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Move datastruct template implementations to header files

This commit is contained in:
Shaun Reed 2020-08-01 22:57:12 -04:00
parent e4e1fd09d6
commit b9843a5d99
16 changed files with 1167 additions and 1243 deletions
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2
cpp/datastructs/templates/doublelist/CMakeLists.txt
View File

@ -13,6 +13,6 @@ CMAKE_MINIMUM_REQUIRED(VERSION 3.2)
# Define the project name # Define the project name
project(DoubleList) project(DoubleList)
# Define source files # Define source files
set(SRC driver.cpp doublelist.cpp) set(SRC driver.cpp)
# Build an executable # Build an executable
add_executable(DoubleListDriver ${SRC}) add_executable(DoubleListDriver ${SRC})

11
cpp/datastructs/templates/doublelist/Makefile
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@ -5,15 +5,8 @@ CXXFLAGS=-g -Wall
# Driver # Driver
############################################################################### ###############################################################################
driver: driver.cpp doublelist.o driver: driver.cpp
${CXX} ${CXXFLAGS} driver.cpp doublelist.o -o driver ${CXX} ${CXXFLAGS} driver.cpp -o driver
###############################################################################
# DoubleList
###############################################################################
doublelist.o: doublelist.cpp doublelist.h
${CXX} ${CXXFLAGS} -c doublelist.cpp -o doublelist.o
############################################################################### ###############################################################################
# Clean # Clean

360
cpp/datastructs/templates/doublelist/doublelist.cpp
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@ -1,360 +0,0 @@
/*#############################################################################
## Author: Shaun Reed ##
## Legal: All Content (c) 2020 Shaun Reed, all rights reserved ##
## About: An example of a doubly linked list ##
## ##
## Contact: shaunrd0@gmail.com | URL: www.shaunreed.com | GitHub: shaunrd0 ##
##############################################################################
## doublelist.cpp
*/
#include "doublelist.h"
/******************************************************************************
* Constructors, Destructors, Operators
*****************************************************************************/
/** copy constructor
* @brief Construct a new DoubleList::DoubleList object from an existing one
*
* @param rhs DoubleList object
*/
template <typename T>
DoubleList<T>::DoubleList(const DoubleList& rhs)
{
Node *cp = rhs.head;
Node *tempHead;
if (cp == NULL) head = NULL;
else {
head = new Node(cp->data);
tempHead = head;
while (cp->next != NULL) {
cp = cp->next;
head->next = new Node(cp->data);
head = head->next;
}
head = tempHead;
}
}
/** operator=
* @brief Assign two DoubleList objects equal using copy constr and class destr
* Pass the rhs by value to create local copy, swap its contents
* Destructor called on previous DoubleList data at the end of this scope
*
* @param rhs DoubleList object passed by value
* @return DoubleList A deep copy of the rhs DoubleList object
*/
template <typename T>
DoubleList<T> DoubleList<T>::operator=(DoubleList<T> rhs)
{
if (this == &rhs) return *this;
std::swap(head, rhs.head);
return *this;
}
/** destructor
* @brief Destroy the DoubleList::DoubleList object
*/
template <typename T>
DoubleList<T>::~DoubleList()
{
makeEmpty();
}
/******************************************************************************
* Public Member Functions
*****************************************************************************/
/** insert
* @brief Inserts a value to the head of our linked list
*
* @param val The value to be inserted
*/
template <typename T>
bool DoubleList<T>::insert(T val)
{
bool inserted = insert(val, head);
if (inserted)
std::cout << "[" << val << "] was inserted into the list\n";
else std::cout << "[" << val << "] could not be inserted into the list\n";
return inserted;
}
/** insert at
* @brief Inserts a value in the place of a given key
* Key Node found is moved to the newNode->next position
*
* @param key The value to search for to determine insert location
* @param val The value to be inserted into the list
*/
template <typename T>
bool DoubleList<T>::insert(T val, T key)
{
bool inserted = insert(val, key, head);
if (inserted)
std::cout << "[" << val << "] was inserted into the list\n";
else std::cout << "[" << val << "] could not be inserted into the list\n";
return inserted;
}
/** remove
* @brief Removes a value in the list by calling a private member and handling output
*
* @param val Value to be removed from the list
* @return true If the value was removed from the list
* @return false If the value was not removed from the list
*/
template <typename T>
bool DoubleList<T>::remove(T val)
{
bool removed = remove(val, head);
if (removed)
std::cout << "[" << val << "] was removed from the list\n";
else std::cout << "[" << val << "] could not be removed from the list\n";
return removed;
}
/** replace
* @brief Replaces a value in the list by calling a private member and handling output
*
* @param val Value to insert into the list
* @param key Value to be replaced within the list
* @return true If the key has been replaced in the list by val
* @return false If the key has not been replaced in the list by val
*/
template <typename T>
bool DoubleList<T>::replace(T val, T key)
{
bool replaced = replace(val, key, head);
if (replaced)
std::cout << "[" << key << "] was replaced by [" << val << "] in the list\n";
else std::cout << "[" << key << "] could not be replaced by [" << val << "] in the list\n";
return replaced;
}
/** makeEmpty
* @brief Empty this DoubleList object, deleting all associated Nodes
*/
template <typename T>
void DoubleList<T>::makeEmpty()
{
Node *nextNode, *temp;
if (head == NULL) return;
nextNode = head->next;
delete head;
head = NULL;
while(nextNode != NULL) {
temp = nextNode;
nextNode = nextNode->next;
delete temp;
temp = NULL;
}
}
/** isEmpty
* @brief Determine if the DoubleList is empty
*
* @return true If the DoubleList::head is NULL
* @return false If the DoubleList::head contains data
*/
template <typename T>
bool DoubleList<T>::isEmpty() const
{
return head == NULL;
}
/** peek
* @brief returns the value at the DoubleList::head
*
* @return T The value held at the Node pointed to by DoubleList::head
*/
template <typename T>
T DoubleList<T>::peek() const
{
if (!isEmpty())
std::cout << "[" << head->data << "] is at the top of our list\n";
else std::cout << "Nothing to peek, our list is empty...\n";
// If the list has data we return it, otherwise we return the smallest possible int (error)
return (!isEmpty()) ? head->data : T();
}
/** print
* @brief Output the data held by the DoubleList object
* Calls to the private print()
*/
template <typename T>
void DoubleList<T>::print() const
{
if(!isEmpty()) print(head);
else std::cout << "Nothing to print, our list is empty...\n";
}
/** find
* @brief Calls to the private member find() and handles return cases
*
* @param val The value to search for within our DoubleList
* @return true If the value was found in this DoubleList
* @return false If the value was not found in this DoubleList
*/
template <typename T>
bool DoubleList<T>::find(T val) const
{
Node *result = find(val, head);
if( result == NULL) {
std::cout << "[" << val << "] Was not found in our list\n";
return false;
}
std::cout << "[" << result->data << "] Was found in our list\n";
return true;
}
/******************************************************************************
* Private Member Functions
*****************************************************************************/
/** insert
* @brief Private member to handle inserting value into the list
*
* @param val Value to be inserted
* @param head The head of the list to insert the value into
* @return true If the value was inserted
* @return false If the value could not be inserted
*/
template <typename T>
bool DoubleList<T>::insert(T val, Node *&head)
{
Node *newNode = new Node(val);
// If the list is not empty, update next pointer to head node
if (!isEmpty()) {
newNode->next = head;
// Create a prev ptr for the head node
head->prev = newNode;
}
// Always set head to our newNode
head = newNode;
return true;
}
/** insert at
* @brief Private member to handle inserting a value at a key within our list
*
* @param val Value to be inserted
* @param key Key value to search for within the list
* @param head Head node of the list to insert to
* @return true If the value was inserted
* @return false If the value was not inserted
*/
template <typename T>
bool DoubleList<T>::insert(T val, T key, Node *&head)
{
Node *newNode = new Node(val);
if (isEmpty()) return false;
// Let insert() handle inserting at the head
else if (head->data == key) return insert(val, head);
Node *keyNode = find(key, head);
// If there was no keyNode found, the key does is not in our list
// Don't insert anything, return false and let caller decide whats next
if (keyNode == NULL) return false;
// Insert the newNode infront of the previous to the keyNode
newNode->prev = keyNode->prev;
keyNode->prev->next = newNode;
// Change the keyNode->prev ptr to newNode
newNode->next = keyNode;
keyNode->prev = newNode;
return true;
}
/** remove
* @brief Private member to remove values from the list
*
* @param val Value to be removed
* @param head Head of the list to remove the value from
* @return true If the value has been removed from the list
* @return false If the value has not been removed from the list
*/
template <typename T>
bool DoubleList<T>::remove(T val, Node *&head)
{
if (head == NULL) return false;
else if (head->data == val) {
head = head->next;
return true;
}
Node *keyNode = find(val, head);
if (keyNode == NULL) return false;
Node *gtfo = keyNode;
if (keyNode->next != NULL) keyNode->next->prev = keyNode->prev;
if (keyNode->prev != NULL) keyNode->prev->next = keyNode->next;
delete gtfo;
gtfo = NULL;
return true;
}
/** replace
* @brief Private member to replace values within the list
*
* @param val Value to insert into the list
* @param key Value to be replaced within the list
* @param head Head of the list to replace the value
* @return true If the key has been replaced by val within the list
* @return false If the key has not been replaced by val within the list
*/
template <typename T>
bool DoubleList<T>::replace(T val, T key, Node *&head)
{
Node *replacee = find(key, head);
if (replacee == NULL) return false;
replacee->data = val;
return true;
}
/** find
* @brief Find and return a Node which contains the given value
*
* @param val The value to search for within our DoubleList
* @param start The Node to begin the search from
* @return DoubleList::Node* A pointer to the Node containing the search value
*/
template <typename T>
typename DoubleList<T>::Node* DoubleList<T>::find(T val, Node *start) const
{
// If given a NULL list, return NULL
// If given a head which contains the requested value, return the foundNode
if (start == NULL || start->data == val) return start;
Node *foundNode = start;
while (foundNode->next != NULL) {
foundNode = foundNode->next;
if (foundNode->data == val) return foundNode;
}
// If we have not yet returned a foundNode, the key is not in our list
return NULL;
}
/** print
* @brief Output the contents of a DoubleList from the given Node to NULL
*
* @param start The Node to begin traversing output from
*/
template <typename T>
void DoubleList<T>::print(Node *start) const
{
Node *temp = start;
std::cout << "List Contents: ";
while (temp != NULL) {
std::cout << temp->data << " | ";
temp = temp->next;
}
std::cout << std::endl;
}
template class DoubleList<TYPE>;

349
cpp/datastructs/templates/doublelist/doublelist.h
View File

@ -49,4 +49,353 @@ class DoubleList {
void print(Node *start) const; void print(Node *start) const;
}; };
/******************************************************************************
* Constructors, Destructors, Operators
*****************************************************************************/
/** copy constructor
* @brief Construct a new DoubleList::DoubleList object from an existing one
*
* @param rhs DoubleList object
*/
template <typename T>
DoubleList<T>::DoubleList(const DoubleList& rhs)
{
Node *cp = rhs.head;
Node *tempHead;
if (cp == NULL) head = NULL;
else {
head = new Node(cp->data);
tempHead = head;
while (cp->next != NULL) {
cp = cp->next;
head->next = new Node(cp->data);
head = head->next;
}
head = tempHead;
}
}
/** operator=
* @brief Assign two DoubleList objects equal using copy constr and class destr
* Pass the rhs by value to create local copy, swap its contents
* Destructor called on previous DoubleList data at the end of this scope
*
* @param rhs DoubleList object passed by value
* @return DoubleList A deep copy of the rhs DoubleList object
*/
template <typename T>
DoubleList<T> DoubleList<T>::operator=(DoubleList<T> rhs)
{
if (this == &rhs) return *this;
std::swap(head, rhs.head);
return *this;
}
/** destructor
* @brief Destroy the DoubleList::DoubleList object
*/
template <typename T>
DoubleList<T>::~DoubleList()
{
makeEmpty();
}
/******************************************************************************
* Public Member Functions
*****************************************************************************/
/** insert
* @brief Inserts a value to the head of our linked list
*
* @param val The value to be inserted
*/
template <typename T>
bool DoubleList<T>::insert(T val)
{
bool inserted = insert(val, head);
if (inserted)
std::cout << "[" << val << "] was inserted into the list\n";
else std::cout << "[" << val << "] could not be inserted into the list\n";
return inserted;
}
/** insert at
* @brief Inserts a value in the place of a given key
* Key Node found is moved to the newNode->next position
*
* @param key The value to search for to determine insert location
* @param val The value to be inserted into the list
*/
template <typename T>
bool DoubleList<T>::insert(T val, T key)
{
bool inserted = insert(val, key, head);
if (inserted)
std::cout << "[" << val << "] was inserted into the list\n";
else std::cout << "[" << val << "] could not be inserted into the list\n";
return inserted;
}
/** remove
* @brief Removes a value in the list by calling a private member and handling output
*
* @param val Value to be removed from the list
* @return true If the value was removed from the list
* @return false If the value was not removed from the list
*/
template <typename T>
bool DoubleList<T>::remove(T val)
{
bool removed = remove(val, head);
if (removed)
std::cout << "[" << val << "] was removed from the list\n";
else std::cout << "[" << val << "] could not be removed from the list\n";
return removed;
}
/** replace
* @brief Replaces a value in the list by calling a private member and handling output
*
* @param val Value to insert into the list
* @param key Value to be replaced within the list
* @return true If the key has been replaced in the list by val
* @return false If the key has not been replaced in the list by val
*/
template <typename T>
bool DoubleList<T>::replace(T val, T key)
{
bool replaced = replace(val, key, head);
if (replaced)
std::cout << "[" << key << "] was replaced by [" << val << "] in the list\n";
else std::cout << "[" << key << "] could not be replaced by [" << val << "] in the list\n";
return replaced;
}
/** makeEmpty
* @brief Empty this DoubleList object, deleting all associated Nodes
*/
template <typename T>
void DoubleList<T>::makeEmpty()
{
Node *nextNode, *temp;
if (head == NULL) return;
nextNode = head->next;
delete head;
head = NULL;
while(nextNode != NULL) {
temp = nextNode;
nextNode = nextNode->next;
delete temp;
temp = NULL;
}
}
/** isEmpty
* @brief Determine if the DoubleList is empty
*
* @return true If the DoubleList::head is NULL
* @return false If the DoubleList::head contains data
*/
template <typename T>
bool DoubleList<T>::isEmpty() const
{
return head == NULL;
}
/** peek
* @brief returns the value at the DoubleList::head
*
* @return T The value held at the Node pointed to by DoubleList::head
*/
template <typename T>
T DoubleList<T>::peek() const
{
if (!isEmpty())
std::cout << "[" << head->data << "] is at the top of our list\n";
else std::cout << "Nothing to peek, our list is empty...\n";
// If the list has data we return it, otherwise we return the smallest possible int (error)
return (!isEmpty()) ? head->data : T();
}
/** print
* @brief Output the data held by the DoubleList object
* Calls to the private print()
*/
template <typename T>
void DoubleList<T>::print() const
{
if(!isEmpty()) print(head);
else std::cout << "Nothing to print, our list is empty...\n";
}
/** find
* @brief Calls to the private member find() and handles return cases
*
* @param val The value to search for within our DoubleList
* @return true If the value was found in this DoubleList
* @return false If the value was not found in this DoubleList
*/
template <typename T>
bool DoubleList<T>::find(T val) const
{
Node *result = find(val, head);
if( result == NULL) {
std::cout << "[" << val << "] Was not found in our list\n";
return false;
}
std::cout << "[" << result->data << "] Was found in our list\n";
return true;
}
/******************************************************************************
* Private Member Functions
*****************************************************************************/
/** insert
* @brief Private member to handle inserting value into the list
*
* @param val Value to be inserted
* @param head The head of the list to insert the value into
* @return true If the value was inserted
* @return false If the value could not be inserted
*/
template <typename T>
bool DoubleList<T>::insert(T val, Node *&head)
{
Node *newNode = new Node(val);
// If the list is not empty, update next pointer to head node
if (!isEmpty()) {
newNode->next = head;
// Create a prev ptr for the head node
head->prev = newNode;
}
// Always set head to our newNode
head = newNode;
return true;
}
/** insert at
* @brief Private member to handle inserting a value at a key within our list
*
* @param val Value to be inserted
* @param key Key value to search for within the list
* @param head Head node of the list to insert to
* @return true If the value was inserted
* @return false If the value was not inserted
*/
template <typename T>
bool DoubleList<T>::insert(T val, T key, Node *&head)
{
Node *newNode = new Node(val);
if (isEmpty()) return false;
// Let insert() handle inserting at the head
else if (head->data == key) return insert(val, head);
Node *keyNode = find(key, head);
// If there was no keyNode found, the key does is not in our list
// Don't insert anything, return false and let caller decide whats next
if (keyNode == NULL) return false;
// Insert the newNode infront of the previous to the keyNode
newNode->prev = keyNode->prev;
keyNode->prev->next = newNode;
// Change the keyNode->prev ptr to newNode
newNode->next = keyNode;
keyNode->prev = newNode;
return true;
}
/** remove
* @brief Private member to remove values from the list
*
* @param val Value to be removed
* @param head Head of the list to remove the value from
* @return true If the value has been removed from the list
* @return false If the value has not been removed from the list
*/
template <typename T>
bool DoubleList<T>::remove(T val, Node *&head)
{
if (head == NULL) return false;
else if (head->data == val) {
head = head->next;
return true;
}
Node *keyNode = find(val, head);
if (keyNode == NULL) return false;
Node *gtfo = keyNode;
if (keyNode->next != NULL) keyNode->next->prev = keyNode->prev;
if (keyNode->prev != NULL) keyNode->prev->next = keyNode->next;
delete gtfo;
gtfo = NULL;
return true;
}
/** replace
* @brief Private member to replace values within the list
*
* @param val Value to insert into the list
* @param key Value to be replaced within the list
* @param head Head of the list to replace the value
* @return true If the key has been replaced by val within the list
* @return false If the key has not been replaced by val within the list
*/
template <typename T>
bool DoubleList<T>::replace(T val, T key, Node *&head)
{
Node *replacee = find(key, head);
if (replacee == NULL) return false;
replacee->data = val;
return true;
}
/** find
* @brief Find and return a Node which contains the given value
*
* @param val The value to search for within our DoubleList
* @param start The Node to begin the search from
* @return DoubleList::Node* A pointer to the Node containing the search value
*/
template <typename T>
typename DoubleList<T>::Node* DoubleList<T>::find(T val, Node *start) const
{
// If given a NULL list, return NULL
// If given a head which contains the requested value, return the foundNode
if (start == NULL || start->data == val) return start;
Node *foundNode = start;
while (foundNode->next != NULL) {
foundNode = foundNode->next;
if (foundNode->data == val) return foundNode;
}
// If we have not yet returned a foundNode, the key is not in our list
return NULL;
}
/** print
* @brief Output the contents of a DoubleList from the given Node to NULL
*
* @param start The Node to begin traversing output from
*/
template <typename T>
void DoubleList<T>::print(Node *start) const
{
Node *temp = start;
std::cout << "List Contents: ";
while (temp != NULL) {
std::cout << temp->data << " | ";
temp = temp->next;
}
std::cout << std::endl;
}
#endif #endif

2
cpp/datastructs/templates/queuelist/CMakeLists.txt
View File

@ -13,6 +13,6 @@ cmake_minimum_required(VERSION 3.2)
# Define the project name # Define the project name
project(Queue) project(Queue)
# Define source files # Define source files
set(SRC driver.cpp queuelist.cpp) set(SRC driver.cpp)
# Build an executable # Build an executable
add_executable(QueueDriver ${SRC}) add_executable(QueueDriver ${SRC})

11
cpp/datastructs/templates/queuelist/Makefile
View File

@ -5,15 +5,8 @@ CXXFLAGS=-g -Wall
# Driver # Driver
############################################################################### ###############################################################################
driver: driver.cpp queuelist.o driver: driver.cpp
${CXX} ${CXXFLAGS} driver.cpp queuelist.o -o driver ${CXX} ${CXXFLAGS} driver.cpp -o driver
###############################################################################
# QueueList
###############################################################################
queuelist.o: queuelist.cpp queuelist.h
${CXX} ${CXXFLAGS} -c queuelist.cpp -o queuelist.o
############################################################################### ###############################################################################
# Clean # Clean

272
cpp/datastructs/templates/queuelist/queuelist.cpp
View File

@ -1,272 +0,0 @@
/*#############################################################################
## Author: Shaun Reed ##
## Legal: All Content (c) 2020 Shaun Reed, all rights reserved ##
## About: An example of a queue implementation using linked lists ##
## ##
## Contact: shaunrd0@gmail.com | URL: www.shaunreed.com | GitHub: shaunrd0 ##
##############################################################################
## queuelist.cpp
*/
#include "queuelist.h"
/******************************************************************************
* Constructors, Destructors, Operators
*****************************************************************************/
/** copy constructor
* @brief Construct a new QueueList::QueueList object from an existing one
* Creates a new deep copy of a given QueueList
*
* @param rhs QueueList object
*/
template<typename T>
QueueList<T>::QueueList(const QueueList<T>& rhs)
{
Node *cp = rhs.head;
Node *tempHead;
// If we are copying from an empty queue, create a new QueueList with a NULL head
if (cp == NULL) head = NULL;
else {
// If the queue has data, initialize a new queue with the head data
head = new Node(cp->data);
// Keep a temporary head node so we can return to it later
tempHead = head;
while (cp->next != NULL) {
// Until we hit an end, create new nodes with the next node data
cp = cp->next;
head->next = new Node(cp->data);
head = head->next;
}
tail = head;
head = tempHead;
}
}
/** operator=
* @brief Assign two QueueList objects equal using copy constr and class destr
* Pass the rhs by value to create local copy, swap its contents
* Destructor called on previous QueueList data at the end of this scope
*
* @param rhs QueueList object passed by value
* @return QueueList A deep copy of the rhs QueueList object
*/
template<typename T>
QueueList<T> QueueList<T>::operator=(QueueList<T> rhs)
{
if (this == &rhs) return *this;
// Swap the pointers, moving the previous head data to the local variable rhs
std::swap(head, rhs.head);
return *this;
}
/** destructor
* @brief Destroy the QueueList::QueueList object
*/
template<typename T>
QueueList<T>::~QueueList()
{
makeEmpty(head);
}
/******************************************************************************
* Public Member Functions
*****************************************************************************/
/** enqueue
* @brief Queue a value to the tail of our linked list
*
* @param val The value to be inserted into the queue
* @return true If the value was inserted in the queue
* @return false If the value could not be queued
*/
template<typename T>
bool QueueList<T>::enqueue(T val)
{
bool inserted = enqueue(val, tail);
if (inserted)
std::cout << "[" << val << "] was inserted into the queue\n";
else std::cout << "[" << val << "] could not be inserted into the queue\n";
return inserted;
}
/** dequeue
* @brief returns the value at the QueueList::head and moves head to the next in queue
*
* @return T The value held at the Node pointed to by QueueList::head
*/
template<typename T>
T QueueList<T>::dequeue()
{
if (!isEmpty())
std::cout << "[" << dequeue(head) << "] has been removed from our queue\n";
else std::cout << "Nothing to dequeue, our queue is empty...\n";
// If the queue has data we return it, otherwise we return the smallest possible int (error)
return (!isEmpty()) ? head->data : T();
}
/** next
* @brief returns the value at the QueueList::head
*
* @return T The value held at the Node pointed to by QueueList::head
*/
template<typename T>
T QueueList<T>::next() const
{
if (!isEmpty())
std::cout << "[" << head->data << "] is next in queue\n";
else std::cout << "Our queue is empty...\n";
// If the queue has data we return it, otherwise we return the smallest possible int (error)
return (!isEmpty()) ? head->data : T();
}
/** isEmpty
* @brief Determine if the QueueList is empty
*
* @return true If the QueueList::head is NULL
* @return false If the QueueList::head contains data
*/
template<typename T>
bool QueueList<T>::isEmpty() const
{
return head == NULL;
}
/** print
* @brief Output the data held by the QueueList object
* Calls to the private print()
*/
template<typename T>
void QueueList<T>::print() const
{
if(!isEmpty()) print(head);
else std::cout << "Nothing to print, our queue is empty...\n";
}
/** makeEmpty
* @brief Empty this QueueList object, deleting all associated Nodes
*/
template<typename T>
void QueueList<T>::makeEmpty()
{
Node *nextNode, *temp;
if (head == NULL) std::cout << "Our queue is empty...\n";
else {
nextNode = head->next;
delete head;
head = NULL;
tail = NULL;
while(nextNode != NULL) {
temp = nextNode;
nextNode = nextNode->next;
delete temp;
temp = NULL;
}
}
}
/******************************************************************************
* Private Member Functions
*****************************************************************************/
/** queue
* @brief Private member to handle inserting value into the back of the queue
*
* @param val Value to be inserted
* @param tail The tail of the queue to insert into
* @return true If the value was inserted
* @return false If the value could not be inserted
*/
template<typename T>
bool QueueList<T>::enqueue(T val, Node *&tail)
{
Node *newNode = new Node(val);
// If the queue is not empty, update next pointer to tail node
if (!isEmpty()) {
tail->next = newNode;
}
else head = newNode;
// Always set tail to our newNode
tail = newNode;
return true;
}
/** dequeue
* @brief Removes a node from the front of the queue
*
* @param head The head of the queue to remove a node from
* @return T The value held at the node removed
*/
template<typename T>
T QueueList<T>::dequeue(Node *&head)
{
// We already know the queue is not empty from public dequeue()
Node *temp = head;
// Store the data at the front of the queue before we delete the node
T data = head->data;
// If there is only one item in the queue
if (temp == tail) {
tail = head = NULL;
delete temp;
return data;
}
// Move the front of the queue to the next node
head = head->next;
// tail->next = NULL;
// Delete the previous head node
delete temp;
return data;
}
/** print
* @brief Output the contents of a QueueList from the given Node to NULL
*
* @param start The Node to begin traversing output from
*/
template<typename T>
void QueueList<T>::print(Node *start) const
{
Node *temp = start;
std::cout << "Queue Contents: ";
while (temp != NULL) {
std::cout << temp->data << " | ";
temp = temp->next;
}
std::cout << std::endl;
}
/** makeEmpty
* @brief Private member to empty this QueueList object, deletes all Nodes in the queue
* Does not print any output. Avoids destructors printing to cout
*
* @param head The head of the queue to be deleted
*
*/
template<typename T>
void QueueList<T>::makeEmpty(Node *&head)
{
Node *nextNode, *temp;
if (head == NULL) return;
else {
nextNode = head->next;
delete head;
head = NULL;
tail = NULL;
while(nextNode != NULL) {
temp = nextNode;
nextNode = nextNode->next;
delete temp;
temp = NULL;
}
}
}
template class QueueList<TYPE>;

261
cpp/datastructs/templates/queuelist/queuelist.h
View File

@ -45,4 +45,265 @@ class QueueList {
}; };
/******************************************************************************
* Constructors, Destructors, Operators
*****************************************************************************/
/** copy constructor
* @brief Construct a new QueueList::QueueList object from an existing one
* Creates a new deep copy of a given QueueList
*
* @param rhs QueueList object
*/
template<typename T>
QueueList<T>::QueueList(const QueueList<T>& rhs)
{
Node *cp = rhs.head;
Node *tempHead;
// If we are copying from an empty queue, create a new QueueList with a NULL head
if (cp == NULL) head = NULL;
else {
// If the queue has data, initialize a new queue with the head data
head = new Node(cp->data);
// Keep a temporary head node so we can return to it later
tempHead = head;
while (cp->next != NULL) {
// Until we hit an end, create new nodes with the next node data
cp = cp->next;
head->next = new Node(cp->data);
head = head->next;
}
tail = head;
head = tempHead;
}
}
/** operator=
* @brief Assign two QueueList objects equal using copy constr and class destr
* Pass the rhs by value to create local copy, swap its contents
* Destructor called on previous QueueList data at the end of this scope
*
* @param rhs QueueList object passed by value
* @return QueueList A deep copy of the rhs QueueList object
*/
template<typename T>
QueueList<T> QueueList<T>::operator=(QueueList<T> rhs)
{
if (this == &rhs) return *this;
// Swap the pointers, moving the previous head data to the local variable rhs
std::swap(head, rhs.head);
return *this;
}
/** destructor
* @brief Destroy the QueueList::QueueList object
*/
template<typename T>
QueueList<T>::~QueueList()
{
makeEmpty(head);
}
/******************************************************************************
* Public Member Functions
*****************************************************************************/
/** enqueue
* @brief Queue a value to the tail of our linked list
*
* @param val The value to be inserted into the queue
* @return true If the value was inserted in the queue
* @return false If the value could not be queued
*/
template<typename T>
bool QueueList<T>::enqueue(T val)
{
bool inserted = enqueue(val, tail);
if (inserted)
std::cout << "[" << val << "] was inserted into the queue\n";
else std::cout << "[" << val << "] could not be inserted into the queue\n";
return inserted;
}
/** dequeue
* @brief returns the value at the QueueList::head and moves head to the next in queue
*
* @return T The value held at the Node pointed to by QueueList::head
*/
template<typename T>
T QueueList<T>::dequeue()
{
if (!isEmpty())
std::cout << "[" << dequeue(head) << "] has been removed from our queue\n";
else std::cout << "Nothing to dequeue, our queue is empty...\n";
// If the queue has data we return it, otherwise we return the smallest possible int (error)
return (!isEmpty()) ? head->data : T();
}
/** next
* @brief returns the value at the QueueList::head
*
* @return T The value held at the Node pointed to by QueueList::head
*/
template<typename T>
T QueueList<T>::next() const
{
if (!isEmpty())
std::cout << "[" << head->data << "] is next in queue\n";
else std::cout << "Our queue is empty...\n";
// If the queue has data we return it, otherwise we return the smallest possible int (error)
return (!isEmpty()) ? head->data : T();
}
/** isEmpty
* @brief Determine if the QueueList is empty
*
* @return true If the QueueList::head is NULL
* @return false If the QueueList::head contains data
*/
template<typename T>
bool QueueList<T>::isEmpty() const
{
return head == NULL;
}
/** print
* @brief Output the data held by the QueueList object
* Calls to the private print()
*/
template<typename T>
void QueueList<T>::print() const
{
if(!isEmpty()) print(head);
else std::cout << "Nothing to print, our queue is empty...\n";
}
/** makeEmpty
* @brief Empty this QueueList object, deleting all associated Nodes
*/
template<typename T>
void QueueList<T>::makeEmpty()
{
Node *nextNode, *temp;
if (head == NULL) std::cout << "Our queue is empty...\n";
else {
nextNode = head->next;
delete head;
head = NULL;
tail = NULL;
while(nextNode != NULL) {
temp = nextNode;
nextNode = nextNode->next;
delete temp;
temp = NULL;
}
}
}
/******************************************************************************
* Private Member Functions
*****************************************************************************/
/** queue
* @brief Private member to handle inserting value into the back of the queue
*
* @param val Value to be inserted
* @param tail The tail of the queue to insert into
* @return true If the value was inserted
* @return false If the value could not be inserted
*/
template<typename T>
bool QueueList<T>::enqueue(T val, Node *&tail)
{
Node *newNode = new Node(val);
// If the queue is not empty, update next pointer to tail node
if (!isEmpty()) {
tail->next = newNode;
}
else head = newNode;
// Always set tail to our newNode
tail = newNode;
return true;
}
/** dequeue
* @brief Removes a node from the front of the queue
*
* @param head The head of the queue to remove a node from
* @return T The value held at the node removed
*/
template<typename T>
T QueueList<T>::dequeue(Node *&head)
{
// We already know the queue is not empty from public dequeue()
Node *temp = head;
// Store the data at the front of the queue before we delete the node
T data = head->data;
// If there is only one item in the queue
if (temp == tail) {
tail = head = NULL;
delete temp;
return data;
}
// Move the front of the queue to the next node
head = head->next;
// tail->next = NULL;
// Delete the previous head node
delete temp;
return data;
}
/** print
* @brief Output the contents of a QueueList from the given Node to NULL
*
* @param start The Node to begin traversing output from
*/
template<typename T>
void QueueList<T>::print(Node *start) const
{
Node *temp = start;
std::cout << "Queue Contents: ";
while (temp != NULL) {
std::cout << temp->data << " | ";
temp = temp->next;
}
std::cout << std::endl;
}
/** makeEmpty
* @brief Private member to empty this QueueList object, deletes all Nodes in the queue
* Does not print any output. Avoids destructors printing to cout
*
* @param head The head of the queue to be deleted
*
*/
template<typename T>
void QueueList<T>::makeEmpty(Node *&head)
{
Node *nextNode, *temp;
if (head == NULL) return;
else {
nextNode = head->next;
delete head;
head = NULL;
tail = NULL;
while(nextNode != NULL) {
temp = nextNode;
nextNode = nextNode->next;
delete temp;
temp = NULL;
}
}
}
#endif #endif

2
cpp/datastructs/templates/stacklist/CMakeLists.txt
View File

@ -13,6 +13,6 @@ cmake_minimum_required(VERSION 3.2)
# Define the project name # Define the project name
project(Stack) project(Stack)
# Define source files # Define source files
set(SRC driver.cpp stacklist.cpp) set(SRC driver.cpp)
# Build an executable # Build an executable
add_executable(StackDriver ${SRC}) add_executable(StackDriver ${SRC})

11
cpp/datastructs/templates/stacklist/Makefile
View File

@ -5,15 +5,8 @@ CXXFLAGS=-g -Wall
# Driver # Driver
############################################################################### ###############################################################################
driver: driver.cpp stacklist.o driver: driver.cpp
${CXX} ${CXXFLAGS} driver.cpp stacklist.o -o driver ${CXX} ${CXXFLAGS} driver.cpp -o driver
###############################################################################
# StackList
###############################################################################
stacklist.o: stacklist.cpp stacklist.h
${CXX} ${CXXFLAGS} -c stacklist.cpp -o stacklist.o
############################################################################### ###############################################################################
# Clean # Clean

252
cpp/datastructs/templates/stacklist/stacklist.cpp
View File

@ -1,252 +0,0 @@
/*#############################################################################
## Author: Shaun Reed ##
## Legal: All Content (c) 2020 Shaun Reed, all rights reserved ##
## About: An example of a stack implementation using linked lists ##
## ##
## Contact: shaunrd0@gmail.com | URL: www.shaunreed.com | GitHub: shaunrd0 ##
##############################################################################
## stacklist.cpp
*/
#include "stacklist.h"
/******************************************************************************
* Constructors, Destructors, Operators
*****************************************************************************/
/** copy constructor
* @brief Construct a new StackList::StackList object from an existing one
* Creates a new deep copy of a given StackList
*
* @param rhs StackList object
*/
template <typename T>
StackList<T>::StackList(const StackList<T>& rhs)
{
Node *cp = rhs.head;
Node *tempHead;
// If we are copying from an empty stack, create a new StackList with a NULL head
if (cp == NULL) head = NULL;
else {
// If the stack has data, initialize a new stack with the head data
head = new Node(cp->data);
// Keep a temporary head node so we can return to it later
tempHead = head;
while (cp->next != NULL) {
// Until we hit an end, create new nodes with the next node data
cp = cp->next;
head->next = new Node(cp->data);
head = head->next;
}
head = tempHead;
}
}
/** operator=
* @brief Assign two StackList objects equal using copy constr and class destr
* Pass the rhs by value to create local copy, swap its contents
* Destructor called on previous StackList data at the end of this scope
*
* @param rhs StackList object passed by value
* @return StackList A deep copy of the rhs StackList object
*/
template <typename T>
StackList<T> StackList<T>::operator=(StackList<T> rhs)
{
if (this == &rhs) return *this;
// Swap the pointers, moving the previous head data to the local variable rhs
std::swap(head, rhs.head);
return *this;
}
/** destructor
* @brief Destroy the StackList::StackList object
*/
template <typename T>
StackList<T>::~StackList()
{
makeEmpty(head);
}
/******************************************************************************
* Public Member Functions
*****************************************************************************/
/** push
* @brief Push a value to the head of our linked list
*
* @param val The value to be inserted
*/
template <typename T>
bool StackList<T>::push(T val)
{
bool inserted = push(val, head);
if (inserted)
std::cout << "[" << val << "] was inserted into the stack\n";
else std::cout << "[" << val << "] could not be inserted into the stack\n";
return inserted;
}
/** pop
* @brief returns the value at the StackList::head
*
* @return T The value held at the Node pointed to by StackList::head
*/
template <typename T>
T StackList<T>::pop()
{
if (!isEmpty())
std::cout << "[" << pop(head) << "] has been popped from our stack\n";
else std::cout << "Nothing to pop, our stack is empty...\n";
// If the stack has data we return it, otherwise we return the smallest possible int (error)
return (!isEmpty()) ? head->data : T();
}
/** top
* @brief returns the value at the StackList::head
*
* @return T The value held at the Node pointed to by StackList::head
*/
template <typename T>
T StackList<T>::top() const
{
if (!isEmpty())
std::cout << "[" << head->data << "] is at the top of our stack\n";
else std::cout << "Our stack is empty...\n";
// If the stack has data we return it, otherwise we return the smallest possible int (error)
return (!isEmpty()) ? head->data : T();
}
/** makeEmpty
* @brief Empty this StackList object, deleting all associated Nodes
*/
template <typename T>
void StackList<T>::makeEmpty()
{
Node *nextNode, *temp;
if (head == NULL) std::cout << "Our stack is empty...\n";
else {
nextNode = head->next;
delete head;
head = NULL;
while(nextNode != NULL) {
temp = nextNode;
nextNode = nextNode->next;
delete temp;
temp = NULL;
}
}
}
/** isEmpty
* @brief Determine if the StackList is empty
*
* @return true If the StackList::head is NULL
* @return false If the StackList::head contains data
*/
template <typename T>
bool StackList<T>::isEmpty() const
{
return head == NULL;
}
/** print
* @brief Output the data held by the StackList object
* Calls to the private print()
*/
template <typename T>
void StackList<T>::print() const
{
if(!isEmpty()) print(head);
else std::cout << "Nothing to print, our stack is empty...\n";
}
/******************************************************************************
* Private Member Functions
*****************************************************************************/
/** push
* @brief Private member to handle inserting value into the stack
*
* @param val Value to be inserted
* @param head The head of the stack to push the value into
* @return true If the value was inserted
* @return false If the value could not be inserted
*/
template <typename T>
bool StackList<T>::push(T val, Node *&head)
{
Node *newNode = new Node(val);
// If the stack is not empty, update next pointer to head node
if (!isEmpty()) newNode->next = head;
// Always set head to our newNode
head = newNode;
return true;
}
/** pop
* @brief Private member to handle removing the head node from the stack
*
* @param head The head node of the stack
* @return T The last known value held at the head node before removal
*/
template <typename T>
T StackList<T>::pop(Node *&head)
{
// We already know the stack is not empty from public pop()
Node *temp = head;
T data = temp->data;
head = head->next;
delete temp;
return data;
}
/** print
* @brief Output the contents of a StackList from the given Node to NULL
*
* @param start The Node to begin traversing output from
*/
template <typename T>
void StackList<T>::print(Node *start) const
{
Node *temp = start;
std::cout << "Stack Contents: ";
while (temp != NULL) {
std::cout << temp->data << " | ";
temp = temp->next;
}
std::cout << std::endl;
}
/** makeEmpty
* @brief Private member to empty this StackList object, deleting all associated Nodes
* Does not print any output. Avoids destructors printing to cout
*
* @param head The head of the stack to be deleted
*/
template <typename T>
void StackList<T>::makeEmpty(Node *&head)
{
Node *nextNode, *temp;
if (head == NULL) return;
else {
nextNode = head->next;
delete head;
head = NULL;
while(nextNode != NULL) {
temp = nextNode;
nextNode = nextNode->next;
delete temp;
temp = NULL;
}
}
}
template class StackList<TYPE>;

240
cpp/datastructs/templates/stacklist/stacklist.h
View File

@ -45,4 +45,244 @@ class StackList {
}; };
/******************************************************************************
* Constructors, Destructors, Operators
*****************************************************************************/
/** copy constructor
* @brief Construct a new StackList::StackList object from an existing one
* Creates a new deep copy of a given StackList
*
* @param rhs StackList object
*/
template <typename T>
StackList<T>::StackList(const StackList<T>& rhs)
{
Node *cp = rhs.head;
Node *tempHead;
// If we are copying from an empty stack, create a new StackList with a NULL head
if (cp == NULL) head = NULL;
else {
// If the stack has data, initialize a new stack with the head data
head = new Node(cp->data);
// Keep a temporary head node so we can return to it later
tempHead = head;
while (cp->next != NULL) {
// Until we hit an end, create new nodes with the next node data
cp = cp->next;
head->next = new Node(cp->data);
head = head->next;
}
head = tempHead;
}
}
/** operator=
* @brief Assign two StackList objects equal using copy constr and class destr
* Pass the rhs by value to create local copy, swap its contents
* Destructor called on previous StackList data at the end of this scope
*
* @param rhs StackList object passed by value
* @return StackList A deep copy of the rhs StackList object
*/
template <typename T>
StackList<T> StackList<T>::operator=(StackList<T> rhs)
{
if (this == &rhs) return *this;
// Swap the pointers, moving the previous head data to the local variable rhs
std::swap(head, rhs.head);
return *this;
}
/** destructor
* @brief Destroy the StackList::StackList object
*/
template <typename T>
StackList<T>::~StackList()
{
makeEmpty(head);
}
/******************************************************************************
* Public Member Functions
*****************************************************************************/
/** push
* @brief Push a value to the head of our linked list
*
* @param val The value to be inserted
*/
template <typename T>
bool StackList<T>::push(T val)
{
bool inserted = push(val, head);
if (inserted)
std::cout << "[" << val << "] was inserted into the stack\n";
else std::cout << "[" << val << "] could not be inserted into the stack\n";
return inserted;
}
/** pop
* @brief returns the value at the StackList::head
*
* @return T The value held at the Node pointed to by StackList::head
*/
template <typename T>
T StackList<T>::pop()
{
if (!isEmpty())
std::cout << "[" << pop(head) << "] has been popped from our stack\n";
else std::cout << "Nothing to pop, our stack is empty...\n";
// If the stack has data we return it, otherwise we return the smallest possible int (error)
return (!isEmpty()) ? head->data : T();
}
/** top
* @brief returns the value at the StackList::head
*
* @return T The value held at the Node pointed to by StackList::head
*/
template <typename T>
T StackList<T>::top() const
{
if (!isEmpty())
std::cout << "[" << head->data << "] is at the top of our stack\n";
else std::cout << "Our stack is empty...\n";
// If the stack has data we return it, otherwise we return the smallest possible int (error)
return (!isEmpty()) ? head->data : T();
}
/** makeEmpty
* @brief Empty this StackList object, deleting all associated Nodes
*/
template <typename T>
void StackList<T>::makeEmpty()
{
Node *nextNode, *temp;
if (head == NULL) std::cout << "Our stack is empty...\n";
else {
nextNode = head->next;
delete head;
head = NULL;
while(nextNode != NULL) {
temp = nextNode;
nextNode = nextNode->next;
delete temp;
temp = NULL;
}
}
}
/** isEmpty
* @brief Determine if the StackList is empty
*
* @return true If the StackList::head is NULL
* @return false If the StackList::head contains data
*/
template <typename T>
bool StackList<T>::isEmpty() const
{
return head == NULL;
}
/** print
* @brief Output the data held by the StackList object
* Calls to the private print()
*/
template <typename T>
void StackList<T>::print() const
{
if(!isEmpty()) print(head);
else std::cout << "Nothing to print, our stack is empty...\n";
}
/******************************************************************************
* Private Member Functions
*****************************************************************************/
/** push
* @brief Private member to handle inserting value into the stack
*
* @param val Value to be inserted
* @param head The head of the stack to push the value into
* @return true If the value was inserted
* @return false If the value could not be inserted
*/
template <typename T>
bool StackList<T>::push(T val, Node *&head)
{
Node *newNode = new Node(val);
// If the stack is not empty, update next pointer to head node
if (!isEmpty()) newNode->next = head;
// Always set head to our newNode
head = newNode;
return true;
}
/** pop
* @brief Private member to handle removing the head node from the stack
*
* @param head The head node of the stack
* @return T The last known value held at the head node before removal
*/
template <typename T>
T StackList<T>::pop(Node *&head)
{
// We already know the stack is not empty from public pop()
Node *temp = head;
T data = temp->data;
head = head->next;
delete temp;
return data;
}
/** print
* @brief Output the contents of a StackList from the given Node to NULL
*
* @param start The Node to begin traversing output from
*/
template <typename T>
void StackList<T>::print(Node *start) const
{
Node *temp = start;
std::cout << "Stack Contents: ";
while (temp != NULL) {
std::cout << temp->data << " | ";
temp = temp->next;
}
std::cout << std::endl;
}
/** makeEmpty
* @brief Private member to empty this StackList object, deleting all associated Nodes
* Does not print any output. Avoids destructors printing to cout
*
* @param head The head of the stack to be deleted
*/
template <typename T>
void StackList<T>::makeEmpty(Node *&head)
{
Node *nextNode, *temp;
if (head == NULL) return;
else {
nextNode = head->next;
delete head;
head = NULL;
while(nextNode != NULL) {
temp = nextNode;
nextNode = nextNode->next;
delete temp;
temp = NULL;
}
}
}
#endif #endif

2
cpp/datastructs/templates/vector/CMakeLists.txt
View File

@ -13,6 +13,6 @@ cmake_minimum_required(VERSION 3.2)
# Define the project name # Define the project name
project(VectorDriver) project(VectorDriver)
# Define source files # Define source files
set(SRC driver.cpp vector.cpp) set(SRC driver.cpp)
# Build an executable # Build an executable
add_executable(VectorDriver ${SRC}) add_executable(VectorDriver ${SRC})

11
cpp/datastructs/templates/vector/Makefile
View File

@ -5,15 +5,8 @@ CXXFLAGS=-g -Wall
# Driver # Driver
############################################################################### ###############################################################################
driver: driver.cpp vector.o driver: driver.cpp
${CXX} ${CXXFLAGS} driver.cpp vector.o -o driver ${CXX} ${CXXFLAGS} driver.cpp -o driver
###############################################################################
# Vector
###############################################################################
vector.o: vector.cpp vector.h
${CXX} ${CXXFLAGS} -c vector.cpp -o vector.o
############################################################################### ###############################################################################
# Clean # Clean

319
cpp/datastructs/templates/vector/vector.cpp
View File

@ -1,319 +0,0 @@
/*#############################################################################
## Author: Shaun Reed ##
## Legal: All Content (c) 2020 Shaun Reed, all rights reserved ##
## About: An example of a vector implementation using templates ##
## ##
## Contact: shaunrd0@gmail.com | URL: www.shaunreed.com | GitHub: shaunrd0 ##
##############################################################################
## vector.cpp
*/
#include "vector.h"
/******************************************************************************
* Constructors, Destructors, Operators
*****************************************************************************/
/** copy constructor
* @brief Construct a new Vector::Vector object from an existing one
* Creates a new deep copy of a given Vector
*
* @param rhs Vector<T> object
*/
template<typename T>
Vector<T>::Vector(const Vector<T>& rhs)
{
if (rhs.getIndex() >= 0) {
curIndex = rhs.getIndex();
// Avoid copying over unused indices from parent Vector
maxSize = rhs.getSize();
data = new T[curIndex+1];
for (int i = 0; i <= rhs.getIndex(); i++) {
data[i] = rhs.getValue(i);
}
}
else {
curIndex = -1;
maxSize = 0;
data = NULL;
}
}
/** operator=
* @brief Assign two Vector objects equal using copy constr and class destr
* Pass the rhs by value to create local copy, swap its contents
* Destructor called on previous Vector data at the end of this scope
*
* @param rhs Vector object passed by value, creating a local variable
* @return Vector<T> A deep copy of the rhs Vector object
*/
template<typename T>
Vector<T> Vector<T>::operator=(Vector<T> rhs)
{
if (this == &rhs) return *this;
// Swap the pointers, moving the previous head data to the local variable rhs
std::swap(data, rhs.data);
curIndex = rhs.getIndex();
// Use the current size of the vector we are equal to
// Avoids copying over unused indices
maxSize = rhs.getSize();
return *this;
}
/** destructor
* @brief Destroy the Vector::Vector object
*/
template<typename T>
Vector<T>::~Vector()
{
if (!isEmpty()) makeEmpty();
}
/******************************************************************************
* Public Member Functions
*****************************************************************************/
/** push
* @brief Push a value to the end of our Vector
*
* @param val The value to be inserted
*/
template<typename T>
bool Vector<T>::push(T val)
{
bool inserted = push(val, data);
if (inserted)
std::cout << "[" << val << "] was inserted into the vector\n";
else std::cout << "[" << val << "] could not be inserted into the vector\n";
return inserted;
}
/** pop
* @brief returns the value at the Vector::data[curIndex] if it exists
* Once returned, the curIndex is decremented via data[curIndex--]
* If the vector is empty, returns INT32_MIN
*
* @return T The value held at the Node pointed to by Vector::data[index]
*/
template<typename T>
T Vector<T>::pop()
{
T val;
if (!isEmpty()) {
val = pop(data);
std::cout << "[" << val << "] has been popped from our Vector\n";
}
else std::cout << "Nothing to pop, our Vector is empty...\n";
return val;
}
/** makeEmpty
* @brief Empty this Vector object, deleting all associated data
*/
template<typename T>
void Vector<T>::makeEmpty()
{
if (isEmpty()) {
std::cout << "Cannot makeEmpty, our Vector is already empty...\n";
return;
}
else makeEmpty(data);
}
/** peek
* @brief returns the value at the end of the vector
* If the vector is empty, returns INT32_MIN
*
* @return T The value held at the current data[index] of the vector
*/
template<typename T>
T Vector<T>::peek() const
{
T val;
if (!isEmpty()) {
val = peek(data);
std::cout << "[" << peek(data) << "] is at the end of our vector\n";
}
else std::cout << "Nothing to peek, our vector is empty...\n";
return val;
}
/** isEmpty
* @brief Determine if the Vector is empty
*
* @return true If the Vector::data is NULL
* @return false If the Vector::data contains any values
*/
template<typename T>
bool Vector<T>::isEmpty() const
{
return data == NULL;
}
/** isFull
* @brief Determine if the Vector is full
*
* @return true If the Vector::size is equal to the current index
* @return false If the Vector::size is greater than the current index
*/
template<typename T>
bool Vector<T>::isFull() const
{
return getSize() == getMax() || data == NULL;
}
/** print
* @brief Output the data held by the Vector object
* Calls to the private print()
*/
template<typename T>
void Vector<T>::print() const
{
if(!isEmpty()) print(data);
else std::cout << "Nothing to print, our vector is empty...\n";
}
/** getMax
* @brief Returns the literal maximum size of the vector
* Not offset to match any index - Vector with max size 3 has indices 0-2
*
* @return int at this->maxSize
*/
template<typename T>
int Vector<T>::getMax() const
{
return maxSize;
}
/** getSize
* @brief Returns the current size of the vector
* AKA the current number of indices being used, NOT the max indices
*
* @return int at this->curIndex + 1
*/
template<typename T>
int Vector<T>::getSize() const
{
return curIndex + 1;
}
/** getIndex
* @brief Returns the current index of the vector
* AKA the last index the vector wrote to
*
* @return int at this->curIndex
*/
template<typename T>
int Vector<T>::getIndex() const
{
return curIndex;
}
// TODO: use operator[](){...} instead
/** getValue
* @brief Get the value stored at a given index within the vector
*
* @param index The index containing the value to be returned
* @return T The value held at the index given
*/
template<typename T>
T Vector<T>::getValue(int index) const
{
return data[index];
}
/******************************************************************************
* Private Member Functions
*****************************************************************************/
/** push
* @brief Private member to handle inserting value into the vector
*
* @param val Value to be inserted
* @param data The data of the vector to push the value into
*
* @return true If the value was inserted
* @return false If the value could not be inserted
*/
template<typename T>
bool Vector<T>::push(T val, T *&data)
{
T *temp;
if (isFull()) {
if (maxSize <= 0) maxSize = 1;
else maxSize *= 2;
temp = new T[maxSize];
for (int i = 0; i <= curIndex; i++) {
temp[i] = data[i];
}
std::swap(data, temp);
}
curIndex += 1;
data[curIndex] = val;
return data[curIndex] == val;
}
/** pop
* @brief Returns the value held at the last index within the Vector
* Decrements the curIndex after storing the value to be returned
*
* @param data The Vector data to modify
* @return T The value stored at the index removed from the end of the Vector
*/
template<typename T>
T Vector<T>::pop(T *&data)
{
// We already know the vector is not empty from public pop()
T val = data[curIndex--];
if (curIndex < 0) makeEmpty(data);
return val;
}
/** makeEmpty
* @brief Private member to empty Vector object, deleting all associated data
*
* @param data The data of the Vector to be deleted
*/
template<typename T>
void Vector<T>::makeEmpty(T *&data)
{
delete[] data;
maxSize = 0;
curIndex = -1;
data = NULL;
}
/** peek
* @brief Private member to display the value at the end of our Vector
*
* @param data The Vector data to peek
* @return T The value stored at the end of the Vector
*/
template<typename T>
T Vector<T>::peek(T *data) const
{
// We already know the vector is not empty from public peek()
return data[curIndex];
}
/** print
* @brief Output the contents of a Vector from the beginning to the end
*
* @param data The data within the Vector to output
*/
template<typename T>
void Vector<T>::print(T *data) const
{
std::cout << "Vector Contents: ";
for (int i = 0; i <= curIndex; i++) {
std::cout << data[i] << " | ";
}
std::cout << std::endl;
}
// Instantiate relevant type templates for this class
template class Vector<TYPE>;

305
cpp/datastructs/templates/vector/vector.h
View File

@ -48,4 +48,309 @@ class Vector {
}; };
/******************************************************************************
* Constructors, Destructors, Operators
*****************************************************************************/
/** copy constructor
* @brief Construct a new Vector::Vector object from an existing one
* Creates a new deep copy of a given Vector
*
* @param rhs Vector<T> object
*/
template<typename T>
Vector<T>::Vector(const Vector<T>& rhs)
{
if (rhs.getIndex() >= 0) {
curIndex = rhs.getIndex();
// Avoid copying over unused indices from parent Vector
maxSize = rhs.getSize();
data = new T[curIndex+1];
for (int i = 0; i <= rhs.getIndex(); i++) {
data[i] = rhs.getValue(i);
}
}
else {
curIndex = -1;
maxSize = 0;
data = NULL;
}
}
/** operator=
* @brief Assign two Vector objects equal using copy constr and class destr
* Pass the rhs by value to create local copy, swap its contents
* Destructor called on previous Vector data at the end of this scope
*
* @param rhs Vector object passed by value, creating a local variable
* @return Vector<T> A deep copy of the rhs Vector object
*/
template<typename T>
Vector<T> Vector<T>::operator=(Vector<T> rhs)
{
if (this == &rhs) return *this;
// Swap the pointers, moving the previous head data to the local variable rhs
std::swap(data, rhs.data);
curIndex = rhs.getIndex();
// Use the current size of the vector we are equal to
// Avoids copying over unused indices
maxSize = rhs.getSize();
return *this;
}
/** destructor
* @brief Destroy the Vector::Vector object
*/
template<typename T>
Vector<T>::~Vector()
{
if (!isEmpty()) makeEmpty();
}
/******************************************************************************
* Public Member Functions
*****************************************************************************/
/** push
* @brief Push a value to the end of our Vector
*
* @param val The value to be inserted
*/
template<typename T>
bool Vector<T>::push(T val)
{
bool inserted = push(val, data);
if (inserted)
std::cout << "[" << val << "] was inserted into the vector\n";
else std::cout << "[" << val << "] could not be inserted into the vector\n";
return inserted;
}
/** pop
* @brief returns the value at the Vector::data[curIndex] if it exists
* Once returned, the curIndex is decremented via data[curIndex--]
* If the vector is empty, returns INT32_MIN
*
* @return T The value held at the Node pointed to by Vector::data[index]
*/
template<typename T>
T Vector<T>::pop()
{
T val;
if (!isEmpty()) {
val = pop(data);
std::cout << "[" << val << "] has been popped from our Vector\n";
}
else std::cout << "Nothing to pop, our Vector is empty...\n";
return val;
}
/** makeEmpty
* @brief Empty this Vector object, deleting all associated data
*/
template<typename T>
void Vector<T>::makeEmpty()
{
if (isEmpty()) {
std::cout << "Cannot makeEmpty, our Vector is already empty...\n";
return;
}
else makeEmpty(data);
}
/** peek
* @brief returns the value at the end of the vector
* If the vector is empty, returns INT32_MIN
*
* @return T The value held at the current data[index] of the vector
*/
template<typename T>
T Vector<T>::peek() const
{
T val;
if (!isEmpty()) {
val = peek(data);
std::cout << "[" << peek(data) << "] is at the end of our vector\n";
}
else std::cout << "Nothing to peek, our vector is empty...\n";
return val;
}
/** isEmpty
* @brief Determine if the Vector is empty
*
* @return true If the Vector::data is NULL
* @return false If the Vector::data contains any values
*/
template<typename T>
bool Vector<T>::isEmpty() const
{
return data == NULL;
}
/** isFull
* @brief Determine if the Vector is full
*
* @return true If the Vector::size is equal to the current index
* @return false If the Vector::size is greater than the current index
*/
template<typename T>
bool Vector<T>::isFull() const
{
return getSize() == getMax() || data == NULL;
}
/** print
* @brief Output the data held by the Vector object
* Calls to the private print()
*/
template<typename T>
void Vector<T>::print() const
{
if(!isEmpty()) print(data);
else std::cout << "Nothing to print, our vector is empty...\n";
}
/** getMax
* @brief Returns the literal maximum size of the vector
* Not offset to match any index - Vector with max size 3 has indices 0-2
*
* @return int at this->maxSize
*/
template<typename T>
int Vector<T>::getMax() const
{
return maxSize;
}
/** getSize
* @brief Returns the current size of the vector
* AKA the current number of indices being used, NOT the max indices
*
* @return int at this->curIndex + 1
*/
template<typename T>
int Vector<T>::getSize() const
{
return curIndex + 1;
}
/** getIndex
* @brief Returns the current index of the vector
* AKA the last index the vector wrote to
*
* @return int at this->curIndex
*/
template<typename T>
int Vector<T>::getIndex() const
{
return curIndex;
}
// TODO: use operator[](){...} instead
/** getValue
* @brief Get the value stored at a given index within the vector
*
* @param index The index containing the value to be returned
* @return T The value held at the index given
*/
template<typename T>
T Vector<T>::getValue(int index) const
{
return data[index];
}
/******************************************************************************
* Private Member Functions
*****************************************************************************/
/** push
* @brief Private member to handle inserting value into the vector
*
* @param val Value to be inserted
* @param data The data of the vector to push the value into
*
* @return true If the value was inserted
* @return false If the value could not be inserted
*/
template<typename T>
bool Vector<T>::push(T val, T *&data)
{
T *temp;
if (isFull()) {
if (maxSize <= 0) maxSize = 1;
else maxSize *= 2;
temp = new T[maxSize];
for (int i = 0; i <= curIndex; i++) {
temp[i] = data[i];
}
std::swap(data, temp);
}
curIndex += 1;
data[curIndex] = val;
return data[curIndex] == val;
}
/** pop
* @brief Returns the value held at the last index within the Vector
* Decrements the curIndex after storing the value to be returned
*
* @param data The Vector data to modify
* @return T The value stored at the index removed from the end of the Vector
*/
template<typename T>
T Vector<T>::pop(T *&data)
{
// We already know the vector is not empty from public pop()
T val = data[curIndex--];
if (curIndex < 0) makeEmpty(data);
return val;
}
/** makeEmpty
* @brief Private member to empty Vector object, deleting all associated data
*
* @param data The data of the Vector to be deleted
*/
template<typename T>
void Vector<T>::makeEmpty(T *&data)
{
delete[] data;
maxSize = 0;
curIndex = -1;
data = NULL;
}
/** peek
* @brief Private member to display the value at the end of our Vector
*
* @param data The Vector data to peek
* @return T The value stored at the end of the Vector
*/
template<typename T>
T Vector<T>::peek(T *data) const
{
// We already know the vector is not empty from public peek()
return data[curIndex];
}
/** print
* @brief Output the contents of a Vector from the beginning to the end
*
* @param data The data within the Vector to output
*/
template<typename T>
void Vector<T>::print(T *data) const
{
std::cout << "Vector Contents: ";
for (int i = 0; i <= curIndex; i++) {
std::cout << data[i] << " | ";
}
std::cout << std::endl;
}
#endif #endif