Keep only base/extractor.[cc|h].

third_party/lzma/v4_65/files/CPP/7zip/Common/StreamObjects.cpp

-// StreamObjects.cpp
-
-#include "StdAfx.h"
-
-#include "StreamObjects.h"
-#include "../../Common/Defs.h"
-
-
-STDMETHODIMP CSequentialInStreamImp::Read(void *data, UInt32 size, UInt32 *processedSize)
-{
-  size_t rem = _size - _pos;
-  if (size < rem)
-    rem = (size_t)size;
-  memcpy(data, _dataPointer + _pos, rem);
-  _pos += rem;
-  if (processedSize != NULL)
-    *processedSize = (UInt32)rem;
-  return S_OK;
-}
-
-
-void CWriteBuffer::Write(const void *data, size_t size)
-{
-  size_t newCapacity = _size + size;
-  _buffer.EnsureCapacity(newCapacity);
-  memcpy(_buffer + _size, data, size);
-  _size += size;
-}
-
-STDMETHODIMP CSequentialOutStreamImp::Write(const void *data, UInt32 size, UInt32 *processedSize)
-{
-  _writeBuffer.Write(data, (size_t)size);
-  if(processedSize != NULL)
-    *processedSize = size;
-  return S_OK;
-}
-
-STDMETHODIMP CSequentialOutStreamImp2::Write(const void *data, UInt32 size, UInt32 *processedSize)
-{
-  size_t rem = _size - _pos;
-  if (size < rem)
-    rem = (size_t)size;
-  memcpy(_buffer + _pos, data, rem);
-  _pos += rem;
-  if (processedSize != NULL)
-    *processedSize = (UInt32)rem;
-  return (rem == size ? S_OK : E_FAIL);
-}
-
-STDMETHODIMP CSequentialInStreamSizeCount::Read(void *data, UInt32 size, UInt32 *processedSize)
-{
-  UInt32 realProcessedSize;
-  HRESULT result = _stream->Read(data, size, &realProcessedSize);
-  _size += realProcessedSize;
-  if (processedSize != 0)
-    *processedSize = realProcessedSize;
-  return result;
-}
-
-STDMETHODIMP CSequentialOutStreamSizeCount::Write(const void *data, UInt32 size, UInt32 *processedSize)
-{
-  UInt32 realProcessedSize;
-  HRESULT result = _stream->Write(data, size, &realProcessedSize);
-  _size += realProcessedSize;
-  if (processedSize != 0)
-    *processedSize = realProcessedSize;
-  return result;
-}