Example #1
0
OGRDataSource *OGRDGNDriver::Open( const char * pszFilename, int bUpdate )

{
    OGRDGNDataSource    *poDS;

    poDS = new OGRDGNDataSource();

    if( !poDS->Open( pszFilename, TRUE, bUpdate )
        || poDS->GetLayerCount() == 0 )
    {
        delete poDS;
        return NULL;
    }
    else
        return poDS;
}
Example #2
0
static GDALDataset *OGRDGNDriverOpen( GDALOpenInfo* poOpenInfo )

{
    if( !OGRDGNDriverIdentify(poOpenInfo) )
        return NULL;

    OGRDGNDataSource *poDS = new OGRDGNDataSource();

    if( !poDS->Open( poOpenInfo->pszFilename, TRUE,
                     (poOpenInfo->eAccess == GA_Update) )
        || poDS->GetLayerCount() == 0 )
    {
        delete poDS;
        return NULL;
    }

    return poDS;
}
Example #3
0
OGRDataSource *OGRDGNDriver::CreateDataSource( const char * pszName,
                                               char **papszOptions )

{
/* -------------------------------------------------------------------- */
/*      Return a new OGRDataSource()                                    */
/* -------------------------------------------------------------------- */
    OGRDGNDataSource    *poDS = NULL;

    poDS = new OGRDGNDataSource();
    
    if( !poDS->PreCreate( pszName, papszOptions ) )
    {
        delete poDS;
        return NULL;
    }
    else
        return poDS;
}
Example #4
0
static GDALDataset *OGRDGNDriverCreate( const char * pszName,
                                        CPL_UNUSED int nBands,
                                        CPL_UNUSED int nXSize,
                                        CPL_UNUSED int nYSize,
                                        CPL_UNUSED GDALDataType eDT,
                                        char **papszOptions )
{
/* -------------------------------------------------------------------- */
/*      Return a new OGRDataSource()                                    */
/* -------------------------------------------------------------------- */
    OGRDGNDataSource    *poDS = NULL;

    poDS = new OGRDGNDataSource();

    if( !poDS->PreCreate( pszName, papszOptions ) )
    {
        delete poDS;
        return NULL;
    }
    else
        return poDS;
}
Example #5
0
static GDALDataset *OGRDGNDriverCreate( const char * pszName,
                                        int /* nBands */,
                                        int /* nXSize */,
                                        int /* nYSize */,
                                        GDALDataType /* eDT */,
                                        char **papszOptions )
{
/* -------------------------------------------------------------------- */
/*      Return a new OGRDataSource()                                    */
/* -------------------------------------------------------------------- */
    OGRDGNDataSource    *poDS = NULL;

    poDS = new OGRDGNDataSource();

    if( !poDS->PreCreate( pszName, papszOptions ) )
    {
        delete poDS;
        return NULL;
    }

    return poDS;
}