script_ecma.H

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/*
 * 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_SCRIPT_ECMA_H
#define ARCHON_X3D_SCRIPT_ECMA_H

#define XP_UNIX
#define DEBUG
#include <jsapi.h>

#include <archon/x3d/server/custom_field.H>
#include <archon/x3d/server/script.H>

namespace Archon
{
  namespace X3D
  {
    namespace ECMA
    {
      struct Engine: Script::Engine
      {
        Engine(Script *containingNode, string sourceCode,
               string sourceName, int sourceLine);
        ~Engine();

        struct ValueConverterBase
        {
          virtual bool fieldWrite(JSContext *, jsval, NodeBase *,
                                  const FieldBase *, Time) const = 0;
          virtual void fieldRead(NodeBase *, const FieldBase *,
                                 JSContext *, jsval *) const = 0;
          virtual ~ValueConverterBase() {}
        };

        Script *const containingNode;

        string getSourceName() const { return sourceName; }

        struct Field
        {
          const ValueConverterBase *valueConverter;
          jsval handler;
          Field(const ValueConverterBase *valueConverter):
            valueConverter(valueConverter), handler(JSVAL_NULL) {}
        };

        Field *getField(int i) { return &fields[i]; }

      private:
        string sourceName;
        JSRuntime *spiderMonkeyRuntime;
        JSContext *spiderMonkeyContext;

        vector<Field> fields;

        static JSBool getCustomField(JSContext *, JSObject *, jsval, jsval *);
        static JSBool setCustomField(JSContext *, JSObject *, jsval, jsval *);

        void handleEvent(int fieldIndex, Time timestamp);
      };
    }
  }
}

#endif // ARCHON_X3D_SCRIPT_ECMA_H

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