void
btree_traverse(btree tree, btree_traverse_mode flag,
btree_node_callback btree_node_visit)
{
/* callback variable to invoke real function */
btree_traverse_callback traverse_func = BTREE_TRAVERSE_TABLE[flag];
/* now it's time to invoke traverse function */
traverse_func(tree, btree_node_visit);
}
/**
* A generic traversal function.
*/
void
db_traverse_subtree(union tree *tp,
void (*traverse_func) (struct directory *, struct db_traverse *),
struct db_traverse *dtp)
{
struct directory *dp;
if (!tp)
return;
RT_CK_DB_TRAVERSE(dtp);
RT_CHECK_DBI(dtp->dbip);
RT_CK_TREE(tp);
if (dtp->resp) {
RT_CK_RESOURCE(dtp->resp);
}
switch (tp->tr_op) {
case OP_DB_LEAF:
if ((dp=db_lookup(dtp->dbip, tp->tr_l.tl_name, LOOKUP_NOISY)) == RT_DIR_NULL)
return;
traverse_func(dp, dtp);
break;
case OP_UNION:
case OP_INTERSECT:
case OP_SUBTRACT:
case OP_XOR:
db_traverse_subtree(tp->tr_b.tb_left, traverse_func, dtp);
db_traverse_subtree(tp->tr_b.tb_right, traverse_func, dtp);
break;
default:
bu_log("db_functree_subtree: unrecognized operator %d\n", tp->tr_op);
bu_bomb("db_functree_subtree: unrecognized operator\n");
}
}
gboolean
ol_traverse_dir (const char *dirname,
gboolean recursive,
gboolean (*traverse_func) (const char *path,
const char *filename,
gpointer userdata),
gpointer userdata)
{
ol_assert_ret (dirname != NULL, FALSE);
ol_assert_ret (traverse_func != NULL, FALSE);
GError *error = NULL;
GDir *dir = g_dir_open (dirname, 0, &error);
if (!dir)
{
ol_error ("Cannot open directory %s: %s\n", dirname, error->message);
return FALSE;
}
const gchar *filename = NULL;
while ((filename = g_dir_read_name (dir)) != NULL)
{
if (!traverse_func (dirname, filename, userdata))
return FALSE;
if (recursive)
{
gchar *filepath = g_build_path (G_DIR_SEPARATOR_S,
dirname, filename, NULL);
if (g_file_test (filepath, G_FILE_TEST_IS_DIR))
if (!ol_traverse_dir (filepath, recursive, traverse_func, userdata))
{
g_free (filepath);
return FALSE;
}
g_free (filepath);
}
}
return TRUE;
}