prime/include/rstl/reserved_vector.hpp

69 lines
1.9 KiB
C++

#ifndef _RSTL_RESERVED_VECTOR_HPP
#define _RSTL_RESERVED_VECTOR_HPP
#include "types.h"
#include "rstl/construct.hpp"
#include "rstl/pointer_iterator.hpp"
namespace rstl {
template < typename T, size_t N >
class reserved_vector {
size_t x0_count;
T x4_items[N];
public:
typedef pointer_iterator< T, reserved_vector< T, N >, void > iterator;
typedef const_pointer_iterator< T, reserved_vector< T, N >, void > const_iterator;
inline iterator begin() { return iterator(x4_items); }
inline const_iterator begin() const { return const_iterator(x4_items); }
inline iterator end() { return iterator(x4_items + x0_count); }
inline const_iterator end() const { return const_iterator(x4_items + x0_count); }
reserved_vector(const reserved_vector& other) {
x0_count = other.size();
rstl::uninitialized_copy_n(data(), other.data(), size());
}
reserved_vector& operator=(const reserved_vector& other) {
if (this != &other) {
clear();
rstl::uninitialized_copy_2(other.data(), data(), other.data() + other.size());
x0_count = other.x0_count;
}
return *this;
}
void clear() {
for (size_t i = 0; i < x0_count; ++i) {
rstl::destroy(&x4_items[i]);
}
x0_count = 0;
}
~reserved_vector() {
clear();
}
void push_back(const T& in) {
if (x0_count < N) {
iterator out = begin() + x0_count;
out = in;
++x0_count;
}
}
inline T* data() { return x4_items; }
inline const T* data() const { return x4_items; }
inline size_t size() const { return x0_count; }
inline size_t capacity() const { return N; }
inline T& front() { return x4_items[0]; }
inline const T& front() const { return x4_items[0]; }
inline T& back() { return x4_items[x0_count - 1]; }
inline const T& back() const { return x4_items[x0_count - 1]; }
inline T& operator[](size_t idx) { return data()[idx]; }
inline const T& operator[](size_t idx) const { return data()[idx]; }
};
} // namespace rstl
#endif