Formatted EVERYTHING
This commit is contained in:
+105
-276
@@ -1,147 +1,88 @@
|
||||
#pragma once
|
||||
#include <memory_resource>
|
||||
#include "Pair.h"
|
||||
#include <memory_resource>
|
||||
|
||||
namespace Seele
|
||||
{
|
||||
template <
|
||||
typename KeyType,
|
||||
typename NodeData,
|
||||
typename KeyFun,
|
||||
typename Compare,
|
||||
typename Allocator>
|
||||
struct Tree
|
||||
{
|
||||
protected:
|
||||
struct Node
|
||||
{
|
||||
Node(Node* left, Node* right, const NodeData& nodeData)
|
||||
: leftChild(left)
|
||||
, rightChild(right)
|
||||
, data(nodeData)
|
||||
{}
|
||||
Node(Node* left, Node* right, NodeData&& nodeData)
|
||||
: leftChild(left)
|
||||
, rightChild(right)
|
||||
, data(std::move(nodeData))
|
||||
{}
|
||||
|
||||
namespace Seele {
|
||||
template <typename KeyType, typename NodeData, typename KeyFun, typename Compare, typename Allocator> struct Tree {
|
||||
protected:
|
||||
struct Node {
|
||||
Node(Node* left, Node* right, const NodeData& nodeData) : leftChild(left), rightChild(right), data(nodeData) {}
|
||||
Node(Node* left, Node* right, NodeData&& nodeData) : leftChild(left), rightChild(right), data(std::move(nodeData)) {}
|
||||
Node* leftChild;
|
||||
Node* rightChild;
|
||||
NodeData data;
|
||||
};
|
||||
using NodeAlloc = std::allocator_traits<Allocator>::template rebind_alloc<Node>;
|
||||
public:
|
||||
template<typename IterType>
|
||||
class IteratorBase
|
||||
{
|
||||
public:
|
||||
|
||||
public:
|
||||
template <typename IterType> class IteratorBase {
|
||||
public:
|
||||
using iterator_category = std::bidirectional_iterator_tag;
|
||||
using value_type = IterType;
|
||||
using difference_type = std::ptrdiff_t;
|
||||
using reference = IterType&;
|
||||
using pointer = IterType*;
|
||||
|
||||
constexpr IteratorBase(Node* x = nullptr, Array<Node*>&& beginIt = Array<Node*>())
|
||||
: node(x), traversal(std::move(beginIt))
|
||||
{
|
||||
}
|
||||
constexpr IteratorBase(const IteratorBase& i)
|
||||
: node(i.node), traversal(i.traversal)
|
||||
{
|
||||
}
|
||||
constexpr IteratorBase(IteratorBase&& i) noexcept
|
||||
: node(std::move(i.node)), traversal(std::move(i.traversal))
|
||||
{
|
||||
}
|
||||
constexpr IteratorBase& operator=(const IteratorBase& other)
|
||||
{
|
||||
if (this != &other)
|
||||
{
|
||||
constexpr IteratorBase(Node* x = nullptr, Array<Node*>&& beginIt = Array<Node*>()) : node(x), traversal(std::move(beginIt)) {}
|
||||
constexpr IteratorBase(const IteratorBase& i) : node(i.node), traversal(i.traversal) {}
|
||||
constexpr IteratorBase(IteratorBase&& i) noexcept : node(std::move(i.node)), traversal(std::move(i.traversal)) {}
|
||||
constexpr IteratorBase& operator=(const IteratorBase& other) {
|
||||
if (this != &other) {
|
||||
node = other.node;
|
||||
traversal = other.traversal;
|
||||
}
|
||||
return *this;
|
||||
}
|
||||
constexpr IteratorBase& operator=(IteratorBase&& other) noexcept
|
||||
{
|
||||
if (this != &other)
|
||||
{
|
||||
constexpr IteratorBase& operator=(IteratorBase&& other) noexcept {
|
||||
if (this != &other) {
|
||||
node = std::move(other.node);
|
||||
traversal = std::move(other.traversal);
|
||||
}
|
||||
return *this;
|
||||
}
|
||||
constexpr reference operator*() const
|
||||
{
|
||||
return node->data;
|
||||
}
|
||||
constexpr pointer operator->() const
|
||||
{
|
||||
return &(node->data);
|
||||
}
|
||||
constexpr bool operator!=(const IteratorBase& other)
|
||||
{
|
||||
return node != other.node;
|
||||
}
|
||||
constexpr bool operator==(const IteratorBase& other)
|
||||
{
|
||||
return node == other.node;
|
||||
}
|
||||
constexpr std::strong_ordering operator<=>(const IteratorBase& other)
|
||||
{
|
||||
return node <=> other.node;
|
||||
}
|
||||
constexpr IteratorBase& operator++()
|
||||
{
|
||||
constexpr reference operator*() const { return node->data; }
|
||||
constexpr pointer operator->() const { return &(node->data); }
|
||||
constexpr bool operator!=(const IteratorBase& other) { return node != other.node; }
|
||||
constexpr bool operator==(const IteratorBase& other) { return node == other.node; }
|
||||
constexpr std::strong_ordering operator<=>(const IteratorBase& other) { return node <=> other.node; }
|
||||
constexpr IteratorBase& operator++() {
|
||||
node = node->rightChild;
|
||||
while (node != nullptr
|
||||
&& node->leftChild != nullptr)
|
||||
{
|
||||
while (node != nullptr && node->leftChild != nullptr) {
|
||||
traversal.add(node);
|
||||
node = node->leftChild;
|
||||
}
|
||||
if (node == nullptr
|
||||
&& traversal.size() > 0)
|
||||
{
|
||||
if (node == nullptr && traversal.size() > 0) {
|
||||
node = traversal.back();
|
||||
traversal.pop();
|
||||
}
|
||||
return *this;
|
||||
}
|
||||
constexpr IteratorBase& operator--()
|
||||
{
|
||||
constexpr IteratorBase& operator--() {
|
||||
node = node->leftChild;
|
||||
while (node != nullptr
|
||||
&& node->rightChild != nullptr)
|
||||
{
|
||||
while (node != nullptr && node->rightChild != nullptr) {
|
||||
traversal.add(node);
|
||||
node = node->rightchild;
|
||||
}
|
||||
if (node == nullptr
|
||||
&& traversal.size() > 0)
|
||||
{
|
||||
if (node == nullptr && traversal.size() > 0) {
|
||||
node = traversal.back();
|
||||
traversal.pop();
|
||||
}
|
||||
return *this;
|
||||
}
|
||||
constexpr IteratorBase operator--(int)
|
||||
{
|
||||
constexpr IteratorBase operator--(int) {
|
||||
IteratorBase tmp(*this);
|
||||
--*this;
|
||||
return tmp;
|
||||
}
|
||||
constexpr IteratorBase operator++(int)
|
||||
{
|
||||
constexpr IteratorBase operator++(int) {
|
||||
IteratorBase tmp(*this);
|
||||
++*this;
|
||||
return tmp;
|
||||
}
|
||||
Node* getNode()
|
||||
{
|
||||
return node;
|
||||
}
|
||||
private:
|
||||
Node* getNode() { return node; }
|
||||
|
||||
private:
|
||||
Node* node;
|
||||
Array<Node*> traversal;
|
||||
};
|
||||
@@ -164,84 +105,39 @@ public:
|
||||
using const_reverse_iterator = std::reverse_iterator<const_iterator>;
|
||||
|
||||
constexpr Tree() noexcept
|
||||
: alloc(NodeAlloc())
|
||||
, root(nullptr)
|
||||
, beginIt(nullptr)
|
||||
, endIt(nullptr)
|
||||
, iteratorsDirty(true)
|
||||
, _size(0)
|
||||
, comp(Compare())
|
||||
{
|
||||
}
|
||||
: alloc(NodeAlloc()), root(nullptr), beginIt(nullptr), endIt(nullptr), iteratorsDirty(true), _size(0), comp(Compare()) {}
|
||||
constexpr explicit Tree(const Compare& comp, const Allocator& alloc = Allocator()) noexcept(noexcept(Allocator()))
|
||||
: alloc(alloc)
|
||||
, root(nullptr)
|
||||
, beginIt(nullptr)
|
||||
, endIt(nullptr)
|
||||
, iteratorsDirty(true)
|
||||
, _size(0)
|
||||
, comp(comp)
|
||||
{
|
||||
}
|
||||
: alloc(alloc), root(nullptr), beginIt(nullptr), endIt(nullptr), iteratorsDirty(true), _size(0), comp(comp) {}
|
||||
constexpr explicit Tree(const Allocator& alloc) noexcept(noexcept(Compare()))
|
||||
: alloc(alloc)
|
||||
, root(nullptr)
|
||||
, beginIt(nullptr)
|
||||
, endIt(nullptr)
|
||||
, iteratorsDirty(true)
|
||||
, _size(0)
|
||||
, comp(Compare())
|
||||
{
|
||||
}
|
||||
constexpr Tree(const Tree& other)
|
||||
: alloc(other.alloc)
|
||||
, root(nullptr)
|
||||
, iteratorsDirty(true)
|
||||
, _size()
|
||||
, comp(other.comp)
|
||||
{
|
||||
for (const auto& elem : other)
|
||||
{
|
||||
: alloc(alloc), root(nullptr), beginIt(nullptr), endIt(nullptr), iteratorsDirty(true), _size(0), comp(Compare()) {}
|
||||
constexpr Tree(const Tree& other) : alloc(other.alloc), root(nullptr), iteratorsDirty(true), _size(), comp(other.comp) {
|
||||
for (const auto& elem : other) {
|
||||
insert(elem);
|
||||
}
|
||||
}
|
||||
constexpr Tree(Tree&& other) noexcept
|
||||
: alloc(std::move(other.alloc))
|
||||
, root(std::move(other.root))
|
||||
, iteratorsDirty(true)
|
||||
, _size(std::move(other._size))
|
||||
, comp(std::move(other.comp))
|
||||
{
|
||||
: alloc(std::move(other.alloc)), root(std::move(other.root)), iteratorsDirty(true), _size(std::move(other._size)),
|
||||
comp(std::move(other.comp)) {
|
||||
other._size = 0;
|
||||
}
|
||||
constexpr ~Tree() noexcept
|
||||
{
|
||||
clear();
|
||||
}
|
||||
constexpr Tree& operator=(const Tree& other)
|
||||
{
|
||||
if (this != &other)
|
||||
{
|
||||
constexpr ~Tree() noexcept { clear(); }
|
||||
constexpr Tree& operator=(const Tree& other) {
|
||||
if (this != &other) {
|
||||
clear();
|
||||
if constexpr (std::allocator_traits<allocator_type>::propagate_on_container_copy_assignment::value)
|
||||
{
|
||||
if constexpr (std::allocator_traits<allocator_type>::propagate_on_container_copy_assignment::value) {
|
||||
alloc = other.alloc;
|
||||
}
|
||||
for (const auto& elem : other)
|
||||
{
|
||||
for (const auto& elem : other) {
|
||||
insert(elem);
|
||||
}
|
||||
markIteratorsDirty();
|
||||
}
|
||||
return *this;
|
||||
}
|
||||
constexpr Tree& operator=(Tree&& other) noexcept
|
||||
{
|
||||
if (this != &other)
|
||||
{
|
||||
constexpr Tree& operator=(Tree&& other) noexcept {
|
||||
if (this != &other) {
|
||||
clear();
|
||||
if constexpr (std::allocator_traits<allocator_type>::propagate_on_container_move_assignment::value)
|
||||
{
|
||||
if constexpr (std::allocator_traits<allocator_type>::propagate_on_container_move_assignment::value) {
|
||||
alloc = std::move(other.alloc);
|
||||
}
|
||||
root = std::move(other.root);
|
||||
@@ -252,144 +148,108 @@ public:
|
||||
}
|
||||
return *this;
|
||||
}
|
||||
constexpr void clear()
|
||||
{
|
||||
while (_size > 0)
|
||||
{
|
||||
constexpr void clear() {
|
||||
while (_size > 0) {
|
||||
root = _remove(root, keyFun(root->data));
|
||||
}
|
||||
root = nullptr;
|
||||
markIteratorsDirty();
|
||||
}
|
||||
constexpr iterator begin()
|
||||
{
|
||||
if (iteratorsDirty)
|
||||
{
|
||||
constexpr iterator begin() {
|
||||
if (iteratorsDirty) {
|
||||
refreshIterators();
|
||||
}
|
||||
return beginIt;
|
||||
}
|
||||
constexpr iterator end()
|
||||
{
|
||||
if (iteratorsDirty)
|
||||
{
|
||||
constexpr iterator end() {
|
||||
if (iteratorsDirty) {
|
||||
refreshIterators();
|
||||
}
|
||||
return endIt;
|
||||
}
|
||||
constexpr iterator begin() const
|
||||
{
|
||||
if (iteratorsDirty)
|
||||
{
|
||||
constexpr iterator begin() const {
|
||||
if (iteratorsDirty) {
|
||||
return calcBeginIterator();
|
||||
}
|
||||
return beginIt;
|
||||
}
|
||||
constexpr iterator end() const
|
||||
{
|
||||
if (iteratorsDirty)
|
||||
{
|
||||
constexpr iterator end() const {
|
||||
if (iteratorsDirty) {
|
||||
return calcEndIterator();
|
||||
}
|
||||
return endIt;
|
||||
}
|
||||
constexpr bool empty() const
|
||||
{
|
||||
return _size == 0;
|
||||
}
|
||||
constexpr size_type size() const
|
||||
{
|
||||
return _size;
|
||||
}
|
||||
protected:
|
||||
constexpr iterator find(const key_type& key)
|
||||
{
|
||||
constexpr bool empty() const { return _size == 0; }
|
||||
constexpr size_type size() const { return _size; }
|
||||
|
||||
protected:
|
||||
constexpr iterator find(const key_type& key) {
|
||||
root = _splay(root, key);
|
||||
if (root == nullptr || !equal(root->data, key))
|
||||
{
|
||||
if (root == nullptr || !equal(root->data, key)) {
|
||||
return end();
|
||||
}
|
||||
return iterator(root);
|
||||
}
|
||||
constexpr iterator find(const key_type& key) const
|
||||
{
|
||||
constexpr iterator find(const key_type& key) const {
|
||||
Node* it = root;
|
||||
while (it != nullptr && !equal(it->data, key))
|
||||
{
|
||||
if (comp(key, keyFun(it->data)))
|
||||
{
|
||||
while (it != nullptr && !equal(it->data, key)) {
|
||||
if (comp(key, keyFun(it->data))) {
|
||||
it = it->leftChild;
|
||||
}
|
||||
else
|
||||
{
|
||||
} else {
|
||||
it = it->rightChild;
|
||||
}
|
||||
}
|
||||
if (it == nullptr)
|
||||
{
|
||||
if (it == nullptr) {
|
||||
return end();
|
||||
}
|
||||
return iterator(it);
|
||||
}
|
||||
constexpr Pair<iterator, bool> insert(const NodeData& data)
|
||||
{
|
||||
constexpr Pair<iterator, bool> insert(const NodeData& data) {
|
||||
auto [r, inserted] = _insert(root, data);
|
||||
root = r;
|
||||
return Pair<iterator, bool>(iterator(root), inserted);
|
||||
}
|
||||
constexpr Pair<iterator, bool> insert(NodeData&& data)
|
||||
{
|
||||
constexpr Pair<iterator, bool> insert(NodeData&& data) {
|
||||
auto [r, inserted] = _insert(root, std::move(data));
|
||||
root = r;
|
||||
return Pair<iterator, bool>(iterator(root), inserted);
|
||||
}
|
||||
constexpr iterator remove(const key_type& key)
|
||||
{
|
||||
constexpr iterator remove(const key_type& key) {
|
||||
root = _remove(root, key);
|
||||
return iterator(root);
|
||||
}
|
||||
private:
|
||||
void verifyTree()
|
||||
{
|
||||
|
||||
private:
|
||||
void verifyTree() {
|
||||
size_t numElems = 0;
|
||||
for (const auto& it : *this)
|
||||
{
|
||||
for (const auto& it : *this) {
|
||||
numElems++;
|
||||
}
|
||||
assert(numElems == _size);
|
||||
}
|
||||
void markIteratorsDirty()
|
||||
{
|
||||
iteratorsDirty = true;
|
||||
}
|
||||
void refreshIterators()
|
||||
{
|
||||
void markIteratorsDirty() { iteratorsDirty = true; }
|
||||
void refreshIterators() {
|
||||
beginIt = calcBeginIterator();
|
||||
endIt = calcEndIterator();
|
||||
iteratorsDirty = false;
|
||||
}
|
||||
constexpr Iterator calcBeginIterator() const
|
||||
{
|
||||
constexpr Iterator calcBeginIterator() const {
|
||||
Node* begin = root;
|
||||
Array<Node*> beginTraversal;
|
||||
while (begin != nullptr)
|
||||
{
|
||||
while (begin != nullptr) {
|
||||
beginTraversal.add(begin);
|
||||
begin = begin->leftChild;
|
||||
}
|
||||
if (!beginTraversal.empty())
|
||||
{
|
||||
if (!beginTraversal.empty()) {
|
||||
begin = beginTraversal.back();
|
||||
beginTraversal.pop();
|
||||
}
|
||||
return Iterator(begin, std::move(beginTraversal));
|
||||
}
|
||||
constexpr Iterator calcEndIterator() const
|
||||
{
|
||||
constexpr Iterator calcEndIterator() const {
|
||||
Node* endIndex = root;
|
||||
Array<Node*> endTraversal;
|
||||
while (endIndex != nullptr)
|
||||
{
|
||||
while (endIndex != nullptr) {
|
||||
endTraversal.add(endIndex);
|
||||
endIndex = endIndex->rightChild;
|
||||
}
|
||||
@@ -403,26 +263,21 @@ private:
|
||||
size_type _size;
|
||||
Compare comp;
|
||||
KeyFun keyFun = KeyFun();
|
||||
Node* rotateLeft(Node* x)
|
||||
{
|
||||
Node* rotateLeft(Node* x) {
|
||||
Node* y = x->rightChild;
|
||||
x->rightChild = y->leftChild;
|
||||
y->leftChild = x;
|
||||
return y;
|
||||
}
|
||||
Node* rotateRight(Node* x)
|
||||
{
|
||||
Node* rotateRight(Node* x) {
|
||||
Node* y = x->leftChild;
|
||||
x->leftChild = y->rightChild;
|
||||
y->rightChild = x;
|
||||
return y;
|
||||
}
|
||||
template<class NodeDataType>
|
||||
Pair<Node*, bool> _insert(Node* r, NodeDataType&& data)
|
||||
{
|
||||
template <class NodeDataType> Pair<Node*, bool> _insert(Node* r, NodeDataType&& data) {
|
||||
markIteratorsDirty();
|
||||
if (r == nullptr)
|
||||
{
|
||||
if (r == nullptr) {
|
||||
root = alloc.allocate(1);
|
||||
std::allocator_traits<NodeAlloc>::construct(alloc, root, nullptr, nullptr, std::forward<NodeDataType>(data));
|
||||
_size++;
|
||||
@@ -436,14 +291,11 @@ private:
|
||||
Node* newNode = alloc.allocate(1);
|
||||
std::allocator_traits<NodeAlloc>::construct(alloc, newNode, nullptr, nullptr, std::forward<NodeDataType>(data));
|
||||
|
||||
if (comp(keyFun(newNode->data), keyFun(r->data)))
|
||||
{
|
||||
if (comp(keyFun(newNode->data), keyFun(r->data))) {
|
||||
newNode->rightChild = r;
|
||||
newNode->leftChild = r->leftChild;
|
||||
r->leftChild = nullptr;
|
||||
}
|
||||
else
|
||||
{
|
||||
} else {
|
||||
newNode->leftChild = r;
|
||||
newNode->rightChild = r->rightChild;
|
||||
r->rightChild = nullptr;
|
||||
@@ -451,9 +303,7 @@ private:
|
||||
_size++;
|
||||
return Pair<Node*, bool>(newNode, true);
|
||||
}
|
||||
template<class K>
|
||||
Node* _remove(Node* r, K&& key)
|
||||
{
|
||||
template <class K> Node* _remove(Node* r, K&& key) {
|
||||
markIteratorsDirty();
|
||||
Node* temp;
|
||||
if (r == nullptr)
|
||||
@@ -464,13 +314,10 @@ private:
|
||||
if (!equal(r->data, key))
|
||||
return r;
|
||||
|
||||
if (r->leftChild == nullptr)
|
||||
{
|
||||
if (r->leftChild == nullptr) {
|
||||
temp = r;
|
||||
r = r->rightChild;
|
||||
}
|
||||
else
|
||||
{
|
||||
} else {
|
||||
temp = r;
|
||||
|
||||
r = _splay(r->leftChild, key);
|
||||
@@ -481,52 +328,38 @@ private:
|
||||
_size--;
|
||||
return r;
|
||||
}
|
||||
template<class K>
|
||||
Node* _splay(Node* r, K&& key)
|
||||
{
|
||||
template <class K> Node* _splay(Node* r, K&& key) {
|
||||
markIteratorsDirty();
|
||||
if (r == nullptr || equal(r->data, key))
|
||||
{
|
||||
if (r == nullptr || equal(r->data, key)) {
|
||||
return r;
|
||||
}
|
||||
if (comp(key, keyFun(r->data)))
|
||||
{
|
||||
if (comp(key, keyFun(r->data))) {
|
||||
if (r->leftChild == nullptr)
|
||||
return r;
|
||||
|
||||
if (comp(key, keyFun(r->leftChild->data)))
|
||||
{
|
||||
if (comp(key, keyFun(r->leftChild->data))) {
|
||||
r->leftChild->leftChild = _splay(r->leftChild->leftChild, key);
|
||||
|
||||
r = rotateRight(r);
|
||||
}
|
||||
else if (comp(keyFun(r->leftChild->data), key))
|
||||
{
|
||||
} else if (comp(keyFun(r->leftChild->data), key)) {
|
||||
r->leftChild->rightChild = _splay(r->leftChild->rightChild, key);
|
||||
|
||||
if (r->leftChild->rightChild != nullptr)
|
||||
{
|
||||
if (r->leftChild->rightChild != nullptr) {
|
||||
r->leftChild = rotateLeft(r->leftChild);
|
||||
}
|
||||
}
|
||||
return (r->leftChild == nullptr) ? r : rotateRight(r);
|
||||
}
|
||||
else
|
||||
{
|
||||
} else {
|
||||
if (r->rightChild == nullptr)
|
||||
return r;
|
||||
|
||||
if (comp(key, keyFun(r->rightChild->data)))
|
||||
{
|
||||
if (comp(key, keyFun(r->rightChild->data))) {
|
||||
r->rightChild->leftChild = _splay(r->rightChild->leftChild, key);
|
||||
|
||||
if (r->rightChild->leftChild != nullptr)
|
||||
{
|
||||
if (r->rightChild->leftChild != nullptr) {
|
||||
r->rightChild = rotateRight(r->rightChild);
|
||||
}
|
||||
}
|
||||
else if (comp(keyFun(r->rightChild->data), key))
|
||||
{
|
||||
} else if (comp(keyFun(r->rightChild->data), key)) {
|
||||
r->rightChild->rightChild = _splay(r->rightChild->rightChild, key);
|
||||
|
||||
r = rotateLeft(r);
|
||||
@@ -534,10 +367,6 @@ private:
|
||||
return (r->rightChild == nullptr) ? r : rotateLeft(r);
|
||||
}
|
||||
}
|
||||
template<typename K>
|
||||
bool equal(const NodeData& a, K&& b) const
|
||||
{
|
||||
return !comp(keyFun(a), b) && !comp(b, keyFun(a));
|
||||
}
|
||||
template <typename K> bool equal(const NodeData& a, K&& b) const { return !comp(keyFun(a), b) && !comp(b, keyFun(a)); }
|
||||
};
|
||||
} // namespace Seele
|
||||
Reference in New Issue
Block a user