misc/libphysfs/lzma/CPP/Common/MyVector.h
changeset 12213 bb5522e88ab2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libphysfs/lzma/CPP/Common/MyVector.h	Mon Apr 10 12:06:43 2017 -0400
@@ -0,0 +1,254 @@
+// 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