4.44 beta

2025-12-10 04:07:12 -06:00 · 2007-01-20 00:00:00 +00:00
parent 804edc5756
commit d9666cf046
1331 changed files with 10535 additions and 13791 deletions
--- a/CPP/7zip/Archive/BZip2/BZip2Handler.cpp
+++ b/CPP/7zip/Archive/BZip2/BZip2Handler.cpp
@@ -0,0 +1,287 @@
+// BZip2Handler.cpp
+
+#include "StdAfx.h"
+
+#include "BZip2Handler.h"
+
+#include "Common/Defs.h"
+
+#include "../../Common/ProgressUtils.h"
+#include "../../Common/StreamUtils.h"
+
+#include "Windows/PropVariant.h"
+#include "Windows/Defs.h"
+#include "Common/ComTry.h"
+
+#include "../Common/DummyOutStream.h"
+
+#ifdef COMPRESS_BZIP2
+#include "../../Compress/BZip2/BZip2Decoder.h"
+#else
+// {23170F69-40C1-278B-0402-020000000000}
+DEFINE_GUID(CLSID_CCompressBZip2Decoder, 
+0x23170F69, 0x40C1, 0x278B, 0x04, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00);
+#include "../Common/CoderLoader.h"
+extern CSysString GetBZip2CodecPath();
+#endif
+
+using namespace NWindows;
+
+namespace NArchive {
+namespace NBZip2 {
+
+STATPROPSTG kProperties[] = 
+{
+  { NULL, kpidPath, VT_BSTR},
+  // { NULL, kpidIsFolder, VT_BOOL},
+  // { NULL, kpidSize, VT_UI8},
+  { NULL, kpidPackedSize, VT_UI8},
+};
+
+STDMETHODIMP CHandler::GetArchiveProperty(PROPID /* propID */, PROPVARIANT *value)
+{
+  value->vt = VT_EMPTY;
+  return S_OK;
+}
+
+STDMETHODIMP CHandler::GetNumberOfProperties(UInt32 *numProperties)
+{
+  *numProperties = sizeof(kProperties) / sizeof(kProperties[0]);
+  return S_OK;
+}
+
+STDMETHODIMP CHandler::GetPropertyInfo(UInt32 index,     
+      BSTR *name, PROPID *propID, VARTYPE *varType)
+{
+  if(index >= sizeof(kProperties) / sizeof(kProperties[0]))
+    return E_INVALIDARG;
+  const STATPROPSTG &srcItem = kProperties[index];
+  *propID = srcItem.propid;
+  *varType = srcItem.vt;
+  *name = 0;
+  return S_OK;
+}
+
+STDMETHODIMP CHandler::GetNumberOfArchiveProperties(UInt32 *numProperties)
+{
+  *numProperties = 0;
+  return S_OK;
+}
+
+STDMETHODIMP CHandler::GetArchivePropertyInfo(UInt32 /* index */,     
+      BSTR * /* name */, PROPID * /* propID */, VARTYPE * /* varType */)
+{
+  return E_INVALIDARG;
+}
+
+STDMETHODIMP CHandler::GetNumberOfItems(UInt32 *numItems)
+{
+  *numItems = 1;
+  return S_OK;
+}
+
+STDMETHODIMP CHandler::GetProperty(UInt32 index, PROPID propID,  PROPVARIANT *value)
+{
+  COM_TRY_BEGIN
+  NWindows::NCOM::CPropVariant propVariant;
+  if (index != 0)
+    return E_INVALIDARG;
+  switch(propID)
+  {
+    case kpidIsFolder:
+      propVariant = false;
+      break;
+    case kpidPackedSize:
+      propVariant = _item.PackSize;
+      break;
+  }
+  propVariant.Detach(value);
+  return S_OK;
+  COM_TRY_END
+}
+
+STDMETHODIMP CHandler::Open(IInStream *stream, 
+    const UInt64 * /* maxCheckStartPosition */,
+    IArchiveOpenCallback * /* openArchiveCallback */)
+{
+  COM_TRY_BEGIN
+  try
+  {
+    RINOK(stream->Seek(0, STREAM_SEEK_CUR, &_streamStartPosition));
+    const int kSignatureSize = 3;
+    Byte buffer[kSignatureSize];
+    UInt32 processedSize;
+    RINOK(ReadStream(stream, buffer, kSignatureSize, &processedSize));
+    if (processedSize != kSignatureSize)
+      return S_FALSE;
+    if (buffer[0] != 'B' || buffer[1] != 'Z' || buffer[2] != 'h')
+      return S_FALSE;
+
+    UInt64 endPosition;
+    RINOK(stream->Seek(0, STREAM_SEEK_END, &endPosition));
+    _item.PackSize = endPosition - _streamStartPosition;
+    
+    _stream = stream;
+  }
+  catch(...)
+  {
+    return S_FALSE;
+  }
+  return S_OK;
+  COM_TRY_END
+}
+
+STDMETHODIMP CHandler::Close()
+{
+  _stream.Release();
+  return S_OK;
+}
+
+
+STDMETHODIMP CHandler::Extract(const UInt32* indices, UInt32 numItems,
+    Int32 testModeSpec, IArchiveExtractCallback *extractCallback)
+{
+  COM_TRY_BEGIN
+  bool allFilesMode = (numItems == UInt32(-1));
+  if (!allFilesMode)
+  {
+    if (numItems == 0)
+      return S_OK;
+    if (numItems != 1)
+      return E_INVALIDARG;
+    if (indices[0] != 0)
+      return E_INVALIDARG;
+  }
+
+  bool testMode = (testModeSpec != 0);
+
+  extractCallback->SetTotal(_item.PackSize);
+
+  UInt64 currentTotalPacked = 0, currentTotalUnPacked = 0;
+  
+  RINOK(extractCallback->SetCompleted(&currentTotalPacked));
+  
+  CMyComPtr<ISequentialOutStream> realOutStream;
+  Int32 askMode;
+  askMode = testMode ? NArchive::NExtract::NAskMode::kTest :
+  NArchive::NExtract::NAskMode::kExtract;
+  
+  RINOK(extractCallback->GetStream(0, &realOutStream, askMode));
+    
+  if(!testMode && !realOutStream)
+    return S_OK;
+
+
+  extractCallback->PrepareOperation(askMode);
+
+  #ifndef COMPRESS_BZIP2
+  CCoderLibrary lib;
+  #endif
+  CMyComPtr<ICompressCoder> decoder;
+  #ifdef COMPRESS_BZIP2
+  decoder = new NCompress::NBZip2::CDecoder;
+  #else
+  HRESULT loadResult = lib.LoadAndCreateCoder(
+      GetBZip2CodecPath(),
+      CLSID_CCompressBZip2Decoder, &decoder);
+  if (loadResult != S_OK)
+  {
+    RINOK(extractCallback->SetOperationResult(NArchive::NExtract::NOperationResult::kUnSupportedMethod));
+    return S_OK;
+  }
+  #endif
+
+  #ifdef COMPRESS_MT
+  {
+    CMyComPtr<ICompressSetCoderMt> setCoderMt;
+    decoder.QueryInterface(IID_ICompressSetCoderMt, &setCoderMt);
+    if (setCoderMt)
+    {
+      RINOK(setCoderMt->SetNumberOfThreads(_numThreads));
+    }
+  }
+  #endif
+
+  CDummyOutStream *outStreamSpec = new CDummyOutStream;
+  CMyComPtr<ISequentialOutStream> outStream(outStreamSpec);
+  outStreamSpec->Init(realOutStream);
+  
+  realOutStream.Release();
+
+  CLocalProgress *localProgressSpec = new CLocalProgress;
+  CMyComPtr<ICompressProgressInfo> progress = localProgressSpec;
+  localProgressSpec->Init(extractCallback, true);
+
+  CLocalCompressProgressInfo *localCompressProgressSpec = 
+      new CLocalCompressProgressInfo;
+  CMyComPtr<ICompressProgressInfo> compressProgress = localCompressProgressSpec;
+  
+  RINOK(_stream->Seek(_streamStartPosition, STREAM_SEEK_SET, NULL));
+
+
+  HRESULT result = S_OK;
+
+  bool firstItem = true;
+  for (;;)
+  {
+    localCompressProgressSpec->Init(progress, 
+      &currentTotalPacked,
+      &currentTotalUnPacked);
+
+    const int kSignatureSize = 3;
+    Byte buffer[kSignatureSize];
+    UInt32 processedSize;
+    RINOK(ReadStream(_stream, buffer, kSignatureSize, &processedSize));
+    if (processedSize < kSignatureSize)
+    {
+      if (firstItem)
+        return E_FAIL;
+      break;
+    }
+    if (buffer[0] != 'B' || buffer[1] != 'Z' || buffer[2] != 'h')
+    {
+      if (firstItem)
+        return E_FAIL;
+      outStream.Release();
+      RINOK(extractCallback->SetOperationResult(NArchive::NExtract::NOperationResult::kOK))
+      return S_OK;
+    }
+    firstItem = false;
+
+    UInt64 dataStartPos;
+    RINOK(_stream->Seek((UInt64)(Int64)(-3), STREAM_SEEK_CUR, &dataStartPos));
+
+    result = decoder->Code(_stream, outStream, NULL, NULL, compressProgress);
+
+    if (result != S_OK)
+      break;
+
+    CMyComPtr<ICompressGetInStreamProcessedSize> getInStreamProcessedSize;
+    decoder.QueryInterface(IID_ICompressGetInStreamProcessedSize, 
+        &getInStreamProcessedSize);
+    if (!getInStreamProcessedSize)
+      break;
+
+    UInt64 packSize;
+    RINOK(getInStreamProcessedSize->GetInStreamProcessedSize(&packSize));
+    UInt64 pos;
+    RINOK(_stream->Seek(dataStartPos + packSize, STREAM_SEEK_SET, &pos));
+    currentTotalPacked = pos - _streamStartPosition;
+  }
+  outStream.Release();
+
+  int retResult;
+  if (result == S_OK)
+    retResult = NArchive::NExtract::NOperationResult::kOK;
+  else if (result == S_FALSE)
+    retResult = NArchive::NExtract::NOperationResult::kDataError;
+  else
+    return result;
+
+  RINOK(extractCallback->SetOperationResult(retResult));
+ 
+  return S_OK;
+  COM_TRY_END
+}
+
+}}