OSGVRMLSceneFileType.cpp

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\*---------------------------------------------------------------------------*/

#include <stdlib.h>
#include <stdio.h>

#include <fstream>

#include "OSGConfig.h"

#include "OSGVRMLSceneFileType.h"
#include "OSGVRMLWriteAction.h"

OSG_USING_NAMESPACE

const Char8 *VRMLSceneFileType::_suffixA[] =  { "wrl" };

VRMLSceneFileType VRMLSceneFileType::_the(_suffixA,
                                          sizeof(_suffixA),
                                          false,
                                          10,
                                          OSG_READ_SUPPORTED | 
                                          OSG_WRITE_SUPPORTED);

VRMLFile *VRMLSceneFileType::_pVRMLLoader = NULL;

/*-------------------------------------------------------------------------*/
/*                                The                                      */

VRMLSceneFileType &VRMLSceneFileType::the(void)
{
    return _the;
}


/*-------------------------------------------------------------------------*/
/*                             Destructor                                  */

VRMLSceneFileType::~VRMLSceneFileType(void)
{
}

/*-------------------------------------------------------------------------*/
/*                                Get                                      */

const Char8 *VRMLSceneFileType::getName(void) const
{
    return "VRML GEOMETRY";
}

/*-------------------------------------------------------------------------*/
/*                               Read                                      */

NodePtr VRMLSceneFileType::read(std::istream &is, const Char8 *) const
{
    if(_pVRMLLoader == NULL)
    {
        _pVRMLLoader = new VRMLFile();

//        _pVRMLLoader->scanStandardPrototypes("std.wrl", 0);
        _pVRMLLoader->createStandardPrototypes();
    }

    _pVRMLLoader->scanStream(is);

    return  _pVRMLLoader->getRoot();
}

/*-------------------------------------------------------------------------*/
/*                               Write                                     */

bool VRMLSceneFileType::write(const NodePtr &node, std::ostream &os,
                              const Char8 *fileNameOrExtension) const
{
    // This is a hack but should be safer.
    std::ofstream *osf = dynamic_cast<std::ofstream *>(&os);
    if(osf != NULL)
        osf->close();
    
    VRMLWriteAction *pWriter = VRMLWriteAction::create();

    pWriter->open(fileNameOrExtension);

    pWriter->write(node);

    pWriter->close();

    return true;
}

/*-------------------------------------------------------------------------*/
/*                            Constructors                                 */

VRMLSceneFileType::VRMLSceneFileType(const Char8  *suffixArray[],
                                           UInt16  suffixByteCount,
                                           bool    override,
                                           UInt32  overridePriority,
                                           UInt32  flags) :
    Inherited(suffixArray,
              suffixByteCount,
              override,
              overridePriority,
              flags)
{
}


/*-------------------------------------------------------------------------*/
/*                              cvs id's                                   */

#ifdef __sgi
#pragma set woff 1174
#endif

#ifdef OSG_LINUX_ICC
#pragma warning( disable : 177 )
#endif

namespace
{
    static Char8 cvsid_cpp[] = "@(#)$Id: $";
    static Char8 cvsid_hpp[] = OSGVRMLSCENEFILETYPE_HEADER_CVSID;
}

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