4.20

7zip/Compress/Shrink/DllExports.cpp

@@ -0,0 +1,64 @@
+// DLLExports.cpp
+
+#include "StdAfx.h"
+
+#include "Common/MyInitGuid.h"
+#include "Common/ComTry.h"
+#include "ShrinkDecoder.h"
+
+// {23170F69-40C1-278B-0401-010000000000}
+DEFINE_GUID(CLSID_CCompressShrinkDecoder, 
+0x23170F69, 0x40C1, 0x278B, 0x04, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00);
+
+extern "C"
+BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID /*lpReserved*/)
+{
+	return TRUE;
+}
+
+STDAPI CreateObject(const GUID *clsid, const GUID *iid, void **outObject)
+{
+  COM_TRY_BEGIN
+  *outObject = 0;
+  if (*clsid != CLSID_CCompressShrinkDecoder)
+    return CLASS_E_CLASSNOTAVAILABLE;
+  if (*iid != IID_ICompressCoder)
+    return E_NOINTERFACE;
+  CMyComPtr<ICompressCoder> coder = (ICompressCoder *)new NCompress::NShrink::CDecoder;
+  *outObject = coder.Detach();
+  COM_TRY_END
+  return S_OK;
+}
+
+STDAPI GetNumberOfMethods(UINT32 *numMethods)
+{
+  *numMethods = 1;
+  return S_OK;
+}
+
+STDAPI GetMethodProperty(UINT32 index, PROPID propID, PROPVARIANT *value)
+{
+  if (index != 0)
+    return E_INVALIDARG;
+  ::VariantClear((tagVARIANT *)value);
+  switch(propID)
+  {
+    case NMethodPropID::kID:
+    {
+      const char id[] = { 0x04, 0x01, 0x01 };
+      if ((value->bstrVal = ::SysAllocStringByteLen(id, sizeof(id))) != 0)
+        value->vt = VT_BSTR;
+      return S_OK;
+    }
+    case NMethodPropID::kName:
+      if ((value->bstrVal = ::SysAllocString(L"Shrink")) != 0)
+        value->vt = VT_BSTR;
+      return S_OK;
+    case NMethodPropID::kDecoder:
+      if ((value->bstrVal = ::SysAllocStringByteLen(
+          (const char *)&CLSID_CCompressShrinkDecoder, sizeof(GUID))) != 0)
+        value->vt = VT_BSTR;
+      return S_OK;
+  }
+  return S_OK;
+}