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OGR_GRASS: fix regression after switch to GetGDALDriverManager (#28)
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OGR_GRASS driver was broken with 1f6a624
as it was not working as it was, by simply registering with GetGDALDriverManager.

The unneeded OGRGRASSDriver class is removed and its use is replaced with
GDALDriver.

In related code 'bool', 'false' ,'true', 'nullptr' is used where appropriate.
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@nilason
nilason committed Sep 18, 2023
1 parent 4efe5d0 commit da14159
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Showing 3 changed files with 24 additions and 58 deletions.
20 changes: 3 additions & 17 deletions ogrgrass.h
View file
Expand Up @@ -127,8 +127,8 @@ class OGRGRASSDataSource final: public OGRDataSource
OGRGRASSDataSource();
virtual ~OGRGRASSDataSource();

int Open( const char *, int bUpdate, int bTestOpen,
int bSingleNewFile = FALSE );
bool Open( const char *, bool bUpdate, bool bTestOpen,
bool bSingleNewFile = false );

const char *GetName() override { return pszName; }
int GetLayerCount() override { return nLayers; }
Expand All @@ -147,23 +147,9 @@ class OGRGRASSDataSource final: public OGRDataSource
struct Map_info map;
int nLayers;

int bOpened;
bool bOpened;

static bool SplitPath ( char *, char **, char **, char **, char ** );
};

/************************************************************************/
/* OGRGRASSDriver */
/************************************************************************/
class OGRGRASSDriver final: public OGRSFDriver
{
public:
virtual ~OGRGRASSDriver();

const char *GetName() override;
OGRDataSource *Open( const char *, int ) override;

int TestCapability( const char * ) override;
};

#endif /* ndef OGRGRASS_H_INCLUDED */
20 changes: 10 additions & 10 deletions ogrgrassdatasource.cpp
View file
Expand Up @@ -87,8 +87,8 @@ OGRGRASSDataSource::~OGRGRASSDataSource()

typedef int (*GrassErrorHandler)(const char *, int);

int OGRGRASSDataSource::Open( const char * pszNewName, int /*bUpdate*/,
int bTestOpen, int /*bSingleNewFileIn*/ )
bool OGRGRASSDataSource::Open( const char * pszNewName, bool /*bUpdate*/,
bool bTestOpen, bool /*bSingleNewFileIn*/ )
{
VSIStatBuf stat;

Expand All @@ -99,14 +99,14 @@ int OGRGRASSDataSource::Open( const char * pszNewName, int /*bUpdate*/,
/* -------------------------------------------------------------------- */
/* Do the given path contains 'vector' and 'head'? */
/* -------------------------------------------------------------------- */
if ( strstr(pszName,"vector") == NULL || strstr(pszName,"head") == NULL )
if ( strstr(pszName,"vector") == nullptr || strstr(pszName,"head") == nullptr )
{
if( !bTestOpen )
{
CPLError( CE_Failure, CPLE_AppDefined,
"%s is not GRASS vector, access failed.\n", pszName );
}
return FALSE;
return false;
}

/* -------------------------------------------------------------------- */
Expand All @@ -120,7 +120,7 @@ int OGRGRASSDataSource::Open( const char * pszNewName, int /*bUpdate*/,
"%s is not GRASS vector, access failed.\n", pszName );
}

return FALSE;
return false;
}

/* -------------------------------------------------------------------- */
Expand All @@ -135,7 +135,7 @@ int OGRGRASSDataSource::Open( const char * pszNewName, int /*bUpdate*/,
"%s is not GRASS datasource name, access failed.\n",
pszName );
}
return FALSE;
return false;
}

CPLDebug ( "GRASS", "Gisdbase: %s", pszGisdbase );
Expand All @@ -149,7 +149,7 @@ int OGRGRASSDataSource::Open( const char * pszNewName, int /*bUpdate*/,
// GISBASE is path to the directory where GRASS is installed,
// it is necessary because there are database drivers.
if ( !getenv( "GISBASE" ) ) {
static char* gisbaseEnv = NULL;
static char* gisbaseEnv = nullptr;
const char *gisbase = GRASS_GISBASE;
CPLError( CE_Warning, CPLE_AppDefined, "GRASS warning: GISBASE "
"environment variable was not set, using:\n%s", gisbase );
Expand Down Expand Up @@ -191,7 +191,7 @@ int OGRGRASSDataSource::Open( const char * pszNewName, int /*bUpdate*/,
if ( level < 2 ) {
CPLError( CE_Failure, CPLE_AppDefined,
"Cannot open GRASS vector %s on level 2.\n", pszName );
return FALSE;
return false;
}

CPLDebug ( "GRASS", "Num lines = %d", Vect_get_num_lines(&map) );
Expand All @@ -212,9 +212,9 @@ int OGRGRASSDataSource::Open( const char * pszNewName, int /*bUpdate*/,
papoLayers[nLayers++] = poLayer;
}

bOpened = TRUE;
bOpened = true;

return TRUE;
return true;
}

/************************************************************************/
Expand Down
42 changes: 11 additions & 31 deletions ogrgrassdriver.cpp
View file
Expand Up @@ -36,48 +36,26 @@ extern "C" {

CPL_CVSID("$Id$")

/************************************************************************/
/* ~OGRGRASSDriver() */
/************************************************************************/
OGRGRASSDriver::~OGRGRASSDriver()
{
}

/************************************************************************/
/* GetName() */
/************************************************************************/
const char *OGRGRASSDriver::GetName()
{
return "OGR_GRASS";
}

/************************************************************************/
/* Open() */
/************************************************************************/
OGRDataSource *OGRGRASSDriver::Open( const char * pszFilename,
int bUpdate )
static auto GRASSDatasetOpen(GDALOpenInfo *poOpenInfo) -> GDALDataset*
{
OGRGRASSDataSource *poDS = new OGRGRASSDataSource();
auto *poDS = new OGRGRASSDataSource();

bool bUpdate = poOpenInfo->eAccess == GA_Update;

if( !poDS->Open( pszFilename, bUpdate, TRUE ) )
if( !poDS->Open( poOpenInfo->pszFilename, bUpdate, true ))
{
delete poDS;
return NULL;
return nullptr;
}
else
{
return poDS;
}
}

/************************************************************************/
/* TestCapability() */
/************************************************************************/
int OGRGRASSDriver::TestCapability( const char * /*pszCap*/ )
{
return FALSE;
}

/************************************************************************/
/* RegisterOGRGRASS() */
/************************************************************************/
Expand All @@ -86,15 +64,17 @@ void RegisterOGRGRASS()
if (! GDAL_CHECK_VERSION("OGR/GRASS driver"))
return;

if( GDALGetDriverByName( "OGR_GRASS" ) != NULL )
if( GDALGetDriverByName( "OGR_GRASS" ) != nullptr )
return;

OGRGRASSDriver *poDriver = new OGRGRASSDriver();
auto *poDriver = new GDALDriver();

poDriver->SetDescription( "GRASS" );
poDriver->SetDescription( "OGR_GRASS" );
poDriver->SetMetadataItem( GDAL_DCAP_VECTOR, "YES" );
poDriver->SetMetadataItem( GDAL_DMD_LONGNAME, "GRASS Vectors (5.7+)" );
poDriver->SetMetadataItem( GDAL_DMD_HELPTOPIC, "drivers/vector/grass.html" );

poDriver->pfnOpen = GRASSDatasetOpen;

GetGDALDriverManager()->RegisterDriver(poDriver);
}

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