Line data    Source code

       1             : /******************************************************************************
       2             :  *
       3             :  * Project:  OpenGIS Simple Features Reference Implementation
       4             :  * Purpose:  Implements OGRPGDriver class.
       5             :  * Author:   Frank Warmerdam, warmerdam@pobox.com
       6             :  *
       7             :  ******************************************************************************
       8             :  * Copyright (c) 2000, Frank Warmerdam
       9             :  *
      10             :  * Permission is hereby granted, free of charge, to any person obtaining a
      11             :  * copy of this software and associated documentation files (the "Software"),
      12             :  * to deal in the Software without restriction, including without limitation
      13             :  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      14             :  * and/or sell copies of the Software, and to permit persons to whom the
      15             :  * Software is furnished to do so, subject to the following conditions:
      16             :  *
      17             :  * The above copyright notice and this permission notice shall be included
      18             :  * in all copies or substantial portions of the Software.
      19             :  *
      20             :  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
      21             :  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      22             :  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
      23             :  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      24             :  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
      25             :  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
      26             :  * DEALINGS IN THE SOFTWARE.
      27             :  ****************************************************************************/
      28             : 
      29             : #include "ogr_pg.h"
      30             : #include "cpl_conv.h"
      31             : 
      32             : #include "ogrpgdrivercore.h"
      33             : 
      34             : /************************************************************************/
      35             : /*                                Open()                                */
      36             : /************************************************************************/
      37             : 
      38         383 : static GDALDataset *OGRPGDriverOpen(GDALOpenInfo *poOpenInfo)
      39             : 
      40             : {
      41         383 :     if (!OGRPGDriverIdentify(poOpenInfo))
      42           0 :         return nullptr;
      43             : 
      44         383 :     OGRPGDataSource *poDS = new OGRPGDataSource();
      45             : 
      46         383 :     if (!poDS->Open(poOpenInfo->pszFilename, poOpenInfo->eAccess == GA_Update,
      47             :                     TRUE, poOpenInfo->papszOpenOptions))
      48             :     {
      49           5 :         delete poDS;
      50           5 :         return nullptr;
      51             :     }
      52             :     else
      53         378 :         return poDS;
      54             : }
      55             : 
      56             : /************************************************************************/
      57             : /*                          CreateDataSource()                          */
      58             : /************************************************************************/
      59             : 
      60             : static GDALDataset *
      61           2 : OGRPGDriverCreate(const char *pszName, CPL_UNUSED int nBands,
      62             :                   CPL_UNUSED int nXSize, CPL_UNUSED int nYSize,
      63             :                   CPL_UNUSED GDALDataType eDT, char **papszOptions)
      64             : 
      65             : {
      66           2 :     OGRPGDataSource *poDS = new OGRPGDataSource();
      67             : 
      68           2 :     if (!poDS->Open(pszName, TRUE, TRUE, papszOptions))
      69             :     {
      70           0 :         delete poDS;
      71           0 :         CPLError(
      72             :             CE_Failure, CPLE_AppDefined,
      73             :             "PostgreSQL driver doesn't currently support database creation.\n"
      74             :             "Please create database with the `createdb' command.");
      75           0 :         return nullptr;
      76             :     }
      77             : 
      78           2 :     return poDS;
      79             : }
      80             : 
      81             : /************************************************************************/
      82             : /*                           RegisterOGRPG()                            */
      83             : /************************************************************************/
      84             : 
      85          25 : void RegisterOGRPG()
      86             : 
      87             : {
      88          25 :     if (!GDAL_CHECK_VERSION("PG driver"))
      89           0 :         return;
      90             : 
      91          25 :     if (GDALGetDriverByName(DRIVER_NAME) != nullptr)
      92           0 :         return;
      93             : 
      94          25 :     GDALDriver *poDriver = new GDALDriver();
      95          25 :     OGRPGDriverSetCommonMetadata(poDriver);
      96          25 :     poDriver->pfnOpen = OGRPGDriverOpen;
      97          25 :     poDriver->pfnCreate = OGRPGDriverCreate;
      98             : 
      99          25 :     GetGDALDriverManager()->RegisterDriver(poDriver);
     100             : }