LTP GCOV extension - code coverage report
Current view: directory - ogr/ogrsf_frmts/pgeo - ogrpgeodatasource.cpp
Test: gdal_filtered.info
Date: 2010-07-12 Instrumented lines: 73
Code covered: 0.0 % Executed lines: 0

       1                 : /******************************************************************************
       2                 :  * $Id: ogrpgeodatasource.cpp 10645 2007-01-18 02:22:39Z warmerdam $
       3                 :  *
       4                 :  * Project:  OpenGIS Simple Features Reference Implementation
       5                 :  * Purpose:  Implements OGRPGeoDataSource class.
       6                 :  * Author:   Frank Warmerdam, warmerdam@pobox.com
       7                 :  *
       8                 :  ******************************************************************************
       9                 :  * Copyright (c) 2005, Frank Warmerdam <warmerdam@pobox.com>
      10                 :  *
      11                 :  * Permission is hereby granted, free of charge, to any person obtaining a
      12                 :  * copy of this software and associated documentation files (the "Software"),
      13                 :  * to deal in the Software without restriction, including without limitation
      14                 :  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      15                 :  * and/or sell copies of the Software, and to permit persons to whom the
      16                 :  * Software is furnished to do so, subject to the following conditions:
      17                 :  *
      18                 :  * The above copyright notice and this permission notice shall be included
      19                 :  * in all copies or substantial portions of the Software.
      20                 :  *
      21                 :  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
      22                 :  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      23                 :  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
      24                 :  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      25                 :  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
      26                 :  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
      27                 :  * DEALINGS IN THE SOFTWARE.
      28                 :  ****************************************************************************/
      29                 : 
      30                 : #include "ogr_pgeo.h"
      31                 : #include "cpl_conv.h"
      32                 : #include "cpl_string.h"
      33                 : #include <vector>
      34                 : 
      35                 : CPL_CVSID("$Id: ogrpgeodatasource.cpp 10645 2007-01-18 02:22:39Z warmerdam $");
      36                 : 
      37                 : /************************************************************************/
      38                 : /*                         OGRPGeoDataSource()                          */
      39                 : /************************************************************************/
      40                 : 
      41               0 : OGRPGeoDataSource::OGRPGeoDataSource()
      42                 : 
      43                 : {
      44               0 :     pszName = NULL;
      45               0 :     papoLayers = NULL;
      46               0 :     nLayers = 0;
      47               0 : }
      48                 : 
      49                 : /************************************************************************/
      50                 : /*                         ~OGRPGeoDataSource()                         */
      51                 : /************************************************************************/
      52                 : 
      53               0 : OGRPGeoDataSource::~OGRPGeoDataSource()
      54                 : 
      55                 : {
      56                 :     int         i;
      57                 : 
      58               0 :     CPLFree( pszName );
      59                 : 
      60               0 :     for( i = 0; i < nLayers; i++ )
      61               0 :         delete papoLayers[i];
      62                 :     
      63               0 :     CPLFree( papoLayers );
      64               0 : }
      65                 : 
      66                 : /************************************************************************/
      67                 : /*                                Open()                                */
      68                 : /************************************************************************/
      69                 : 
      70                 : int OGRPGeoDataSource::Open( const char * pszNewName, int bUpdate,
      71               0 :                               int bTestOpen )
      72                 : 
      73                 : {
      74               0 :     CPLAssert( nLayers == 0 );
      75                 : 
      76                 : /* -------------------------------------------------------------------- */
      77                 : /*      If this is the name of an MDB file, then construct the          */
      78                 : /*      appropriate connection string.  Otherwise clip of PGEO: to      */
      79                 : /*      get the DSN.                                                    */
      80                 : /*                                                                      */
      81                 : /* -------------------------------------------------------------------- */
      82                 :     char *pszDSN;
      83               0 :     if( EQUALN(pszNewName,"PGEO:",5) )
      84               0 :         pszDSN = CPLStrdup( pszNewName + 5 );
      85                 :     else
      86                 :     {
      87               0 :         pszDSN = (char *) CPLMalloc(strlen(pszNewName)+50);
      88                 :         sprintf( pszDSN, "DRIVER=Microsoft Access Driver (*.mdb);DBQ=%s", 
      89               0 :                  pszNewName );
      90                 :     }
      91                 : 
      92                 : /* -------------------------------------------------------------------- */
      93                 : /*      Initialize based on the DSN.                                    */
      94                 : /* -------------------------------------------------------------------- */
      95               0 :     CPLDebug( "PGeo", "EstablishSession(%s)", pszDSN );
      96                 : 
      97               0 :     if( !oSession.EstablishSession( pszDSN, NULL, NULL ) )
      98                 :     {
      99                 :         CPLError( CE_Failure, CPLE_AppDefined, 
     100                 :                   "Unable to initialize ODBC connection to DSN for %s,\n"
     101               0 :                   "%s", pszDSN, oSession.GetLastError() );
     102               0 :         CPLFree( pszDSN );
     103               0 :         return FALSE;
     104                 :     }
     105                 : 
     106               0 :     CPLFree( pszDSN );
     107                 : 
     108               0 :     pszName = CPLStrdup( pszNewName );
     109                 :     
     110               0 :     bDSUpdate = bUpdate;
     111                 : 
     112                 : /* -------------------------------------------------------------------- */
     113                 : /*      Collect list of tables and their supporting info from           */
     114                 : /*      GDB_GeomColumns.                                                */
     115                 : /* -------------------------------------------------------------------- */
     116               0 :     std::vector<char **> apapszGeomColumns;
     117               0 :     CPLODBCStatement oStmt( &oSession );
     118                 :         
     119               0 :     oStmt.Append( "SELECT TableName, FieldName, ShapeType, ExtentLeft, ExtentRight, ExtentBottom, ExtentTop, SRID, HasZ FROM GDB_GeomColumns" );
     120                 : 
     121               0 :     if( !oStmt.ExecuteSQL() )
     122                 :     {
     123                 :         CPLDebug( "PGEO", 
     124                 :                   "SELECT on GDB_GeomColumns fails, perhaps not a personal geodatabase?\n%s", 
     125               0 :                   oSession.GetLastError() );
     126               0 :         return FALSE;
     127                 :     }
     128                 : 
     129               0 :     while( oStmt.Fetch() )
     130                 :     {
     131               0 :         int i, iNew = apapszGeomColumns.size();
     132               0 :         char **papszRecord = NULL;
     133               0 :         for( i = 0; i < 9; i++ )
     134                 :             papszRecord = CSLAddString( papszRecord, 
     135               0 :                                         oStmt.GetColData(i) );
     136               0 :         apapszGeomColumns.resize(iNew+1);
     137               0 :         apapszGeomColumns[iNew] = papszRecord;
     138                 :     }
     139                 :             
     140                 : /* -------------------------------------------------------------------- */
     141                 : /*      Create a layer for each spatial table.                          */
     142                 : /* -------------------------------------------------------------------- */
     143                 :     unsigned int iTable;
     144                 : 
     145                 :     papoLayers = (OGRPGeoLayer **) CPLCalloc(apapszGeomColumns.size(),
     146               0 :                                              sizeof(void*));
     147                 : 
     148               0 :     for( iTable = 0; iTable < apapszGeomColumns.size(); iTable++ )
     149                 :     {
     150               0 :         char **papszRecord = apapszGeomColumns[iTable];
     151                 :         OGRPGeoTableLayer  *poLayer;
     152                 : 
     153               0 :         poLayer = new OGRPGeoTableLayer( this );
     154                 : 
     155               0 :         if( poLayer->Initialize( papszRecord[0],         // TableName
     156                 :                                  papszRecord[1],         // FieldName
     157                 :                                  atoi(papszRecord[2]),   // ShapeType
     158                 :                                  atof(papszRecord[3]),   // ExtentLeft
     159                 :                                  atof(papszRecord[4]),   // ExtentRight
     160                 :                                  atof(papszRecord[5]),   // ExtentBottom
     161                 :                                  atof(papszRecord[6]),   // ExtentTop
     162                 :                                  atoi(papszRecord[7]),   // SRID
     163                 :                                  atoi(papszRecord[8]))  // HasZ
     164                 :             != CE_None )
     165                 :         {
     166               0 :             delete poLayer;
     167                 :         }
     168                 :         else
     169               0 :             papoLayers[nLayers++] = poLayer;
     170                 : 
     171               0 :         CSLDestroy( papszRecord );
     172                 :     }
     173                 :     
     174               0 :     return TRUE;
     175                 : }
     176                 : 
     177                 : /************************************************************************/
     178                 : /*                           TestCapability()                           */
     179                 : /************************************************************************/
     180                 : 
     181               0 : int OGRPGeoDataSource::TestCapability( const char * pszCap )
     182                 : 
     183                 : {
     184               0 :     return FALSE;
     185                 : }
     186                 : 
     187                 : /************************************************************************/
     188                 : /*                              GetLayer()                              */
     189                 : /************************************************************************/
     190                 : 
     191               0 : OGRLayer *OGRPGeoDataSource::GetLayer( int iLayer )
     192                 : 
     193                 : {
     194               0 :     if( iLayer < 0 || iLayer >= nLayers )
     195               0 :         return NULL;
     196                 :     else
     197               0 :         return papoLayers[iLayer];
     198                 : }
     199                 : 
     200                 : 
     201                 : /************************************************************************/
     202                 : /*                             ExecuteSQL()                             */
     203                 : /************************************************************************/
     204                 : 
     205                 : OGRLayer * OGRPGeoDataSource::ExecuteSQL( const char *pszSQLCommand,
     206                 :                                           OGRGeometry *poSpatialFilter,
     207               0 :                                           const char *pszDialect )
     208                 : 
     209                 : {
     210                 : /* -------------------------------------------------------------------- */
     211                 : /*      Use generic imlplementation for OGRSQL dialect.                 */
     212                 : /* -------------------------------------------------------------------- */
     213               0 :     if( pszDialect != NULL && EQUAL(pszDialect,"OGRSQL") )
     214                 :         return OGRDataSource::ExecuteSQL( pszSQLCommand, 
     215                 :                                           poSpatialFilter, 
     216               0 :                                           pszDialect );
     217                 : 
     218                 : /* -------------------------------------------------------------------- */
     219                 : /*      Execute statement.                                              */
     220                 : /* -------------------------------------------------------------------- */
     221               0 :     CPLODBCStatement *poStmt = new CPLODBCStatement( &oSession );
     222                 : 
     223               0 :     poStmt->Append( pszSQLCommand );
     224               0 :     if( !poStmt->ExecuteSQL() )
     225                 :     {
     226                 :         CPLError( CE_Failure, CPLE_AppDefined, 
     227               0 :                   "%s", oSession.GetLastError() );
     228               0 :         return NULL;
     229                 :     }
     230                 : 
     231                 : /* -------------------------------------------------------------------- */
     232                 : /*      Are there result columns for this statement?                    */
     233                 : /* -------------------------------------------------------------------- */
     234               0 :     if( poStmt->GetColCount() == 0 )
     235                 :     {
     236               0 :         delete poStmt;
     237               0 :         CPLErrorReset();
     238               0 :         return NULL;
     239                 :     }
     240                 : 
     241                 : /* -------------------------------------------------------------------- */
     242                 : /*      Create a results layer.  It will take ownership of the          */
     243                 : /*      statement.                                                      */
     244                 : /* -------------------------------------------------------------------- */
     245               0 :     OGRPGeoSelectLayer *poLayer = NULL;
     246                 :         
     247               0 :     poLayer = new OGRPGeoSelectLayer( this, poStmt );
     248                 : 
     249               0 :     if( poSpatialFilter != NULL )
     250               0 :         poLayer->SetSpatialFilter( poSpatialFilter );
     251                 :     
     252               0 :     return poLayer;
     253                 : }
     254                 : 
     255                 : /************************************************************************/
     256                 : /*                          ReleaseResultSet()                          */
     257                 : /************************************************************************/
     258                 : 
     259               0 : void OGRPGeoDataSource::ReleaseResultSet( OGRLayer * poLayer )
     260                 : 
     261                 : {
     262               0 :     delete poLayer;
     263               0 : }

Generated by: LTP GCOV extension version 1.5