/****************************************************************************** * $Id: ogravce00datasource.cpp 10646 2007-01-18 02:38:10Z warmerdam $ * * Project:  OGR * Purpose:  Implements OGRAVCE00DataSource class. * Author:   Frank Warmerdam, warmerdam@pobox.com *           James Flemer <jflemer@alum.rpi.edu> * ****************************************************************************** * Copyright (c) 2002, Frank Warmerdam <warmerdam@pobox.com> * Copyright (c) 2006, James Flemer <jflemer@alum.rpi.edu> * * 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: ogravce00datasource.cpp 10646 2007-01-18 02:38:10Z warmerdam $");/************************************************************************//*                        OGRAVCE00DataSource()                         *//************************************************************************/OGRAVCE00DataSource::OGRAVCE00DataSource()    : nLayers(0), pszName(NULL), psE00(NULL), papoLayers(NULL){}/************************************************************************//*                        ~OGRAVCE00DataSource()                        *//************************************************************************/OGRAVCE00DataSource::~OGRAVCE00DataSource(){    if( psE00 )    {        AVCE00ReadCloseE00( psE00 );        psE00 = NULL;    }    CPLFree( pszName );    for( int i = 0; i < nLayers; i++ )        delete papoLayers[i];        CPLFree( papoLayers );}/************************************************************************//*                                Open()                                *//************************************************************************/int OGRAVCE00DataSource::Open( const char * pszNewName, int bTestOpen ){/* -------------------------------------------------------------------- *//*      Open the source file.  Supress error reporting if we are in     *//*      TestOpen mode.                                                  *//* -------------------------------------------------------------------- */    if( bTestOpen )        CPLPushErrorHandler( CPLQuietErrorHandler );    psE00 = AVCE00ReadOpenE00(pszNewName);    if( bTestOpen )    {        CPLPopErrorHandler();        CPLErrorReset();    }    if( psE00 == NULL )        return FALSE;    pszName = CPLStrdup( pszNewName );    /* pszCoverageName = CPLStrdup( psE00->pszCoverName ); */    pszCoverageName = CPLStrdup( pszNewName );/* -------------------------------------------------------------------- *//*      Create layers for the "interesting" sections of the coverage.   *//* -------------------------------------------------------------------- */    int iSection;    papoLayers = (OGRAVCE00Layer **)        CPLCalloc( sizeof(OGRAVCE00Layer *), psE00->numSections );    nLayers = 0;    for( iSection = 0; iSection < psE00->numSections; iSection++ )    {        AVCE00Section *psSec = psE00->pasSections + iSection;        switch( psSec->eType )        {          case AVCFileARC:          case AVCFilePAL:          case AVCFileCNT:          case AVCFileLAB:          case AVCFileRPL:          case AVCFileTXT:            papoLayers[nLayers++] = new OGRAVCE00Layer( this, psSec );            break;          case AVCFileTX6:            break;          case AVCFileTABLE:            CheckAddTable(psSec);            break;          case AVCFilePRJ:          {#if 0              poSRS = new OGRSpatialReference();              char  **papszPRJ;              AVCE00File *hFile;                            hFile = AVCE00ReadOpen(psE00->pszCoverPath,                                      psSec->pszFilename,                                      psE00->eCoverType,                                      psSec->eType,                                     psE00->psDBCSInfo);              if( hFile && poSRS == NULL )              {                  papszPRJ = AVCE00ReadNextPrj( 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;                  }                  AVCE00ReadClose( hFile );              }#endif          }          break;          default:            ;        }    }        return nLayers > 0;}int OGRAVCE00DataSource::CheckAddTable( AVCE00Section *psTblSection ){    int i, nCount = 0;    for (i = 0; i < nLayers; ++i)    {        if (papoLayers[i]->CheckSetupTable(psTblSection))            ++nCount;    }    return nCount;}/************************************************************************//*                           TestCapability()                           *//************************************************************************/int OGRAVCE00DataSource::TestCapability( const char * pszCap ){    return FALSE;}/************************************************************************//*                              GetLayer()                              *//************************************************************************/OGRLayer *OGRAVCE00DataSource::GetLayer( int iLayer ){    if( iLayer < 0 || iLayer >= nLayers )        return NULL;    else        return papoLayers[iLayer];}/************************************************************************//*                           GetSpatialRef()                            *//************************************************************************/OGRSpatialReference *OGRAVCE00DataSource::GetSpatialRef(){    if (NULL == poSRS && psE00 != NULL)    /* if (psE00 != NULL) */    {        int iSection;        AVCE00Section *psSec;        char **pszPRJ;        for( iSection = 0; iSection < psE00->numSections; iSection++ )        {            psSec = psE00->pasSections + iSection;            if (psSec->eType == AVCFilePRJ)            {		        AVCE00ReadGotoSectionE00(psE00, psSec, 0);	            pszPRJ = (char **)AVCE00ReadNextObjectE00(psE00);                poSRS = new OGRSpatialReference();                if( poSRS->importFromESRI( pszPRJ ) != OGRERR_NONE )                {                    CPLError( CE_Warning, CPLE_AppDefined,                               "Failed to parse PRJ section, ignoring." );                    delete poSRS;                    poSRS = NULL;                }                break;            }        }    }    return poSRS;}