Function FindOrAddAttribute

src/graph/graph_hub.c:461–483

}

Attribute_ID FindOrAddAttribute
(
	GraphContext *gc,       // graph context to add the attribute
	const char *attribute,  // attribute name
	bool log                // should operation be logged in the undo-log
) {
	ASSERT(gc != NULL);
	ASSERT(attribute != NULL);

	bool created;
	Attribute_ID attr_id = GraphContext_FindOrAddAttribute(gc, attribute,
			&created);

	// in case there was an append, the latest id should be tracked
	if(created == true && log == true) {
		UndoLog undo_log = QueryCtx_GetUndoLog();
		UndoLog_AddAttribute(undo_log, attr_id);
		EffectsBuffer *eb = QueryCtx_GetEffectsBuffer();
		EffectsBuffer_AddNewAttributeEffect(eb, attribute);
	}

	return attr_id;
}