AttributeElement.h

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// This file is part of the "NcML Module" project, a BES module designed
// to allow NcML files to be used to be used as a wrapper to add
// AIS to existing datasets of any format.
//
// Copyright (c) 2009 OPeNDAP, Inc.
// Author: Michael Johnson  <m.johnson@opendap.org>
//
// For more information, please also see the main website: http://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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//
// Please see the files COPYING and COPYRIGHT for more information on the GLPL.
//
// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
#ifndef __NCML_MODULE__ATTRIBUTE_ELEMENT_H__
#define __NCML_MODULE__ATTRIBUTE_ELEMENT_H__

#include "NCMLElement.h"

namespace libdap
{
  class AttrTable;
}
namespace ncml_module
{
  class OtherXMLParser;
}

using namespace std;
namespace ncml_module
{

  class AttributeElement : public NCMLElement
  {
  private:
    AttributeElement& operator=(const AttributeElement& rhs); // disallow

  public: // methods
    AttributeElement();
    AttributeElement(const AttributeElement& proto);
    virtual ~AttributeElement();
    virtual const string& getTypeName() const;
    virtual AttributeElement* clone() const; // override clone with more specific subclass
    virtual void setAttributes(const XMLAttributeMap& attrs);
    virtual void handleBegin();
    virtual void handleContent(const string& content);
    virtual void handleEnd();
    virtual string toString() const;

public: // data rep
    static const string _sTypeName;
    static const vector<string> _sValidAttributes;
    static const string _default_global_container;

  private: // method

    void processAttribute(NCMLParser& p);

    void processAttributeContainerAtCurrentScope(NCMLParser& p);

    void processAtomicAttributeAtCurrentScope(NCMLParser& p);

    string getInternalType() const;

    void addNewAttribute(NCMLParser& p);

    void mutateAttributeAtCurrentScope(NCMLParser& p, const string& name, const string& type, const string& value);

    void renameAtomicAttribute(NCMLParser& p);

    libdap::AttrTable* renameAttributeContainer(NCMLParser& p);

    void processEndAttribute(NCMLParser& p);

    void startOtherXMLParse(NCMLParser& p);

    static vector<string> getValidAttributes();

  private:
    string _name;
    string _type;
    string _value;
    string _separator;
    string _orgName;

    // Temp for tokenizing
    vector<string> _tokens;

    // If we're parsing an attr of type OtherXML,
    // We will create and pass this into the NCMLParser to collect
    // the OtherXML string.  We own the memory.
    OtherXMLParser* _pOtherXMLParser;
  };

}

#endif /* __NCML_MODULE__ATTRIBUTE_ELEMENT_H__ */