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; }