little formating improvement

This commit is contained in:
hugogogo
2022-06-02 19:41:34 +02:00
parent dea7818dfa
commit 6362a50ffa
2 changed files with 122 additions and 71 deletions

View File

@@ -15,6 +15,8 @@ public:
typedef std::allocator<int> allocator_type; typedef std::allocator<int> allocator_type;
typedef std::size_t size_type; typedef std::size_t size_type;
typedef int * iterator;
ftvector(); ftvector();
ftvector( ftvector const & src ); ftvector( ftvector const & src );
~ftvector(); ~ftvector();
@@ -24,74 +26,74 @@ public:
/************* /*************
* iterators : * iterators :
*************/ *************/
// begin // begin -------------------------------------
// iterator begin(); iterator begin();
// const_iterator begin() const; //const_iterator begin() const;
// end // end ---------------------------------------
// iterator end(); iterator end();
// const_iterator end() const; //const_iterator end() const;
// rbegin // rbegin ------------------------------------
// reverse_iterator rbegin(); //reverse_iterator rbegin();
// const_reverse_iterator rbegin() const; //const_reverse_iterator rbegin() const;
// rend // rend --------------------------------------
// reverse_iterator rend(); //reverse_iterator rend();
// const_reverse_iterator rend() const; //const_reverse_iterator rend() const;
/************ /************
* capacity : * capacity :
************/ ************/
// size // size --------------------------------------
size_type size() const; size_type size() const;
// max_size // max_size ----------------------------------
// size_type max_size() const; //size_type max_size() const;
// resize // resize ------------------------------------
// void resize(size_type n, value_type val = value_type()); //void resize(size_type n, value_type val = value_type());
// capacity // capacity ----------------------------------
// size_type capacity() const; //size_type capacity() const;
// empty // empty -------------------------------------
// bool empty() const; //bool empty() const;
//reserve // reserve -----------------------------------
void reserve(size_type n); void reserve(size_type n);
/****************** /******************
* element access : * element access :
******************/ ******************/
// operator[] // operator[] --------------------------------
// reference operator[](size_type n); //reference operator[](size_type n);
// const_reference operator[](size_type n) const; //const_reference operator[](size_type n) const;
// at // at ----------------------------------------
// reference at(size_type n); //reference at(size_type n);
// const_reference at(size_type n) const; //const_reference at(size_type n) const;
// front // front -------------------------------------
// reference front(); //reference front();
// const_reference front() const; //const_reference front() const;
// back // back --------------------------------------
// reference back(); //reference back();
// const_reference back() const; //const_reference back() const;
/************* /*************
* modifiers : * modifiers :
*************/ *************/
// assign // assign ------------------------------------
// template <class InputIterator> //template <class InputIterator>
// void assign(InputIterator first, InputIterator last); // void assign(InputIterator first, InputIterator last);
// void assign(size_type n, const value_type& val); //void assign(size_type n, const value_type& val);
// push_back // push_back ---------------------------------
void push_back(const value_type & val); void push_back(const value_type & val);
// pop_back // pop_back ----------------------------------
// void pop_back(); //void pop_back();
// insert // insert ------------------------------------
// iterator insert(iterator position, const value_type& val); //iterator insert(iterator position, const value_type& val);
// void insert(iterator position, size_type n, const value_type& val); //void insert(iterator position, size_type n, const value_type& val);
// template <class InputIterator> //template <class InputIterator>
// void insert(iterator position, InputIterator first, InputIterator last); // void insert(iterator position, InputIterator first, InputIterator last);
// erase // erase -------------------------------------
// iterator erase(iterator position); //iterator erase(iterator position);
// iterator erase(iterator first, iterator last); //iterator erase(iterator first, iterator last);
// swap // swap --------------------------------------
// void swap(vector& x); //void swap(vector& x);
// clear // clear -------------------------------------
// void clear(); //void clear();
private: private:
@@ -101,6 +103,8 @@ private:
value_type * _mem_ptr; value_type * _mem_ptr;
allocator_type _allocator; allocator_type _allocator;
void _destroy(iterator first, iterator last);
}; };
//std::ostream & operator<<(std::ostream & o, ftvector const & rhs); //std::ostream & operator<<(std::ostream & o, ftvector const & rhs);

View File

@@ -51,31 +51,35 @@ ftvector & ftvector::operator=( ftvector const & rhs ) {
// return (o); // return (o);
//} //}
/*********************************************
* ACCESSORS
*********************************************/
ftvector::size_type ftvector::size() const {return _size;}
/********************************************* /*********************************************
* PUBLIC MEMBER FUNCTIONS * PUBLIC MEMBER FUNCTIONS
*********************************************/ *********************************************/
void ftvector::push_back(const value_type & element) { /*************
if (_size >= _capacity) * iterators :
{ *************/
reserve(std::min(_size + 1, _allocator.max_size() / 2) * 2); // begin -------------------------------------
} ftvector::iterator ftvector::begin() {return _mem_ptr;}
_allocator.construct(&_mem_ptr[_size], element); // end ---------------------------------------
_size++; ftvector::iterator ftvector::end() {return &_mem_ptr[_size];}
// rbegin ------------------------------------
for (size_type i = 0; i < _size; i++) // rend --------------------------------------
std::cout << _mem_ptr[i] << "\n";
std::cout << "\n";
}
/************
* capacity :
************/
// size --------------------------------------
ftvector::size_type ftvector::size() const {return _size;}
// max_size ----------------------------------
// resize ------------------------------------
// capacity ----------------------------------
// empty -------------------------------------
// reserve -----------------------------------
void ftvector::reserve(size_type new_cap) { void ftvector::reserve(size_type new_cap) {
value_type * tmp_ptr; value_type * tmp_ptr;
iterator first = begin();
iterator last = end();
if (new_cap > _allocator.max_size()) if (new_cap > _allocator.max_size())
throw std::length_error("new_cap > max_size"); throw std::length_error("new_cap > max_size");
@@ -89,19 +93,62 @@ void ftvector::reserve(size_type new_cap) {
if (_mem_ptr) if (_mem_ptr)
{ {
// TMP // TMP replacing assign()
for (size_type i = 0; i < _size; i++) for (size_type i = 0; i < _size; i++)
tmp_ptr[i] = _mem_ptr[i]; tmp_ptr[i] = _mem_ptr[i];
// TMP END // TMP END
_destroy(first, last);
_allocator.deallocate(_mem_ptr, _capacity); _allocator.deallocate(_mem_ptr, _capacity);
} }
_mem_ptr = tmp_ptr; _mem_ptr = tmp_ptr;
} }
/******************
* element access :
******************/
// operator[] --------------------------------
// at ----------------------------------------
// front -------------------------------------
// back --------------------------------------
/*************
* modifiers :
*************/
// assign ------------------------------------
// push_back ---------------------------------
void ftvector::push_back(const value_type & element) {
if (_size >= _capacity)
reserve(std::min(_size + 1, _allocator.max_size() / 2) * 2);
_allocator.construct(&_mem_ptr[_size], element);
_size++;
// TMP
for (size_type i = 0; i < _size; i++)
std::cout << _mem_ptr[i] << "\n";
std::cout << "\n";
// TMP END
}
// pop_back ----------------------------------
// insert ------------------------------------
// erase -------------------------------------
// swap --------------------------------------
// clear -------------------------------------
/********************************************* /*********************************************
* PRIVATE MEMBER FUNCTIONS * PRIVATE MEMBER FUNCTIONS
*********************************************/ *********************************************/
void ftvector::_destroy(iterator first, iterator last) {
while (first != last)
{
_allocator.destroy(first);
first++;
}
}
/********************************************* /*********************************************
* NESTED CLASS * NESTED CLASS
*********************************************/ *********************************************/