DAS.h

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// -*- 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: James Gallagher <jgallagher@opendap.org>
//
// 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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:
//      jhrg,jimg       James Gallagher <jgallagher@gso.uri.edu>

// Using the DASVHMap class, build a parser for the DAS and add functions
// that provide access to the variables, their attributes and values.
//
// jhrg 7/25/94

#ifndef _das_h
#define _das_h 1


#include <cstdio>
#include <string>
#include <iostream>

//#include "Pix.h"

#ifndef _attrtable_h
#include "AttrTable.h"
#endif

using std::cout;

namespace libdap
{

class DAS : public DapObj
{
private:
    AttrTable *d_container ;
    string _container_name ;
    AttrTable d_attrs ;

protected:
    //AttrTable *das_find(string name);

public:
    DAS();
    //DAS(AttrTable *attr_table, string name);

    virtual ~DAS();

    virtual string container_name() ;
    virtual void container_name( const string &cn ) ;
    virtual AttrTable *container() ;

    virtual AttrTable *get_top_level_attributes()
    {
        if( d_container ) return d_container ;
        return &d_attrs ;
    }

    virtual void erase() ;

    virtual unsigned int get_size() const ;

    AttrTable::Attr_iter var_begin() ;
    AttrTable::Attr_iter var_end() ;

    string get_name(AttrTable::Attr_iter &i);
    AttrTable *get_table(AttrTable::Attr_iter &i);

    virtual AttrTable *get_table(const string &name);

    virtual AttrTable *add_table(const string &name, AttrTable *at);

    virtual void parse(string fname);
    virtual void parse(int fd);
    virtual void parse(FILE *in = stdin);

    virtual void print(FILE *out, bool dereference = false);
    virtual void print(ostream &out, bool dereference = false);

    virtual void dump(ostream &strm) const ;
};

} // namespace libdap

#endif // _das_h

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