3.13

2025-12-10 20:07:05 -06:00 · 2003-12-11 00:00:00 +00:00
commit 8c1b5c7b7e
982 changed files with 118799 additions and 0 deletions
--- a/7zip/UI/Common/OpenArchive.cpp
+++ b/7zip/UI/Common/OpenArchive.cpp
@@ -0,0 +1,171 @@
+// OpenArchive.cpp
+
+#include "StdAfx.h"
+
+#include "OpenArchive.h"
+
+#include "Windows/FileName.h"
+#include "Windows/FileDir.h"
+#include "Windows/Defs.h"
+
+#include "../../Common/FileStreams.h"
+
+#include "Common/StringConvert.h"
+
+#ifdef FORMAT_7Z
+#include "../../Archive/7z/7zHandler.h"
+#endif
+
+#ifdef FORMAT_BZIP2
+#include "../../Archive/BZip2/BZip2Handler.h"
+#endif
+
+#ifdef FORMAT_GZIP
+#include "../../Archive/GZip/GZipHandler.h"
+#endif
+
+#ifdef FORMAT_TAR
+#include "../../Archive/Tar/TarHandler.h"
+#endif
+
+#ifdef FORMAT_ZIP
+#include "../../Archive/Zip/ZipHandler.h"
+#endif
+
+#ifndef EXCLUDE_COM
+#include "HandlerLoader.h"
+#endif
+
+
+using namespace NWindows;
+
+const UINT64 kMaxCheckStartPosition = 1 << 20;
+
+HRESULT ReOpenArchive(IInArchive *archive, 
+    const UString &fileName)
+{
+  CInFileStream *inStreamSpec = new CInFileStream;
+  CMyComPtr<IInStream> inStream(inStreamSpec);
+  inStreamSpec->Open(fileName);
+  return archive->Open(inStream, &kMaxCheckStartPosition, NULL);
+}
+
+HRESULT OpenArchive(const UString &fileName, 
+    #ifndef EXCLUDE_COM
+    HMODULE *module,
+    #endif
+    IInArchive **archiveResult, 
+    CArchiverInfo &archiverInfoResult,
+    int &subExtIndex,
+    IArchiveOpenCallback *openArchiveCallback)
+{
+  CInFileStream *inStreamSpec = new CInFileStream;
+  CMyComPtr<IInStream> inStream(inStreamSpec);
+  if (!inStreamSpec->Open(fileName))
+    return GetLastError();
+
+  *archiveResult = NULL;
+  CObjectVector<CArchiverInfo> archiverInfoList;
+  ReadArchiverInfoList(archiverInfoList);
+  UString extension;
+  {
+    UString name, pureName, dot;
+    if(!NFile::NDirectory::GetOnlyName(fileName, name))
+      return E_FAIL;
+    NFile::NName::SplitNameToPureNameAndExtension(name, pureName, dot, extension);
+  }
+  CIntVector orderIndices;
+  int firstArchiverIndex;
+  for(firstArchiverIndex = 0; 
+      firstArchiverIndex < archiverInfoList.Size(); firstArchiverIndex++)
+  {
+    int subIndex = archiverInfoList[firstArchiverIndex].FindExtension(extension);
+    if (subIndex >= 0)
+      break;
+  }
+  if(firstArchiverIndex < archiverInfoList.Size())
+    orderIndices.Add(firstArchiverIndex);
+  for(int j = 0; j < archiverInfoList.Size(); j++)
+    if(j != firstArchiverIndex)
+      orderIndices.Add(j);
+  
+  HRESULT badResult = S_OK;
+  for(int i = 0; i < orderIndices.Size(); i++)
+  {
+    inStreamSpec->Seek(0, STREAM_SEEK_SET, NULL);
+    const CArchiverInfo &archiverInfo = archiverInfoList[orderIndices[i]];
+    #ifndef EXCLUDE_COM
+    CHandlerLoader loader;
+    #endif
+    CMyComPtr<IInArchive> archive;
+
+    #ifdef FORMAT_7Z
+    if (archiverInfo.Name.CompareNoCase(L"7z") == 0)
+      archive = new NArchive::N7z::CHandler;
+    #endif
+
+    #ifdef FORMAT_BZIP2
+    if (archiverInfo.Name.CompareNoCase(L"BZip2") == 0)
+      archive = new NArchive::NBZip2::CHandler;
+    #endif
+
+    #ifdef FORMAT_GZIP
+    if (archiverInfo.Name.CompareNoCase(L"GZip") == 0)
+      archive = new NArchive::NGZip::CHandler;
+    #endif
+
+    #ifdef FORMAT_TAR
+    if (archiverInfo.Name.CompareNoCase(L"Tar") == 0)
+      archive = new NArchive::NTar::CHandler;
+    #endif
+
+    #ifdef FORMAT_ZIP
+    if (archiverInfo.Name.CompareNoCase(L"Zip") == 0)
+      archive = new NArchive::NZip::CHandler;
+    #endif
+
+
+    #ifndef EXCLUDE_COM
+    if (!archive)
+    {
+      HRESULT result = loader.CreateHandler(archiverInfo.FilePath, 
+          archiverInfo.ClassID, (void **)&archive, false);
+      if (result != S_OK)
+        continue;
+    }
+    #endif EXCLUDE_COM
+    
+    if (!archive)
+      return E_FAIL;
+    
+    HRESULT result = archive->Open(inStream, &kMaxCheckStartPosition, openArchiveCallback);
+    if(result == S_FALSE)
+      continue;
+    if(result != S_OK)
+    {
+      badResult = result;
+      continue;
+      // return result;
+    }
+    *archiveResult = archive.Detach();
+    #ifndef EXCLUDE_COM
+    *module = loader.Detach();
+    #endif
+    archiverInfoResult = archiverInfo;
+    subExtIndex = archiverInfo.FindExtension(extension);
+    if (subExtIndex < 0)
+      subExtIndex = 0;
+    return S_OK;
+  }
+  if (badResult != S_OK)
+    return badResult;
+  return S_FALSE;
+  
+  /*
+  #else
+  return S_FALSE;
+  #endif
+  
+  #endif
+  */
+}