Line data    Source code

       1             : /******************************************************************************
       2             :  *
       3             :  * Project:  OGR
       4             :  * Purpose:  OGRAVCBinDriver implementation (Arc/Info Binary Coverages)
       5             :  * Author:   Frank Warmerdam, warmerdam@pobox.com
       6             :  *
       7             :  ******************************************************************************
       8             :  * Copyright (c) 2002, Frank Warmerdam <warmerdam@pobox.com>
       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_avc.h"
      30             : 
      31             : /************************************************************************/
      32             : /*                                Open()                                */
      33             : /************************************************************************/
      34             : 
      35       20665 : static GDALDataset *OGRAVCBinDriverOpen(GDALOpenInfo *poOpenInfo)
      36             : 
      37             : {
      38       20665 :     if (poOpenInfo->eAccess == GA_Update)
      39         166 :         return nullptr;
      40       20499 :     if (!poOpenInfo->bStatOK)
      41       19609 :         return nullptr;
      42         890 :     if (poOpenInfo->fpL != nullptr)
      43             :     {
      44         484 :         char **papszSiblingFiles = poOpenInfo->GetSiblingFiles();
      45         484 :         if (papszSiblingFiles != nullptr)
      46             :         {
      47         475 :             bool bFoundCandidateFile = false;
      48       19220 :             for (int i = 0; papszSiblingFiles[i] != nullptr; i++)
      49             :             {
      50       18745 :                 if (EQUAL(CPLGetExtension(papszSiblingFiles[i]), "ADF"))
      51             :                 {
      52           0 :                     bFoundCandidateFile = true;
      53           0 :                     break;
      54             :                 }
      55             :             }
      56         475 :             if (!bFoundCandidateFile)
      57         475 :                 return nullptr;
      58             :         }
      59             :     }
      60             : 
      61         415 :     OGRAVCBinDataSource *poDS = new OGRAVCBinDataSource();
      62             : 
      63         415 :     if (poDS->Open(poOpenInfo->pszFilename, TRUE) && poDS->GetLayerCount() > 0)
      64             :     {
      65           3 :         return poDS;
      66             :     }
      67         412 :     delete poDS;
      68             : 
      69         412 :     return nullptr;
      70             : }
      71             : 
      72             : /************************************************************************/
      73             : /*                           RegisterOGRAVC()                           */
      74             : /************************************************************************/
      75             : 
      76        1520 : void RegisterOGRAVCBin()
      77             : 
      78             : {
      79        1520 :     if (GDALGetDriverByName("AVCBin") != nullptr)
      80         301 :         return;
      81             : 
      82        1219 :     GDALDriver *poDriver = new GDALDriver();
      83             : 
      84        1219 :     poDriver->SetDescription("AVCBin");
      85        1219 :     poDriver->SetMetadataItem(GDAL_DCAP_VECTOR, "YES");
      86        1219 :     poDriver->SetMetadataItem(GDAL_DMD_LONGNAME, "Arc/Info Binary Coverage");
      87        1219 :     poDriver->SetMetadataItem(GDAL_DMD_HELPTOPIC, "drivers/vector/avcbin.html");
      88        1219 :     poDriver->SetMetadataItem(GDAL_DCAP_VIRTUALIO, "YES");
      89        1219 :     poDriver->SetMetadataItem(GDAL_DCAP_MULTIPLE_VECTOR_LAYERS, "YES");
      90        1219 :     poDriver->SetMetadataItem(GDAL_DMD_SUPPORTED_SQL_DIALECTS, "OGRSQL SQLITE");
      91             : 
      92        1219 :     poDriver->pfnOpen = OGRAVCBinDriverOpen;
      93             : 
      94        1219 :     GetGDALDriverManager()->RegisterDriver(poDriver);
      95             : }