Initialer Commit

CPP/Common/MyVector.h

@@ -0,0 +1,626 @@
+// Common/MyVector.h
+
+#ifndef __COMMON_MY_VECTOR_H
+#define __COMMON_MY_VECTOR_H
+
+#include <string.h>
+
+template <class T>
+class CRecordVector
+{
+  T *_items;
+  unsigned _size;
+  unsigned _capacity;
+  
+  void MoveItems(unsigned destIndex, unsigned srcIndex)
+  {
+    memmove(_items + destIndex, _items + srcIndex, (size_t)(_size - srcIndex) * sizeof(T));
+  }
+
+  void ReserveOnePosition()
+  {
+    if (_size == _capacity)
+    {
+      unsigned newCapacity = _capacity + (_capacity >> 2) + 1;
+      T *p = new T[newCapacity];
+      if (_size != 0)
+        memcpy(p, _items, (size_t)_size * sizeof(T));
+      delete []_items;
+      _items = p;
+      _capacity = newCapacity;
+    }
+  }
+
+public:
+
+  CRecordVector(): _items(0), _size(0), _capacity(0) {}
+  
+  CRecordVector(const CRecordVector &v): _items(0), _size(0), _capacity(0)
+  {
+    unsigned size = v.Size();
+    if (size != 0)
+    {
+      _items = new T[size];
+      _size = size;
+      _capacity = size;
+      memcpy(_items, v._items, (size_t)size * sizeof(T));
+    }
+  }
+  
+  unsigned Size() const { return _size; }
+  bool IsEmpty() const { return _size == 0; }
+  
+  void ConstructReserve(unsigned size)
+  {
+    if (size != 0)
+    {
+      _items = new T[size];
+      _capacity = size;
+    }
+  }
+
+  void Reserve(unsigned newCapacity)
+  {
+    if (newCapacity > _capacity)
+    {
+      T *p = new T[newCapacity];
+      if (_size != 0)
+        memcpy(p, _items, (size_t)_size * sizeof(T));
+      delete []_items;
+      _items = p;
+      _capacity = newCapacity;
+    }
+  }
+
+  void ClearAndReserve(unsigned newCapacity)
+  {
+    Clear();
+    if (newCapacity > _capacity)
+    {
+      delete []_items;
+      _items = NULL;
+      _capacity = 0;
+      _items = new T[newCapacity];
+      _capacity = newCapacity;
+    }
+  }
+
+  void ClearAndSetSize(unsigned newSize)
+  {
+    ClearAndReserve(newSize);
+    _size = newSize;
+  }
+
+  void ChangeSize_KeepData(unsigned newSize)
+  {
+    if (newSize > _capacity)
+    {
+      T *p = new T[newSize];
+      if (_size != 0)
+        memcpy(p, _items, (size_t)_size * sizeof(T));
+      delete []_items;
+      _items = p;
+      _capacity = newSize;
+    }
+    _size = newSize;
+  }
+
+  void ReserveDown()
+  {
+    if (_size == _capacity)
+      return;
+    T *p = NULL;
+    if (_size != 0)
+    {
+      p = new T[_size];
+      memcpy(p, _items, (size_t)_size * sizeof(T));
+    }
+    delete []_items;
+    _items = p;
+    _capacity = _size;
+  }
+  
+  ~CRecordVector() { delete []_items; }
+  
+  void ClearAndFree()
+  {
+    delete []_items;
+    _items = NULL;
+    _size = 0;
+    _capacity = 0;
+  }
+  
+  void Clear() { _size = 0; }
+
+  void DeleteBack() { _size--; }
+  
+  void DeleteFrom(unsigned index)
+  {
+    // if (index <= _size)
+      _size = index;
+  }
+  
+  void DeleteFrontal(unsigned num)
+  {
+    if (num != 0)
+    {
+      MoveItems(0, num);
+      _size -= num;
+    }
+  }
+
+  void Delete(unsigned index)
+  {
+    MoveItems(index, index + 1);
+    _size -= 1;
+  }
+
+  /*
+  void Delete(unsigned index, unsigned num)
+  {
+    if (num > 0)
+    {
+      MoveItems(index, index + num);
+      _size -= num;
+    }
+  }
+  */
+
+  CRecordVector& operator=(const CRecordVector &v)
+  {
+    if (&v == this)
+      return *this;
+    unsigned size = v.Size();
+    if (size > _capacity)
+    {
+      delete []_items;
+      _capacity = 0;
+      _size = 0;
+      _items = NULL;
+      _items = new T[size];
+      _capacity = size;
+    }
+    _size = size;
+    if (size != 0)
+      memcpy(_items, v._items, (size_t)size * sizeof(T));
+    return *this;
+  }
+
+  CRecordVector& operator+=(const CRecordVector &v)
+  {
+    unsigned size = v.Size();
+    Reserve(_size + size);
+    if (size != 0)
+      memcpy(_items + _size, v._items, (size_t)size * sizeof(T));
+    _size += size;
+    return *this;
+  }
+  
+  unsigned Add(const T item)
+  {
+    ReserveOnePosition();
+    _items[_size] = item;
+    return _size++;
+  }
+
+  void AddInReserved(const T item)
+  {
+    _items[_size++] = item;
+  }
+
+  void Insert(unsigned index, const T item)
+  {
+    ReserveOnePosition();
+    MoveItems(index + 1, index);
+    _items[index] = item;
+    _size++;
+  }
+
+  void MoveToFront(unsigned index)
+  {
+    if (index != 0)
+    {
+      T temp = _items[index];
+      memmove(_items + 1, _items, (size_t)index * sizeof(T));
+      _items[0] = temp;
+    }
+  }
+
+  const T& operator[](unsigned index) const { return _items[index]; }
+        T& operator[](unsigned index)       { return _items[index]; }
+  const T& Front() const { return _items[0]; }
+        T& Front()       { return _items[0]; }
+  const T& Back() const  { return _items[_size - 1]; }
+        T& Back()        { return _items[_size - 1]; }
+
+  /*
+  void Swap(unsigned i, unsigned j)
+  {
+    T temp = _items[i];
+    _items[i] = _items[j];
+    _items[j] = temp;
+  }
+  */
+
+  int FindInSorted(const T item, unsigned left, unsigned right) const
+  {
+    while (left != right)
+    {
+      unsigned mid = (left + right) / 2;
+      const T midVal = (*this)[mid];
+      if (item == midVal)
+        return mid;
+      if (item < midVal)
+        right = mid;
+      else
+        left = mid + 1;
+    }
+    return -1;
+  }
+
+  int FindInSorted2(const T &item, unsigned left, unsigned right) const
+  {
+    while (left != right)
+    {
+      unsigned mid = (left + right) / 2;
+      const T& midVal = (*this)[mid];
+      int comp = item.Compare(midVal);
+      if (comp == 0)
+        return mid;
+      if (comp < 0)
+        right = mid;
+      else
+        left = mid + 1;
+    }
+    return -1;
+  }
+
+  int FindInSorted(const T item) const
+  {
+    return FindInSorted(item, 0, _size);
+  }
+
+  int FindInSorted2(const T &item) const
+  {
+    return FindInSorted2(item, 0, _size);
+  }
+
+  unsigned AddToUniqueSorted(const T item)
+  {
+    unsigned left = 0, right = _size;
+    while (left != right)
+    {
+      unsigned mid = (left + right) / 2;
+      const T midVal = (*this)[mid];
+      if (item == midVal)
+        return mid;
+      if (item < midVal)
+        right = mid;
+      else
+        left = mid + 1;
+    }
+    Insert(right, item);
+    return right;
+  }
+
+  unsigned AddToUniqueSorted2(const T &item)
+  {
+    unsigned left = 0, right = _size;
+    while (left != right)
+    {
+      unsigned mid = (left + right) / 2;
+      const T& midVal = (*this)[mid];
+      int comp = item.Compare(midVal);
+      if (comp == 0)
+        return mid;
+      if (comp < 0)
+        right = mid;
+      else
+        left = mid + 1;
+    }
+    Insert(right, item);
+    return right;
+  }
+
+  static void SortRefDown(T* p, unsigned k, unsigned size, int (*compare)(const T*, const T*, void *), void *param)
+  {
+    T temp = p[k];
+    for (;;)
+    {
+      unsigned 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)
+  {
+    unsigned size = _size;
+    if (size <= 1)
+      return;
+    T* p = (&Front()) - 1;
+    {
+      unsigned i = size >> 1;
+      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);
+  }
+
+  static void SortRefDown2(T* p, unsigned k, unsigned size)
+  {
+    T temp = p[k];
+    for (;;)
+    {
+      unsigned s = (k << 1);
+      if (s > size)
+        break;
+      if (s < size && p[s + 1].Compare(p[s]) > 0)
+        s++;
+      if (temp.Compare(p[s]) >= 0)
+        break;
+      p[k] = p[s];
+      k = s;
+    }
+    p[k] = temp;
+  }
+
+  void Sort2()
+  {
+    unsigned size = _size;
+    if (size <= 1)
+      return;
+    T* p = (&Front()) - 1;
+    {
+      unsigned i = size >> 1;
+      do
+        SortRefDown2(p, i, size);
+      while (--i != 0);
+    }
+    do
+    {
+      T temp = p[size];
+      p[size--] = p[1];
+      p[1] = temp;
+      SortRefDown2(p, 1, size);
+    }
+    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
+{
+  CPointerVector _v;
+public:
+  unsigned Size() const { return _v.Size(); }
+  bool IsEmpty() const { return _v.IsEmpty(); }
+  void ReserveDown() { _v.ReserveDown(); }
+  // void Reserve(unsigned newCapacity) { _v.Reserve(newCapacity); }
+  void ClearAndReserve(unsigned newCapacity) { Clear(); _v.ClearAndReserve(newCapacity); }
+
+  CObjectVector() {};
+  CObjectVector(const CObjectVector &v)
+  {
+    unsigned size = v.Size();
+    _v.ConstructReserve(size);
+    for (unsigned i = 0; i < size; i++)
+      _v.AddInReserved(new T(v[i]));
+  }
+  CObjectVector& operator=(const CObjectVector &v)
+  {
+    if (&v == this)
+      return *this;
+    Clear();
+    unsigned size = v.Size();
+    _v.Reserve(size);
+    for (unsigned i = 0; i < size; i++)
+      _v.AddInReserved(new T(v[i]));
+    return *this;
+  }
+
+  CObjectVector& operator+=(const CObjectVector &v)
+  {
+    unsigned size = v.Size();
+    _v.Reserve(Size() + size);
+    for (unsigned i = 0; i < size; i++)
+      _v.AddInReserved(new T(v[i]));
+    return *this;
+  }
+  
+  const T& operator[](unsigned index) const { return *((T *)_v[index]); }
+        T& operator[](unsigned index)       { return *((T *)_v[index]); }
+  const T& Front() const { return operator[](0); }
+        T& Front()       { return operator[](0); }
+  const T& Back() const  { return operator[](_v.Size() - 1); }
+        T& Back()        { return operator[](_v.Size() - 1); }
+  
+  void MoveToFront(unsigned index) { _v.MoveToFront(index); }
+
+  unsigned Add(const T& item) { return _v.Add(new T(item)); }
+  
+  void AddInReserved(const T& item) { _v.AddInReserved(new T(item)); }
+  
+  T& AddNew()
+  {
+    T *p = new T;
+    _v.Add(p);
+    return *p;
+  }
+  
+  T& AddNewInReserved()
+  {
+    T *p = new T;
+    _v.AddInReserved(p);
+    return *p;
+  }
+  
+  void Insert(unsigned index, const T& item) { _v.Insert(index, new T(item)); }
+  
+  T& InsertNew(unsigned index)
+  {
+    T *p = new T;
+    _v.Insert(index, p);
+    return *p;
+  }
+
+  ~CObjectVector()
+  {
+    for (unsigned i = _v.Size(); i != 0;)
+      delete (T *)_v[--i];
+  }
+  
+  void ClearAndFree()
+  {
+    Clear();
+    _v.ClearAndFree();
+  }
+  
+  void Clear()
+  {
+    for (unsigned i = _v.Size(); i != 0;)
+      delete (T *)_v[--i];
+    _v.Clear();
+  }
+  
+  void DeleteFrom(unsigned index)
+  {
+    unsigned size = _v.Size();
+    for (unsigned i = index; i < size; i++)
+      delete (T *)_v[i];
+    _v.DeleteFrom(index);
+  }
+
+  void DeleteFrontal(unsigned num)
+  {
+    for (unsigned i = 0; i < num; i++)
+      delete (T *)_v[i];
+    _v.DeleteFrontal(num);
+  }
+
+  void DeleteBack()
+  {
+    delete (T *)_v[_v.Size() - 1];
+    _v.DeleteBack();
+  }
+
+  void Delete(unsigned index)
+  {
+    delete (T *)_v[index];
+    _v.Delete(index);
+  }
+
+  /*
+  void Delete(unsigned index, unsigned num)
+  {
+    for (unsigned i = 0; i < num; i++)
+      delete (T *)_v[index + i];
+    _v.Delete(index, num);
+  }
+  */
+
+  /*
+  int Find(const T& item) const
+  {
+    unsigned size = Size();
+    for (unsigned i = 0; i < size; i++)
+      if (item == (*this)[i])
+        return i;
+    return -1;
+  }
+  */
+  
+  int FindInSorted(const T& item) const
+  {
+    unsigned left = 0, right = Size();
+    while (left != right)
+    {
+      unsigned mid = (left + right) / 2;
+      const T& midVal = (*this)[mid];
+      int comp = item.Compare(midVal);
+      if (comp == 0)
+        return mid;
+      if (comp < 0)
+        right = mid;
+      else
+        left = mid + 1;
+    }
+    return -1;
+  }
+
+  unsigned AddToUniqueSorted(const T& item)
+  {
+    unsigned left = 0, right = Size();
+    while (left != right)
+    {
+      unsigned mid = (left + right) / 2;
+      const T& midVal = (*this)[mid];
+      int comp = item.Compare(midVal);
+      if (comp == 0)
+        return mid;
+      if (comp < 0)
+        right = mid;
+      else
+        left = mid + 1;
+    }
+    Insert(right, item);
+    return right;
+  }
+
+  /*
+  unsigned AddToSorted(const T& item)
+  {
+    unsigned left = 0, right = Size();
+    while (left != right)
+    {
+      unsigned mid = (left + right) / 2;
+      const T& midVal = (*this)[mid];
+      int comp = item.Compare(midVal);
+      if (comp == 0)
+      {
+        right = mid + 1;
+        break;
+      }
+      if (comp < 0)
+        right = mid;
+      else
+        left = mid + 1;
+    }
+    Insert(right, item);
+    return right;
+  }
+  */
+
+  void Sort(int (*compare)(void *const *, void *const *, void *), void *param)
+    { _v.Sort(compare, param); }
+
+  static int CompareObjectItems(void *const *a1, void *const *a2, void * /* param */)
+    { return (*(*((const T **)a1))).Compare(*(*((const T **)a2))); }
+
+  void Sort() { _v.Sort(CompareObjectItems, 0); }
+};
+
+#define FOR_VECTOR(_i_, _v_) for (unsigned _i_ = 0; _i_ < (_v_).Size(); _i_++)
+
+#endif