The Tor Browser: other-licenses/7zstub/src/Common/DynamicBuffer.h@925c144e1f1f (annotated)

other-licenses/7zstub/src/Common/DynamicBuffer.h@925c144e1f1f (annotated)

Fri, 16 Jan 2015 18:13:44 +0100

Integrate suggestion from review to improve consistency with existing code.

 // Common/DynamicBuffer.h
 #ifndef __COMMON_DYNAMICBUFFER_H
 #define __COMMON_DYNAMICBUFFER_H
 #include "Buffer.h"
 template <class T> class CDynamicBuffer: public CBuffer<T>
 {
   void GrowLength(size_t size)
   {
     size_t delta;
     if (this->_capacity > 64)
       delta = this->_capacity / 4;
     else if (this->_capacity > 8)
       delta = 16;
     else
       delta = 4;
     delta = MyMax(delta, size);
     SetCapacity(this->_capacity + delta);
   }
 public:
   CDynamicBuffer(): CBuffer<T>() {};
   CDynamicBuffer(const CDynamicBuffer &buffer): CBuffer<T>(buffer) {};
   CDynamicBuffer(size_t size): CBuffer<T>(size) {};
   CDynamicBuffer& operator=(const CDynamicBuffer &buffer)
   {
     this->Free();
     if(buffer._capacity > 0)
     {
       SetCapacity(buffer._capacity);
       memmove(this->_items, buffer._items, buffer._capacity * sizeof(T));
     }
     return *this;
   }
   void EnsureCapacity(size_t capacity)
   {
     if (this->_capacity < capacity)
       GrowLength(capacity - this->_capacity);
   }
 };
 typedef CDynamicBuffer<char> CCharDynamicBuffer;
 typedef CDynamicBuffer<wchar_t> CWCharDynamicBuffer;
 typedef CDynamicBuffer<unsigned char> CByteDynamicBuffer;
 #endif