完成insert

This commit is contained in:
邹晓航
2014-11-26 11:29:24 +08:00
parent 0b304bbd3b
commit fc5d2733fa

View File

@@ -6,6 +6,8 @@
#include "ReverseIterator.h"
#include "UninitializedFunctions.h"
#include <type_traits>
namespace TinySTL{
template<class T>
class List;
@@ -92,9 +94,8 @@ namespace TinySTL{
head.p = newNode();//add a dummy node
tail.p = head.p;
}
/*List(const List& list){
}*/
List(const List& list) = delete;
List& operator = (const List& list) = delete;
~List(){
for (; head != tail;){
auto temp = head++;
@@ -124,6 +125,31 @@ namespace TinySTL{
iterator end(){ return tail; }
reverse_iterator rbegin(){ return reverse_iterator(tail); }
reverse_iterator rend(){ return reverse_iterator(head); }
iterator insert(iterator position, const value_type& val);
void insert(iterator position, size_type n, const value_type& val);
template <class InputIterator>
void insert(iterator position, InputIterator first, InputIterator last);
//iterator erase(iterator position);
//iterator erase(iterator first, iterator last);
//void swap(List& x);
//void clear();
//void splice(iterator position, list& x);
//void splice(iterator position, list& x, iterator i);
//void splice(iterator position, list& x, iterator first, iterator last);
//void remove(const value_type& val);
//template <class Predicate>
//void remove_if(Predicate pred);
//void unique();
//template <class BinaryPredicate>
//void unique(BinaryPredicate binary_pred);
//void merge(list& x);
//template <class Compare>
//void merge(list& x, Compare comp);
//void sort();
//template <class Compare>
//void sort(Compare comp);
//void reverse();
private:
nodePtr newNode(const T& val = T()){
nodePtr res = nodeAllocator::allocate();
@@ -138,6 +164,17 @@ namespace TinySTL{
p->next = nullptr;
nodeAllocator::deallocate(p);
}
void insert_aux(iterator position, size_type n, const T& val, std::true_type){
for (auto i = n; i != 0; --i){
position = insert(position, val);
}
}
template<class InputIterator>
void insert_aux(iterator position, InputIterator first, InputIterator last, std::false_type){
for (; first != last; ++first){
insert(position, *first);
}
}
};
template<class T>
void List<T>::push_front(const value_type& val){
@@ -168,6 +205,25 @@ namespace TinySTL{
deleteNode(tail.p);
tail.p = newTail;
}
template<class T>
typename List<T>::iterator List<T>::insert(iterator position, const value_type& val){
auto node = newNode(val);
auto prev = position.p->prev;
node->next = position.p;
node->prev = prev;
prev->next = node;
position.p->prev = node;
return iterator(node);
}
template<class T>
void List<T>::insert(iterator position, size_type n, const value_type& val){
insert_aux(position, n, val, typename std::is_integral<InputIterator>::type());
}
template<class T>
template <class InputIterator>
void List<T>::insert(iterator position, InputIterator first, InputIterator last){
insert_aux(position, first, last, typename std::is_integral<InputIterator>::type());
}
}
#endif