NodeTransitPtr SceneFileHandlerBase::read(const Char8 *fileName,
GraphOpSeq *graphOpSeq,
Resolver resolver,
bool bWarnNotFound )
{
NodeTransitPtr returnValue(NULL);
if(fileName == NULL)
{
SWARNING << "cannot read NULL file" << std::endl;
return NodeTransitPtr(NULL);
}
std::string fullFilePath = initPathHandler(fileName);
if(fullFilePath.empty() == true)
{
if(_readFP != NULL)
{
// that's a fallback could be a url so the callback
// can handle this correctly.
SceneFileType *type = getFileType(fileName);
if(type != NULL)
{
// create a dummy stream with the bad flag set.
std::ifstream in;
in.setstate(std::ios::badbit);
returnValue = _readFP(type, in, fileName);
}
else
{
if(bWarnNotFound == true)
SWARNING << "Couldn't open file " << fileName << std::endl;
}
}
else
{
if(bWarnNotFound == true)
SWARNING << "Couldn't open file " << fileName << std::endl;
}
commitChanges();
return returnValue;
}
SceneFileType *type = getFileType(fullFilePath.c_str());
NodeUnrecPtr scene = NULL;
if(type != NULL)
{
triggerReadBegin(fullFilePath.c_str());
updateReadProgress(0);
SINFO << "try to read " << fullFilePath
<< " as " << type->getName() << std::endl;
std::ifstream in(fullFilePath.c_str(), std::ios::binary);
if(in)
{
scene = read(in, fullFilePath.c_str(), graphOpSeq);
in.close();
if(scene != NULL)
{
triggerReadEnd(fullFilePath.c_str());
FileContextAttachmentUnrecPtr pFContext =
dynamic_cast<FileContextAttachment *>(
scene->findAttachment(
FileContextAttachment::getClassGroupId()));
if(pFContext == NULL)
{
pFContext = FileContextAttachment::create();
pFContext->setResolvedName(fullFilePath);
scene->addAttachment(pFContext);
}
}
}
else
{
if(bWarnNotFound == true)
{
SWARNING << "Couldn't open input stream for file "
<< fullFilePath
<< std::endl;
}
}
#ifndef OSG_DISABLE_DEPRECATED
// Ok stream interface didn't work try via filename
if(scene == NULL)
scene = type->readFile(fullFilePath.c_str());
if(scene != NULL)
{
if(graphOpSeq != NULL)
graphOpSeq->run(scene);
SINFO << "read ok:" << std::endl;
}
else
{
if(bWarnNotFound == true)
SWARNING << "could not read " << std::endl;
}
#endif
#if 0
if(scene != NULL && graphOpSeq != NULL)
{
SINFO << "Running GraphOps..." << std::endl;
graphOpSeq->run(scene);
}
#endif
}
else
{
if(bWarnNotFound == true)
{
SWARNING << "could not read " << fullFilePath
<< "; unknown file format" << std::endl;
}
}
commitChanges();
return NodeTransitPtr(scene);
}
NodePtr SceneFileHandler::read(const Char8 *fileName,
GraphOpSeq *graphOpSeq)
{
if(!fileName)
{
SWARNING << "cannot read NULL file" << std::endl;
return NullFC;
}
std::string fullFilePath = initPathHandler(fileName);
if(fullFilePath.empty())
{
if(_readFP != NULL)
{
// that's a fallback could be a url so the callback
// can handle this correctly.
SceneFileType *type = getFileType(fileName);
if(type != NULL)
{
// create a dummy stream with the bad flag set.
std::ifstream in;
in.setstate(std::ios::badbit);
return _readFP(type, in, fileName);
}
else
{
SWARNING << "Couldn't open file " << fileName << std::endl;
return NullFC;
}
}
else
{
SWARNING << "Couldn't open file " << fileName << std::endl;
return NullFC;
}
}
SceneFileType *type = getFileType(fullFilePath.c_str());
NodePtr scene = NullFC;
if (type)
{
triggerReadBegin(fullFilePath.c_str());
updateReadProgress(0);
SINFO << "try to read " << fullFilePath
<< " as " << type->getName() << std::endl;
std::ifstream in(fullFilePath.c_str(), std::ios::binary);
if(in)
{
scene = read(in, fullFilePath.c_str(), graphOpSeq);
in.close();
if(scene != NullFC)
{
triggerReadEnd(fullFilePath.c_str());
return scene;
}
}
else
{
SWARNING << "Couldn't open input stream for file " << fullFilePath << std::endl;
}
#ifndef OSG_DISABLE_DEPRECATED
// Ok stream interface didn't work try via filename
if(scene == NullFC)
scene = type->readFile(fullFilePath.c_str());
if (scene != NullFC)
{
if(graphOpSeq != NULL)
graphOpSeq->run(scene);
SINFO << "read ok:" << std::endl;
}
else
{
SWARNING << "could not read " << std::endl;
}
#endif
}
else
{
SWARNING << "could not read " << fullFilePath
<< "; unknown file format" << std::endl;
}
return scene;
}
NodeTransitPtr SceneFileHandlerBase::read(
std::istream &is,
const Char8 *fileNameOrExtension,
GraphOpSeq *graphOpSeq ,
Resolver resolver )
{
SceneFileType *type = getFileType(fileNameOrExtension);
NodeUnrecPtr scene = NULL;
if(!fileNameOrExtension)
{
SWARNING << "cannot read NULL extension" << std::endl;
return NodeTransitPtr(scene);
}
if(type != NULL)
{
SINFO << "try to read stream as " << type->getName() << std::endl;
// check for fileio read callback
if(_readFP != NULL)
{
initReadProgress(is);
scene = _readFP(type, is, fileNameOrExtension);
terminateReadProgress();
}
else
{
if(isGZip(is))
{
SINFO << "Detected gzip compressed stream." << std::endl;
#ifdef OSG_WITH_ZLIB
initReadProgress(is);
zip_istream unzipper(is);
scene = type->read(unzipper,
fileNameOrExtension,
resolver ? resolver : _oGlobalResolver);
if(scene != NULL)
{
if(unzipper.check_crc() == true)
{
SINFO << "Compressed stream has correct checksum."
<< std::endl;
}
else
{
SWARNING << "Compressed stream has wrong checksum."
<< std::endl;
}
}
terminateReadProgress();
#else
SFATAL << "Compressed streams are not supported! Configure "
<< "with --enable-png --with-png=DIR options."
<< std::endl;
#endif
}
else
{
initReadProgress(is);
scene = type->read(is,
fileNameOrExtension,
resolver ? resolver : _oGlobalResolver);
terminateReadProgress();
}
}
if(scene != NULL)
{
if(graphOpSeq != NULL)
graphOpSeq->traverse(scene);
SINFO << "read ok:" << std::endl;
}
else
{
SWARNING << "could not read " << std::endl;
}
}
else
{
SWARNING << "could not read unknown file format" << std::endl;
}
commitChanges();
return NodeTransitPtr(scene);
}
NodePtr SceneFileHandler::read(std::istream &is, const Char8* fileNameOrExtension,
GraphOpSeq *graphOpSeq)
{
SceneFileType *type = getFileType(fileNameOrExtension);
NodePtr scene = NullFC;
if(!fileNameOrExtension)
{
SWARNING << "cannot read NULL extension" << std::endl;
return NullFC;
}
if (type)
{
SINFO << "try to read stream as " << type->getName() << std::endl;
// check for fileio read callback
if(_readFP != NULL)
{
initReadProgress(is);
scene = _readFP(type, is, fileNameOrExtension);
terminateReadProgress();
}
else
{
if(isGZip(is))
{
SINFO << "Detected gzip compressed stream." << std::endl;
#ifdef OSG_ZSTREAM_SUPPORTED
initReadProgress(is);
zip_istream unzipper(is);
scene = type->read(unzipper, fileNameOrExtension);
if(scene != NullFC)
{
if(unzipper.check_crc())
SINFO << "Compressed stream has correct checksum." << std::endl;
else
SFATAL << "Compressed stream has wrong checksum." << std::endl;
}
terminateReadProgress();
#else
SFATAL << "Compressed streams are not supported! Configure with --enable-png --with-png=DIR options." << std::endl;
#endif
}
else
{
initReadProgress(is);
scene = type->read(is, fileNameOrExtension);
terminateReadProgress();
}
}
if(scene != NullFC)
{
if(graphOpSeq != NULL)
graphOpSeq->run(scene);
SINFO << "read ok:" << std::endl;
}
else
{
SWARNING << "could not read " << std::endl;
}
}
else
{
SWARNING << "could not read unknown file format" << std::endl;
}
return scene;
}
