/****************************************************************************** * $Id: ogravcbindatasource.cpp 10646 2007-01-18 02:38:10Z warmerdam $ * * Project:  OGR * Purpose:  Implements OGRAVCBinDataSource class. * Author:   Frank Warmerdam, warmerdam@pobox.com * ****************************************************************************** * Copyright (c) 2002, Frank Warmerdam <warmerdam@pobox.com> * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. ****************************************************************************/#include "ogr_avc.h"#include "cpl_conv.h"#include "cpl_string.h"CPL_CVSID("$Id: ogravcbindatasource.cpp 10646 2007-01-18 02:38:10Z warmerdam $");/************************************************************************//*                        OGRAVCBinDataSource()                         *//************************************************************************/OGRAVCBinDataSource::OGRAVCBinDataSource(){    pszName = NULL;    papoLayers = NULL;    nLayers = 0;    poSRS = NULL;}/************************************************************************//*                        ~OGRAVCBinDataSource()                        *//************************************************************************/OGRAVCBinDataSource::~OGRAVCBinDataSource(){    if( psAVC )    {        AVCE00ReadClose( psAVC );        psAVC = NULL;    }    CPLFree( pszName );    for( int i = 0; i < nLayers; i++ )        delete papoLayers[i];        CPLFree( papoLayers );}/************************************************************************//*                                Open()                                *//************************************************************************/int OGRAVCBinDataSource::Open( const char * pszNewName, int bTestOpen ){/* -------------------------------------------------------------------- *//*      Open the source file.  Supress error reporting if we are in     *//*      TestOpen mode.                                                  *//* -------------------------------------------------------------------- */    if( bTestOpen )        CPLPushErrorHandler( CPLQuietErrorHandler );    psAVC = AVCE00ReadOpen( pszNewName );    if( bTestOpen )    {        CPLPopErrorHandler();        CPLErrorReset();    }    if( psAVC == NULL )        return FALSE;    pszName = CPLStrdup( pszNewName );    pszCoverageName = CPLStrdup( psAVC->pszCoverName );/* -------------------------------------------------------------------- *//*      Create layers for the "interesting" sections of the coverage.   *//* -------------------------------------------------------------------- */    int		iSection;    papoLayers = (OGRLayer **)        CPLCalloc( sizeof(OGRLayer *), psAVC->numSections );    nLayers = 0;    for( iSection = 0; iSection < psAVC->numSections; iSection++ )    {        AVCE00Section *psSec = psAVC->pasSections + iSection;        switch( psSec->eType )        {          case AVCFileARC:          case AVCFilePAL:          case AVCFileCNT:          case AVCFileLAB:          case AVCFileRPL:          case AVCFileTXT:          case AVCFileTX6:            papoLayers[nLayers++] = new OGRAVCBinLayer( this, psSec );            break;          case AVCFilePRJ:          {              char 	**papszPRJ;              AVCBinFile *hFile;                            hFile = AVCBinReadOpen(psAVC->pszCoverPath,                                      psSec->pszFilename,                                      psAVC->eCoverType,                                      psSec->eType,                                     psAVC->psDBCSInfo);              if( hFile && poSRS == NULL )              {                  papszPRJ = AVCBinReadNextPrj( hFile );                  poSRS = new OGRSpatialReference();                  if( poSRS->importFromESRI( papszPRJ ) != OGRERR_NONE )                  {                      CPLError( CE_Warning, CPLE_AppDefined,                                 "Failed to parse PRJ section, ignoring." );                      delete poSRS;                      poSRS = NULL;                  }                  AVCBinReadClose( hFile );              }          }          break;          default:            ;        }    }        return nLayers > 0;}/************************************************************************//*                           TestCapability()                           *//************************************************************************/int OGRAVCBinDataSource::TestCapability( const char * pszCap ){    return FALSE;}/************************************************************************//*                              GetLayer()                              *//************************************************************************/OGRLayer *OGRAVCBinDataSource::GetLayer( int iLayer ){    if( iLayer < 0 || iLayer >= nLayers )        return NULL;    else        return papoLayers[iLayer];}