigned int &num, int width, Type type);
 
    virtual void dump(ostream &strm) const;
};
 
} // namespace libdap
 
#endif // I_XDRStreamUnMarshaller_h