1 files changed, 110 insertions, 0 deletions
diff --git a/7zip/Archive/Nsis/DllExports.cpp b/7zip/Archive/Nsis/DllExports.cpp
new file mode 100755
index 00000000..f10f56ea
--- /dev/null
+++ b/7zip/Archive/Nsis/DllExports.cpp
@@ -0,0 +1,110 @@
+// DLLExports.cpp
+
+#include "StdAfx.h"
+
+#include "Common/MyInitGuid.h"
+#include "Common/ComTry.h"
+#include "Windows/PropVariant.h"
+#include "../../ICoder.h"
+#include "NsisHandler.h"
+
+// {23170F69-40C1-278A-1000-000110090000}
+DEFINE_GUID(CLSID_CNsisHandler, 
+  0x23170F69, 0x40C1, 0x278A, 0x10, 0x00, 0x00, 0x01, 0x10, 0x09, 0x00, 0x00);
+
+HINSTANCE g_hInstance;
+#ifndef _UNICODE
+bool g_IsNT = false;
+static bool IsItWindowsNT()
+{
+  OSVERSIONINFO versionInfo;
+  versionInfo.dwOSVersionInfoSize = sizeof(versionInfo);
+  if (!::GetVersionEx(&versionInfo)) 
+    return false;
+  return (versionInfo.dwPlatformId == VER_PLATFORM_WIN32_NT);
+}
+#endif
+
+extern "C"
+BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID /*lpReserved*/)
+{
+  if (dwReason == DLL_PROCESS_ATTACH)
+  {
+    g_hInstance = hInstance;
+    #ifndef _UNICODE
+    g_IsNT = IsItWindowsNT();
+    #endif
+  }
+  return TRUE;
+}
+
+STDAPI CreateObject(
+    const GUID *classID, 
+    const GUID *interfaceID, 
+    void **outObject)
+{
+  COM_TRY_BEGIN
+  *outObject = 0;
+  if (*classID != CLSID_CNsisHandler)
+    return CLASS_E_CLASSNOTAVAILABLE;
+  int needIn = *interfaceID == IID_IInArchive;
+  // int needOut = *interfaceID == IID_IOutArchive;
+  if (needIn /*|| needOut */)
+  {
+    NArchive::NNsis::CHandler *temp = new NArchive::NNsis::CHandler;
+    if (needIn)
+    {
+      CMyComPtr<IInArchive> inArchive = (IInArchive *)temp;
+      *outObject = inArchive.Detach();
+    }
+    /*
+    else
+    {
+      CMyComPtr<IOutArchive> outArchive = (IOutArchive *)temp;
+      *outObject = outArchive.Detach();
+    }
+    */
+  }
+  else
+    return E_NOINTERFACE;
+  COM_TRY_END
+  return S_OK;
+}
+
+STDAPI GetHandlerProperty(PROPID propID, PROPVARIANT *value)
+{
+  NWindows::NCOM::CPropVariant propVariant;
+  switch(propID)
+  {
+    case NArchive::kName:
+      propVariant = L"Nsis";
+      break;
+    case NArchive::kClassID:
+    {
+      if ((value->bstrVal = ::SysAllocStringByteLen(
+          (const char *)&CLSID_CNsisHandler, sizeof(GUID))) != 0)
+        value->vt = VT_BSTR;
+      return S_OK;
+    }
+    case NArchive::kExtension:
+      propVariant = L"exe";
+      break;
+    case NArchive::kUpdate:
+      propVariant = false;
+      break;
+    case NArchive::kStartSignature:
+    {
+      if ((value->bstrVal = ::SysAllocStringByteLen((const char *)NArchive::NNsis::kSignature, 
+          NArchive::NNsis::kSignatureSize)) != 0)
+        value->vt = VT_BSTR;
+      return S_OK;
+    }
+    case NArchive::kAssociate:
+    {
+      propVariant = false;
+      break;
+    }
+  }
+  propVariant.Detach(value);
+  return S_OK;
+}