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// Common/Vector.h
#ifndef __COMMON_VECTOR_H
#define __COMMON_VECTOR_H
#include "Defs.h"
class CBaseRecordVector
{
void MoveItems(int destIndex, int srcIndex);
protected:
int _capacity;
int _size;
void *_items;
size_t _itemSize;
void ReserveOnePosition();
void InsertOneItem(int index);
void TestIndexAndCorrectNum(int index, int &num) const
{ if (index + num > _size) num = _size - index; }
public:
CBaseRecordVector(size_t itemSize):
_capacity(0), _size(0), _items(0), _itemSize(itemSize) {}
virtual ~CBaseRecordVector();
void Free();
int Size() const { return _size; }
bool IsEmpty() const { return (_size == 0); }
void Reserve(int newCapacity);
virtual void Delete(int index, int num = 1);
void Clear();
void DeleteFrom(int index);
void DeleteBack();
};
template <class T>
class CRecordVector: public CBaseRecordVector
{
public:
CRecordVector():CBaseRecordVector(sizeof(T)){};
CRecordVector(const CRecordVector &v):
CBaseRecordVector(sizeof(T)) { *this = v;}
CRecordVector& operator=(const CRecordVector &v)
{
Clear();
return (*this += v);
}
CRecordVector& operator+=(const CRecordVector &v)
{
int size = v.Size();
Reserve(Size() + size);
for(int i = 0; i < size; i++)
Add(v[i]);
return *this;
}
int Add(T item)
{
ReserveOnePosition();
((T *)_items)[_size] = item;
return _size++;
}
void Insert(int index, T item)
{
InsertOneItem(index);
((T *)_items)[index] = item;
}
// T* GetPointer() const { return (T*)_items; }
// operator const T *() const { return _items; };
const T& operator[](int index) const { return ((T *)_items)[index]; }
T& operator[](int index) { return ((T *)_items)[index]; }
const T& Front() const { return operator[](0); }
T& Front() { return operator[](0); }
const T& Back() const { return operator[](_size - 1); }
T& Back() { return operator[](_size - 1); }
void Swap(int i, int j)
{
T temp = operator[](i);
operator[](i) = operator[](j);
operator[](j) = temp;
}
int FindInSorted(const T& item) const
{
int left = 0, right = Size();
while (left != right)
{
int mid = (left + right) / 2;
const T& midValue = (*this)[mid];
if (item == midValue)
return mid;
if (item < midValue)
right = mid;
else
left = mid + 1;
}
return -1;
}
int AddToUniqueSorted(const T& item)
{
int left = 0, right = Size();
while (left != right)
{
int mid = (left + right) / 2;
const T& midValue = (*this)[mid];
if (item == midValue)
return mid;
if (item < midValue)
right = mid;
else
left = mid + 1;
}
Insert(right, item);
return right;
}
static void SortRefDown(T* p, int k, int size, int (*compare)(const T*, const T*, void *), void *param)
{
T temp = p[k];
for (;;)
{
int s = (k << 1);
if (s > size)
break;
if (s < size && compare(p + s + 1, p + s, param) > 0)
s++;
if (compare(&temp, p + s, param) >= 0)
break;
p[k] = p[s];
k = s;
}
p[k] = temp;
}
void Sort(int (*compare)(const T*, const T*, void *), void *param)
{
int size = _size;
if (size <= 1)
return;
T* p = (&Front()) - 1;
{
int i = size / 2;
do
SortRefDown(p, i, size, compare, param);
while(--i != 0);
}
do
{
T temp = p[size];
p[size--] = p[1];
p[1] = temp;
SortRefDown(p, 1, size, compare, param);
}
while (size > 1);
}
};
typedef CRecordVector<int> CIntVector;
typedef CRecordVector<unsigned int> CUIntVector;
typedef CRecordVector<bool> CBoolVector;
typedef CRecordVector<unsigned char> CByteVector;
typedef CRecordVector<void *> CPointerVector;
template <class T>
class CObjectVector: public CPointerVector
{
public:
CObjectVector(){};
~CObjectVector() { Clear(); }
CObjectVector(const CObjectVector &objectVector)
{ *this = objectVector; }
CObjectVector& operator=(const CObjectVector &objectVector)
{
Clear();
return (*this += objectVector);
}
CObjectVector& operator+=(const CObjectVector &objectVector)
{
int size = objectVector.Size();
Reserve(Size() + size);
for(int i = 0; i < size; i++)
Add(objectVector[i]);
return *this;
}
const T& operator[](int index) const { return *((T *)CPointerVector::operator[](index)); }
T& operator[](int index) { return *((T *)CPointerVector::operator[](index)); }
T& Front() { return operator[](0); }
const T& Front() const { return operator[](0); }
T& Back() { return operator[](_size - 1); }
const T& Back() const { return operator[](_size - 1); }
int Add(const T& item)
{ return CPointerVector::Add(new T(item)); }
void Insert(int index, const T& item)
{ CPointerVector::Insert(index, new T(item)); }
virtual void Delete(int index, int num = 1)
{
TestIndexAndCorrectNum(index, num);
for(int i = 0; i < num; i++)
delete (T *)(((void **)_items)[index + i]);
CPointerVector::Delete(index, num);
}
int Find(const T& item) const
{
for(int i = 0; i < Size(); i++)
if (item == (*this)[i])
return i;
return -1;
}
int FindInSorted(const T& item) const
{
int left = 0, right = Size();
while (left != right)
{
int mid = (left + right) / 2;
const T& midValue = (*this)[mid];
if (item == midValue)
return mid;
if (item < midValue)
right = mid;
else
left = mid + 1;
}
return -1;
}
int AddToSorted(const T& item)
{
int left = 0, right = Size();
while (left != right)
{
int mid = (left + right) / 2;
const T& midValue = (*this)[mid];
if (item == midValue)
{
right = mid + 1;
break;
}
if (item < midValue)
right = mid;
else
left = mid + 1;
}
Insert(right, item);
return right;
}
void Sort(int (*compare)(void *const *, void *const *, void *), void *param)
{ CPointerVector::Sort(compare, param); }
static int CompareObjectItems(void *const *a1, void *const *a2, void * /* param */)
{ return MyCompare(*(*((const T **)a1)), *(*((const T **)a2))); }
void Sort() { CPointerVector::Sort(CompareObjectItems, 0); }
};
#endif
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