int OGRTABDataSource::Create( const char * pszName, char **papszOptions ) { CPLAssert(m_pszName == nullptr); m_pszName = CPLStrdup(pszName); m_papszOptions = CSLDuplicate(papszOptions); m_bUpdate = TRUE; const char *pszOpt = CSLFetchNameValue(papszOptions, "FORMAT"); if( pszOpt != nullptr && EQUAL(pszOpt, "MIF") ) m_bCreateMIF = TRUE; else if( EQUAL(CPLGetExtension(pszName),"mif") || EQUAL(CPLGetExtension(pszName),"mid") ) m_bCreateMIF = TRUE; if( (pszOpt = CSLFetchNameValue(papszOptions,"SPATIAL_INDEX_MODE")) != nullptr ) { if( EQUAL(pszOpt, "QUICK") ) m_bQuickSpatialIndexMode = TRUE; else if( EQUAL(pszOpt, "OPTIMIZED") ) m_bQuickSpatialIndexMode = FALSE; } m_nBlockSize = atoi(CSLFetchNameValueDef(papszOptions, "BLOCKSIZE", "512")); // Create a new empty directory. VSIStatBufL sStat; if( strlen(CPLGetExtension(pszName)) == 0 ) { if( VSIStatL( pszName, &sStat ) == 0 ) { if( !VSI_ISDIR(sStat.st_mode) ) { CPLError(CE_Failure, CPLE_OpenFailed, "Attempt to create dataset named %s,\n" "but that is an existing file.", pszName); return FALSE; } } else { if( VSIMkdir(pszName, 0755) != 0 ) { CPLError(CE_Failure, CPLE_AppDefined, "Unable to create directory %s.", pszName); return FALSE; } } m_pszDirectory = CPLStrdup(pszName); } // Create a new single file. else { IMapInfoFile *poFile = nullptr; const char *pszEncoding( CSLFetchNameValue( papszOptions, "ENCODING" ) ); const char *pszCharset( IMapInfoFile::EncodingToCharset( pszEncoding ) ); if( m_bCreateMIF ) { poFile = new MIFFile; if( poFile->Open(m_pszName, TABWrite, FALSE, pszCharset) != 0 ) { delete poFile; return FALSE; } } else { TABFile *poTabFile = new TABFile; if( poTabFile->Open(m_pszName, TABWrite, FALSE, m_nBlockSize, pszCharset) != 0 ) { delete poTabFile; return FALSE; } poFile = poTabFile; } m_nLayerCount = 1; m_papoLayers = static_cast<IMapInfoFile **>(CPLMalloc(sizeof(void *))); m_papoLayers[0] = poFile; m_pszDirectory = CPLStrdup(CPLGetPath(pszName)); m_bSingleFile = TRUE; } return TRUE; }
OGRLayer * OGRTABDataSource::ICreateLayer( const char *pszLayerName, OGRSpatialReference *poSRSIn, OGRwkbGeometryType /* eGeomTypeIn */, char **papszOptions ) { if( !m_bUpdate ) { CPLError( CE_Failure, CPLE_AppDefined, "Cannot create layer on read-only dataset."); return nullptr; } // If it is a single file mode file, then we may have already // instantiated the low level layer. We would just need to // reset the coordinate system and (potentially) bounds. IMapInfoFile *poFile = nullptr; char *pszFullFilename = nullptr; const char *pszEncoding = CSLFetchNameValue( papszOptions, "ENCODING" ); const char *pszCharset( IMapInfoFile::EncodingToCharset( pszEncoding ) ); if( m_bSingleFile ) { if( m_bSingleLayerAlreadyCreated ) { CPLError( CE_Failure, CPLE_AppDefined, "Unable to create new layers in this single file dataset."); return nullptr; } m_bSingleLayerAlreadyCreated = TRUE; poFile = (IMapInfoFile *) m_papoLayers[0]; if( pszEncoding ) poFile->SetCharset( pszCharset ); } else { if( m_bCreateMIF ) { pszFullFilename = CPLStrdup(CPLFormFilename(m_pszDirectory, pszLayerName, "mif")); poFile = new MIFFile; if( poFile->Open(pszFullFilename, TABWrite, FALSE, pszCharset) != 0 ) { CPLFree(pszFullFilename); delete poFile; return nullptr; } } else { pszFullFilename = CPLStrdup(CPLFormFilename(m_pszDirectory, pszLayerName, "tab")); TABFile *poTABFile = new TABFile; if( poTABFile->Open(pszFullFilename, TABWrite, FALSE, m_nBlockSize, pszCharset) != 0 ) { CPLFree(pszFullFilename); delete poTABFile; return nullptr; } poFile = poTABFile; } m_nLayerCount++; m_papoLayers = static_cast<IMapInfoFile **>( CPLRealloc(m_papoLayers,sizeof(void*)*m_nLayerCount)); m_papoLayers[m_nLayerCount-1] = poFile; CPLFree(pszFullFilename); } poFile->SetDescription(poFile->GetName()); // Assign the coordinate system (if provided) and set // reasonable bounds. if( poSRSIn != nullptr ) { poFile->SetSpatialRef(poSRSIn); // SetSpatialRef() has cloned the passed geometry poFile->GetLayerDefn()->GetGeomFieldDefn(0)->SetSpatialRef( poFile->GetSpatialRef()); } // Pull out the bounds if supplied const char *pszOpt = nullptr; if( (pszOpt = CSLFetchNameValue(papszOptions, "BOUNDS")) != nullptr ) { double dfBounds[4]; if( CPLsscanf(pszOpt, "%lf,%lf,%lf,%lf", &dfBounds[0], &dfBounds[1], &dfBounds[2], &dfBounds[3]) != 4 ) { CPLError( CE_Failure, CPLE_IllegalArg, "Invalid BOUNDS parameter, expected min_x,min_y,max_x,max_y"); } else { poFile->SetBounds(dfBounds[0], dfBounds[1], dfBounds[2], dfBounds[3]); } } if( !poFile->IsBoundsSet() && !m_bCreateMIF ) { if( poSRSIn != nullptr && poSRSIn->GetRoot() != nullptr && EQUAL(poSRSIn->GetRoot()->GetValue(),"GEOGCS") ) poFile->SetBounds(-1000, -1000, 1000, 1000); else poFile->SetBounds(-30000000, -15000000, 30000000, 15000000); } if(m_bQuickSpatialIndexMode == TRUE && poFile->SetQuickSpatialIndexMode(TRUE) != 0) { CPLError(CE_Warning, CPLE_AppDefined, "Setting Quick Spatial Index Mode failed."); } else if(m_bQuickSpatialIndexMode == FALSE && poFile->SetQuickSpatialIndexMode(FALSE) != 0) { CPLError(CE_Warning, CPLE_AppDefined, "Setting Normal Spatial Index Mode failed."); } return poFile; }
/********************************************************************** * IMapInfoFile::SmartOpen() * * Use this static method to automatically open any flavour of MapInfo * dataset. This method will detect the file type, create an object * of the right type, and open the file. * * Call GetFileClass() on the returned object if you need to find out * its exact type. (To access format-specific methods for instance) * * Returns the new object ptr. , or NULL if the open failed. **********************************************************************/ IMapInfoFile *IMapInfoFile::SmartOpen(const char *pszFname, GBool bTestOpenNoError /*=FALSE*/) { IMapInfoFile *poFile = NULL; int nLen = 0; if (pszFname) nLen = strlen(pszFname); if (nLen > 4 && (EQUAL(pszFname + nLen-4, ".MIF") || EQUAL(pszFname + nLen-4, ".MID") ) ) { /*------------------------------------------------------------- * MIF/MID file *------------------------------------------------------------*/ poFile = new MIFFile; } else if (nLen > 4 && EQUAL(pszFname + nLen-4, ".TAB")) { /*------------------------------------------------------------- * .TAB file ... is it a TABFileView or a TABFile? * We have to read the .tab header to find out. *------------------------------------------------------------*/ FILE *fp; const char *pszLine; char *pszAdjFname = CPLStrdup(pszFname); GBool bFoundFields = FALSE, bFoundView=FALSE, bFoundSeamless=FALSE; TABAdjustFilenameExtension(pszAdjFname); fp = VSIFOpen(pszAdjFname, "r"); while(fp && (pszLine = CPLReadLine(fp)) != NULL) { while (isspace((unsigned char)*pszLine)) pszLine++; if (EQUALN(pszLine, "Fields", 6)) bFoundFields = TRUE; else if (EQUALN(pszLine, "create view", 11)) bFoundView = TRUE; else if (EQUALN(pszLine, "\"\\IsSeamless\" = \"TRUE\"", 21)) bFoundSeamless = TRUE; } if (bFoundView) poFile = new TABView; else if (bFoundFields && bFoundSeamless) poFile = new TABSeamless; else if (bFoundFields) poFile = new TABFile; if (fp) VSIFClose(fp); CPLFree(pszAdjFname); } /*----------------------------------------------------------------- * Perform the open() call *----------------------------------------------------------------*/ if (poFile && poFile->Open(pszFname, "r", bTestOpenNoError) != 0) { delete poFile; poFile = NULL; } if (!bTestOpenNoError && poFile == NULL) { CPLError(CE_Failure, CPLE_FileIO, "%s could not be opened as a MapInfo dataset.", pszFname); } return poFile; }
OGRLayer * OGRTABDataSource::CreateLayer( const char * pszLayerName, OGRSpatialReference *poSRSIn, OGRwkbGeometryType /* eGeomTypeIn */, char ** /* papszOptions */ ) { IMapInfoFile *poFile; char *pszFullFilename; /* -------------------------------------------------------------------- */ /* If it's a single file mode file, then we may have already */ /* instantiated the low level layer. We would just need to */ /* reset the coordinate system and (potentially) bounds. */ /* -------------------------------------------------------------------- */ if( m_bSingleFile ) { if( m_bSingleLayerAlreadyCreated ) { CPLError( CE_Failure, CPLE_AppDefined, "Unable to create new layers in this single file dataset."); return NULL; } m_bSingleLayerAlreadyCreated = TRUE; poFile = (IMapInfoFile *) m_papoLayers[0]; } /* -------------------------------------------------------------------- */ /* We need to initially create the file, and add it as a layer. */ /* -------------------------------------------------------------------- */ else { if( m_bCreateMIF ) { pszFullFilename = CPLStrdup( CPLFormFilename( m_pszDirectory, pszLayerName, "mif" ) ); poFile = new MIFFile; } else { pszFullFilename = CPLStrdup( CPLFormFilename( m_pszDirectory, pszLayerName, "tab" ) ); poFile = new TABFile; } if( poFile->Open( pszFullFilename, "wb", FALSE ) != 0 ) { CPLFree( pszFullFilename ); delete poFile; return FALSE; } m_nLayerCount++; m_papoLayers = (IMapInfoFile **) CPLRealloc(m_papoLayers,sizeof(void*)*m_nLayerCount); m_papoLayers[m_nLayerCount-1] = poFile; CPLFree( pszFullFilename ); } /* -------------------------------------------------------------------- */ /* Assign the coordinate system (if provided) and set */ /* reasonable bounds. */ /* -------------------------------------------------------------------- */ if( poSRSIn != NULL ) poFile->SetSpatialRef( poSRSIn ); if( !poFile->IsBoundsSet() && !m_bCreateMIF ) { if( poSRSIn != NULL && poSRSIn->GetRoot() != NULL && EQUAL(poSRSIn->GetRoot()->GetValue(),"GEOGCS") ) poFile->SetBounds( -1000, -1000, 1000, 1000 ); else poFile->SetBounds( -30000000, -15000000, 30000000, 15000000 ); } if (m_bQuickSpatialIndexMode && poFile->SetQuickSpatialIndexMode() != 0) { CPLError( CE_Warning, CPLE_AppDefined, "Setting Quick Spatial Index Mode failed."); } return poFile; }
int OGRTABDataSource::Create( const char * pszName, char **papszOptions ) { VSIStatBuf sStat; const char *pszOpt; CPLAssert( m_pszName == NULL ); m_pszName = CPLStrdup( pszName ); m_papszOptions = CSLDuplicate( papszOptions ); if( (pszOpt=CSLFetchNameValue(papszOptions,"FORMAT")) != NULL && EQUAL(pszOpt, "MIF") ) m_bCreateMIF = TRUE; else if( EQUAL(CPLGetExtension(pszName),"mif") || EQUAL(CPLGetExtension(pszName),"mid") ) m_bCreateMIF = TRUE; if( (pszOpt=CSLFetchNameValue(papszOptions,"SPATIAL_INDEX_MODE")) != NULL && EQUAL(pszOpt, "QUICK") ) m_bQuickSpatialIndexMode = TRUE; /* -------------------------------------------------------------------- */ /* Create a new empty directory. */ /* -------------------------------------------------------------------- */ if( strlen(CPLGetExtension(pszName)) == 0 ) { if( VSIStat( pszName, &sStat ) == 0 ) { if( !VSI_ISDIR(sStat.st_mode) ) { CPLError( CE_Failure, CPLE_OpenFailed, "Attempt to create dataset named %s,\n" "but that is an existing file.\n", pszName ); return FALSE; } } else { if( VSIMkdir( pszName, 0755 ) != 0 ) { CPLError( CE_Failure, CPLE_AppDefined, "Unable to create directory %s.\n", pszName ); return FALSE; } } m_pszDirectory = CPLStrdup(pszName); } /* -------------------------------------------------------------------- */ /* Create a new single file. */ /* -------------------------------------------------------------------- */ else { IMapInfoFile *poFile; if( m_bCreateMIF ) poFile = new MIFFile; else poFile = new TABFile; if( poFile->Open( pszName, "wb", FALSE ) != 0 ) { delete poFile; return FALSE; } m_nLayerCount = 1; m_papoLayers = (IMapInfoFile **) CPLMalloc(sizeof(void*)); m_papoLayers[0] = poFile; m_pszDirectory = CPLStrdup( CPLGetPath(pszName) ); m_bSingleFile = TRUE; } return TRUE; }
/********************************************************************** * IMapInfoFile::SmartOpen() * * Use this static method to automatically open any flavor of MapInfo * dataset. This method will detect the file type, create an object * of the right type, and open the file. * * Call GetFileClass() on the returned object if you need to find out * its exact type. (To access format-specific methods for instance) * * Returns the new object ptr. , or NULL if the open failed. **********************************************************************/ IMapInfoFile *IMapInfoFile::SmartOpen(const char *pszFname, GBool bUpdate, GBool bTestOpenNoError /*=FALSE*/) { IMapInfoFile *poFile = nullptr; int nLen = 0; if (pszFname) nLen = static_cast<int>(strlen(pszFname)); if (nLen > 4 && (EQUAL(pszFname + nLen-4, ".MIF") || EQUAL(pszFname + nLen-4, ".MID") ) ) { /*------------------------------------------------------------- * MIF/MID file *------------------------------------------------------------*/ poFile = new MIFFile; } else if (nLen > 4 && EQUAL(pszFname + nLen-4, ".TAB")) { /*------------------------------------------------------------- * .TAB file ... is it a TABFileView or a TABFile? * We have to read the .tab header to find out. *------------------------------------------------------------*/ char *pszAdjFname = CPLStrdup(pszFname); GBool bFoundFields = FALSE; GBool bFoundView = FALSE; GBool bFoundSeamless = FALSE; TABAdjustFilenameExtension(pszAdjFname); VSILFILE *fp = VSIFOpenL(pszAdjFname, "r"); const char *pszLine = nullptr; while(fp && (pszLine = CPLReadLineL(fp)) != nullptr) { while (isspace(static_cast<unsigned char>(*pszLine))) pszLine++; if (STARTS_WITH_CI(pszLine, "Fields")) bFoundFields = TRUE; else if (STARTS_WITH_CI(pszLine, "create view")) bFoundView = TRUE; else if (STARTS_WITH_CI(pszLine, "\"\\IsSeamless\" = \"TRUE\"")) bFoundSeamless = TRUE; } if (bFoundView) poFile = new TABView; else if (bFoundFields && bFoundSeamless) poFile = new TABSeamless; else if (bFoundFields) poFile = new TABFile; if (fp) VSIFCloseL(fp); CPLFree(pszAdjFname); } /*----------------------------------------------------------------- * Perform the open() call *----------------------------------------------------------------*/ if (poFile && poFile->Open(pszFname, bUpdate ? TABReadWrite : TABRead, bTestOpenNoError) != 0) { delete poFile; poFile = nullptr; } if (!bTestOpenNoError && poFile == nullptr) { CPLError(CE_Failure, CPLE_FileIO, "%s could not be opened as a MapInfo dataset.", pszFname); } return poFile; }