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42_INT_11_ft_containers/templates/vector.tpp
2022-06-03 17:10:53 +02:00

244 lines
5.6 KiB
C++

//#include "vector.hpp"
#define COPLIEN_COLOR B_CYAN
namespace ft {
/*********************************************
* CONSTRUCTORS
*********************************************/
// template <class InputIterator>
// vector (InputIterator first, InputIterator last, const allocator_type& alloc = allocator_type());
template <class T, class Allocator>
vector<T, Allocator>::
vector( const Allocator & alloc )
: _size(0)
, _capacity(0)
, _mem_ptr(NULL)
, _allocator(alloc)
{
// std::cout << COPLIEN_COLOR "vector constructor" RESET "\n";
return;
}
template <class T, class Allocator>
vector<T, Allocator>::
vector( size_type n, const T & val, const Allocator & alloc )
: _size(0)
, _capacity(0)
, _mem_ptr(NULL)
, _allocator(alloc)
{
// std::cout << COPLIEN_COLOR "vector constructor" RESET "\n";
assign(n, val);
return;
}
template <class T, class Allocator>
vector<T, Allocator>::
vector( vector const & src )
{
// std::cout << COPLIEN_COLOR "vector copy constructor" RESET "\n";
*this = src;
return;
}
/*********************************************
* DESTRUCTORS
*********************************************/
template <class T, class Allocator>
vector<T, Allocator>::
~vector()
{
// std::cout << COPLIEN_COLOR "vector destructor" RESET "\n";
return;
}
/*********************************************
* OPERATORS
*********************************************/
template <class T, class Allocator>
vector<T, Allocator> & vector<T, Allocator>::
operator=( vector const & rhs )
{
// Base::operator=(rhs);
if ( this != &rhs )
{
_size = rhs.size();
}
return *this;
}
//std::ostream & operator<<(std::ostream & o, vector const & rhs)
//{
// o << rhs.getFoo();
// return (o);
//}
/*********************************************
* PUBLIC MEMBER FUNCTIONS
*********************************************/
/*************
* iterators :
*************/
// begin -------------------------------------
template <class T, class Allocator>
typename vector<T, Allocator>::iterator vector<T, Allocator>::
begin()
{
return _mem_ptr;
}
// end ---------------------------------------
template <class T, class Allocator>
typename vector<T, Allocator>::iterator vector<T, Allocator>::
end()
{
return &_mem_ptr[_size];
}
// rbegin ------------------------------------
// rend --------------------------------------
/************
* capacity :
************/
// size --------------------------------------
template <class T, class Allocator>
typename vector<T, Allocator>::size_type vector<T, Allocator>::
size( ) const
{
return _size;
}
// max_size ----------------------------------
// resize ------------------------------------
// capacity ----------------------------------
template <class T, class Allocator>
typename vector<T, Allocator>::size_type vector<T, Allocator>::
capacity() const
{
return _capacity;
}
// empty -------------------------------------
// reserve -----------------------------------
template <class T, class Allocator>
void vector<T, Allocator>::
reserve( size_type new_cap )
{
value_type * tmp_ptr;
if (new_cap > _allocator.max_size())
throw std::length_error("reserve: new_cap > max_size");
if (_capacity == _allocator.max_size())
throw std::length_error("reserve: capacity == max_size");
if (new_cap <= _capacity)
return ;
_capacity = new_cap;
tmp_ptr = _allocator.allocate(new_cap);
if (_mem_ptr)
{
// TMP replacing assign(first, last)
for (size_type i = 0; i < _size; i++)
tmp_ptr[i] = _mem_ptr[i];
// TMP END
_destroy(begin(), end());
_allocator.deallocate(_mem_ptr, _capacity);
}
_mem_ptr = tmp_ptr;
}
/******************
* element access :
******************/
// operator[] --------------------------------
template <class T, class Allocator>
typename vector<T, Allocator>::reference vector<T, Allocator>::
operator[](size_type n)
{
return _mem_ptr[n];
}
// at ----------------------------------------
// front -------------------------------------
// back --------------------------------------
/*************
* modifiers :
*************/
// assign ------------------------------------
template <class T, class Allocator>
void vector<T, Allocator>::
assign( size_type n, const T & val )
{
if (n > _allocator.max_size())
throw std::length_error("assign: n > max_size");
value_type * tmp_ptr;
_destroy(begin(), end());
if (n > _capacity)
{
_capacity = n;
tmp_ptr = _allocator.allocate(n);
if (_mem_ptr)
_allocator.deallocate(_mem_ptr, _capacity);
_mem_ptr = tmp_ptr;
}
_size = n;
while (n)
_allocator.construct(&_mem_ptr[--n], val);
}
// push_back ---------------------------------
template <class T, class Allocator>
void vector<T, Allocator>::
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++;
}
// pop_back ----------------------------------
// insert ------------------------------------
// erase -------------------------------------
// swap --------------------------------------
// clear -------------------------------------
/*********************************************
* PRIVATE MEMBER FUNCTIONS
*********************************************/
template <class T, class Allocator>
void vector<T, Allocator>::
_destroy(iterator first, iterator last)
{
while (first != last)
{
_allocator.destroy(first);
first++;
}
}
/*********************************************
* NESTED CLASS
*********************************************/
//void vector::Class::function() {}
/*********************************************
* STATICS
*********************************************/
//std::string const vector::_bar = "bar";
}