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#ifndef CORE_LIB_ARRAY_H
#define CORE_LIB_ARRAY_H
#include "exception.h"
#include "array-view.h"
namespace CoreLib
{
namespace Basic
{
template<typename T, int size>
class Array
{
private:
T _buffer[size];
int _count = 0;
public:
T* begin() const
{
return (T*)_buffer;
}
T* end() const
{
return (T*)_buffer + _count;
}
public:
inline int GetCapacity() const
{
return size;
}
inline int Count() const
{
return _count;
}
inline T & First() const
{
return const_cast<T&>(_buffer[0]);
}
inline T & Last() const
{
return const_cast<T&>(_buffer[_count - 1]);
}
inline void SetSize(int newSize)
{
#ifdef _DEBUG
if (newSize > size)
throw IndexOutofRangeException("size too large.");
#endif
_count = newSize;
}
inline void Add(const T & item)
{
#ifdef _DEBUG
if (_count == size)
throw IndexOutofRangeException("out of range access to static array.");
#endif
_buffer[_count++] = item;
}
inline void Add(T && item)
{
#ifdef _DEBUG
if (_count == size)
throw IndexOutofRangeException("out of range access to static array.");
#endif
_buffer[_count++] = _Move(item);
}
inline T & operator [](int id) const
{
#if _DEBUG
if (id >= _count || id < 0)
throw IndexOutofRangeException("Operator[]: Index out of Range.");
#endif
return ((T*)_buffer)[id];
}
inline T* Buffer() const
{
return (T*)_buffer;
}
inline void Clear()
{
_count = 0;
}
template<typename T2>
int IndexOf(const T2 & val) const
{
for (int i = 0; i < _count; i++)
{
if (_buffer[i] == val)
return i;
}
return -1;
}
template<typename T2>
int LastIndexOf(const T2 & val) const
{
for (int i = _count - 1; i >= 0; i--)
{
if (_buffer[i] == val)
return i;
}
return -1;
}
inline ArrayView<T> GetArrayView() const
{
return ArrayView<T>((T*)_buffer, _count);
}
inline ArrayView<T> GetArrayView(int start, int count) const
{
return ArrayView<T>((T*)_buffer + start, count);
}
};
template<typename T, typename ...TArgs>
struct FirstType
{
typedef T type;
};
template<typename T, int size>
void InsertArray(Array<T, size> &) {}
template<typename T, typename ...TArgs, int size>
void InsertArray(Array<T, size> & arr, const T & val, TArgs... args)
{
arr.Add(val);
InsertArray(arr, args...);
}
template<typename ...TArgs>
auto MakeArray(TArgs ...args) -> Array<typename FirstType<TArgs...>::type, sizeof...(args)>
{
Array<typename FirstType<TArgs...>::type, sizeof...(args)> rs;
InsertArray(rs, args...);
return rs;
}
}
}
#endif
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