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authorBenjamin Otte <otte@redhat.com>2011-11-16 04:14:00 +0100
committerBenjamin Otte <otte@redhat.com>2011-11-16 04:31:06 +0100
commit59097ecef4c536e68817aa0e3c04c5e0188e75c9 (patch)
tree93b8e892df88b69a476b9453b2b406fc49a5a852 /gtk/gtkrbtree.c
parent320df163a270566db4ddd8b5422e3f32b76a867c (diff)
downloadgtk+-59097ecef4c536e68817aa0e3c04c5e0188e75c9.tar.gz
treeview: Rename "parity" to "total_count"
Now that we use it to actually count the rows instead of just even/odd, it's better to reflect that in the variable name.
Diffstat (limited to 'gtk/gtkrbtree.c')
-rw-r--r--gtk/gtkrbtree.c97
1 files changed, 44 insertions, 53 deletions
diff --git a/gtk/gtkrbtree.c b/gtk/gtkrbtree.c
index 54d7067d10..27c9d84fe4 100644
--- a/gtk/gtkrbtree.c
+++ b/gtk/gtkrbtree.c
@@ -34,7 +34,7 @@ static void _gtk_rbtree_remove_node_fixup (GtkRBTree *tree,
GtkRBNode *node);
static inline void _fixup_validation (GtkRBTree *tree,
GtkRBNode *node);
-static inline void _fixup_parity (GtkRBTree *tree,
+static inline void _fixup_total_count (GtkRBTree *tree,
GtkRBNode *node);
@@ -49,7 +49,7 @@ _gtk_rbnode_new (GtkRBTree *tree,
node->right = tree->nil;
node->parent = tree->nil;
node->flags = GTK_RBNODE_RED;
- node->parity = 1;
+ node->total_count = 1;
node->count = 1;
node->children = NULL;
node->offset = height;
@@ -64,7 +64,7 @@ _gtk_rbnode_free (GtkRBNode *node)
node->left = (gpointer) 0xdeadbeef;
node->right = (gpointer) 0xdeadbeef;
node->parent = (gpointer) 0xdeadbeef;
- node->parity = 56789;
+ node->total_count = 56789;
node->offset = 56789;
node->count = 56789;
node->flags = 0;
@@ -125,8 +125,8 @@ _gtk_rbnode_rotate_left (GtkRBTree *tree,
_fixup_validation (tree, node);
_fixup_validation (tree, right);
- _fixup_parity (tree, node);
- _fixup_parity (tree, right);
+ _fixup_total_count (tree, node);
+ _fixup_total_count (tree, right);
}
static void
@@ -186,8 +186,8 @@ _gtk_rbnode_rotate_right (GtkRBTree *tree,
_fixup_validation (tree, node);
_fixup_validation (tree, left);
- _fixup_parity (tree, node);
- _fixup_parity (tree, left);
+ _fixup_total_count (tree, node);
+ _fixup_total_count (tree, left);
}
static void
@@ -343,7 +343,7 @@ _gtk_rbtree_new (void)
retval->nil->flags = GTK_RBNODE_BLACK;
retval->nil->count = 0;
retval->nil->offset = 0;
- retval->nil->parity = 0;
+ retval->nil->total_count = 0;
retval->root = retval->nil;
return retval;
@@ -383,7 +383,7 @@ _gtk_rbtree_remove (GtkRBTree *tree)
GtkRBNode *tmp_node;
gint height = tree->root->offset;
- guint parity = tree->root->parity;
+ guint total_count = tree->root->total_count;
#ifdef G_ENABLE_DEBUG
if (gtk_get_debug_flags () & GTK_DEBUG_TREE)
@@ -401,7 +401,7 @@ _gtk_rbtree_remove (GtkRBTree *tree)
{
_fixup_validation (tmp_tree, tmp_node);
tmp_node->offset -= height;
- tmp_node->parity -= parity;
+ tmp_node->total_count -= total_count;
tmp_node = tmp_node->parent;
if (tmp_node == tmp_tree->nil)
@@ -477,7 +477,7 @@ _gtk_rbtree_insert_after (GtkRBTree *tree,
if (tmp_tree == tree)
tmp_node->count++;
- tmp_node->parity += 1;
+ tmp_node->total_count += 1;
tmp_node->offset += height;
tmp_node = tmp_node->parent;
if (tmp_node == tmp_tree->nil)
@@ -563,7 +563,7 @@ _gtk_rbtree_insert_before (GtkRBTree *tree,
if (tmp_tree == tree)
tmp_node->count++;
- tmp_node->parity += 1;
+ tmp_node->total_count += 1;
tmp_node->offset += height;
tmp_node = tmp_node->parent;
if (tmp_node == tmp_tree->nil)
@@ -829,7 +829,7 @@ typedef struct _GtkRBReorder
gint flags;
gint order;
gint invert_order;
- gint parity;
+ guint total_count;
} GtkRBReorder;
static int
@@ -853,25 +853,25 @@ gtk_rbtree_reorder_fixup (GtkRBTree *tree,
if (node == tree->nil)
return;
- node->parity = 1;
+ node->total_count = 1;
if (node->left != tree->nil)
{
gtk_rbtree_reorder_fixup (tree, node->left);
node->offset += node->left->offset;
- node->parity += node->left->parity;
+ node->total_count += node->left->total_count;
}
if (node->right != tree->nil)
{
gtk_rbtree_reorder_fixup (tree, node->right);
node->offset += node->right->offset;
- node->parity += node->right->parity;
+ node->total_count += node->right->total_count;
}
if (node->children)
{
node->offset += node->children->root->offset;
- node->parity += node->children->root->parity;
+ node->total_count += node->children->root->total_count;
}
if (GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_INVALID) ||
@@ -998,7 +998,7 @@ _gtk_rbtree_node_find_parity (GtkRBTree *tree,
g_assert (node);
g_assert (node->left);
- retval = node->left->parity;
+ retval = node->left->total_count;
while (tree && node && node != tree->nil)
{
@@ -1007,7 +1007,7 @@ _gtk_rbtree_node_find_parity (GtkRBTree *tree,
/* Add left branch, plus children, iff we came from the right */
if (node->right == last)
- retval += node->parity - node->right->parity;
+ retval += node->total_count - node->right->total_count;
if (node == tree->nil)
{
@@ -1016,7 +1016,7 @@ _gtk_rbtree_node_find_parity (GtkRBTree *tree,
/* Add the parent node, plus the left branch. */
if (node)
- retval += node->left->parity + 1; /* 1 == GTK_RBNODE_GET_PARITY() */
+ retval += node->left->total_count + 1; /* 1 == GTK_RBNODE_GET_PARITY() */
}
}
@@ -1154,7 +1154,7 @@ _gtk_rbtree_remove_node (GtkRBTree *tree,
x->count--;
}
- /* offsets and parity adjust all the way up through parent trees */
+ /* offsets and total count adjust all the way up through parent trees */
y_height = GTK_RBNODE_GET_HEIGHT (y);
tmp_tree = tree;
@@ -1163,7 +1163,7 @@ _gtk_rbtree_remove_node (GtkRBTree *tree,
{
tmp_node->offset -= (y_height + (y->children?y->children->root->offset:0));
_fixup_validation (tmp_tree, tmp_node);
- _fixup_parity (tmp_tree, tmp_node);
+ _fixup_total_count (tmp_tree, tmp_node);
tmp_node = tmp_node->parent;
if (tmp_node == tmp_tree->nil)
{
@@ -1203,7 +1203,7 @@ _gtk_rbtree_remove_node (GtkRBTree *tree,
if (tmp_node != tmp_tree->nil)
{
_fixup_validation (tmp_tree, tmp_node);
- _fixup_parity (tmp_tree, tmp_node);
+ _fixup_total_count (tmp_tree, tmp_node);
}
tmp_node = tmp_node->parent;
if (tmp_node == tmp_tree->nil)
@@ -1234,7 +1234,7 @@ _gtk_rbtree_remove_node (GtkRBTree *tree,
node->children = NULL;
}
_fixup_validation (tree, node);
- _fixup_parity (tree, node);
+ _fixup_total_count (tree, node);
/* We want to see how different our height is from the previous node.
* To do this, we compare our current height with our supposed height.
*/
@@ -1246,7 +1246,7 @@ _gtk_rbtree_remove_node (GtkRBTree *tree,
{
tmp_node->offset += diff;
_fixup_validation (tmp_tree, tmp_node);
- _fixup_parity (tmp_tree, tmp_node);
+ _fixup_total_count (tmp_tree, tmp_node);
tmp_node = tmp_node->parent;
if (tmp_node == tmp_tree->nil)
{
@@ -1484,41 +1484,32 @@ void _fixup_validation (GtkRBTree *tree,
}
static inline
-void _fixup_parity (GtkRBTree *tree,
+void _fixup_total_count (GtkRBTree *tree,
GtkRBNode *node)
{
- node->parity = 1 +
- (node->children != NULL ? node->children->root->parity : 0) +
- node->left->parity + node->right->parity;
+ node->total_count = 1 +
+ (node->children != NULL ? node->children->root->total_count : 0) +
+ node->left->total_count + node->right->total_count;
}
#ifdef G_ENABLE_DEBUG
static guint
-get_parity (GtkRBNode *node)
+get_total_count (GtkRBNode *node)
{
guint child_total = 0;
- /* The parity of a node is node->parity minus
- * the parity of left, right, and children.
- *
- * This is equivalent to saying that if left, right, children
- * sum to 0 parity, then node->parity is the parity of node,
- * and if left, right, children are odd parity, then
- * node->parity is the reverse of the node's parity.
- */
-
- child_total += (guint) node->left->parity;
- child_total += (guint) node->right->parity;
+ child_total += (guint) node->left->total_count;
+ child_total += (guint) node->right->total_count;
if (node->children)
- child_total += (guint) node->children->root->parity;
+ child_total += (guint) node->children->root->total_count;
return child_total + 1;
}
static guint
-count_parity (GtkRBTree *tree,
- GtkRBNode *node)
+count_total (GtkRBTree *tree,
+ GtkRBNode *node)
{
guint res;
@@ -1526,16 +1517,16 @@ count_parity (GtkRBTree *tree,
return 0;
res =
- count_parity (tree, node->left) +
- count_parity (tree, node->right) +
+ count_total (tree, node->left) +
+ count_total (tree, node->right) +
(guint)1 +
- (node->children ? count_parity (node->children, node->children->root) : 0);
+ (node->children ? count_total (node->children, node->children->root) : 0);
- if (res != node->parity)
- g_print ("parity incorrect for node\n");
+ if (res != node->total_count)
+ g_print ("total count incorrect for node\n");
- if (get_parity (node) != node->parity)
- g_error ("Node has incorrect parity %u, should be %u", node->parity, get_parity (node));
+ if (get_total_count (node) != node->total_count)
+ g_error ("Node has incorrect total count %u, should be %u", node->total_count, get_total_count (node));
return res;
}
@@ -1692,7 +1683,7 @@ _gtk_rbtree_test (const gchar *where,
_gtk_rbtree_test_height (tmp_tree, tmp_tree->root);
_gtk_rbtree_test_dirty (tmp_tree, tmp_tree->root, GTK_RBNODE_FLAG_SET (tmp_tree->root, GTK_RBNODE_DESCENDANTS_INVALID));
- g_assert (count_parity (tmp_tree, tmp_tree->root) == tmp_tree->root->parity);
+ g_assert (count_total (tmp_tree, tmp_tree->root) == tmp_tree->root->total_count);
}
static void
@@ -1708,7 +1699,7 @@ _gtk_rbtree_debug_spew_helper (GtkRBTree *tree,
node,
(GTK_RBNODE_GET_COLOR (node) == GTK_RBNODE_BLACK)?"BLACK":" RED ",
node->offset,
- node->parity,
+ node->total_count,
(GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_DESCENDANTS_INVALID))?1:0,
(GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_INVALID))?1:0,
(GTK_RBNODE_FLAG_SET (node, GTK_RBNODE_COLUMN_INVALID))?1:0);