15.05

CPP/7zip/UI/FileManager/AltStreamsFolder.cpp

@@ -0,0 +1,839 @@
+// AltStreamsFolder.cpp
+
+#include "StdAfx.h"
+
+#include "../../../Common/ComTry.h"
+#include "../../../Common/StringConvert.h"
+#include "../../../Common/Wildcard.h"
+
+#include "../../../Windows/ErrorMsg.h"
+#include "../../../Windows/FileDir.h"
+#include "../../../Windows/FileIO.h"
+#include "../../../Windows/FileName.h"
+#include "../../../Windows/PropVariant.h"
+
+#include "../Common/ExtractingFilePath.h"
+
+#include "../Agent/IFolderArchive.h"
+
+#include "AltStreamsFolder.h"
+#include "FSDrives.h"
+#include "FSFolder.h"
+
+#include "SysIconUtils.h"
+
+using namespace NWindows;
+using namespace NFile;
+using namespace NFind;
+using namespace NDir;
+using namespace NName;
+
+#ifndef USE_UNICODE_FSTRING
+int CompareFileNames_ForFolderList(const FChar *s1, const FChar *s2);
+#endif
+
+#ifndef UNDER_CE
+
+namespace NFsFolder
+{
+bool MyGetCompressedFileSizeW(CFSTR path, UInt64 &size);
+}
+
+#endif
+
+namespace NAltStreamsFolder {
+
+static const Byte kProps[] =
+{
+  kpidName,
+  kpidSize,
+  kpidPackSize
+};
+
+static unsigned GetFsParentPrefixSize(const FString &path)
+{
+  if (IsNetworkShareRootPath(path))
+    return 0;
+  unsigned prefixSize = GetRootPrefixSize(path);
+  if (prefixSize == 0 || prefixSize >= path.Len())
+    return 0;
+  FString parentPath = path;
+  int pos = parentPath.ReverseFind_PathSepar();
+  if (pos < 0)
+    return 0;
+  if (pos == (int)parentPath.Len() - 1)
+  {
+    parentPath.DeleteBack();
+    pos = parentPath.ReverseFind_PathSepar();
+    if (pos < 0)
+      return 0;
+  }
+  if ((unsigned)pos + 1 < prefixSize)
+    return 0;
+  return pos + 1;
+}
+
+HRESULT CAltStreamsFolder::Init(const FString &path /* , IFolderFolder *parentFolder */)
+{
+   // _parentFolder = parentFolder;
+   if (path.Back() != ':')
+     return E_FAIL;
+
+  _pathPrefix = path;
+  _pathBaseFile = path;
+  _pathBaseFile.DeleteBack();
+
+  {
+    CFileInfo fi;
+    if (!fi.Find(_pathBaseFile))
+      return GetLastError();
+  }
+
+  unsigned prefixSize = GetFsParentPrefixSize(_pathBaseFile);
+  if (prefixSize == 0)
+    return S_OK;
+  FString parentPath = _pathBaseFile;
+  parentPath.DeleteFrom(prefixSize);
+
+  _findChangeNotification.FindFirst(parentPath, false,
+        FILE_NOTIFY_CHANGE_FILE_NAME
+      | FILE_NOTIFY_CHANGE_DIR_NAME
+      | FILE_NOTIFY_CHANGE_ATTRIBUTES
+      | FILE_NOTIFY_CHANGE_SIZE
+      | FILE_NOTIFY_CHANGE_LAST_WRITE
+      /*
+      | FILE_NOTIFY_CHANGE_LAST_ACCESS
+      | FILE_NOTIFY_CHANGE_CREATION
+      | FILE_NOTIFY_CHANGE_SECURITY
+      */
+      );
+  /*
+  if (_findChangeNotification.IsHandleAllocated())
+    return S_OK;
+  return GetLastError();
+  */
+  return S_OK;
+}
+
+STDMETHODIMP CAltStreamsFolder::LoadItems()
+{
+  Int32 dummy;
+  WasChanged(&dummy);
+  Clear();
+
+  CStreamEnumerator enumerator(_pathBaseFile);
+
+  CStreamInfo si;
+  for (;;)
+  {
+    bool found;
+    if (!enumerator.Next(si, found))
+    {
+      // if (GetLastError() == ERROR_ACCESS_DENIED)
+      //   break;
+      // return E_FAIL;
+      break;
+    }
+    if (!found)
+      break;
+    if (si.IsMainStream())
+      continue;
+    CAltStream ss;
+    ss.Name = si.GetReducedName();
+    if (!ss.Name.IsEmpty() && ss.Name[0] == ':')
+      ss.Name.Delete(0);
+
+    ss.Size = si.Size;
+    ss.PackSize_Defined = false;
+    ss.PackSize = si.Size;
+    Streams.Add(ss);
+  }
+
+  return S_OK;
+}
+
+STDMETHODIMP CAltStreamsFolder::GetNumberOfItems(UInt32 *numItems)
+{
+  *numItems = Streams.Size();
+  return S_OK;
+}
+
+#ifdef USE_UNICODE_FSTRING
+
+STDMETHODIMP CAltStreamsFolder::GetItemPrefix(UInt32 /* index */, const wchar_t **name, unsigned *len)
+{
+  *name = 0;
+  *len = 0;
+  return S_OK;
+}
+
+STDMETHODIMP CAltStreamsFolder::GetItemName(UInt32 index, const wchar_t **name, unsigned *len)
+{
+  *name = 0;
+  *len = 0;
+  {
+    const CAltStream &ss = Streams[index];
+    *name = ss.Name;
+    *len = ss.Name.Len();
+  }
+  return S_OK;
+}
+
+STDMETHODIMP_(UInt64) CAltStreamsFolder::GetItemSize(UInt32 index)
+{
+  return Streams[index].Size;
+}
+
+#endif
+
+
+STDMETHODIMP CAltStreamsFolder::GetProperty(UInt32 index, PROPID propID, PROPVARIANT *value)
+{
+  NCOM::CPropVariant prop;
+  {
+    CAltStream &ss = Streams[index];
+    switch (propID)
+    {
+      case kpidIsDir: prop = false; break;
+      case kpidIsAltStream: prop = true; break;
+      case kpidName: prop = ss.Name; break;
+      case kpidSize: prop = ss.Size; break;
+      case kpidPackSize:
+        #ifdef UNDER_CE
+        prop = ss.Size;
+        #else
+        if (!ss.PackSize_Defined)
+        {
+          ss.PackSize_Defined = true;
+          if (!NFsFolder::MyGetCompressedFileSizeW(_pathPrefix + us2fs(ss.Name), ss.PackSize))
+            ss.PackSize = ss.Size;
+        }
+        prop = ss.PackSize;
+        #endif
+        break;
+    }
+  }
+
+  prop.Detach(value);
+  return S_OK;
+}
+
+
+// returns Position of extension including '.'
+
+static inline const wchar_t *GetExtensionPtr(const UString &name)
+{
+  int dotPos = name.ReverseFind_Dot();
+  return name.Ptr((dotPos < 0) ? name.Len() : dotPos);
+}
+
+STDMETHODIMP_(Int32) CAltStreamsFolder::CompareItems(UInt32 index1, UInt32 index2, PROPID propID, Int32 /* propIsRaw */)
+{
+  const CAltStream &ss1 = Streams[index1];
+  const CAltStream &ss2 = Streams[index2];
+
+  switch (propID)
+  {
+    case kpidName:
+    {
+      return CompareFileNames_ForFolderList(ss1.Name, ss2.Name);
+      // return MyStringCompareNoCase(ss1.Name, ss2.Name);
+    }
+    case kpidSize:
+      return MyCompare(ss1.Size, ss2.Size);
+    case kpidPackSize:
+    {
+      #ifdef UNDER_CE
+      return MyCompare(ss1.Size, ss2.Size);
+      #else
+      // PackSize can be undefined here
+      return MyCompare(
+          ss1.PackSize,
+          ss2.PackSize);
+      #endif
+    }
+    
+    case kpidExtension:
+      return CompareFileNames_ForFolderList(
+          GetExtensionPtr(ss1.Name),
+          GetExtensionPtr(ss2.Name));
+  }
+  
+  return 0;
+}
+
+STDMETHODIMP CAltStreamsFolder::BindToFolder(UInt32 /* index */, IFolderFolder **resultFolder)
+{
+  *resultFolder = 0;
+  return E_INVALIDARG;
+}
+
+STDMETHODIMP CAltStreamsFolder::BindToFolder(const wchar_t * /* name */, IFolderFolder **resultFolder)
+{
+  *resultFolder = 0;
+  return E_INVALIDARG;
+}
+
+static const CFSTR kSuperPrefix = FTEXT("\\\\?\\");
+
+STDMETHODIMP CAltStreamsFolder::BindToParentFolder(IFolderFolder **resultFolder)
+{
+  *resultFolder = 0;
+  /*
+  if (_parentFolder)
+  {
+    CMyComPtr<IFolderFolder> parentFolder = _parentFolder;
+    *resultFolder = parentFolder.Detach();
+    return S_OK;
+  }
+  */
+
+  if (IsDriveRootPath_SuperAllowed(_pathBaseFile))
+  {
+    CFSDrives *drivesFolderSpec = new CFSDrives;
+    CMyComPtr<IFolderFolder> drivesFolder = drivesFolderSpec;
+    drivesFolderSpec->Init();
+    *resultFolder = drivesFolder.Detach();
+    return S_OK;
+  }
+  
+  /*
+  parentPath.DeleteFrom(pos + 1);
+  
+  if (parentPath == kSuperPrefix)
+  {
+    #ifdef UNDER_CE
+    *resultFolder = 0;
+    #else
+    CFSDrives *drivesFolderSpec = new CFSDrives;
+    CMyComPtr<IFolderFolder> drivesFolder = drivesFolderSpec;
+    drivesFolderSpec->Init(false, true);
+    *resultFolder = drivesFolder.Detach();
+    #endif
+    return S_OK;
+  }
+
+  FString parentPathReduced = parentPath.Left(pos);
+  
+  #ifndef UNDER_CE
+  pos = parentPathReduced.ReverseFind_PathSepar();
+  if (pos == 1)
+  {
+    if (!IS_PATH_SEPAR_CHAR(parentPath[0]))
+      return E_FAIL;
+    CNetFolder *netFolderSpec = new CNetFolder;
+    CMyComPtr<IFolderFolder> netFolder = netFolderSpec;
+    netFolderSpec->Init(fs2us(parentPath));
+    *resultFolder = netFolder.Detach();
+    return S_OK;
+  }
+  #endif
+  
+  CFSFolder *parentFolderSpec = new CFSFolder;
+  CMyComPtr<IFolderFolder> parentFolder = parentFolderSpec;
+  RINOK(parentFolderSpec->Init(parentPath, 0));
+  *resultFolder = parentFolder.Detach();
+  */
+
+  return S_OK;
+}
+
+STDMETHODIMP CAltStreamsFolder::GetNumberOfProperties(UInt32 *numProperties)
+{
+  *numProperties = ARRAY_SIZE(kProps);
+  return S_OK;
+}
+
+STDMETHODIMP CAltStreamsFolder::GetPropertyInfo IMP_IFolderFolder_GetProp(kProps)
+
+STDMETHODIMP CAltStreamsFolder::GetFolderProperty(PROPID propID, PROPVARIANT *value)
+{
+  COM_TRY_BEGIN
+  NWindows::NCOM::CPropVariant prop;
+  switch (propID)
+  {
+    case kpidType: prop = "AltStreamsFolder"; break;
+    case kpidPath: prop = fs2us(_pathPrefix); break;
+  }
+  prop.Detach(value);
+  return S_OK;
+  COM_TRY_END
+}
+
+STDMETHODIMP CAltStreamsFolder::WasChanged(Int32 *wasChanged)
+{
+  bool wasChangedMain = false;
+  for (;;)
+  {
+    if (!_findChangeNotification.IsHandleAllocated())
+    {
+      *wasChanged = BoolToInt(false);
+      return S_OK;
+    }
+
+    DWORD waitResult = ::WaitForSingleObject(_findChangeNotification, 0);
+    bool wasChangedLoc = (waitResult == WAIT_OBJECT_0);
+    if (wasChangedLoc)
+    {
+      _findChangeNotification.FindNext();
+      wasChangedMain = true;
+    }
+    else
+      break;
+  }
+  *wasChanged = BoolToInt(wasChangedMain);
+  return S_OK;
+}
+ 
+STDMETHODIMP CAltStreamsFolder::Clone(IFolderFolder **resultFolder)
+{
+  CAltStreamsFolder *folderSpec = new CAltStreamsFolder;
+  CMyComPtr<IFolderFolder> folderNew = folderSpec;
+  folderSpec->Init(_pathPrefix);
+  *resultFolder = folderNew.Detach();
+  return S_OK;
+}
+
+void CAltStreamsFolder::GetAbsPath(const wchar_t *name, FString &absPath)
+{
+  absPath.Empty();
+  if (!IsAbsolutePath(name))
+    absPath += _pathPrefix;
+  absPath += us2fs(name);
+}
+
+
+
+static HRESULT SendMessageError(IFolderOperationsExtractCallback *callback,
+    const wchar_t *message, const FString &fileName)
+{
+  UString s = message;
+  s += L" : ";
+  s += fs2us(fileName);
+  return callback->ShowMessage(s);
+}
+
+static HRESULT SendMessageError(IFolderArchiveUpdateCallback *callback,
+    const wchar_t *message, const FString &fileName)
+{
+  UString s = message;
+  s += L" : ";
+  s += fs2us(fileName);
+  return callback->UpdateErrorMessage(s);
+}
+
+static HRESULT SendMessageError(IFolderOperationsExtractCallback *callback,
+    const char *message, const FString &fileName)
+{
+  return SendMessageError(callback, MultiByteToUnicodeString(message), fileName);
+}
+
+/*
+static HRESULT SendMessageError(IFolderArchiveUpdateCallback *callback,
+    const char *message, const FString &fileName)
+{
+  return SendMessageError(callback, MultiByteToUnicodeString(message), fileName);
+}
+*/
+
+STDMETHODIMP CAltStreamsFolder::CreateFolder(const wchar_t * /* name */, IProgress * /* progress */)
+{
+  return E_NOTIMPL;
+}
+
+STDMETHODIMP CAltStreamsFolder::CreateFile(const wchar_t *name, IProgress * /* progress */)
+{
+  FString absPath;
+  GetAbsPath(name, absPath);
+  NIO::COutFile outFile;
+  if (!outFile.Create(absPath, false))
+    return ::GetLastError();
+  return S_OK;
+}
+
+static DWORD Return_LastError_or_FAIL()
+{
+  DWORD errorCode = GetLastError();
+  if (errorCode == 0)
+    errorCode = (DWORD)E_FAIL;
+  return errorCode;
+}
+
+static UString GetLastErrorMessage()
+{
+  return NError::MyFormatMessage(Return_LastError_or_FAIL());
+}
+
+static HRESULT UpdateFile(NFsFolder::CCopyStateIO &state, CFSTR inPath, CFSTR outPath, IFolderArchiveUpdateCallback *callback)
+{
+  if (NFind::DoesFileOrDirExist(outPath))
+  {
+    RINOK(SendMessageError(callback, NError::MyFormatMessage(ERROR_ALREADY_EXISTS), outPath));
+    CFileInfo fi;
+    if (fi.Find(inPath))
+    {
+      if (state.TotalSize >= fi.Size)
+        state.TotalSize -= fi.Size;
+    }
+    return S_OK;
+  }
+
+  {
+    if (callback)
+      RINOK(callback->CompressOperation(fs2us(inPath)));
+    RINOK(state.MyCopyFile(inPath, outPath));
+    if (state.ErrorFileIndex >= 0)
+    {
+      if (state.ErrorMessage.IsEmpty())
+        state.ErrorMessage = GetLastErrorMessage();
+      FString errorName;
+      if (state.ErrorFileIndex == 0)
+        errorName = inPath;
+      else
+        errorName = outPath;
+      if (callback)
+        RINOK(SendMessageError(callback, state.ErrorMessage, errorName));
+    }
+    if (callback)
+      RINOK(callback->OperationResult(0));
+  }
+
+  return S_OK;
+}
+
+STDMETHODIMP CAltStreamsFolder::Rename(UInt32 index, const wchar_t *newName, IProgress *progress)
+{
+  CMyComPtr<IFolderArchiveUpdateCallback> callback;
+  if (progress)
+  {
+    RINOK(progress->QueryInterface(IID_IFolderArchiveUpdateCallback, (void **)&callback));
+  }
+
+  FString destPath = _pathPrefix + us2fs(newName);
+
+  const CAltStream &ss = Streams[index];
+
+  if (callback)
+  {
+    RINOK(callback->SetNumFiles(1));
+    RINOK(callback->SetTotal(ss.Size));
+  }
+
+  NFsFolder::CCopyStateIO state;
+  state.Progress = progress;
+  state.TotalSize = 0;
+  state.DeleteSrcFile = true;
+
+  return UpdateFile(state, _pathPrefix + us2fs(ss.Name), destPath, callback);
+}
+
+STDMETHODIMP CAltStreamsFolder::Delete(const UInt32 *indices, UInt32 numItems,IProgress *progress)
+{
+  RINOK(progress->SetTotal(numItems));
+  for (UInt32 i = 0; i < numItems; i++)
+  {
+    const CAltStream &ss = Streams[indices[i]];
+    const FString fullPath = _pathPrefix + us2fs(ss.Name);
+    bool result = DeleteFileAlways(fullPath);
+    if (!result)
+      return Return_LastError_or_FAIL();
+    UInt64 completed = i;
+    RINOK(progress->SetCompleted(&completed));
+  }
+  return S_OK;
+}
+
+STDMETHODIMP CAltStreamsFolder::SetProperty(UInt32 /* index */, PROPID /* propID */,
+    const PROPVARIANT * /* value */, IProgress * /* progress */)
+{
+  return E_NOTIMPL;
+}
+
+STDMETHODIMP CAltStreamsFolder::GetSystemIconIndex(UInt32 index, Int32 *iconIndex)
+{
+  const CAltStream &ss = Streams[index];
+  *iconIndex = 0;
+  int iconIndexTemp;
+  if (GetRealIconIndex(_pathPrefix + us2fs(ss.Name),
+    0 // fi.Attrib
+    , iconIndexTemp) != 0)
+  {
+    *iconIndex = iconIndexTemp;
+    return S_OK;
+  }
+  return Return_LastError_or_FAIL();
+}
+
+/*
+class CGetProp:
+  public IGetProp,
+  public CMyUnknownImp
+{
+public:
+  // const CArc *Arc;
+  // UInt32 IndexInArc;
+  UString Name; // relative path
+  UInt64 Size;
+
+  MY_UNKNOWN_IMP1(IGetProp)
+  INTERFACE_IGetProp(;)
+};
+
+STDMETHODIMP CGetProp::GetProp(PROPID propID, PROPVARIANT *value)
+{
+  if (propID == kpidName)
+  {
+    COM_TRY_BEGIN
+    NCOM::CPropVariant prop = Name;
+    prop.Detach(value);
+    return S_OK;
+    COM_TRY_END
+  }
+  if (propID == kpidSize)
+  {
+    NCOM::CPropVariant prop = Size;
+    prop.Detach(value);
+    return S_OK;
+  }
+  NCOM::CPropVariant prop;
+  prop.Detach(value);
+  return S_OK;
+}
+*/
+
+static HRESULT CopyStream(
+    NFsFolder::CCopyStateIO &state,
+    const FString &srcPath,
+    const CFileInfo &srcFileInfo,
+    const CAltStream &srcAltStream,
+    const FString &destPathSpec,
+    IFolderOperationsExtractCallback *callback)
+{
+  FString destPath = destPathSpec;
+  if (CompareFileNames(destPath, srcPath) == 0)
+  {
+    RINOK(SendMessageError(callback, "can not copy file onto itself", destPath));
+    return E_ABORT;
+  }
+
+  Int32 writeAskResult;
+  CMyComBSTR destPathResult;
+  RINOK(callback->AskWrite(
+      fs2us(srcPath),
+      BoolToInt(false),
+      &srcFileInfo.MTime, &srcAltStream.Size,
+      fs2us(destPath),
+      &destPathResult,
+      &writeAskResult));
+
+  if (IntToBool(writeAskResult))
+  {
+    RINOK(callback->SetCurrentFilePath(fs2us(srcPath)));
+    FString destPathNew = us2fs((LPCOLESTR)destPathResult);
+    RINOK(state.MyCopyFile(srcPath, destPathNew));
+    if (state.ErrorFileIndex >= 0)
+    {
+      if (state.ErrorMessage.IsEmpty())
+        state.ErrorMessage = GetLastErrorMessage();
+      FString errorName;
+      if (state.ErrorFileIndex == 0)
+        errorName = srcPath;
+      else
+        errorName = destPathNew;
+      RINOK(SendMessageError(callback, state.ErrorMessage, errorName));
+      return E_ABORT;
+    }
+    state.StartPos += state.CurrentSize;
+  }
+  else
+  {
+    if (state.TotalSize >= srcAltStream.Size)
+    {
+      state.TotalSize -= srcAltStream.Size;
+      RINOK(state.Progress->SetTotal(state.TotalSize));
+    }
+  }
+  return S_OK;
+}
+
+STDMETHODIMP CAltStreamsFolder::CopyTo(Int32 moveMode, const UInt32 *indices, UInt32 numItems,
+    Int32 /* includeAltStreams */, Int32 /* replaceAltStreamColon */,
+    const wchar_t *path, IFolderOperationsExtractCallback *callback)
+{
+  if (numItems == 0)
+    return S_OK;
+
+  /*
+  CMyComPtr<IFolderExtractToStreamCallback> ExtractToStreamCallback;
+  RINOK(callback->QueryInterface(IID_IFolderExtractToStreamCallback, (void **)&ExtractToStreamCallback));
+  if (ExtractToStreamCallback)
+  {
+    Int32 useStreams = 0;
+    if (ExtractToStreamCallback->UseExtractToStream(&useStreams) != S_OK)
+      useStreams = 0;
+    if (useStreams == 0)
+      ExtractToStreamCallback.Release();
+  }
+  */
+
+  UInt64 totalSize = 0;
+  {
+    UInt32 i;
+    for (i = 0; i < numItems; i++)
+    {
+      totalSize += Streams[indices[i]].Size;
+    }
+    RINOK(callback->SetTotal(totalSize));
+    RINOK(callback->SetNumFiles(numItems));
+  }
+
+  /*
+  if (ExtractToStreamCallback)
+  {
+    CGetProp *GetProp_Spec = new CGetProp;
+    CMyComPtr<IGetProp> GetProp= GetProp_Spec;
+
+    for (UInt32 i = 0; i < numItems; i++)
+    {
+      UInt32 index = indices[i];
+      const CAltStream &ss = Streams[index];
+      GetProp_Spec->Name = ss.Name;
+      GetProp_Spec->Size = ss.Size;
+      CMyComPtr<ISequentialOutStream> outStream;
+      RINOK(ExtractToStreamCallback->GetStream7(GetProp_Spec->Name, BoolToInt(false), &outStream,
+        NArchive::NExtract::NAskMode::kExtract, GetProp)); // isDir
+      FString srcPath;
+      GetFullPath(ss, srcPath);
+      RINOK(ExtractToStreamCallback->PrepareOperation7(NArchive::NExtract::NAskMode::kExtract));
+      RINOK(ExtractToStreamCallback->SetOperationResult7(NArchive::NExtract::NOperationResult::kOK, BoolToInt(false))); // _encrypted
+      // RINOK(CopyStream(state, srcPath, fi, ss, destPath2, callback, completedSize));
+    }
+    return S_OK;
+  }
+  */
+
+  FString destPath = us2fs(path);
+  if (destPath.IsEmpty() /* && !ExtractToStreamCallback */)
+    return E_INVALIDARG;
+
+  bool isAltDest = NName::IsAltPathPrefix(destPath);;
+  bool isDirectPath = (!isAltDest && !IsPathSepar(destPath.Back()));
+
+  if (isDirectPath)
+  {
+    if (numItems > 1)
+      return E_INVALIDARG;
+  }
+
+  CFileInfo fi;
+  if (!fi.Find(_pathBaseFile))
+    return GetLastError();
+
+  NFsFolder::CCopyStateIO state;
+  state.Progress = callback;
+  state.DeleteSrcFile = IntToBool(moveMode);
+  state.TotalSize = totalSize;
+
+  for (UInt32 i = 0; i < numItems; i++)
+  {
+    UInt32 index = indices[i];
+    const CAltStream &ss = Streams[index];
+    FString destPath2 = destPath;
+    if (!isDirectPath)
+      destPath2 += us2fs(Get_Correct_FsFile_Name(ss.Name));
+    FString srcPath;
+    GetFullPath(ss, srcPath);
+    RINOK(CopyStream(state, srcPath, fi, ss, destPath2, callback));
+  }
+
+  return S_OK;
+}
+
+STDMETHODIMP CAltStreamsFolder::CopyFrom(Int32 /* moveMode */, const wchar_t * /* fromFolderPath */,
+    const wchar_t * const * /* itemsPaths */, UInt32 /* numItems */, IProgress * /* progress */)
+{
+  /*
+  if (numItems == 0)
+    return S_OK;
+
+  CMyComPtr<IFolderArchiveUpdateCallback> callback;
+  if (progress)
+  {
+    RINOK(progress->QueryInterface(IID_IFolderArchiveUpdateCallback, (void **)&callback));
+  }
+
+  if (CompareFileNames(fromFolderPath, fs2us(_pathPrefix)) == 0)
+  {
+    RINOK(SendMessageError(callback, "can not copy file onto itself", _pathPrefix));
+    return E_ABORT;
+  }
+
+  if (callback)
+    RINOK(callback->SetNumFiles(numItems));
+
+  UInt64 totalSize = 0;
+  
+  UInt32 i;
+  
+  FString path;
+  for (i = 0; i < numItems; i++)
+  {
+    path = us2fs(fromFolderPath);
+    path += us2fs(itemsPaths[i]);
+
+    CFileInfo fi;
+    if (!fi.Find(path))
+      return ::GetLastError();
+    if (fi.IsDir())
+      return E_NOTIMPL;
+    totalSize += fi.Size;
+  }
+  
+  RINOK(progress->SetTotal(totalSize));
+
+  // UInt64 completedSize = 0;
+   
+  NFsFolder::CCopyStateIO state;
+  state.Progress = progress;
+  state.DeleteSrcFile = IntToBool(moveMode);
+  state.TotalSize = totalSize;
+
+  // we need to clear READ-ONLY of parent before creating alt stream
+  {
+    DWORD attrib = GetFileAttrib(_pathBaseFile);
+    if (attrib != INVALID_FILE_ATTRIBUTES
+        && (attrib & FILE_ATTRIBUTE_READONLY) != 0)
+    {
+      if (!SetFileAttrib(_pathBaseFile, attrib & ~FILE_ATTRIBUTE_READONLY))
+      {
+        if (callback)
+        {
+          RINOK(SendMessageError(callback, GetLastErrorMessage(), _pathBaseFile));
+          return S_OK;
+        }
+        return Return_LastError_or_FAIL();
+      }
+    }
+  }
+  
+  for (i = 0; i < numItems; i++)
+  {
+    path = us2fs(fromFolderPath);
+    path += us2fs(itemsPaths[i]);
+
+    FString destPath = _pathPrefix + us2fs(itemsPaths[i]);
+
+    RINOK(UpdateFile(state, path, destPath, callback));
+  }
+
+  return S_OK;
+  */
+  return E_NOTIMPL;
+}
+
+STDMETHODIMP CAltStreamsFolder::CopyFromFile(UInt32 /* index */, const wchar_t * /* fullFilePath */, IProgress * /* progress */)
+{
+  return E_NOTIMPL;
+}
+
+}