Finalized Queue

v1
Brett 2023-01-05 12:10:38 -05:00
parent 64776c291b
commit 51be6c7e8e
1 changed files with 44 additions and 43 deletions

View File

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