OGRDataSource *OGRCSVDriver::Open( const char * pszFilename, int bUpdate )
{
OGRCSVDataSource *poDS = new OGRCSVDataSource();
if( !poDS->Open( pszFilename, bUpdate, FALSE ) )
{
delete poDS;
poDS = NULL;
}
return poDS;
}
OGRDataSource *OGRCSVDriver::CreateDataSource( const char * pszName,
char ** /* papszOptions */ )
{
/* -------------------------------------------------------------------- */
/* First, ensure there isn't any such file yet. */
/* -------------------------------------------------------------------- */
VSIStatBuf sStatBuf;
if( VSIStat( pszName, &sStatBuf ) == 0 )
{
CPLError( CE_Failure, CPLE_AppDefined,
"It seems a file system object called '%s' already exists.",
pszName );
return NULL;
}
/* -------------------------------------------------------------------- */
/* Create a directory. */
/* -------------------------------------------------------------------- */
if( VSIMkdir( pszName, 0755 ) != 0 )
{
CPLError( CE_Failure, CPLE_AppDefined,
"Failed to create directory %s:\n%s",
pszName, VSIStrerror( errno ) );
return NULL;
}
/* -------------------------------------------------------------------- */
/* Force it to open as a datasource. */
/* -------------------------------------------------------------------- */
OGRCSVDataSource *poDS = new OGRCSVDataSource();
if( !poDS->Open( pszName, TRUE, TRUE ) )
{
delete poDS;
return NULL;
}
return poDS;
}
OGRDataSource *OGRCSVDriver::CreateDataSource( const char * pszName,
char **papszOptions )
{
/* -------------------------------------------------------------------- */
/* First, ensure there isn't any such file yet. */
/* -------------------------------------------------------------------- */
VSIStatBufL sStatBuf;
if (strcmp(pszName, "/dev/stdout") == 0)
pszName = "/vsistdout/";
if( VSIStatL( pszName, &sStatBuf ) == 0 )
{
CPLError( CE_Failure, CPLE_AppDefined,
"It seems a file system object called '%s' already exists.",
pszName );
return NULL;
}
/* -------------------------------------------------------------------- */
/* If the target is not a simple .csv then create it as a */
/* directory. */
/* -------------------------------------------------------------------- */
CPLString osDirName;
if( EQUAL(CPLGetExtension(pszName),"csv") )
{
osDirName = CPLGetPath(pszName);
if( osDirName == "" )
osDirName = ".";
}
else
{
if( strncmp(pszName, "/vsizip/", 8) == 0)
{
/* do nothing */
}
else if( !EQUAL(pszName, "/vsistdout/") &&
VSIMkdir( pszName, 0755 ) != 0 )
{
CPLError( CE_Failure, CPLE_AppDefined,
"Failed to create directory %s:\n%s",
pszName, VSIStrerror( errno ) );
return NULL;
}
osDirName = pszName;
}
/* -------------------------------------------------------------------- */
/* Force it to open as a datasource. */
/* -------------------------------------------------------------------- */
OGRCSVDataSource *poDS = new OGRCSVDataSource();
if( !poDS->Open( osDirName, TRUE, TRUE ) )
{
delete poDS;
return NULL;
}
if( osDirName != pszName )
poDS->SetDefaultCSVName( CPLGetFilename(pszName) );
return poDS;
}
