GtkRBNode *
_gtk_rbtree_insert_before (GtkRBTree *tree,
GtkRBNode *current,
gint height,
gboolean valid)
{
GtkRBNode *node;
gboolean left = TRUE;
#ifdef G_ENABLE_DEBUG
if (GTK_DEBUG_CHECK (TREE))
{
GString *s;
s = g_string_new ("");
g_string_append_printf (s, "_gtk_rbtree_insert_before: %p\n", current);
_gtk_rbtree_debug_spew (tree, s);
g_message ("%s", s->str);
g_string_free (s, TRUE);
_gtk_rbtree_test (G_STRLOC, tree);
}
#endif
if (current != NULL && !_gtk_rbtree_is_nil (current->left))
{
current = current->left;
while (!_gtk_rbtree_is_nil (current->right))
current = current->right;
left = FALSE;
}
/* setup new node */
node = _gtk_rbnode_new (tree, height);
/* insert node in tree */
if (current)
{
node->parent = current;
if (left)
current->left = node;
else
current->right = node;
gtk_rbnode_adjust (tree, node->parent,
1, 1, height);
}
else
{
g_assert (_gtk_rbtree_is_nil (tree->root));
tree->root = node;
gtk_rbnode_adjust (tree->parent_tree, tree->parent_node,
0, 1, height);
}
if (valid)
_gtk_rbtree_node_mark_valid (tree, node);
else
_gtk_rbtree_node_mark_invalid (tree, node);
_gtk_rbtree_insert_fixup (tree, node);
#ifdef G_ENABLE_DEBUG
if (GTK_DEBUG_CHECK (TREE))
{
GString *s;
s = g_string_new ("_gtk_rbtree_insert_before finished...\n");
_gtk_rbtree_debug_spew (tree, s);
g_message ("%s", s->str);
g_string_free (s, TRUE);
_gtk_rbtree_test (G_STRLOC, tree);
}
#endif
return node;
}
GtkRBNode *
_gtk_rbtree_insert_before (GtkRBTree *tree,
GtkRBNode *current,
gint height,
gboolean valid)
{
GtkRBNode *node;
gboolean left = TRUE;
#ifdef G_ENABLE_DEBUG
if (gtk_get_debug_flags () & GTK_DEBUG_TREE)
{
g_print ("\n\n_gtk_rbtree_insert_before: %p\n", current);
_gtk_rbtree_debug_spew (tree);
_gtk_rbtree_test (G_STRLOC, tree);
}
#endif /* G_ENABLE_DEBUG */
if (current != NULL && !_gtk_rbtree_is_nil (current->left))
{
current = current->left;
while (!_gtk_rbtree_is_nil (current->right))
current = current->right;
left = FALSE;
}
/* setup new node */
node = _gtk_rbnode_new (tree, height);
/* insert node in tree */
if (current)
{
node->parent = current;
if (left)
current->left = node;
else
current->right = node;
gtk_rbnode_adjust (tree, node->parent,
1, 1, height);
}
else
{
g_assert (_gtk_rbtree_is_nil (tree->root));
tree->root = node;
gtk_rbnode_adjust (tree->parent_tree, tree->parent_node,
0, 1, height);
}
if (valid)
_gtk_rbtree_node_mark_valid (tree, node);
else
_gtk_rbtree_node_mark_invalid (tree, node);
_gtk_rbtree_insert_fixup (tree, node);
#ifdef G_ENABLE_DEBUG
if (gtk_get_debug_flags () & GTK_DEBUG_TREE)
{
g_print ("_gtk_rbtree_insert_before finished...\n");
_gtk_rbtree_debug_spew (tree);
g_print ("\n\n");
_gtk_rbtree_test (G_STRLOC, tree);
}
#endif /* G_ENABLE_DEBUG */
return node;
}
GtkRBNode *
_gtk_rbtree_insert_before (GtkRBTree *tree,
GtkRBNode *current,
gint height,
gboolean valid)
{
GtkRBNode *node;
gboolean left = TRUE;
GtkRBNode *tmp_node;
GtkRBTree *tmp_tree;
#ifdef G_ENABLE_DEBUG
if (gtk_debug_flags & GTK_DEBUG_TREE)
{
g_print ("\n\n_gtk_rbtree_insert_before: %p\n", current);
_gtk_rbtree_debug_spew (tree);
_gtk_rbtree_test (G_STRLOC, tree);
}
#endif /* G_ENABLE_DEBUG */
if (current != NULL && current->left != tree->nil)
{
current = current->left;
while (current->right != tree->nil)
current = current->right;
left = FALSE;
}
/* setup new node */
node = _gtk_rbnode_new (tree, height);
node->parent = (current?current:tree->nil);
/* insert node in tree */
if (current)
{
if (left)
current->left = node;
else
current->right = node;
tmp_node = node->parent;
tmp_tree = tree;
}
else
{
tree->root = node;
tmp_node = tree->parent_node;
tmp_tree = tree->parent_tree;
}
while (tmp_tree && tmp_node && tmp_node != tmp_tree->nil)
{
/* We only want to propagate the count if we are in the tree we
* started in. */
if (tmp_tree == tree)
tmp_node->count++;
tmp_node->parity += 1;
tmp_node->offset += height;
tmp_node = tmp_node->parent;
if (tmp_node == tmp_tree->nil)
{
tmp_node = tmp_tree->parent_node;
tmp_tree = tmp_tree->parent_tree;
}
}
if (valid)
_gtk_rbtree_node_mark_valid (tree, node);
else
_gtk_rbtree_node_mark_invalid (tree, node);
_gtk_rbtree_insert_fixup (tree, node);
#ifdef G_ENABLE_DEBUG
if (gtk_debug_flags & GTK_DEBUG_TREE)
{
g_print ("_gtk_rbtree_insert_before finished...\n");
_gtk_rbtree_debug_spew (tree);
g_print ("\n\n");
_gtk_rbtree_test (G_STRLOC, tree);
}
#endif /* G_ENABLE_DEBUG */
return node;
}