void insertRBNode(ppRBNode root, int data) {
pRBNode z = (pRBNode)malloc(sizeof(RBNode));
if(z == NULL) {
perror("malloc");
exit(EXIT_FAILURE);
}
z->val = data;
z->left = z->right = z->parent = NULL;
if(*root == NULL) {
z->color = 'B';
(*root) = z;
} else {
pRBNode y = NULL, x = (*root);
while(x != NULL) {
y = x;
if(z->val < x->val)
x = x->left;
else
x = x->right;
}
z->parent = y;
if(y == NULL)
(*root) = z;
else if(z->val < y->val)
y->left = z;
else
y->right = z;
z->color = 'R';
insertFixup(root, z);
}
}
// RBTree mutators
void RBTree :: RBinsert( NodePtr z )
{
NodePtr y = nil ;
NodePtr x = root ;
while (x!=nil){
y=x;
if (z -> key < x->key){
x = x->left;
}
else{
x = x->right;
}
}
z -> p = y;
if(y == nil){
root = z;
}
else if ( z -> key < y->key){
y->left = z;
}
else{
y->right = z;
}
z->left = nil;
z->right = nil;
z->color = 'R';
insertFixup( z ) ;
}
void RBTree::insert(int key) {
RBNode *z = new RBNode(key);
RBNode *x = root;
RBNode *y = NIL;
while (x != NIL) {
y = x;
if (key < x->key)
x = x->left;
else
x = x->right;
}
z->parent = y;
if (y == NIL)
root = z;
else if (key < y->key)
y->left = z;
else
y->right = z;
z->left = NIL;
z->right = NIL;
z->color = RED;
insertFixup(z);
}
//红黑树插入操作
void RBTree::TreeInsert(Node& node)
{
Node* z = new Node(node);
Node* y = NIL;
Node* x = Treepoint;
while (x != NIL)
{
y = x;
if (z->getKey() < x->getKey())
x = x->getLeft();
else
x = x->getRight();
}
z->setParent(y);
if (y == NIL)
Treepoint = z;
else if (z->getKey() < y->getKey())
y->setLeft(z);
else
y->setRight(z);
z->setLeft(NIL);
z->setRight(NIL);
z->setColour(RED);
insertFixup(z);
}
SYMBOL * findInsertSymbol(char * key, int forceCreation)
{
SYMBOL *current, *parent, *x;
int c;
/* find future parent */
current = (root == NULL) ? NIL_SYM : root;
parent = 0;
while (current != NIL_SYM)
{
if( ((c = str2cmp(key, current->name)) == 0) && ((c = strcmp(key, current->name)) == 0) )
return(current);
parent = current;
current = (c < 0) ? current->left : current->right;
}
/* if forceCreation not specified just return */
if(forceCreation == LOOKUP_ONLY) return(NULL);
/* allocate new symbol */
x = (SYMBOL *)callocMemory(sizeof(SYMBOL));
x->parent = parent;
x->left = NIL_SYM;
x->right = NIL_SYM;
x->color = RED;
/* insert node in tree */
if(parent)
{
if( (c = str2cmp(key, parent->name)) < 0)
parent->left = x;
else if(c > 0)
parent->right = x;
else if(strcmp(key, parent->name) < 0)
parent->left = x;
else
parent->right = x;
}
else
root =x;
insertFixup(x);
/* return new node */
++symbolCount;
return(x);
}
void insertNode(RBTree *tree, RBData *data) {
Node *current, *parent, *x;
/* Find where node belongs */
current = tree->root;
parent = 0;
while (current != NIL) {
if (compEQ(data->primary_key, current->data->primary_key)) {
printf("insertNode: trying to insert but primary key is already in tree.\n");
exit(1);
}
parent = current;
current = compLT(data->primary_key, current->data->primary_key) ?
current->left : current->right;
}
/* setup new node */
if ((x = malloc (sizeof(*x))) == 0) {
printf ("insufficient memory (insertNode)\n");
exit(1);
}
/* Note that the data is not copied. Just the pointer
is assigned. This means that the pointer to the
data should not be overwritten after calling this
function. */
x->data = data;
/* Copy remaining data */
x->parent = parent;
x->left = NIL;
x->right = NIL;
x->color = RED;
/* Insert node in tree */
if(parent) {
if(compLT(data->primary_key, parent->data->primary_key))
parent->left = x;
else
parent->right = x;
} else {
tree->root = x;
}
insertFixup(tree, x);
}
bool RedBlackTree<Key, Data>::insert(Key const &key, Data const & rec)
{
RedBlackNode<Key, Data> *current, *parent = nullNode, *x = nullNode;
/* find future parent */
current = rootNode;
while (valid(current)) {
parent = current;
int ret = Compare(key, current->id);
if (ret < 0)
current = current->left;
else if (ret > 0)
current = current->right;
else
return false;
}
/* setup new node */
if ((x = new RedBlackNode<Key, Data>()) == 0) {
return false;
}
x->parent = parent;
x->left = nullNode;
x->right = nullNode;
x->color = RED;
x->id = Duplicate(key);
x->data = rec;
/* insert node in tree */
if (valid(parent)) {
if (Compare(key, parent->id) <= 0)
parent->left = x;
else
parent->right = x;
} else {
rootNode = x;
}
m_cachedSize++;
insertFixup(x);
return true;
}
// insert new node (no duplicates allowed)
RbtStatus rbtInsert(RBTreeType *tree, KeyType key, ValType val)
{
NodeType **root = &tree->root;
NodeType *current, *parent, *x;
// allocate node for data and insert in tree
// find future parent
current = *root;
parent = 0;
while (current != SENTINEL) {
if (compEQ(key, current->key))
return RBT_STATUS_DUPLICATE_KEY;
parent = current;
current = compLT(key, current->key) ?
current->left : current->right;
}
// setup new node
if ((x = malloc (sizeof(*x))) == 0)
return RBT_STATUS_MEM_EXHAUSTED;
x->parent = parent;
x->left = SENTINEL;
x->right = SENTINEL;
x->color = RED;
x->key = key;
x->val = val;
// insert node in tree
if(parent) {
if(compLT(key, parent->key))
parent->left = x;
else
parent->right = x;
} else {
*root = x;
}
insertFixup(root, x, SENTINEL);
return RBT_STATUS_OK;
}
rbt_node* rbt_insert(T key, LRU_elem *associated_LRU_elem, rbt_node **root) {
rbt_node *current, *parent, *x;
/***********************************************
* allocate node for data and insert in tree *
***********************************************/
/* find where node belongs */
current = *root;
parent = 0;
while (current != NIL) {
if (compEQ(key, current->key)) return (current);
parent = current;
current = compLT(key, current->key) ?
current->left : current->right;
}
/* setup new node */
if ((x = malloc (sizeof(*x))) == 0) {
printf ("insufficient memory (insertNode)\n");
exit(1);
}
x->key = key;
x->parent = parent;
x->left = NIL;
x->right = NIL;
x->color = RED;
x->associated_LRU_elem = associated_LRU_elem;
/* insert node in tree */
if(parent) {
if(compLT(key, parent->key))
parent->left = x;
else
parent->right = x;
} else {
*root = x;
}
insertFixup(x, root);
return(x);
}
//-----------------------------------------------------------------------------
/// insert new node in the tree as a child of given parent (after find was made)
/// \param[in] x - new node to insert
/// \param[in] parent - the parent of new node. This ptr is calculated by findNode function
/// \param[in] p_root - the root of the tree
//-----------------------------------------------------------------------------
void insertNodeToParent(Node *x, Node*parent, Node**p_root)
{
x->parent = parent;
x->left = NIL;
x->right = NIL;
x->color = RED;
/* insert node in tree */
if(parent) {
if(compLT(x->node_data, parent->node_data))
parent->left = x;
else
parent->right = x;
} else {
*p_root = x;
}
insertFixup(x, p_root);
return;
}
Node *insertNode(T data) {
Node *current, *parent, *x;
/***********************************************
* allocate node for data and insert in tree *
***********************************************/
/* find where node belongs */
current = root;
parent = 0;
while (current != NIL) {
if (compEQ(data, current->data)) return (current);
parent = current;
current = compLT(data, current->data) ?
current->left : current->right;
}
/* setup new node */
if ((x = malloc (sizeof(*x))) == 0) {
printf ("insufficient memory (insertNode)\n");
exit(1);
}
x->data = data;
x->parent = parent;
x->left = NIL;
x->right = NIL;
x->color = RED;
/* insert node in tree */
if(parent) {
if(compLT(data, parent->data))
parent->left = x;
else
parent->right = x;
} else {
root = x;
}
insertFixup(x);
return(x);
}
RbtStatus rbtInsert(RbtHandle h, void *key, void *val) {
NodeType *current, *parent, *x;
RbtType *rbt = h;
/* allocate node for data and insert in tree */
/* find future parent */
current = rbt->root;
parent = 0;
while (current != SENTINEL) {
int rc = rbt->compare(key, current->key);
if (rc == 0)
return RBT_STATUS_DUPLICATE_KEY;
parent = current;
current = (rc < 0) ? current->left : current->right;
}
/* setup new node */
if ((x = malloc (sizeof(*x))) == 0)
return RBT_STATUS_MEM_EXHAUSTED;
x->parent = parent;
x->left = SENTINEL;
x->right = SENTINEL;
x->color = RED;
x->key = key;
x->val = val;
/* insert node in tree */
if(parent) {
if(rbt->compare(key, parent->key) < 0)
parent->left = x;
else
parent->right = x;
} else {
rbt->root = x;
}
insertFixup(rbt, x);
return RBT_STATUS_OK;
}
Node * insertNode(T data) {
Node * current, * parent, * x;
/***********************************************
* allocate node for data and insert in tree *
***********************************************/
/* find where node belongs */
current = root;
parent = 0;
while (current != NIL) {
if (compEQ(data, current->data)) {
++current->count;
return (current);
}
parent = current;
current = compLT(data, current->data) ? current->left : current->right;
}
/* setup new node */
if ((x = malloc (sizeof(*x))) == 0)
err(EMEM);
x->data = data;
x->parent = parent;
x->left = NIL;
x->right = NIL;
x->color = RED;
x->count = 1;
/* insert node in tree */
if(parent) {
if(compLT(data, parent->data))
parent->left = x;
else
parent->right = x;
} else
root = x;
insertFixup(x);
return(x);
}
bool insert(BRTree * T, int val, int index, int k, int t) {
if(T == NULL) {
T = malloc(sizeof(BRTree *));
T->root = NULL;
}
BRNode * y = NULL;
BRNode * x = T->root;
while(x != NULL) {
y = x;
if(val <= x->value) {
x = x->left;
} else if (val > x->value) {
x = x->right;
}
}
x = malloc(sizeof(BRNode));
x->left = x->right = NULL;
x->color = RED;
x->value = val;
x->index = index;
x->p = y;
if (y == NULL) {
T->root = x;
} else {
if(val <= y->value) {
y->left = x;
} else {
y->right = x;
}
}
insertFixup(T, x);
if (traverse(x, k, t)) {
return true;
}
return false;
}
int RedBlackTree::Insert(const char *szStr, int Offset)
{
if (szStr == NULL)
{
return 0 ;
}
unsigned int hashValue = crc32(szStr) ;
TreeNode * pNode = m_pRoot ;
TreeNode * tmp = NULL ;
// 如果树为空的话
if (m_pRoot == m_pSentinel)
{
tmp = new TreeNode(hashValue) ;
if (tmp == NULL)
{
exit(EXIT_FAILURE) ;
}
tmp->left = tmp->right = tmp->parent = m_pSentinel ;
tmp->color = red ;
tmp->pList->Push(Offset) ;
m_pRoot = tmp ;
return 1 ;
}
for (; pNode != m_pSentinel;)
{
if (hashValue < pNode->key && pNode->left != m_pSentinel)
{
pNode = pNode->left ;
}
else if (hashValue > pNode->key && pNode->right != m_pSentinel)
{
pNode = pNode->right ;
}
else if (hashValue == pNode->key)
{
pNode->pList->Push(Offset) ;
return 1 ;
}
else
{
break ;
}
}
if (pNode == m_pSentinel)
{
return 0;
}
tmp = NULL ;
tmp = new TreeNode(hashValue) ;
if (tmp == NULL)
{
exit(EXIT_FAILURE) ;
}
tmp->left = tmp->right = m_pSentinel ;
tmp->color = red ;
tmp->key = hashValue ;
tmp->parent = pNode ;
// 往左边插入
if (hashValue < pNode->key && pNode->left == m_pSentinel)
{
pNode->left = tmp ;
}
// 入右边插入
else if (hashValue > pNode->key && pNode->right == m_pSentinel)
{
pNode->right = tmp ;
}
tmp->pList->Push(Offset) ;
insertFixup(tmp) ;
return 1;
}