3.13

2025-12-17 00:11:48 -06:00 · 2003-12-11 00:00:00 +00:00
commit 8c1b5c7b7e
982 changed files with 118799 additions and 0 deletions
--- a/7zip/Archive/GZip/GZipUpdate.cpp
+++ b/7zip/Archive/GZip/GZipUpdate.cpp
@@ -0,0 +1,110 @@
+// GZipUpdate.cpp
+
+#include "StdAfx.h"
+
+#include "GZipUpdate.h"
+
+#include "Common/Defs.h"
+#include "Common/StringConvert.h"
+
+#include "Windows/Defs.h"
+#include "Windows/PropVariant.h"
+
+#include "../../ICoder.h"
+#include "../../Common/ProgressUtils.h"
+#include "../../Compress/Copy/CopyCoder.h"
+
+#include "../Common/InStreamWithCRC.h"
+
+#ifdef COMPRESS_DEFLATE
+#include "../../Compress/Deflate/DeflateEncoder.h"
+#else
+// {23170F69-40C1-278B-0401-080000000100}
+DEFINE_GUID(CLSID_CCompressDeflateEncoder, 
+0x23170F69, 0x40C1, 0x278B, 0x04, 0x01, 0x08, 0x00, 0x00, 0x00, 0x01, 0x00);
+extern CSysString GetBaseFolderPrefix();
+#include "../Common/CoderLoader.h"
+extern CSysString GetDeflateCodecPath();
+#endif
+
+namespace NArchive {
+namespace NGZip {
+
+static const BYTE kHostOS = NFileHeader::NHostOS::kFAT;
+
+HRESULT UpdateArchive(IInStream *inStream, 
+    UINT64 unpackSize,
+    IOutStream *outStream,
+    const CItem &newItem,
+    const CCompressionMethodMode &compressionMethod,
+    int indexInClient,
+    IArchiveUpdateCallback *updateCallback)
+{
+  UINT64 complexity = 0;
+
+  complexity += unpackSize;
+
+  RINOK(updateCallback->SetTotal(complexity));
+
+  #ifndef COMPRESS_DEFLATE
+  CCoderLibrary lib;
+  #endif
+  CMyComPtr<ICompressCoder> deflateEncoder;
+  
+  complexity = 0;
+  RINOK(updateCallback->SetCompleted(&complexity));
+
+  CMyComPtr<IInStream> fileInStream;
+
+  RINOK(updateCallback->GetStream(indexInClient, &fileInStream));
+
+  CInStreamWithCRC *inStreamSpec = new CInStreamWithCRC;
+  CMyComPtr<ISequentialInStream> crcStream(inStreamSpec);
+  inStreamSpec->Init(fileInStream);
+
+  CLocalProgress *localProgressSpec = new CLocalProgress;
+  CMyComPtr<ICompressProgressInfo> localProgress = localProgressSpec;
+  localProgressSpec->Init(updateCallback, true);
+  
+  CLocalCompressProgressInfo *localCompressProgressSpec = 
+      new CLocalCompressProgressInfo;
+  CMyComPtr<ICompressProgressInfo> compressProgress = localCompressProgressSpec;
+  
+  COutArchive outArchive;
+  outArchive.Create(outStream);
+
+  CItem item = newItem;
+  item.CompressionMethod = NFileHeader::NCompressionMethod::kDefalate;
+  item.ExtraFlags = 0;
+  item.HostOS = kHostOS;
+
+  RINOK(outArchive.WriteHeader(item));
+
+  localCompressProgressSpec->Init(localProgress, &complexity, NULL);
+
+  {
+    #ifdef COMPRESS_DEFLATE
+    deflateEncoder = new NCompress::NDeflate::NEncoder::CCOMCoder;
+    #else
+    RINOK(lib.LoadAndCreateCoder(GetDeflateCodecPath(),
+        CLSID_CCompressDeflateEncoder, &deflateEncoder));
+    #endif
+
+    NWindows::NCOM::CPropVariant properties[2] = 
+      { compressionMethod.NumPasses, compressionMethod.NumFastBytes };
+    PROPID propIDs[2] = 
+      { NCoderPropID::kNumPasses, NCoderPropID::kNumFastBytes };
+    CMyComPtr<ICompressSetCoderProperties> setCoderProperties;
+    RINOK(deflateEncoder.QueryInterface(
+        IID_ICompressSetCoderProperties, &setCoderProperties));
+    RINOK(setCoderProperties->SetCoderProperties(propIDs, properties, 2));
+  }
+  RINOK(deflateEncoder->Code(crcStream, outStream, NULL, NULL, compressProgress));
+
+  RINOK(outArchive.WritePostInfo(inStreamSpec->GetCRC(), 
+      (UINT32)inStreamSpec->GetSize()));
+  return updateCallback->SetOperationResult(
+      NArchive::NUpdate::NOperationResult::kOK);
+}
+
+}}