XmiReader_1_2.hpp

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/*
 * Copyright (C) 2004  Andrew Sutton
 *
 * 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
 *
 * Contact:
 *   Andrew Sutton  asutton@cs.kent.edu
 */

#ifndef OMF_XMIREADER12_HPP
#define OMF_XMIREADER12_HPP

// std includes
#include <string>
#include <list>
#include <map>

// libxml includes
#include <libxml/tree.h>

namespace OMF
{
  // forward declarations
  class Model;
  class ModelObject;
  class Property;
  class Association;

  class XmiReader_1_2
  {
  public:
    XmiReader_1_2();
    ~XmiReader_1_2();

    void document(Model *model, xmlDocPtr doc);

  private:
    void createObject();
    void createLink(Property *prop, ModelObject *first, ModelObject *second);
    void resolveDeferred();

    // 2
    void xmi();
    void namespaces();
    void version();

    // 3
    void header();

    // 4
    void differences();

    // 5
    void extensions();

    // 6
    void content();

    // 7
    void objectAsElement();
    void elementStart();
    void elementName();
    void elementId();
    void elementAttributes();
    void refValueAttrib();
    void dataValueAttrib();

    // 8
    void objectContents();
    void contentElement();
    void itemHeader();
    void itemContent();
    void dataValue();
    void primitiveValue();
    void structureValue();

    // 9
    void classAttributes();

    // 10
    void otherLinks();

  private:
    struct Context
    {
      Context() :
  end(false),
  previous(0),
  node(0),
  child(0),
  attr(0),
  object(0),
  prop(0),
  uri(),
  metaclass(),
  feature(),
  id(),
  idref(),
  label(),
  uuid()
      {}

      bool    end;
      Context        *previous;
      xmlNodePtr  node;
      xmlNodePtr  child;
      xmlAttrPtr  attr;
      ModelObject      *object;
      Property         *prop;

      std::string uri;
      std::string metaclass;
      std::string feature;
      std::string id;
      std::string idref;
      std::string label;
      std::string uuid;
    };

    struct Deferred
    {
      Deferred() :
  id(),
  prop(0),
  object(0)
      {}

      std::string id;
      Property         *prop;
      ModelObject      *object;
    };

    typedef std::list<Deferred *> DeferredList;
    typedef std::map<std::string, xmlNsPtr> PrefixMap;

    xmlDocPtr   _doc;
    xmlNodePtr    _root;
    PrefixMap   _prefix;
    DeferredList  _deferred;
    Context        *_current;
    Model        *_model;
  };
}

#endif

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