106 lines
1.8 KiB
C++
106 lines
1.8 KiB
C++
#ifndef SINGLYLINKEDLIST_H_
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#define SINGLYLINKEDLIST_H_
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#include <stddef.h>
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#include <stdint.h>
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template<typename T>
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class LinkedElement {
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public:
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T *value;
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class Iterator {
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public:
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LinkedElement<T> *value;
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Iterator() :
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value(NULL) {
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}
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Iterator(LinkedElement<T> *element) :
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value(element) {
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}
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Iterator& operator++() {
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value = value->getNext();
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return *this;
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}
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Iterator operator++(int) {
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Iterator tmp(*this);
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operator++();
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return tmp;
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}
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bool operator==(Iterator other) {
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return value == other.value;
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}
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bool operator!=(Iterator other) {
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return !(*this == other);
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}
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T *operator->() {
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return value->value;
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}
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};
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LinkedElement(T* setElement, LinkedElement<T>* setNext = NULL) : value(setElement),
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next(setNext) {
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}
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virtual ~LinkedElement(){
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}
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virtual LinkedElement* getNext() const {
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return next;
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}
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virtual void setNext(LinkedElement* next) {
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this->next = next;
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}
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LinkedElement* begin() {
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return this;
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}
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LinkedElement* end() {
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return NULL;
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}
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private:
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LinkedElement *next;
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};
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template<typename T>
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class SinglyLinkedList {
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public:
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SinglyLinkedList() :
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start(NULL) {
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}
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SinglyLinkedList(typename LinkedElement<T>::Iterator start) :
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start(start.value) {
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}
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SinglyLinkedList(LinkedElement<T>* startElement) :
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start(startElement) {
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}
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typename LinkedElement<T>::Iterator begin() const {
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return LinkedElement<T>::Iterator::Iterator(start);
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}
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typename LinkedElement<T>::Iterator::Iterator end() const {
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return LinkedElement<T>::Iterator::Iterator();
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}
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uint32_t getSize() const {
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uint32_t size = 0;
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LinkedElement<T> *element = start;
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while (element != NULL) {
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size++;
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element = element->getNext();
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}
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return size;
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}
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void setStart(LinkedElement<T>* setStart) {
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start = setStart;
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}
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protected:
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LinkedElement<T> *start;
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};
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#endif /* SINGLYLINKEDLIST_H_ */
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