parse.H

/*
 * This file is part of the "Archon" framework.
 * (http://files3d.sourceforge.net)
 *
 * Copyright © 2002 by Kristian Spangsege and Brian Kristiansen.
 *
 * Permission to use, copy, modify, and distribute this software and
 * its documentation under the terms of the GNU General Public License is
 * hereby granted. No representations are made about the suitability of
 * this software for any purpose. It is provided "as is" without express
 * or implied warranty. See the GNU General Public License
 * (http://www.gnu.org/copyleft/gpl.html) for more details.
 *
 * The characters in this file are ISO8859-1 encoded.
 *
 * The documentation in this file is in "Doxygen" style
 * (http://www.doxygen.org).
 */

#ifndef ARCHON_X3D_PARSE_H
#define ARCHON_X3D_PARSE_H

#include <string>

#include <archon/util/ref.H>
#include <archon/util/logger.H>

#include <archon/x3d/server/core.H>
#include <archon/x3d/server/group.H>
#include <archon/x3d/server/scene.H>

namespace Archon
{
  namespace X3D
  {
    using namespace std;
    using namespace Utilities;

    struct CustomFieldNode; // Defined in "custom_field.H"
    struct CustomFieldBase; // Defined in "custom_field.H"

    struct ProgressTracker
    {
      virtual void set(Ref<Scene>) = 0;
      virtual void progress(long chars_loaded) = 0;
      virtual void scene(const string &uri) = 0;
      virtual void image(const string &uri) = 0;
      virtual ~ProgressTracker() {}
    };

    struct Parser
    {
    protected:
      virtual void warning(string message) { logger->log(message); }

      Parser(Ref<ExecutionContext> context, Ref<GroupingNode> rootGroup, string sourceName, Logger *logger):
        context(context), rootGroup(rootGroup), sourceName(sourceName), logger(logger) {}

      virtual ~Parser() {}

      Ref<ExecutionContext> context;

      Ref<GroupingNode> rootGroup;

      string sourceName;

      Logger *logger;

      bool validateIdentifier(string);
      void addNamedNode(string, Ref<NodeBase>);

      Ref<NodeBase> lookupNode(string name) { return context->lookupNode(name); }

      void addRootGroupChild(Ref<ChildNode>, Time stamp);

      void addRoute(string sourceNodeName, string sourceFieldName,
                    string targetNodeName, string targetFieldName);

      int getNextCustomFieldIndex(Ref<CustomFieldNode>);
      void addScriptField(Ref<CustomFieldNode>, Ref<CustomFieldBase>);
    };
  }
}

#endif // ARCHON_X3D_PARSE_H

---