OGRLayer *
OGRGMLDataSource::CreateLayer( const char * pszLayerName,
OGRSpatialReference *poSRS,
OGRwkbGeometryType eType,
char ** papszOptions )
{
/* -------------------------------------------------------------------- */
/* Verify we are in update mode. */
/* -------------------------------------------------------------------- */
if( fpOutput == NULL )
{
CPLError( CE_Failure, CPLE_NoWriteAccess,
"Data source %s opened for read access.\n"
"New layer %s cannot be created.\n",
pszName, pszLayerName );
return NULL;
}
/* -------------------------------------------------------------------- */
/* Ensure name is safe as an element name. */
/* -------------------------------------------------------------------- */
char *pszCleanLayerName = CPLStrdup( pszLayerName );
CPLCleanXMLElementName( pszCleanLayerName );
if( strcmp(pszCleanLayerName,pszLayerName) != 0 )
{
CPLError( CE_Warning, CPLE_AppDefined,
"Layer name '%s' adjusted to '%s' for XML validity.",
pszLayerName, pszCleanLayerName );
}
/* -------------------------------------------------------------------- */
/* Create the layer object. */
/* -------------------------------------------------------------------- */
OGRGMLLayer *poLayer;
poLayer = new OGRGMLLayer( pszCleanLayerName, poSRS, TRUE, eType, this );
CPLFree( pszCleanLayerName );
/* -------------------------------------------------------------------- */
/* Add layer to data source layer list. */
/* -------------------------------------------------------------------- */
papoLayers = (OGRGMLLayer **)
CPLRealloc( papoLayers, sizeof(OGRGMLLayer *) * (nLayers+1) );
papoLayers[nLayers++] = poLayer;
return poLayer;
}
OGRErr OGRGMLLayer::CreateField( OGRFieldDefn *poField, int bApproxOK )
{
if( !bWriter || iNextGMLId != 0 )
return OGRERR_FAILURE;
/* -------------------------------------------------------------------- */
/* Enforce XML naming semantics on element name. */
/* -------------------------------------------------------------------- */
OGRFieldDefn oCleanCopy( poField );
char *pszName = CPLStrdup( poField->GetNameRef() );
CPLCleanXMLElementName( pszName );
if( strcmp(pszName,poField->GetNameRef()) != 0 )
{
if( !bApproxOK )
{
CPLFree( pszName );
CPLError( CE_Failure, CPLE_AppDefined,
"Unable to create field with name '%s', it would not\n"
"be valid as an XML element name.",
poField->GetNameRef() );
return OGRERR_FAILURE;
}
oCleanCopy.SetName( pszName );
CPLError( CE_Warning, CPLE_AppDefined,
"Field name '%s' adjusted to '%s' to be a valid\n"
"XML element name.",
poField->GetNameRef(), pszName );
}
CPLFree( pszName );
poFeatureDefn->AddFieldDefn( &oCleanCopy );
return OGRERR_NONE;
}
OGRLayer *
OGRKMLDataSource::ICreateLayer( const char * pszLayerName,
OGRSpatialReference *poSRS,
OGRwkbGeometryType eType,
CPL_UNUSED char ** papszOptions )
{
CPLAssert( NULL != pszLayerName);
/* -------------------------------------------------------------------- */
/* Verify we are in update mode. */
/* -------------------------------------------------------------------- */
if( fpOutput_ == NULL )
{
CPLError( CE_Failure, CPLE_NoWriteAccess,
"Data source %s opened for read access.\n"
"New layer %s cannot be created.\n",
pszName_, pszLayerName );
return NULL;
}
/* -------------------------------------------------------------------- */
/* Close the previous layer (if there is one open) */
/* -------------------------------------------------------------------- */
if (GetLayerCount() > 0)
{
if( nLayers_ == 1 && papoLayers_[0]->nWroteFeatureCount_ == 0 )
{
VSIFPrintfL( fpOutput_, "<Folder><name>%s</name>\n", papoLayers_[0]->GetName() );
}
VSIFPrintfL( fpOutput_, "</Folder>\n");
((OGRKMLLayer*)GetLayer(GetLayerCount()-1))->SetClosedForWriting();
}
/* -------------------------------------------------------------------- */
/* Ensure name is safe as an element name. */
/* -------------------------------------------------------------------- */
char *pszCleanLayerName = CPLStrdup( pszLayerName );
CPLCleanXMLElementName( pszCleanLayerName );
if( strcmp(pszCleanLayerName, pszLayerName) != 0 )
{
CPLError( CE_Warning, CPLE_AppDefined,
"Layer name '%s' adjusted to '%s' for XML validity.",
pszLayerName, pszCleanLayerName );
}
if (GetLayerCount() > 0)
{
VSIFPrintfL( fpOutput_, "<Folder><name>%s</name>\n", pszCleanLayerName);
}
/* -------------------------------------------------------------------- */
/* Create the layer object. */
/* -------------------------------------------------------------------- */
OGRKMLLayer *poLayer;
poLayer = new OGRKMLLayer( pszCleanLayerName, poSRS, TRUE, eType, this );
CPLFree( pszCleanLayerName );
/* -------------------------------------------------------------------- */
/* Add layer to data source layer list. */
/* -------------------------------------------------------------------- */
papoLayers_ = (OGRKMLLayer **)
CPLRealloc( papoLayers_, sizeof(OGRKMLLayer *) * (nLayers_+1) );
papoLayers_[nLayers_++] = poLayer;
return poLayer;
}