diff options
Diffstat (limited to 'other-licenses/7zstub/src/7zip/Archive/Common/FilterCoder.cpp')
| -rw-r--r-- | other-licenses/7zstub/src/7zip/Archive/Common/FilterCoder.cpp | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/other-licenses/7zstub/src/7zip/Archive/Common/FilterCoder.cpp b/other-licenses/7zstub/src/7zip/Archive/Common/FilterCoder.cpp deleted file mode 100644 index fa8aba2e4..000000000 --- a/other-licenses/7zstub/src/7zip/Archive/Common/FilterCoder.cpp +++ /dev/null @@ -1,242 +0,0 @@ -// FilterCoder.cpp
-
-#include "StdAfx.h"
-
-#include "FilterCoder.h"
-#include "../../../Common/Alloc.h"
-#include "../../../Common/Defs.h"
-#include "../../Common/StreamUtils.h"
-
-static const int kBufferSize = 1 << 17;
-
-CFilterCoder::CFilterCoder()
-{
- _buffer = (Byte *)::MidAlloc(kBufferSize);
-}
-
-CFilterCoder::~CFilterCoder()
-{
- ::MidFree(_buffer);
-}
-
-HRESULT CFilterCoder::WriteWithLimit(ISequentialOutStream *outStream, UInt32 size)
-{
- if (_outSizeIsDefined)
- {
- UInt64 remSize = _outSize - _nowPos64;
- if (size > remSize)
- size = (UInt32)remSize;
- }
- UInt32 processedSize = 0;
- RINOK(WriteStream(outStream, _buffer, size, &processedSize));
- if (size != processedSize)
- return E_FAIL;
- _nowPos64 += processedSize;
- return S_OK;
-}
-
-
-STDMETHODIMP CFilterCoder::Code(ISequentialInStream *inStream,
- ISequentialOutStream *outStream, const UInt64 *inSize, const UInt64 *outSize,
- ICompressProgressInfo *progress)
-{
- RINOK(Init());
- UInt32 bufferPos = 0;
- if (_outSizeIsDefined = (outSize != 0))
- _outSize = *outSize;
-
- while(NeedMore())
- {
- UInt32 processedSize;
-
- // Change it: It can be optimized using ReadPart
- RINOK(ReadStream(inStream, _buffer + bufferPos, kBufferSize - bufferPos, &processedSize));
-
- UInt32 endPos = bufferPos + processedSize;
-
- bufferPos = Filter->Filter(_buffer, endPos);
- if (bufferPos > endPos)
- {
- for (; endPos< bufferPos; endPos++)
- _buffer[endPos] = 0;
- bufferPos = Filter->Filter(_buffer, endPos);
- }
-
- if (bufferPos == 0)
- {
- if (endPos > 0)
- return WriteWithLimit(outStream, endPos);
- return S_OK;
- }
- RINOK(WriteWithLimit(outStream, bufferPos));
- if (progress != NULL)
- {
- RINOK(progress->SetRatioInfo(&_nowPos64, &_nowPos64));
- }
- UInt32 i = 0;
- while(bufferPos < endPos)
- _buffer[i++] = _buffer[bufferPos++];
- bufferPos = i;
- }
- return S_OK;
-}
-
-// #ifdef _ST_MODE
-STDMETHODIMP CFilterCoder::SetOutStream(ISequentialOutStream *outStream)
-{
- _bufferPos = 0;
- _outStream = outStream;
- return Init();
-}
-
-STDMETHODIMP CFilterCoder::ReleaseOutStream()
-{
- _outStream.Release();
- return S_OK;
-};
-
-
-STDMETHODIMP CFilterCoder::Write(const void *data, UInt32 size, UInt32 *processedSize)
-{
- UInt32 processedSizeTotal = 0;
- while(size > 0)
- {
- UInt32 sizeMax = kBufferSize - _bufferPos;
- UInt32 sizeTemp = size;
- if (sizeTemp > sizeMax)
- sizeTemp = sizeMax;
- memmove(_buffer + _bufferPos, data, sizeTemp);
- size -= sizeTemp;
- processedSizeTotal += sizeTemp;
- data = (const Byte *)data + sizeTemp;
- UInt32 endPos = _bufferPos + sizeTemp;
- _bufferPos = Filter->Filter(_buffer, endPos);
- if (_bufferPos == 0)
- {
- _bufferPos = endPos;
- break;
- }
- if (_bufferPos > endPos)
- {
- if (size != 0)
- return E_FAIL;
- break;
- }
- RINOK(WriteWithLimit(_outStream, _bufferPos));
- UInt32 i = 0;
- while(_bufferPos < endPos)
- _buffer[i++] = _buffer[_bufferPos++];
- _bufferPos = i;
- }
- if (processedSize != NULL)
- *processedSize = processedSizeTotal;
- return S_OK;
-}
-
-STDMETHODIMP CFilterCoder::Flush()
-{
- if (_bufferPos != 0)
- {
- UInt32 endPos = Filter->Filter(_buffer, _bufferPos);
- if (endPos > _bufferPos)
- {
- for (; _bufferPos < endPos; _bufferPos++)
- _buffer[_bufferPos] = 0;
- if (Filter->Filter(_buffer, endPos) != endPos)
- return E_FAIL;
- }
- UInt32 processedSize;
- RINOK(WriteStream(_outStream, _buffer, _bufferPos, &processedSize));
- if (_bufferPos != processedSize)
- return E_FAIL;
- _bufferPos = 0;
- }
- CMyComPtr<IOutStreamFlush> flush;
- _outStream.QueryInterface(IID_IOutStreamFlush, &flush);
- if (flush)
- return flush->Flush();
- return S_OK;
-}
-
-
-STDMETHODIMP CFilterCoder::SetInStream(ISequentialInStream *inStream)
-{
- _convertedPosBegin = _convertedPosEnd = _bufferPos = 0;
- _inStream = inStream;
- return Init();
-}
-
-STDMETHODIMP CFilterCoder::ReleaseInStream()
-{
- _inStream.Release();
- return S_OK;
-};
-
-STDMETHODIMP CFilterCoder::Read(void *data, UInt32 size, UInt32 *processedSize)
-{
- UInt32 processedSizeTotal = 0;
- while(size > 0)
- {
- if (_convertedPosBegin != _convertedPosEnd)
- {
- UInt32 sizeTemp = MyMin(size, _convertedPosEnd - _convertedPosBegin);
- memmove(data, _buffer + _convertedPosBegin, sizeTemp);
- _convertedPosBegin += sizeTemp;
- data = (void *)((Byte *)data + sizeTemp);
- size -= sizeTemp;
- processedSizeTotal += sizeTemp;
- break;
- }
- int i;
- for (i = 0; _convertedPosEnd + i < _bufferPos; i++)
- _buffer[i] = _buffer[i + _convertedPosEnd];
- _bufferPos = i;
- _convertedPosBegin = _convertedPosEnd = 0;
- UInt32 processedSizeTemp;
- UInt32 size0 = kBufferSize - _bufferPos;
- // Optimize it:
- RINOK(ReadStream(_inStream, _buffer + _bufferPos, size0, &processedSizeTemp));
- _bufferPos = _bufferPos + processedSizeTemp;
- _convertedPosEnd = Filter->Filter(_buffer, _bufferPos);
- if (_convertedPosEnd == 0)
- {
- if (_bufferPos == 0)
- break;
- else
- {
- _convertedPosEnd = _bufferPos; // check it
- continue;
- }
- }
- if (_convertedPosEnd > _bufferPos)
- {
- for (; _bufferPos < _convertedPosEnd; _bufferPos++)
- _buffer[_bufferPos] = 0;
- _convertedPosEnd = Filter->Filter(_buffer, _bufferPos);
- }
- }
- if (processedSize != NULL)
- *processedSize = processedSizeTotal;
- return S_OK;
-}
-
-// #endif // _ST_MODE
-
-#ifndef _NO_CRYPTO
-STDMETHODIMP CFilterCoder::CryptoSetPassword(const Byte *data, UInt32 size)
-{
- return _setPassword->CryptoSetPassword(data, size);
-}
-#endif
-
-#ifndef EXTRACT_ONLY
-STDMETHODIMP CFilterCoder::WriteCoderProperties(ISequentialOutStream *outStream)
-{
- return _writeCoderProperties->WriteCoderProperties(outStream);
-}
-#endif
-
-STDMETHODIMP CFilterCoder::SetDecoderProperties2(const Byte *data, UInt32 size)
-{
- return _setDecoderProperties->SetDecoderProperties2(data, size);
-}
|