void
_gtk_rbtree_mark_invalid (GtkRBTree *tree)
{
GtkRBNode *node;
if (tree == NULL)
return;
node = _gtk_rbtree_first (tree);
do
{
GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_INVALID);
GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_DESCENDANTS_INVALID);
if (node->children)
_gtk_rbtree_mark_invalid (node->children);
}
while ((node = _gtk_rbtree_next (tree, node)) != NULL);
}
void
_gtk_rbtree_node_mark_invalid (GtkRBTree *tree,
GtkRBNode *node)
{
if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_INVALID))
return;
GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_INVALID);
do
{
if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_DESCENDANTS_INVALID))
return;
GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_DESCENDANTS_INVALID);
node = node->parent;
if (_gtk_rbtree_is_nil (node))
{
node = tree->parent_node;
tree = tree->parent_tree;
}
}
while (node);
}
void
_gtk_rbtree_mark_invalid (GtkRBTree *tree)
{
GtkRBNode *node;
if (tree == NULL)
return;
node = tree->root;
g_assert (node);
while (node->left != tree->nil)
node = node->left;
do
{
GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_INVALID);
GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_DESCENDANTS_INVALID);
if (node->children)
_gtk_rbtree_mark_invalid (node->children);
}
while ((node = _gtk_rbtree_next (tree, node)) != NULL);
}
/* Draconian version. */
void
_gtk_rbtree_node_mark_invalid (GtkRBTree *tree,
GtkRBNode *node)
{
GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_INVALID);
do
{
_fixup_validation (tree, node);
node = node->parent;
if (_gtk_rbtree_is_nil (node))
{
node = tree->parent_node;
tree = tree->parent_tree;
}
}
while (node);
}
static inline
void _fixup_validation (GtkRBTree *tree,
GtkRBNode *node)
{
if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_INVALID) ||
GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_COLUMN_INVALID) ||
GTK_RBNODE_FLAG_SET (node->left, GTK_RBNODE_DESCENDANTS_INVALID) ||
GTK_RBNODE_FLAG_SET (node->right, GTK_RBNODE_DESCENDANTS_INVALID) ||
(node->children != NULL && GTK_RBNODE_FLAG_SET (node->children->root, GTK_RBNODE_DESCENDANTS_INVALID)))
{
GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_DESCENDANTS_INVALID);
}
else
{
GTK_RBNODE_UNSET_FLAG (node, GTK_RBNODE_DESCENDANTS_INVALID);
}
}
static void
gtk_rbtree_reorder_fixup (GtkRBTree *tree,
GtkRBNode *node)
{
if (node == tree->nil)
return;
node->parity = 1;
if (node->left != tree->nil)
{
gtk_rbtree_reorder_fixup (tree, node->left);
node->offset += node->left->offset;
node->parity += node->left->parity;
}
if (node->right != tree->nil)
{
gtk_rbtree_reorder_fixup (tree, node->right);
node->offset += node->right->offset;
node->parity += node->right->parity;
}
if (node->children)
{
node->offset += node->children->root->offset;
node->parity += node->children->root->parity;
}
if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_INVALID) ||
(node->right != tree->nil && GTK_RBNODE_FLAG_SET (node->right, GTK_RBNODE_DESCENDANTS_INVALID)) ||
(node->left != tree->nil && GTK_RBNODE_FLAG_SET (node->left, GTK_RBNODE_DESCENDANTS_INVALID)) ||
(node->children && GTK_RBNODE_FLAG_SET (node->children->root, GTK_RBNODE_DESCENDANTS_INVALID)))
GTK_RBNODE_SET_FLAG (node, GTK_RBNODE_DESCENDANTS_INVALID);
else
GTK_RBNODE_UNSET_FLAG (node, GTK_RBNODE_DESCENDANTS_INVALID);
}
