--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libphysfs/lzma/CPP/7zip/UI/Common/ArchiveOpenCallback.cpp	Mon Apr 10 12:06:43 2017 -0400
@@ -0,0 +1,137 @@
+// ArchiveOpenCallback.cpp
+
+#include "StdAfx.h"
+
+#include "ArchiveOpenCallback.h"
+
+#include "Common/StringConvert.h"
+#include "Common/ComTry.h"
+#include "Windows/PropVariant.h"
+
+#include "../../Common/FileStreams.h"
+
+using namespace NWindows;
+
+STDMETHODIMP COpenCallbackImp::SetTotal(const UInt64 *files, const UInt64 *bytes)
+{
+  COM_TRY_BEGIN
+  if (!Callback)
+    return S_OK;
+  return Callback->SetTotal(files, bytes);
+  COM_TRY_END
+}
+
+STDMETHODIMP COpenCallbackImp::SetCompleted(const UInt64 *files, const UInt64 *bytes)
+{
+  COM_TRY_BEGIN
+  if (!Callback)
+    return S_OK;
+  return Callback->SetTotal(files, bytes);
+  COM_TRY_END
+}
+  
+STDMETHODIMP COpenCallbackImp::GetProperty(PROPID propID, PROPVARIANT *value)
+{
+  COM_TRY_BEGIN
+  NCOM::CPropVariant propVariant;
+  if (_subArchiveMode)
+  {
+    switch(propID)
+    {
+      case kpidName:
+        propVariant = _subArchiveName;
+        break;
+    }
+    propVariant.Detach(value);
+    return S_OK;
+  }
+  switch(propID)
+  {
+    case kpidName:
+      propVariant = _fileInfo.Name;
+      break;
+    case kpidIsFolder:
+      propVariant = _fileInfo.IsDirectory();
+      break;
+    case kpidSize:
+      propVariant = _fileInfo.Size;
+      break;
+    case kpidAttributes:
+      propVariant = (UInt32)_fileInfo.Attributes;
+      break;
+    case kpidLastAccessTime:
+      propVariant = _fileInfo.LastAccessTime;
+      break;
+    case kpidCreationTime:
+      propVariant = _fileInfo.CreationTime;
+      break;
+    case kpidLastWriteTime:
+      propVariant = _fileInfo.LastWriteTime;
+      break;
+    }
+  propVariant.Detach(value);
+  return S_OK;
+  COM_TRY_END
+}
+
+int COpenCallbackImp::FindName(const UString &name)
+{
+  for (int i = 0; i < FileNames.Size(); i++)
+    if (name.CompareNoCase(FileNames[i]) == 0)
+      return i;
+  return -1;
+}
+
+struct CInFileStreamVol: public CInFileStream
+{
+  UString Name;
+  COpenCallbackImp *OpenCallbackImp;
+  CMyComPtr<IArchiveOpenCallback> OpenCallbackRef;
+  ~CInFileStreamVol()
+  {
+    int index = OpenCallbackImp->FindName(Name);
+    if (index >= 0)
+      OpenCallbackImp->FileNames.Delete(index);
+  }
+};
+
+STDMETHODIMP COpenCallbackImp::GetStream(const wchar_t *name, IInStream **inStream)
+{
+  COM_TRY_BEGIN
+  if (_subArchiveMode)
+    return S_FALSE;
+  if (Callback)
+  {
+    RINOK(Callback->CheckBreak());
+  }
+  *inStream = NULL;
+  UString fullPath = _folderPrefix + name;
+  if (!NFile::NFind::FindFile(fullPath, _fileInfo))
+    return S_FALSE;
+  if (_fileInfo.IsDirectory())
+    return S_FALSE;
+  CInFileStreamVol *inFile = new CInFileStreamVol;
+  CMyComPtr<IInStream> inStreamTemp = inFile;
+  if (!inFile->Open(fullPath))
+    return ::GetLastError();
+  *inStream = inStreamTemp.Detach();
+  inFile->Name = name;
+  inFile->OpenCallbackImp = this;
+  inFile->OpenCallbackRef = this;
+  FileNames.Add(name);
+  TotalSize += _fileInfo.Size;
+  return S_OK;
+  COM_TRY_END
+}
+
+#ifndef _NO_CRYPTO
+STDMETHODIMP COpenCallbackImp::CryptoGetTextPassword(BSTR *password)
+{
+  COM_TRY_BEGIN
+  if (!Callback)
+    return E_NOTIMPL;
+  return Callback->CryptoGetTextPassword(password);
+  COM_TRY_END
+}
+#endif
+