1 files changed, 121 insertions, 0 deletions
diff --git a/lib/UnrarXLib/array.hpp b/lib/UnrarXLib/array.hpp
new file mode 100644
index 0000000000..3afec70c13
--- /dev/null
+++ b/lib/UnrarXLib/array.hpp
@@ -0,0 +1,121 @@
+#ifndef _RAR_ARRAY_
+#define _RAR_ARRAY_
+
+extern ErrorHandler ErrHandler;
+
+template <class T> class Array
+{
+  private:
+    T *Buffer;
+    int BufSize;
+    int AllocSize;
+  public:
+    Array();
+    Array(int Size);
+    ~Array();
+    inline void CleanData();
+    inline T& operator [](int Item);
+    inline int Size();
+    void Add(int Items);
+    void Alloc(int Items);
+    void Reset();
+    void operator = (Array<T> &Src);
+    void Push(T Item);
+};
+
+template <class T> void Array<T>::CleanData()
+{
+  Buffer=NULL;
+  BufSize=0;
+  AllocSize=0;
+}
+
+
+template <class T> Array<T>::Array()
+{
+  CleanData();
+}
+
+
+template <class T> Array<T>::Array(int Size)
+{
+  Buffer=(T *)rarmalloc(sizeof(T)*Size);
+  if (Buffer==NULL && Size!=0)
+    ErrHandler.MemoryError();
+
+  AllocSize=BufSize=Size;
+}
+
+
+template <class T> Array<T>::~Array()
+{
+  if (Buffer!=NULL)
+    rarfree(Buffer);
+}
+
+
+template <class T> inline T& Array<T>::operator [](int Item)
+{
+  return(Buffer[Item]);
+}
+
+
+template <class T> inline int Array<T>::Size()
+{
+  return(BufSize);
+}
+
+
+template <class T> void Array<T>::Add(int Items)
+{
+  BufSize+=Items;
+  if (BufSize>AllocSize)
+  {
+    int Suggested=AllocSize+AllocSize/4+32;
+    int NewSize=Max(BufSize,Suggested);
+
+    Buffer=(T *)rarrealloc(Buffer,NewSize*sizeof(T));
+    if (Buffer==NULL)
+      ErrHandler.MemoryError();
+    AllocSize=NewSize;
+  }
+}
+
+
+template <class T> void Array<T>::Alloc(int Items)
+{
+  if (Items>AllocSize)
+    Add(Items-BufSize);
+  else
+    BufSize=Items;
+}
+
+
+template <class T> void Array<T>::Reset()
+{
+  if (Buffer!=NULL)
+  {
+    rarfree(Buffer);
+    Buffer=NULL;
+  }
+  BufSize=0;
+  AllocSize=0;
+}
+
+
+template <class T> void Array<T>::operator =(Array<T> &Src)
+{
+  Reset();
+  Alloc(Src.BufSize);
+  if (Src.BufSize!=0)
+    memcpy((void *)Buffer,(void *)Src.Buffer,Src.BufSize*sizeof(T));
+}
+
+
+template <class T> void Array<T>::Push(T Item)
+{
+  Add(1);
+  (*this)[Size()-1]=Item;
+}
+
+#endif