OGRAVCBinDataSource::~OGRAVCBinDataSource()
{
if( psAVC )
{
AVCE00ReadClose( psAVC );
psAVC = NULL;
}
CPLFree( pszName );
for( int i = 0; i < nLayers; i++ )
delete papoLayers[i];
CPLFree( papoLayers );
}
/**********************************************************************
* ConvertCover()
*
* Convert a complete coverage to E00.
**********************************************************************/
static void ConvertCoveravctoe00(const char *pszFname, FILE *fpOut)
{
AVCE00ReadPtr hReadInfo;
const char *pszLine;
hReadInfo = AVCE00ReadOpen(pszFname);
if (hReadInfo)
{
while ((pszLine = AVCE00ReadNextLine(hReadInfo)) != NULL)
{
fprintf(fpOut, "%s\n", pszLine);
}
AVCE00ReadClose(hReadInfo);
}
}
/**********************************************************************
* AVCE00DeleteCoverage()
*
* Delete a coverage directory, its contents, and the associated info
* tables.
*
* Note:
* When deleting tables, only the ../info/arc????.nit and arc????.dat
* need to be deleted; the arc.dir does not need to be updated. This
* is exactly what Arc/Info's KILL command does.
*
* Returns 0 on success or -1 on error.
**********************************************************************/
int AVCE00DeleteCoverage(const char *pszCoverToDelete)
{
int i, j, nStatus = 0;
char *pszInfoPath, *pszCoverPath, *pszCoverName;
const char *pszFname;
char **papszTables=NULL, **papszFiles=NULL;
AVCE00ReadPtr psInfo;
VSIStatBuf sStatBuf;
CPLErrorReset();
/*-----------------------------------------------------------------
* Since we don't want to duplicate all the logic to figure coverage
* and info dir name, etc... we'll simply open the coverage and
* grab the info we need from the coverage handle.
* By the same way, this will verify that the coverage exists and is
* valid.
*----------------------------------------------------------------*/
psInfo = AVCE00ReadOpen(pszCoverToDelete);
if (psInfo == NULL)
{
CPLError(CE_Failure, CPLE_FileIO,
"Cannot delete coverage %s: it does not appear to be valid\n",
pszCoverToDelete);
return -1;
}
pszCoverPath = CPLStrdup(psInfo->pszCoverPath);
pszInfoPath = CPLStrdup(psInfo->pszInfoPath);
pszCoverName = CPLStrdup(psInfo->pszCoverName);
AVCE00ReadClose(psInfo);
/*-----------------------------------------------------------------
* Delete files in cover directory.
*----------------------------------------------------------------*/
papszFiles = CPLReadDir(pszCoverPath);
for(i=0; nStatus==0 && papszFiles && papszFiles[i]; i++)
{
if (!EQUAL(".", papszFiles[i]) &&
!EQUAL("..", papszFiles[i]))
{
pszFname = CPLSPrintf("%s%s", pszCoverPath, papszFiles[i]);
if (unlink(pszFname) != 0)
{
CPLError(CE_Failure, CPLE_FileIO,
"Failed deleting %s%s: %s",
pszCoverPath, papszFiles[i], strerror);
nStatus = -1;
break;
}
}
}
CSLDestroy(papszFiles);
papszFiles = NULL;
/*-----------------------------------------------------------------
* Get the list of info files (ARC????) to delete and delete them
*----------------------------------------------------------------*/
if (nStatus == 0)
{
papszTables = AVCBinReadListTables(pszInfoPath,
pszCoverName,
&papszFiles);
for(i=0; nStatus==0 && papszFiles && papszFiles[i]; i++)
{
/* Convert table filename to lowercases */
for(j=0; papszFiles[i] && papszFiles[i][j]!='\0'; j++)
papszFiles[i][j] = tolower(papszFiles[i][j]);
/* Delete the .DAT file */
pszFname = CPLSPrintf("%s%s.dat", pszInfoPath, papszFiles[i]);
if ( VSIStat(pszFname, &sStatBuf) != -1 &&
unlink(pszFname) != 0)
{
CPLError(CE_Failure, CPLE_FileIO,
"Failed deleting %s%s: %s",
pszInfoPath, papszFiles[i], strerror);
nStatus = -1;
break;
}
/* Delete the .DAT file */
pszFname = CPLSPrintf("%s%s.nit", pszInfoPath, papszFiles[i]);
if ( VSIStat(pszFname, &sStatBuf) != -1 &&
unlink(pszFname) != 0)
{
CPLError(CE_Failure, CPLE_FileIO,
"Failed deleting %s%s: %s",
pszInfoPath, papszFiles[i], strerror);
nStatus = -1;
break;
}
}
CSLDestroy(papszTables);
CSLDestroy(papszFiles);
}
/*-----------------------------------------------------------------
* Delete the coverage directory itself
*----------------------------------------------------------------*/
if (rmdir(pszCoverPath) != 0)
{
CPLError(CE_Failure, CPLE_FileIO,
"Failed deleting directory %s: %s", pszCoverPath, strerror);
nStatus = -1;
}
CPLFree(pszCoverPath);
CPLFree(pszInfoPath);
CPLFree(pszCoverName);
return nStatus;
}
int OGRAVCE00DataSource::Open( const char * pszNewName, int bTestOpen )
{
/* -------------------------------------------------------------------- */
/* Open the source file. Supress error reporting if we are in */
/* TestOpen mode. */
/* -------------------------------------------------------------------- */
int bCompressed = FALSE;
if( bTestOpen )
CPLPushErrorHandler( CPLQuietErrorHandler );
psE00 = AVCE00ReadOpenE00(pszNewName);
if( CPLGetLastErrorNo() == CPLE_OpenFailed
&& strstr(CPLGetLastErrorMsg(),"compressed E00") != NULL )
{
bCompressed = TRUE;
}
if( bTestOpen )
{
CPLPopErrorHandler();
CPLErrorReset();
}
if( psE00 == NULL )
{
if( bCompressed )
{
CPLError(CE_Failure, CPLE_OpenFailed,
"This looks like a compressed E00 file and cannot be "
"processed directly. You may need to uncompress it "
"first using the E00compr library or the e00conv "
"program." );
}
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;
}
