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Diffstat (limited to 'other-licenses/7zstub/src/Common/Vector.h')
| -rw-r--r-- | other-licenses/7zstub/src/Common/Vector.h | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/Common/Vector.h b/other-licenses/7zstub/src/Common/Vector.h new file mode 100644 index 000000000..593c64354 --- /dev/null +++ b/other-licenses/7zstub/src/Common/Vector.h @@ -0,0 +1,228 @@ +// 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();
+ 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;
+ }
+
+ void Sort(int left, int right)
+ {
+ if (right - left < 2)
+ return;
+ Swap(left, (left + right) / 2);
+ int last = left;
+ for (int i = left; i < right; i++)
+ if (operator[](i) < operator[](left))
+ Swap(++last, i);
+ Swap(left, last);
+ Sort(left, last);
+ Sort(last + 1, right);
+ }
+ void Sort() { Sort(0, Size()); }
+ void Sort(int left, int right, int (*compare)(const T*, const T*, void *), void *param)
+ {
+ if (right - left < 2)
+ return;
+ Swap(left, (left + right) / 2);
+ int last = left;
+ for (int i = left; i < right; i++)
+ if (compare(&operator[](i), &operator[](left), param) < 0)
+ Swap(++last, i);
+ Swap(left, last);
+ Sort(left, last, compare, param);
+ Sort(last + 1, right, compare, param);
+ }
+
+ void Sort(int (*compare)(const T*, const T*, void *), void *param)
+ {
+ Sort(0, Size(), compare, param);
+ }
+};
+
+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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