rlm@1: // Common/DynamicBuffer.h
rlm@1: 
rlm@1: #ifndef __COMMON_DYNAMICBUFFER_H
rlm@1: #define __COMMON_DYNAMICBUFFER_H
rlm@1: 
rlm@1: #include "Buffer.h"
rlm@1: 
rlm@1: template <class T> class CDynamicBuffer: public CBuffer<T>
rlm@1: {
rlm@1:   void GrowLength(size_t size)
rlm@1:   {
rlm@1:     size_t delta;
rlm@1:     if (this->_capacity > 64)
rlm@1:       delta = this->_capacity / 4;
rlm@1:     else if (this->_capacity > 8)
rlm@1:       delta = 16;
rlm@1:     else
rlm@1:       delta = 4;
rlm@1:     delta = MyMax(delta, size);
rlm@1:     SetCapacity(this->_capacity + delta);
rlm@1:   }
rlm@1: public:
rlm@1:   CDynamicBuffer(): CBuffer<T>() {};
rlm@1:   CDynamicBuffer(const CDynamicBuffer &buffer): CBuffer<T>(buffer) {};
rlm@1:   CDynamicBuffer(size_t size): CBuffer<T>(size) {};
rlm@1:   CDynamicBuffer& operator=(const CDynamicBuffer &buffer)
rlm@1:   {
rlm@1:     this->Free();
rlm@1:     if (buffer._capacity > 0)
rlm@1:     {
rlm@1:       SetCapacity(buffer._capacity);
rlm@1:       memmove(this->_items, buffer._items, buffer._capacity * sizeof(T));
rlm@1:     }
rlm@1:     return *this;
rlm@1:   }
rlm@1:   void EnsureCapacity(size_t capacity)
rlm@1:   {
rlm@1:     if (this->_capacity < capacity)
rlm@1:       GrowLength(capacity - this->_capacity);
rlm@1:   }
rlm@1: };
rlm@1: 
rlm@1: typedef CDynamicBuffer<char> CCharDynamicBuffer;
rlm@1: typedef CDynamicBuffer<wchar_t> CWCharDynamicBuffer;
rlm@1: typedef CDynamicBuffer<unsigned char> CByteDynamicBuffer;
rlm@1: 
rlm@1: #endif