Finalized Queue
parent
64776c291b
commit
51be6c7e8e
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@ -16,7 +16,8 @@ namespace BLT {
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struct node {
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T t;
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node* next;
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node(const T& t, node* next){
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node(const T& t, node* next) {
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this->t = t;
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this->next = next;
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}
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@ -25,31 +26,31 @@ namespace BLT {
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template<typename T>
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class flat_queue {
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private:
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int size = 16;
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int insertIndex = 0;
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T* data = new T[size];
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int m_size = 16;
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int m_insertIndex = 0;
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T* m_data = new T[m_size];
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/**
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* Expands the internal array to the new size, copying over the data and shifting its minimal position to index 0
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* and deletes the old array from memory.
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* @param newSize new size of the internal array
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*/
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void expand(int newSize){
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void expand(int newSize) {
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auto tempData = new T[newSize];
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for (int i = 0; i < insertIndex; i++)
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tempData[i] = data[i];
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delete[] data;
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data = tempData;
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size = newSize;
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for (int i = 0; i < m_insertIndex; i++)
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tempData[i] = m_data[i];
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delete[] m_data;
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m_data = tempData;
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m_size = newSize;
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}
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public:
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void push(const T& t) {
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if (insertIndex >= size){
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expand(size * 2);
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if (m_insertIndex >= m_size) {
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expand(m_size * 2);
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}
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data[insertIndex++] = t;
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m_data[m_insertIndex++] = t;
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}
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/**
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@ -57,7 +58,7 @@ namespace BLT {
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* @return the element at the "front" of the queue.
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*/
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[[nodiscard]] const T& front() const {
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return data[insertIndex-1];
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return m_data[m_insertIndex - 1];
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}
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void pop() {
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@ -65,19 +66,19 @@ namespace BLT {
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// I didn't make it an exception here due to not wanting to import the class.
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if (isEmpty())
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return;
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insertIndex--;
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m_insertIndex--;
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}
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bool isEmpty(){
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return insertIndex <= 0;
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bool isEmpty() {
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return m_insertIndex <= 0;
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}
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int getInsertIndex(){
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return insertIndex;
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int size() {
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return m_insertIndex;
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}
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~flat_queue() {
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delete[](data);
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delete[](m_data);
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}
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};
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@ -85,31 +86,31 @@ namespace BLT {
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template<typename T>
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class node_queue {
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private:
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node<T>* head;
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node<T>* m_head;
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public:
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void push(const T& t) {
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if (head == nullptr)
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head = new node<T>(t, nullptr);
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if (m_head == nullptr)
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m_head = new node<T>(t, nullptr);
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else
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head = new node<T>(t, head);
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m_head = new node<T>(t, m_head);
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}
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[[nodiscard]] const T& front() const {
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return head->t;
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return m_head->t;
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}
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void pop() {
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auto nextNode = head->next;
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delete(head);
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head = nextNode;
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auto nextNode = m_head->next;
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delete (m_head);
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m_head = nextNode;
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}
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~node_queue() {
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auto next = head;
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while (next != nullptr){
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auto next = m_head;
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while (next != nullptr) {
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auto nextNode = next->next;
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delete(next);
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delete (next);
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next = nextNode;
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}
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}
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