OSGOSGWriter.h

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/*---------------------------------------------------------------------------*\
 *                                OpenSG                                     *
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 *                     Copyright 2000-2002 by OpenSG Forum                   *
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 *   contact: dirk@opensg.org, gerrit.voss@vossg.org, jbehr@zgdv.de          *
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\*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*\
 *                                License                                    *
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 * This library is free software; you can redistribute it and/or modify it   *
 * under the terms of the GNU Library General Public License as published    *
 * by the Free Software Foundation, version 2.                               *
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 * 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         *
 * Library General Public License for more details.                          *
 *                                                                           *
 * You should have received a copy of the GNU Library General Public         *
 * License along with this library; if not, write to the Free Software       *
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.                 *
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\*---------------------------------------------------------------------------*/
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\*---------------------------------------------------------------------------*/

#ifndef _OSGOSGWRITER_H_
#define _OSGOSGWRITER_H_
#ifdef __sgi
#pragma once
#endif

#include <OSGConfig.h>

#include <iostream>

#include <string>
#include <map>
#include <vector>

#include <OSGNode.h>
#include <OSGNodeCore.h>
#include <OSGFieldContainer.h>
#include <OSGSFFieldContainerPtr.h>
#include <OSGMFFieldContainerPtr.h>
#include <OSGIndenter.h>
#include <OSGStandardStringConversionState.h>

OSG_BEGIN_NAMESPACE

class OSG_SYSTEMLIB_DLLMAPPING OSGWriter
{
    /*==========================  PUBLIC  =================================*/
  public:

    /*---------------------------------------------------------------------*/
    OSGWriter(std::ostream &stream, UInt32 indentStep=4);

    /*---------------------------------------------------------------------*/
    ~OSGWriter(void);

    /*---------------------------------------------------------------------*/
    void write(            FieldContainerPtr  container );
    void write(std::vector<FieldContainerPtr> containers);
    
    /*=========================  PROTECTED  ===============================*/
  protected:
      
    static const UInt32 DefaultSFWidth;
    static const UInt32 DefaultMFWidth; 

    struct FCInfoHelper
    {
        bool        written;
        bool        hasName;
        std::string containerName;
        
        void        setName      (const FieldContainerPtr pFC);
                     
        FCInfoHelper(void);
    };
    
    typedef std::map<FieldContainerPtr, FCInfoHelper> FCInfoHelperMap;

    /*---------------------------------------------------------------------*/
    FCInfoHelperMap                _visitedFCMap;
    StandardStringConversionState  _state;
    Indenter                       _indent;
    std::ostream                  &_outStream;

    void visitContainer(const FieldContainerPtr pFC      );
    void visitField    (const Field*            pF       );

    void writeContainer(const FieldContainerPtr pFC      );
    void writeField    (const Field*            pF,
            const FieldDescription* fieldDesc);

    /*==========================  PRIVATE  ================================*/
  private:

    OSGWriter(const OSGWriter &source);
    void operator =(const OSGWriter &source);
};

OSG_END_NAMESPACE

#define OSGOSGWRITER_HEADER_CVSID "@(#)$Id: OSGOSGWriter.h,v 1.6 2002/02/04 20:14:05 dirk Exp $"
    
#endif /* _OSGOSGWRITER_H_ */

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