Function ApplyLabels

src/effects/effects_apply.c:166–239

}

static void ApplyLabels
(
	FILE *stream,     // effects stream
	GraphContext *gc, // graph to operate on
	bool add          // add or remove labels
) {
	//--------------------------------------------------------------------------
	// effect format:
	//    effect type
	//    node ID
	//    labels count
	//    label IDs
	//--------------------------------------------------------------------------
	
	//--------------------------------------------------------------------------
	// read node ID
	//--------------------------------------------------------------------------

	EntityID id;
	fread_assert(&id, sizeof(id), stream);

	//--------------------------------------------------------------------------
	// get updated node
	//--------------------------------------------------------------------------

	Node  n;
	Graph *g = gc->g;

	bool found = Graph_GetNode(g, id, &n);
	ASSERT(found == true);

	//--------------------------------------------------------------------------
	// read labels count
	//--------------------------------------------------------------------------

	uint8_t lbl_count;
	fread_assert(&lbl_count, sizeof(lbl_count), stream);
	ASSERT(lbl_count > 0);

	// TODO: move to LabelID
	uint n_add_labels          = 0;
	uint n_remove_labels       = 0;
	const char **add_labels    = NULL;
	const char **remove_labels = NULL;
	const char *lbl[lbl_count];

	// assign lbl to the appropriate array
	if(add) {
		add_labels = lbl;
		n_add_labels = lbl_count;
	} else {
		remove_labels = lbl;
		n_remove_labels = lbl_count;
	}

	//--------------------------------------------------------------------------
	// read labels
	//--------------------------------------------------------------------------