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ds: tree: convert to new object system

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This commit is contained in:
max 🍓
2025-10-19 13:42:10 +01:00
parent 6a56391a07
commit 838835e6e1
3 changed files with 119 additions and 115 deletions
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186
ds/tree.c
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@@ -1,8 +1,4 @@
#include "tree.h"
#include <blue/ds/object.h>
#include <blue/ds/tree.h>
#include <blue/ds/type.h>
#include <stdlib.h>
#include <string.h>
@@ -16,27 +12,85 @@
#define NODE_FIRST_CHILD(n) ((n)->__p02)
#define NODE_NEXT_SIBLING(n) ((n)->__p03)
static struct b_dsref_type tree_type = {
.t_name = "corelib::tree",
.t_flags = B_DSREF_FUNDAMENTAL,
.t_id = B_DSREF_TYPE_TREE,
.t_instance_size = sizeof(struct b_tree),
/*** PRIVATE DATA *************************************************************/
struct b_tree_p {
struct b_tree_node *t_root;
};
struct b_tree *b_tree_create(void)
/*** PRIVATE FUNCTIONS ********************************************************/
static void tree_set_root(struct b_tree_p *tree, struct b_tree_node *node)
{
struct b_tree *tree
= (struct b_tree *)b_dsref_type_instantiate(&tree_type);
if (!tree) {
tree->t_root = node;
}
static const struct b_tree_node *next_node(
const struct b_tree_node *node, bool recursive, int *depth_diff)
{
if (!node) {
return NULL;
}
return tree;
if (!recursive) {
node = NODE_NEXT_SIBLING(node);
return node;
}
int d = 0;
struct b_tree_node *next = NODE_FIRST_CHILD(node);
if (next) {
d = 1;
*depth_diff = d;
return next;
}
const struct b_tree_node *n = node;
next = NODE_NEXT_SIBLING(n);
while (!next) {
n = NODE_PARENT(n);
if (!n) {
break;
}
d--;
next = NODE_NEXT_SIBLING(n);
}
*depth_diff = d;
return next;
}
void b_tree_set_root(struct b_tree *tree, struct b_tree_node *node)
static void reparent_children(
struct b_tree_node *old_parent, struct b_tree_node *new_parent)
{
tree->t_root = node;
struct b_tree_node *last = NODE_FIRST_CHILD(new_parent);
while (last && NODE_NEXT_SIBLING(last)) {
last = NODE_NEXT_SIBLING(last);
}
struct b_tree_node *cur = NODE_FIRST_CHILD(old_parent);
while (cur) {
struct b_tree_node *next = NODE_NEXT_SIBLING(cur);
NODE_PARENT(cur) = new_parent;
NODE_NEXT_SIBLING(cur) = NULL;
if (last) {
NODE_NEXT_SIBLING(last) = cur;
} else {
NODE_FIRST_CHILD(new_parent) = cur;
}
last = cur;
cur = next;
}
}
/*** PUBLIC FUNCTIONS *********************************************************/
void b_tree_set_root(b_tree *tree, struct b_tree_node *node)
{
B_CLASS_DISPATCH_STATIC(B_TYPE_TREE, tree_set_root, tree, node);
}
void b_tree_node_add_child(struct b_tree_node *parent, struct b_tree_node *child)
@@ -85,6 +139,35 @@ struct b_tree_node *b_tree_node_get_child(struct b_tree_node *node, size_t at)
return cur;
}
/*** VIRTUAL FUNCTIONS ********************************************************/
static void tree_init(b_object *obj, void *priv)
{
struct b_tree_p *tree = priv;
}
static void tree_fini(b_object *obj, void *priv)
{
struct b_tree_p *tree = priv;
}
/*** CLASS DEFINITION *********************************************************/
B_TYPE_CLASS_DEFINITION_BEGIN(b_tree)
B_TYPE_CLASS_INTERFACE_BEGIN(b_object, B_TYPE_OBJECT)
B_INTERFACE_ENTRY(to_string) = NULL;
B_TYPE_CLASS_INTERFACE_END(b_object, B_TYPE_OBJECT)
B_TYPE_CLASS_DEFINITION_END(b_tree)
B_TYPE_DEFINITION_BEGIN(b_tree)
B_TYPE_ID(0x8d8fa36b, 0xc515, 0x4803, 0x8124, 0xfd704f01b8ae);
B_TYPE_CLASS(b_tree_class);
B_TYPE_INSTANCE_INIT(tree_init);
B_TYPE_INSTANCE_INIT(tree_fini);
B_TYPE_DEFINITION_END(b_tree)
/*** ITERATOR FUNCTIONS *******************************************************/
static bool tree_iterator_next(struct b_iterator *it)
{
return b_tree_iterator_next((struct b_tree_iterator *)it);
@@ -105,9 +188,10 @@ struct b_tree_node *b_tree_node_get_parent(struct b_tree_node *node)
return NODE_PARENT(node);
}
int b_tree_iterator_begin(struct b_tree *tree, b_tree_iterator *it)
int b_tree_iterator_begin(b_tree *tree, b_tree_iterator *it)
{
return b_tree_iterator_begin_at_node_recursive(tree->t_root, it);
struct b_tree_p *p = b_object_get_private(tree, B_TYPE_TREE);
return b_tree_iterator_begin_at_node_recursive(p->t_root, it);
}
static b_iterator_ops it_ops = {
@@ -143,42 +227,6 @@ int b_tree_iterator_begin_at_node_recursive(
return 0;
}
static const struct b_tree_node *next_node(
const struct b_tree_node *node, bool recursive, int *depth_diff)
{
if (!node) {
return NULL;
}
if (!recursive) {
node = NODE_NEXT_SIBLING(node);
return node;
}
int d = 0;
struct b_tree_node *next = NODE_FIRST_CHILD(node);
if (next) {
d = 1;
*depth_diff = d;
return next;
}
const struct b_tree_node *n = node;
next = NODE_NEXT_SIBLING(n);
while (!next) {
n = NODE_PARENT(n);
if (!n) {
break;
}
d--;
next = NODE_NEXT_SIBLING(n);
}
*depth_diff = d;
return next;
}
bool b_tree_iterator_next(struct b_tree_iterator *it)
{
int depth_diff = 0;
@@ -229,31 +277,6 @@ static void remove_node(struct b_tree_node *node)
NODE_PARENT(n0) = NODE_NEXT_SIBLING(n0) = NULL;
}
static void reparent_children(
struct b_tree_node *old_parent, struct b_tree_node *new_parent)
{
struct b_tree_node *last = NODE_FIRST_CHILD(new_parent);
while (last && NODE_NEXT_SIBLING(last)) {
last = NODE_NEXT_SIBLING(last);
}
struct b_tree_node *cur = NODE_FIRST_CHILD(old_parent);
while (cur) {
struct b_tree_node *next = NODE_NEXT_SIBLING(cur);
NODE_PARENT(cur) = new_parent;
NODE_NEXT_SIBLING(cur) = NULL;
if (last) {
NODE_NEXT_SIBLING(last) = cur;
} else {
NODE_FIRST_CHILD(new_parent) = cur;
}
last = cur;
cur = next;
}
}
b_status b_tree_iterator_erase(struct b_tree_iterator *it)
{
if (!it->node) {
@@ -293,8 +316,3 @@ bool b_tree_iterator_is_valid(const struct b_tree_iterator *it)
{
return it->node != NULL;
}
b_dsref_type_id b_tree_type_id(void)
{
return (b_dsref_type_id)&tree_type;
}