4.44 beta

13 files changed, 2615 insertions, 0 deletions

diff --git a/CPP/7zip/Archive/Nsis/DllExports.cpp b/CPP/7zip/Archive/Nsis/DllExports.cpp
new file mode 100755
index 00000000..f10f56ea
--- /dev/null
+++ b/CPP/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;
+}
diff --git a/CPP/7zip/Archive/Nsis/Nsis.dsp b/CPP/7zip/Archive/Nsis/Nsis.dsp
new file mode 100755
index 00000000..45ce0386
--- /dev/null
+++ b/CPP/7zip/Archive/Nsis/Nsis.dsp
@@ -0,0 +1,337 @@
+# Microsoft Developer Studio Project File - Name="Nsis" - Package Owner=<4>
+# Microsoft Developer Studio Generated Build File, Format Version 6.00
+# ** DO NOT EDIT **
+
+# TARGTYPE "Win32 (x86) Dynamic-Link Library" 0x0102
+
+CFG=Nsis - Win32 Debug
+!MESSAGE This is not a valid makefile. To build this project using NMAKE,
+!MESSAGE use the Export Makefile command and run
+!MESSAGE 
+!MESSAGE NMAKE /f "Nsis.mak".
+!MESSAGE 
+!MESSAGE You can specify a configuration when running NMAKE
+!MESSAGE by defining the macro CFG on the command line. For example:
+!MESSAGE 
+!MESSAGE NMAKE /f "Nsis.mak" CFG="Nsis - Win32 Debug"
+!MESSAGE 
+!MESSAGE Possible choices for configuration are:
+!MESSAGE 
+!MESSAGE "Nsis - Win32 Release" (based on "Win32 (x86) Dynamic-Link Library")
+!MESSAGE "Nsis - Win32 Debug" (based on "Win32 (x86) Dynamic-Link Library")
+!MESSAGE 
+
+# Begin Project
+# PROP AllowPerConfigDependencies 0
+# PROP Scc_ProjName ""
+# PROP Scc_LocalPath ""
+CPP=cl.exe
+MTL=midl.exe
+RSC=rc.exe
+
+!IF  "$(CFG)" == "Nsis - Win32 Release"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 0
+# PROP BASE Output_Dir "Release"
+# PROP BASE Intermediate_Dir "Release"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 0
+# PROP Output_Dir "Release"
+# PROP Intermediate_Dir "Release"
+# PROP Ignore_Export_Lib 1
+# PROP Target_Dir ""
+# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "TAR_EXPORTS" /YX /FD /c
+# ADD CPP /nologo /Gz /MD /W3 /GX /O1 /I "..\..\..\\" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "TAR_EXPORTS" /Yu"StdAfx.h" /FD /c
+# ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /win32
+# ADD MTL /nologo /D "NDEBUG" /mktyplib203 /win32
+# ADD BASE RSC /l 0x419 /d "NDEBUG"
+# ADD RSC /l 0x419 /d "NDEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LINK32=link.exe
+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /dll /machine:I386
+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /dll /machine:I386 /out:"C:\Program Files\7-Zip\Formats\nsis.dll" /opt:NOWIN98
+# SUBTRACT LINK32 /pdb:none
+
+!ELSEIF  "$(CFG)" == "Nsis - Win32 Debug"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 1
+# PROP BASE Output_Dir "Debug"
+# PROP BASE Intermediate_Dir "Debug"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 1
+# PROP Output_Dir "Debug"
+# PROP Intermediate_Dir "Debug"
+# PROP Ignore_Export_Lib 1
+# PROP Target_Dir ""
+# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "TAR_EXPORTS" /YX /FD /GZ /c
+# ADD CPP /nologo /Gz /MTd /W3 /Gm /GX /ZI /Od /I "..\..\..\\" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "TAR_EXPORTS" /Yu"StdAfx.h" /FD /GZ /c
+# ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /win32
+# ADD MTL /nologo /D "_DEBUG" /mktyplib203 /win32
+# ADD BASE RSC /l 0x419 /d "_DEBUG"
+# ADD RSC /l 0x419 /d "_DEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LINK32=link.exe
+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /dll /debug /machine:I386 /pdbtype:sept
+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /dll /debug /machine:I386 /out:"C:\Program Files\7-Zip\Formats\nsis.dll" /pdbtype:sept
+
+!ENDIF 
+
+# Begin Target
+
+# Name "Nsis - Win32 Release"
+# Name "Nsis - Win32 Debug"
+# Begin Group "Spec"
+
+# PROP Default_Filter ""
+# Begin Source File
+
+SOURCE=..\Archive.def
+# End Source File
+# Begin Source File
+
+SOURCE=.\DllExports.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=.\Nsis.ico
+# End Source File
+# Begin Source File
+
+SOURCE=.\resource.rc
+# End Source File
+# Begin Source File
+
+SOURCE=.\StdAfx.cpp
+# ADD CPP /Yc"StdAfx.h"
+# End Source File
+# Begin Source File
+
+SOURCE=.\StdAfx.h
+# End Source File
+# End Group
+# Begin Group "Common"
+
+# PROP Default_Filter ""
+# Begin Source File
+
+SOURCE=..\..\..\Common\Alloc.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\..\Common\Alloc.h
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\..\Common\Buffer.h
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\..\Common\IntToString.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\..\Common\IntToString.h
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\..\Common\NewHandler.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\..\Common\NewHandler.h
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\..\Common\String.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\..\Common\String.h
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\..\Common\StringConvert.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\..\Common\StringConvert.h
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\..\Common\Vector.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\..\Common\Vector.h
+# End Source File
+# End Group
+# Begin Group "Windows"
+
+# PROP Default_Filter ""
+# Begin Source File
+
+SOURCE=..\..\..\Windows\DLL.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\..\Windows\DLL.h
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\..\Windows\FileFind.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\..\Windows\FileFind.h
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\..\Windows\PropVariant.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\..\Windows\PropVariant.h
+# End Source File
+# End Group
+# Begin Group "Compress"
+
+# PROP Default_Filter ""
+# Begin Source File
+
+SOURCE=..\..\Compress\Copy\CopyCoder.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\Compress\Copy\CopyCoder.h
+# End Source File
+# End Group
+# Begin Group "Engine"
+
+# PROP Default_Filter ""
+# Begin Source File
+
+SOURCE=.\NsisDecode.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=.\NsisDecode.h
+# End Source File
+# Begin Source File
+
+SOURCE=.\NsisHandler.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=.\NsisHandler.h
+# End Source File
+# Begin Source File
+
+SOURCE=.\NsisIn.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=.\NsisIn.h
+# End Source File
+# End Group
+# Begin Group "Archive Common"
+
+# PROP Default_Filter ""
+# Begin Source File
+
+SOURCE=..\Common\CodecsPath.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=..\Common\CodecsPath.h
+# End Source File
+# Begin Source File
+
+SOURCE=..\Common\CoderLoader.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=..\Common\CoderLoader.h
+# End Source File
+# Begin Source File
+
+SOURCE=..\Common\FilterCoder.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=..\Common\FilterCoder.h
+# End Source File
+# Begin Source File
+
+SOURCE=..\Common\ItemNameUtils.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=..\Common\ItemNameUtils.h
+# End Source File
+# End Group
+# Begin Group "7zip Common"
+
+# PROP Default_Filter ""
+# Begin Source File
+
+SOURCE=..\..\Common\LimitedStreams.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\Common\LimitedStreams.h
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\Common\ProgressUtils.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\Common\ProgressUtils.h
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\Common\StreamObjects.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\Common\StreamObjects.h
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\Common\StreamUtils.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=..\..\Common\StreamUtils.h
+# End Source File
+# End Group
+# Begin Group "7z"
+
+# PROP Default_Filter ""
+# Begin Source File
+
+SOURCE=..\7z\7zMethodID.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=..\7z\7zMethodID.h
+# End Source File
+# Begin Source File
+
+SOURCE=..\7z\7zMethods.cpp
+# End Source File
+# Begin Source File
+
+SOURCE=..\7z\7zMethods.h
+# End Source File
+# End Group
+# End Target
+# End Project
diff --git a/CPP/7zip/Archive/Nsis/Nsis.dsw b/CPP/7zip/Archive/Nsis/Nsis.dsw
new file mode 100755
index 00000000..d3df6d27
--- /dev/null
+++ b/CPP/7zip/Archive/Nsis/Nsis.dsw
@@ -0,0 +1,29 @@
+Microsoft Developer Studio Workspace File, Format Version 6.00
+# WARNING: DO NOT EDIT OR DELETE THIS WORKSPACE FILE!
+
+###############################################################################
+
+Project: "Nsis"=.\Nsis.dsp - Package Owner=<4>
+
+Package=<5>
+{{{
+}}}
+
+Package=<4>
+{{{
+}}}
+
+###############################################################################
+
+Global:
+
+Package=<5>
+{{{
+}}}
+
+Package=<3>
+{{{
+}}}
+
+###############################################################################
+
diff --git a/CPP/7zip/Archive/Nsis/NsisDecode.cpp b/CPP/7zip/Archive/Nsis/NsisDecode.cpp
new file mode 100755
index 00000000..d49b2312
--- /dev/null
+++ b/CPP/7zip/Archive/Nsis/NsisDecode.cpp
@@ -0,0 +1,150 @@
+// NsisDecode.cpp
+
+#include "StdAfx.h"
+
+#include "NsisDecode.h"
+
+#include "../../Common/StreamUtils.h"
+
+#include "../7z/7zMethods.h"
+
+namespace NArchive {
+namespace NNsis {
+
+static const N7z::CMethodID k_Copy    = { { 0x0 }, 1 };
+static const N7z::CMethodID k_Deflate = { { 0x4, 0x9, 0x1 }, 3 };
+static const N7z::CMethodID k_BZip2   = { { 0x4, 0x9, 0x2 }, 3 };
+static const N7z::CMethodID k_LZMA    = { { 0x3, 0x1, 0x1 }, 3 };
+static const N7z::CMethodID k_BCJ_X86 = { { 0x3, 0x3, 0x1, 0x3 }, 4 };
+
+CDecoder::CDecoder()
+{
+  N7z::LoadMethodMap();
+}
+
+HRESULT CDecoder::Init(IInStream *inStream, NMethodType::EEnum method, bool thereIsFilterFlag, bool &useFilter)
+{
+  useFilter = false;
+  CObjectVector< CMyComPtr<ISequentialInStream> > inStreams;
+
+  if (_decoderInStream)
+    if (method != _method)
+      Release();
+  _method = method;
+  if (!_codecInStream)
+  {
+    const NArchive::N7z::CMethodID *methodID = 0;
+    switch (method)
+    {
+      case NMethodType::kCopy:
+        methodID = &k_Copy;
+        break;
+      case NMethodType::kDeflate:
+        methodID = &k_Deflate;
+        break;
+      case NMethodType::kBZip2:
+        methodID = &k_BZip2;
+        break;
+      case NMethodType::kLZMA:
+        methodID = &k_LZMA;
+        break;
+      default:
+        return E_NOTIMPL;
+    }
+    N7z::CMethodInfo methodInfo;
+    if (!N7z::GetMethodInfo(*methodID, methodInfo)) 
+      return E_NOTIMPL;
+    CMyComPtr<ICompressCoder> coder;
+    RINOK(_libraries.CreateCoder(methodInfo.FilePath, methodInfo.Decoder, &coder));
+    coder.QueryInterface(IID_ISequentialInStream, &_codecInStream);
+    if (!_codecInStream)
+      return E_NOTIMPL;
+  }
+
+  if (thereIsFilterFlag)
+  {
+    UInt32 processedSize;
+    BYTE flag;
+    RINOK(inStream->Read(&flag, 1, &processedSize));
+    if (processedSize != 1)
+      return E_FAIL;
+    if (flag > 1)
+      return E_NOTIMPL;
+    useFilter = (flag != 0);
+  }
+  
+  if (useFilter)
+  {
+    if (!_filterInStream)
+    {
+      N7z::CMethodInfo methodInfo;
+      if (!N7z::GetMethodInfo(k_BCJ_X86, methodInfo)) 
+        return E_NOTIMPL;
+      CMyComPtr<ICompressCoder> coder;
+      RINOK(_libraries.CreateCoderSpec(methodInfo.FilePath, methodInfo.Decoder, &coder));
+      coder.QueryInterface(IID_ISequentialInStream, &_filterInStream);
+      if (!_filterInStream)
+        return E_NOTIMPL;
+    }
+    CMyComPtr<ICompressSetInStream> setInStream;
+    _filterInStream.QueryInterface(IID_ICompressSetInStream, &setInStream);
+    if (!setInStream)
+      return E_NOTIMPL;
+    RINOK(setInStream->SetInStream(_codecInStream));
+    _decoderInStream = _filterInStream;
+  }
+  else
+    _decoderInStream = _codecInStream;
+
+  if (method == NMethodType::kLZMA)
+  {
+    CMyComPtr<ICompressSetDecoderProperties2> setDecoderProperties;
+    _codecInStream.QueryInterface(IID_ICompressSetDecoderProperties2, &setDecoderProperties);
+    if (setDecoderProperties)
+    {
+      static const UInt32 kPropertiesSize = 5;
+      BYTE properties[kPropertiesSize];
+      UInt32 processedSize;
+      RINOK(inStream->Read(properties, kPropertiesSize, &processedSize));
+      if (processedSize != kPropertiesSize)
+        return E_FAIL;
+      RINOK(setDecoderProperties->SetDecoderProperties2((const Byte *)properties, kPropertiesSize));
+    }
+  }
+
+  {
+    CMyComPtr<ICompressSetInStream> setInStream;
+    _codecInStream.QueryInterface(IID_ICompressSetInStream, &setInStream);
+    if (!setInStream)
+      return E_NOTIMPL;
+    RINOK(setInStream->SetInStream(inStream));
+  }
+
+  {
+    CMyComPtr<ICompressSetOutStreamSize> setOutStreamSize;
+    _codecInStream.QueryInterface(IID_ICompressSetOutStreamSize, &setOutStreamSize);
+    if (!setOutStreamSize)
+      return E_NOTIMPL;
+    RINOK(setOutStreamSize->SetOutStreamSize(NULL));
+  }
+
+  if (useFilter)
+  {
+    /*
+    CMyComPtr<ICompressSetOutStreamSize> setOutStreamSize;
+    _filterInStream.QueryInterface(IID_ICompressSetOutStreamSize, &setOutStreamSize);
+    if (!setOutStreamSize)
+      return E_NOTIMPL;
+    RINOK(setOutStreamSize->SetOutStreamSize(NULL));
+    */
+  }
+
+  return S_OK;
+}
+
+HRESULT CDecoder::Read(void *data, UInt32 size, UInt32 *processedSize)
+{
+  return ReadStream(_decoderInStream, data, size, processedSize);;
+}
+
+}}
diff --git a/CPP/7zip/Archive/Nsis/NsisDecode.h b/CPP/7zip/Archive/Nsis/NsisDecode.h
new file mode 100755
index 00000000..1bec178f
--- /dev/null
+++ b/CPP/7zip/Archive/Nsis/NsisDecode.h
@@ -0,0 +1,47 @@
+// NsisDecode.h
+
+#ifndef __NSIS_DECODE_H
+#define __NSIS_DECODE_H
+
+#include "../../IStream.h"
+
+#include "../Common/CoderLoader.h"
+
+namespace NArchive {
+namespace NNsis {
+
+namespace NMethodType
+{
+  enum EEnum
+  {
+    kCopy,
+    kDeflate,
+    kBZip2,
+    kLZMA
+  };
+}
+
+class CDecoder
+{
+  NMethodType::EEnum _method;
+  CCoderLibraries _libraries;
+
+  CMyComPtr<ISequentialInStream> _filterInStream;
+  CMyComPtr<ISequentialInStream> _codecInStream;
+  CMyComPtr<ISequentialInStream> _decoderInStream;
+
+public:
+  CDecoder();
+  void Release()
+  {
+    _filterInStream.Release();
+    _codecInStream.Release();
+    _decoderInStream.Release();
+  }
+  HRESULT Init(IInStream *inStream, NMethodType::EEnum method, bool thereIsFilterFlag, bool &useFilter);
+  HRESULT Read(void *data, UInt32 size, UInt32 *processedSize);
+};
+
+}}
+
+#endif
diff --git a/CPP/7zip/Archive/Nsis/NsisHandler.cpp b/CPP/7zip/Archive/Nsis/NsisHandler.cpp
new file mode 100755
index 00000000..0d840479
--- /dev/null
+++ b/CPP/7zip/Archive/Nsis/NsisHandler.cpp
@@ -0,0 +1,484 @@
+// NSisHandler.cpp
+
+#include "StdAfx.h"
+
+#include "NsisHandler.h"
+
+#include "Common/StringConvert.h"
+#include "Common/IntToString.h"
+#include "Common/NewHandler.h"
+#include "Common/ComTry.h"
+
+#include "Windows/PropVariant.h"
+
+#include "../Common/ItemNameUtils.h"
+
+using namespace NWindows;
+
+namespace NArchive {
+namespace NNsis {
+
+static const wchar_t *kBcjMethod = L"BCJ";
+static const wchar_t *kUnknownMethod = L"Unknown";
+
+static const wchar_t *kMethods[] = 
+{
+  L"Copy",
+  L"Deflate",
+  L"BZip2",
+  L"LZMA"
+};
+
+static const int kNumMethods = sizeof(kMethods) / sizeof(kMethods[0]);
+
+STATPROPSTG kProperties[] = 
+{
+  { NULL, kpidPath, VT_BSTR},
+  { NULL, kpidIsFolder, VT_BOOL},
+  { NULL, kpidSize, VT_UI8},
+  { NULL, kpidPackedSize, VT_UI8},
+  { NULL, kpidLastWriteTime, VT_FILETIME},
+  { NULL, kpidMethod, VT_BSTR},
+  { NULL, kpidSolid, VT_BOOL}
+};
+
+STDMETHODIMP CHandler::GetArchiveProperty(PROPID /* propID */, PROPVARIANT *value)
+{
+  value->vt = VT_EMPTY;
+  return S_OK;
+}
+
+STDMETHODIMP CHandler::GetNumberOfProperties(UInt32 *numProperties)
+{
+  *numProperties = sizeof(kProperties) / sizeof(kProperties[0]);
+  return S_OK;
+}
+
+STDMETHODIMP CHandler::GetPropertyInfo(UInt32 index, BSTR *name, PROPID *propID, VARTYPE *varType)
+{
+  if(index >= sizeof(kProperties) / sizeof(kProperties[0]))
+    return E_INVALIDARG;
+  const STATPROPSTG &srcItem = kProperties[index];
+  *propID = srcItem.propid;
+  *varType = srcItem.vt;
+  *name = 0;
+  return S_OK;
+}
+
+STDMETHODIMP CHandler::GetNumberOfArchiveProperties(UInt32 *numProperties)
+{
+  *numProperties = 0;
+  return S_OK;
+}
+
+STDMETHODIMP CHandler::GetArchivePropertyInfo(UInt32 /* index */,     
+      BSTR * /* name */, PROPID * /* propID */, VARTYPE * /* varType */)
+{
+  return E_INVALIDARG;
+}
+
+STDMETHODIMP CHandler::Open(IInStream *stream, const UInt64 * maxCheckStartPosition, IArchiveOpenCallback * /* openArchiveCallback */)
+{
+  COM_TRY_BEGIN
+  Close();
+  {
+    if(_archive.Open(stream, maxCheckStartPosition) != S_OK)
+      return S_FALSE;
+    _inStream = stream;
+  }
+  return S_OK;
+  COM_TRY_END
+}
+
+STDMETHODIMP CHandler::Close()
+{
+  _archive.Clear();
+  _archive.Release();
+  _inStream.Release();
+  return S_OK;
+}
+
+STDMETHODIMP CHandler::GetNumberOfItems(UInt32 *numItems)
+{
+  *numItems = _archive.Items.Size()
+  #ifdef NSIS_SCRIPT
+    + 1
+  #endif
+  ;
+  return S_OK;
+}
+
+static UString ConvertUInt32ToString(UInt32 value)
+{
+  wchar_t buffer[32];
+  ConvertUInt64ToString(value, buffer);
+  return buffer;
+}
+
+static UString GetStringForSizeValue(UInt32 value)
+{
+  for (int i = 31; i >= 0; i--)
+    if ((UInt32(1) << i) == value)
+      return ConvertUInt32ToString(i);
+  UString result;
+  if (value % (1 << 20) == 0)
+  {
+    result += ConvertUInt32ToString(value >> 20);
+    result += L"m";
+  }
+  else if (value % (1 << 10) == 0)
+  {
+    result += ConvertUInt32ToString(value >> 10);
+    result += L"k";
+  }
+  else
+  {
+    result += ConvertUInt32ToString(value);
+    result += L"b";
+  }
+  return result;
+}
+
+bool CHandler::GetUncompressedSize(int index, UInt32 &size)
+{
+  size = 0;
+  const CItem &item = _archive.Items[index];
+  if (item.SizeIsDefined)
+     size = item.Size;
+  else if (_archive.IsSolid && item.EstimatedSizeIsDefined)
+     size  = item.EstimatedSize;
+  else
+    return false;
+  return true;
+}
+
+bool CHandler::GetCompressedSize(int index, UInt32 &size)
+{
+  size = 0;
+  const CItem &item = _archive.Items[index];
+  if (item.CompressedSizeIsDefined)
+    size = item.CompressedSize;
+  else
+  {
+    if (_archive.IsSolid)
+    {
+      if (index == 0)
+        size = _archive.FirstHeader.GetDataSize();
+      else
+        return false;
+    }
+    else
+    {
+      if (!item.IsCompressed)
+        size = item.Size;
+      else
+        return false;
+    }
+  }
+  return true;
+}
+
+
+STDMETHODIMP CHandler::GetProperty(UInt32 index, PROPID propID, PROPVARIANT *value)
+{
+  COM_TRY_BEGIN
+  NWindows::NCOM::CPropVariant propVariant;
+  #ifdef NSIS_SCRIPT
+  if (index >= (UInt32)_archive.Items.Size())
+  {
+    switch(propID)
+    {
+      case kpidPath:
+        propVariant = L"[NSIS].nsi";
+        break;
+      case kpidIsFolder:
+        propVariant = false;
+        break;
+      case kpidSize:
+      case kpidPackedSize:
+        propVariant = (UInt64)_archive.Script.Length();
+        break;
+      case kpidSolid:
+        propVariant = false;
+        break;
+    }
+  }
+  else
+  #endif
+  {
+    const CItem &item = _archive.Items[index];
+    switch(propID)
+    {
+      case kpidPath:
+      {
+        const UString s = NItemName::WinNameToOSName(MultiByteToUnicodeString(item.GetReducedName(), CP_ACP));
+        propVariant = (const wchar_t *)s;
+        break;
+      }
+      case kpidIsFolder:
+        propVariant = false;
+        break;
+      case kpidSize:
+      {
+        UInt32 size;
+        if (GetUncompressedSize(index, size))
+          propVariant = (UInt64)size;
+        break;
+      }
+      case kpidPackedSize:
+      {
+        UInt32 size;
+        if (GetCompressedSize(index, size))
+          propVariant = (UInt64)size;
+        break;
+      }
+      case kpidLastWriteTime:
+      {
+        if (item.DateTime.dwHighDateTime > 0x01000000 && 
+            item.DateTime.dwHighDateTime < 0xFF000000)
+          propVariant = item.DateTime;
+        break;
+      }
+      case kpidMethod:
+      {
+        NMethodType::EEnum methodIndex = _archive.Method;
+        UString method;
+        if (_archive.IsSolid && _archive.UseFilter || !_archive.IsSolid && item.UseFilter)
+        {
+          method += kBcjMethod;
+          method += L" ";
+        }
+        method += (methodIndex < kNumMethods) ? kMethods[methodIndex] : kUnknownMethod;
+        if (methodIndex == NMethodType::kLZMA)
+        {
+          method += L":";
+          method += GetStringForSizeValue(_archive.IsSolid ? _archive.DictionarySize: item.DictionarySize);
+        }
+        propVariant = method;
+        break;
+      }
+      case kpidSolid:
+        propVariant = _archive.IsSolid;
+        break;
+    }
+  }
+  propVariant.Detach(value);
+  return S_OK;
+  COM_TRY_END
+}
+
+STDMETHODIMP CHandler::Extract(const UInt32* indices, UInt32 numItems,
+    Int32 _aTestMode, IArchiveExtractCallback *extractCallback)
+{
+  COM_TRY_BEGIN
+  bool testMode = (_aTestMode != 0);
+  bool allFilesMode = (numItems == UInt32(-1));
+  if (allFilesMode)
+    GetNumberOfItems(&numItems);
+  if(numItems == 0)
+    return S_OK;
+  UInt64 totalSize = 0;
+
+  UInt32 i;
+  for(i = 0; i < numItems; i++)
+  {
+    UInt32 index = (allFilesMode ? i : indices[i]);
+    #ifdef NSIS_SCRIPT
+    if (index >= (UInt32)_archive.Items.Size())
+      totalSize += _archive.Script.Length();
+    else
+    #endif
+    {
+      UInt32 size;
+      if (_archive.IsSolid)
+      {
+        GetUncompressedSize(index, size);
+        UInt64 pos = _archive.GetPosOfSolidItem(index);
+        if (pos > totalSize)
+          totalSize = pos + size;
+      }
+      else
+      {
+        GetCompressedSize(index, size);
+        totalSize += size;
+      }
+    }
+  }
+  extractCallback->SetTotal(totalSize);
+
+  UInt64 currentTotalSize = 0;
+  UInt32 currentItemSize = 0;
+
+  UInt64 streamPos = 0;
+  if (_archive.IsSolid)
+  {
+    RINOK(_inStream->Seek(_archive.StreamOffset, STREAM_SEEK_SET, NULL));
+    bool useFilter;
+    RINOK(_archive.Decoder.Init(_inStream, _archive.Method, _archive.FilterFlag, useFilter));
+  }
+
+  bool dataError = false;
+  for (i = 0; i < numItems; i++, currentTotalSize += currentItemSize)
+  {
+    currentItemSize = 0;
+    RINOK(extractCallback->SetCompleted(&currentTotalSize));
+    CMyComPtr<ISequentialOutStream> realOutStream;
+    Int32 askMode;
+    askMode = testMode ? NArchive::NExtract::NAskMode::kTest : NArchive::NExtract::NAskMode::kExtract;
+    UInt32 index = allFilesMode ? i : indices[i];
+
+    RINOK(extractCallback->GetStream(index, &realOutStream, askMode));
+
+    #ifdef NSIS_SCRIPT
+    if (index >= (UInt32)_archive.Items.Size())
+    {
+      currentItemSize = _archive.Script.Length();
+      if(!testMode && (!realOutStream))
+        continue;
+      RINOK(extractCallback->PrepareOperation(askMode));
+      if (!testMode)
+        RINOK(realOutStream->Write((const char *)_archive.Script, (UInt32)_archive.Script.Length(), NULL));
+    }
+    else
+    #endif
+    {
+      const CItem &item = _archive.Items[index];
+      
+      if (_archive.IsSolid)
+        GetUncompressedSize(index, currentItemSize);
+      else
+        GetCompressedSize(index, currentItemSize);
+      
+      if(!testMode && (!realOutStream))
+        continue;
+      
+      RINOK(extractCallback->PrepareOperation(askMode));
+      
+      if (!dataError)
+      {
+        bool needDecompress = false;
+        bool sizeIsKnown = false;
+        UInt32 fullSize = 0;
+
+        const UInt32 kBufferLength = 1 << 11;
+        Byte buffer[kBufferLength];
+        
+        if (_archive.IsSolid)
+        {
+          UInt64 pos = _archive.GetPosOfSolidItem(index);
+          while(streamPos < pos)
+          {
+            UInt32 curSize = (UInt32)MyMin(pos - streamPos, (UInt64)kBufferLength);
+            UInt32 processedSize;
+            HRESULT res = _archive.Decoder.Read(buffer, curSize, &processedSize);
+            if (res != S_OK)
+            {
+              if (res != S_FALSE)
+                return res;
+              dataError = true;
+              break;
+            }
+            if (processedSize == 0)
+            {
+              dataError = true;
+              break;
+            }
+            streamPos += processedSize;
+          }
+          if (streamPos == pos)
+          {
+            UInt32 processedSize;
+            RINOK(_archive.Decoder.Read(buffer, 4, &processedSize));
+            if (processedSize != 4)
+              return E_FAIL;
+            streamPos += processedSize;
+            fullSize = GetUInt32FromMemLE(buffer);
+            sizeIsKnown = true;
+            needDecompress = true;
+          }
+        }
+        else
+        {
+          RINOK(_inStream->Seek(_archive.GetPosOfNonSolidItem(index) + 4, STREAM_SEEK_SET, NULL));
+          if (item.IsCompressed)
+          {
+            needDecompress = true;
+            bool useFilter;
+            RINOK(_archive.Decoder.Init(_inStream, _archive.Method, _archive.FilterFlag, useFilter));
+            fullSize = GetUInt32FromMemLE(buffer);
+          }
+          else
+            fullSize = item.Size;
+        }
+        if (!dataError)
+        {
+          if (needDecompress)
+          {
+            UInt64 offset = 0;
+            while(!sizeIsKnown || fullSize > 0)
+            {
+              UInt32 curSize = kBufferLength;
+              if (sizeIsKnown && curSize > fullSize)
+                curSize = fullSize;
+              UInt32 processedSize;
+              HRESULT res = _archive.Decoder.Read(buffer, curSize, &processedSize);
+              if (res != S_OK)
+              {
+                if (res != S_FALSE)
+                  return res;
+                dataError = true;
+                break;
+              }
+              if (processedSize == 0)
+              {
+                if (sizeIsKnown)
+                  dataError = true;
+                break;
+              }
+              
+              fullSize -= processedSize;
+              streamPos += processedSize;
+              offset += processedSize;
+              
+              UInt64 completed;
+              if (_archive.IsSolid)
+                completed = streamPos;
+              else
+                completed = currentTotalSize + offset;
+              RINOK(extractCallback->SetCompleted(&completed));
+              if (!testMode)
+                RINOK(realOutStream->Write(buffer, processedSize, NULL));
+            }
+          }
+          else
+          {
+            while(fullSize > 0)
+            {
+              UInt32 curSize = MyMin(fullSize, kBufferLength);
+              UInt32 processedSize;
+              RINOK(_inStream->Read(buffer, curSize, &processedSize));
+              if (processedSize == 0)
+              {
+                dataError = true;
+                break;
+              }
+              fullSize -= processedSize;
+              streamPos += processedSize;
+              if (!testMode)
+                RINOK(realOutStream->Write(buffer, processedSize, 0));
+            }
+          }
+        }
+      }
+    }
+    if (!testMode)
+      realOutStream.Release();
+    RINOK(extractCallback->SetOperationResult(dataError ? 
+        NArchive::NExtract::NOperationResult::kDataError :
+        NArchive::NExtract::NOperationResult::kOK));
+  }
+  return S_OK;
+  COM_TRY_END
+}
+
+}}
diff --git a/CPP/7zip/Archive/Nsis/NsisHandler.h b/CPP/7zip/Archive/Nsis/NsisHandler.h
new file mode 100755
index 00000000..1ff8b776
--- /dev/null
+++ b/CPP/7zip/Archive/Nsis/NsisHandler.h
@@ -0,0 +1,41 @@
+// NSisHandler.h
+
+#ifndef __NSIS_HANDLER_H
+#define __NSIS_HANDLER_H
+
+#include "Common/MyCom.h"
+#include "../IArchive.h"
+
+#include "NsisIn.h"
+
+namespace NArchive {
+namespace NNsis {
+
+class CHandler: 
+  public IInArchive,
+  public CMyUnknownImp
+{
+  CMyComPtr<IInStream> _inStream;
+  CInArchive _archive;
+
+  bool GetUncompressedSize(int index, UInt32 &size);
+  bool GetCompressedSize(int index, UInt32 &size);
+
+public:
+  MY_UNKNOWN_IMP1(IInArchive)
+
+  STDMETHOD(Open)(IInStream *stream, const UInt64 *maxCheckStartPosition, IArchiveOpenCallback *openArchiveCallback);  
+  STDMETHOD(Close)();  
+  STDMETHOD(GetNumberOfItems)(UInt32 *numItems);  
+  STDMETHOD(GetProperty)(UInt32 index, PROPID propID, PROPVARIANT *value);
+  STDMETHOD(Extract)(const UInt32* indices, UInt32 numItems, Int32 testMode, IArchiveExtractCallback *extractCallback);
+  STDMETHOD(GetArchiveProperty)(PROPID propID, PROPVARIANT *value);
+  STDMETHOD(GetNumberOfProperties)(UInt32 *numProperties);  
+  STDMETHOD(GetPropertyInfo)(UInt32 index, BSTR *name, PROPID *propID, VARTYPE *varType);
+  STDMETHOD(GetNumberOfArchiveProperties)(UInt32 *numProperties);  
+  STDMETHOD(GetArchivePropertyInfo)(UInt32 index, BSTR *name, PROPID *propID, VARTYPE *varType);
+};
+
+}}
+
+#endif
diff --git a/CPP/7zip/Archive/Nsis/NsisIn.cpp b/CPP/7zip/Archive/Nsis/NsisIn.cpp
new file mode 100755
index 00000000..0db6ccfd
--- /dev/null
+++ b/CPP/7zip/Archive/Nsis/NsisIn.cpp
@@ -0,0 +1,1169 @@
+// Archive/NsisIn.cpp
+
+#include "StdAfx.h"
+
+#include "NsisIn.h"
+#include "NsisDecode.h"
+
+#include "Windows/Defs.h"
+
+#include "../../Common/StreamUtils.h"
+
+#include "Common/IntToString.h"
+
+namespace NArchive {
+namespace NNsis {
+
+Byte kSignature[kSignatureSize] = { 0xEF + 1, 0xBE, 0xAD, 0xDE, 
+0x4E, 0x75, 0x6C, 0x6C, 0x73, 0x6F, 0x66, 0x74, 0x49, 0x6E, 0x73, 0x74};
+
+class SignatureInitializer
+{
+public:
+  SignatureInitializer() { kSignature[0]--; };
+} g_SignatureInitializer;
+
+static const char *kCrLf = "\x0D\x0A";
+
+UInt32 GetUInt32FromMemLE(const Byte *p)
+{
+  return p[0] | (((UInt32)p[1]) << 8) | (((UInt32)p[2]) << 16) | (((UInt32)p[3]) << 24);
+}
+
+Byte CInArchive::ReadByte()
+{
+  if (_posInData >= _size)
+    throw 1;
+  return _data[_posInData++];
+}
+
+UInt32 CInArchive::ReadUInt32()
+{
+  UInt32 value = 0;
+  for (int i = 0; i < 4; i++)
+    value |= ((UInt32)(ReadByte()) << (8 * i));
+  return value;
+}
+
+void CInArchive::ReadBlockHeader(CBlockHeader &bh)
+{
+  bh.Offset = ReadUInt32();
+  bh.Num = ReadUInt32();
+}
+
+#define RINOZ(x) { int __tt = (x); if (__tt != 0) return __tt; }
+
+static int CompareItems(void *const *p1, void *const *p2, void * /* param */)
+{
+  RINOZ(MyCompare(
+    (**(const CItem **)p1).Pos, 
+    (**(const CItem **)p2).Pos));
+  return 0;
+}
+
+AString CInArchive::ReadString(UInt32 pos)
+{
+  AString s;
+  UInt32 offset = GetOffset() + _stringsPos + pos;
+  for (;;)
+  {
+    if (offset >= _size)
+      throw 1;
+    char c = _data[offset++];
+    if (c == 0)
+      break;
+    s += c;
+  }
+  return s;
+}
+
+/*
+static AString ParsePrefix(const AString &prefix)
+{
+  AString res = prefix;
+  if (prefix.Length() >= 3)
+  {
+    if ((Byte)prefix[0] == 0xFD && (Byte)prefix[1] == 0x95 && (Byte)prefix[2] == 0x80)
+      res = "$INSTDIR" + prefix.Mid(3);
+    else if ((Byte)prefix[0] == 0xFD && (Byte)prefix[1] == 0x96 && (Byte)prefix[2] == 0x80)
+      res = "$OUTDIR" + prefix.Mid(3);
+  }
+  return res;
+}
+*/
+
+#define SYSREGKEY "Software\\Microsoft\\Windows\\CurrentVersion"
+
+/*
+#  define CSIDL_PROGRAMS 0x2
+#  define CSIDL_PRINTERS 0x4
+#  define CSIDL_PERSONAL 0x5
+#  define CSIDL_FAVORITES 0x6
+#  define CSIDL_STARTUP 0x7
+#  define CSIDL_RECENT 0x8
+#  define CSIDL_SENDTO 0x9
+#  define CSIDL_STARTMENU 0xB
+#  define CSIDL_MYMUSIC 0xD
+#  define CSIDL_MYVIDEO 0xE
+
+#  define CSIDL_DESKTOPDIRECTORY 0x10
+#  define CSIDL_NETHOOD 0x13
+#  define CSIDL_FONTS 0x14
+#  define CSIDL_TEMPLATES 0x15
+#  define CSIDL_COMMON_STARTMENU 0x16
+#  define CSIDL_COMMON_PROGRAMS 0x17
+#  define CSIDL_COMMON_STARTUP 0x18
+#  define CSIDL_COMMON_DESKTOPDIRECTORY 0x19
+#  define CSIDL_APPDATA 0x1A
+#  define CSIDL_PRINTHOOD 0x1B
+#  define CSIDL_LOCAL_APPDATA 0x1C
+#  define CSIDL_ALTSTARTUP 0x1D
+#  define CSIDL_COMMON_ALTSTARTUP 0x1E
+#  define CSIDL_COMMON_FAVORITES 0x1F
+
+#  define CSIDL_INTERNET_CACHE 0x20
+#  define CSIDL_COOKIES 0x21
+#  define CSIDL_HISTORY 0x22
+#  define CSIDL_COMMON_APPDATA 0x23
+#  define CSIDL_WINDOWS 0x24
+#  define CSIDL_SYSTEM 0x25
+#  define CSIDL_PROGRAM_FILES 0x26
+#  define CSIDL_MYPICTURES 0x27
+#  define CSIDL_PROFILE 0x28
+#  define CSIDL_PROGRAM_FILES_COMMON 0x2B
+#  define CSIDL_COMMON_TEMPLATES 0x2D
+#  define CSIDL_COMMON_DOCUMENTS 0x2E
+#  define CSIDL_COMMON_ADMINTOOLS 0x2F
+
+#  define CSIDL_ADMINTOOLS 0x30
+#  define CSIDL_COMMON_MUSIC 0x35
+#  define CSIDL_COMMON_PICTURES 0x36
+#  define CSIDL_COMMON_VIDEO 0x37
+#  define CSIDL_RESOURCES 0x38
+#  define CSIDL_RESOURCES_LOCALIZED 0x39
+#  define CSIDL_CDBURN_AREA 0x3B
+*/
+
+struct CCommandPair
+{
+  int NumParams;
+  const char *Name;
+};
+
+enum
+{
+  // 0
+  EW_INVALID_OPCODE,    // zero is invalid. useful for catching errors. (otherwise an all zeroes instruction
+                        // does nothing, which is easily ignored but means something is wrong.
+  EW_RET,               // return from function call
+  EW_NOP,               // Nop/Jump, do nothing: 1, [?new address+1:advance one]
+  EW_ABORT,             // Abort: 1 [status]
+  EW_QUIT,              // Quit: 0
+  EW_CALL,              // Call: 1 [new address+1]
+  EW_UPDATETEXT,        // Update status text: 2 [update str, ui_st_updateflag=?ui_st_updateflag:this]
+  EW_SLEEP,             // Sleep: 1 [sleep time in milliseconds]
+  EW_BRINGTOFRONT,      // BringToFront: 0
+  EW_CHDETAILSVIEW,     // SetDetailsView: 2 [listaction,buttonaction]
+  
+  // 10
+  EW_SETFILEATTRIBUTES, // SetFileAttributes: 2 [filename, attributes]
+  EW_CREATEDIR,         // Create directory: 2, [path, ?update$INSTDIR]
+  EW_IFFILEEXISTS,      // IfFileExists: 3, [file name, jump amount if exists, jump amount if not exists]
+  EW_SETFLAG,           // Sets a flag: 2 [id, data]
+  EW_IFFLAG,            // If a flag: 4 [on, off, id, new value mask]
+  EW_GETFLAG,           // Gets a flag: 2 [output, id]
+  EW_RENAME,            // Rename: 3 [old, new, rebootok]
+  EW_GETFULLPATHNAME,   // GetFullPathName: 2 [output, input, ?lfn:sfn]
+  EW_SEARCHPATH,        // SearchPath: 2 [output, filename]
+  EW_GETTEMPFILENAME,   // GetTempFileName: 2 [output, base_dir]
+  
+  // 20
+  EW_EXTRACTFILE,       // File to extract: 6 [overwriteflag, output filename, compressed filedata, filedatetimelow, filedatetimehigh, allow ignore]
+                        //  overwriteflag: 0x1 = no. 0x0=force, 0x2=try, 0x3=if date is newer
+  EW_DELETEFILE,        // Delete File: 2, [filename, rebootok]
+  EW_MESSAGEBOX,        // MessageBox: 5,[MB_flags,text,retv1:retv2,moveonretv1:moveonretv2]
+  EW_RMDIR,             // RMDir: 2 [path, recursiveflag]
+  EW_STRLEN,            // StrLen: 2 [output, input]
+  EW_ASSIGNVAR,         // Assign: 4 [variable (0-9) to assign, string to assign, maxlen, startpos]
+  EW_STRCMP,            // StrCmp: 5 [str1, str2, jump_if_equal, jump_if_not_equal, case-sensitive?]
+  EW_READENVSTR,        // ReadEnvStr/ExpandEnvStrings: 3 [output, string_with_env_variables, IsRead]
+  EW_INTCMP,            // IntCmp: 6 [val1, val2, equal, val1<val2, val1>val2, unsigned?]
+  EW_INTOP,             // IntOp: 4 [output, input1, input2, op] where op: 0=add, 1=sub, 2=mul, 3=div, 4=bor, 5=band, 6=bxor, 7=bnot input1, 8=lnot input1, 9=lor, 10=land], 11=1%2
+  
+  // 30
+  EW_INTFMT,            // IntFmt: [output, format, input]
+  EW_PUSHPOP,           // Push/Pop/Exchange: 3 [variable/string, ?pop:push, ?exch]
+  EW_FINDWINDOW,        // FindWindow: 5, [outputvar, window class,window name, window_parent, window_after]
+  EW_SENDMESSAGE,       // SendMessage: 6 [output, hwnd, msg, wparam, lparam, [wparamstring?1:0 | lparamstring?2:0 | timeout<<2]
+  EW_ISWINDOW,          // IsWindow: 3 [hwnd, jump_if_window, jump_if_notwindow]
+  EW_GETDLGITEM,        // GetDlgItem:        3: [outputvar, dialog, item_id]
+  EW_SETCTLCOLORS,      // SerCtlColors:      3: [hwnd, pointer to struct colors]
+  EW_SETBRANDINGIMAGE,  // SetBrandingImage:  1: [Bitmap file]
+  EW_CREATEFONT,        // CreateFont:        5: [handle output, face name, height, weight, flags]
+  EW_SHOWWINDOW,        // ShowWindow:        2: [hwnd, show state]
+  
+  // 40
+  EW_SHELLEXEC,         // ShellExecute program: 4, [shell action, complete commandline, parameters, showwindow]
+  EW_EXECUTE,           // Execute program: 3,[complete command line,waitflag,>=0?output errorcode]
+  EW_GETFILETIME,       // GetFileTime; 3 [file highout lowout]
+  EW_GETDLLVERSION,     // GetDLLVersion: 3 [file highout lowout]
+  EW_REGISTERDLL,       // Register DLL: 3,[DLL file name, string ptr of function to call, text to put in display (<0 if none/pass parms), 1 - no unload, 0 - unload]
+  EW_CREATESHORTCUT,    // Make Shortcut: 5, [link file, target file, parameters, icon file, iconindex|show mode<<8|hotkey<<16]
+  EW_COPYFILES,         // CopyFiles: 3 [source mask, destination location, flags]
+  EW_REBOOT,            // Reboot: 0
+  EW_WRITEINI,          // Write INI String: 4, [Section, Name, Value, INI File]
+  EW_READINISTR,        // ReadINIStr: 4 [output, section, name, ini_file]
+  
+  // 50
+  EW_DELREG,            // DeleteRegValue/DeleteRegKey: 4, [root key(int), KeyName, ValueName, delkeyonlyifempty]. ValueName is -1 if delete key
+  EW_WRITEREG,          // Write Registry value: 5, [RootKey(int),KeyName,ItemName,ItemData,typelen]
+                        //  typelen=1 for str, 2 for dword, 3 for binary, 0 for expanded str
+  EW_READREGSTR,        // ReadRegStr: 5 [output, rootkey(int), keyname, itemname, ==1?int::str]
+  EW_REGENUM,           // RegEnum: 5 [output, rootkey, keyname, index, ?key:value]
+  EW_FCLOSE,            // FileClose: 1 [handle]
+  EW_FOPEN,             // FileOpen: 4  [name, openmode, createmode, outputhandle]
+  EW_FPUTS,             // FileWrite: 3 [handle, string, ?int:string]
+  EW_FGETS,             // FileRead: 4  [handle, output, maxlen, ?getchar:gets]
+  EW_FSEEK,             // FileSeek: 4  [handle, offset, mode, >=0?positionoutput]
+  EW_FINDCLOSE,         // FindClose: 1 [handle]
+  
+  // 60
+  EW_FINDNEXT,          // FindNext: 2  [output, handle]
+  EW_FINDFIRST,         // FindFirst: 2 [filespec, output, handleoutput]
+  EW_WRITEUNINSTALLER,  // WriteUninstaller: 3 [name, offset, icon_size]
+  EW_LOG,               // LogText: 2 [0, text] / LogSet: [1, logstate]
+  EW_SECTIONSET,        // SectionSetText:    3: [idx, 0, text]
+                        // SectionGetText:    3: [idx, 1, output]
+                        // SectionSetFlags:   3: [idx, 2, flags]
+                        // SectionGetFlags:   3: [idx, 3, output]
+  EW_INSTTYPESET,       // InstTypeSetFlags:  3: [idx, 0, flags]
+                        // InstTypeGetFlags:  3: [idx, 1, output]
+  // instructions not actually implemented in exehead, but used in compiler.
+  EW_GETLABELADDR,      // both of these get converted to EW_ASSIGNVAR
+  EW_GETFUNCTIONADDR,
+
+  EW_LOCKWINDOW
+};
+
+static CCommandPair kCommandPairs[] = 
+{
+  { 0, "Invalid" },
+  { 0, "Return" },
+  { 1, "Goto" },
+  { 0, "Abort" },
+  { 0, "Quit" },
+  { 1, "Call" },
+  { 2, "UpdateSatusText" },
+  { 1, "Sleep" },
+  { 0, "BringToFront" },
+  { 2, "SetDetailsView" },
+
+  { 2, "SetFileAttributes" },
+  { 2, "SetOutPath" },
+  { 3, "IfFileExists" },
+  { 2, "SetFlag" },
+  { 4, "IfFlag" },
+  { 2, "GetFlag" },
+  { 3, "Rename" },
+  { 2, "GetFullPathName" },
+  { 2, "SearchPath" },
+  { 2, "GetTempFileName" },
+
+  { 6, "File" },
+  { 2, "Delete" },
+  { 5, "MessageBox" },
+  { 2, "RMDir" },
+  { 2, "Assign" },
+  { 4, "StrCpy" },
+  { 5, "StrCmp" },
+  { 3, "ReadEnvStr" },
+  { 6, "IntCmp" },
+  { 4, "IntOp" },
+
+  { 3, "IntFmt" },
+  { 3, "PushPop" },
+  { 5, "FindWindow" },
+  { 6, "SendMessage" },
+  { 3, "IsWindow" },
+  { 3, "GetDlgItem" },
+  { 3, "SerCtlColors" },
+  { 1, "SetBrandingImage" },
+  { 5, "CreateFont" },
+  { 2, "ShowWindow" },
+
+  { 4, "ShellExecute" },
+  { 3, "Execute" },
+  { 3, "GetFileTime" },
+  { 3, "GetDLLVersion" },
+  { 3, "RegisterDLL" },
+  { 5, "CreateShortCut" },
+  { 3, "CopyFiles" },
+  { 0, "Reboot" },
+  { 4, "WriteINIStr" },
+  { 4, "ReadINIStr" },
+
+  { 4, "DelReg" },
+  { 5, "WriteReg" },
+  { 5, "ReadRegStr" },
+  { 5, "RegEnum" },
+  { 1, "FileClose" },
+  { 4, "FileOpen" },
+  { 3, "FileWrite" },
+  { 4, "FileRead" },
+  { 4, "FileSeek" },
+  { 1, "FindClose" },
+
+  { 2, "FindNext" },
+  { 2, "FindFirst" },
+  { 3, "WriteUninstaller" },
+  { 2, "LogText" },
+  { 3, "Section?etText" },
+  { 3, "InstType?etFlags" },
+  { 6, "GetLabelAddr" },
+  { 2, "GetFunctionAddress" },
+  { 6, "LockWindow" }
+};
+
+
+static const char *kShellStrings[] = 
+{
+  "",
+  "",
+
+  "SMPROGRAMS",
+  "",
+  "PRINTERS",
+  "DOCUMENTS",
+  "FAVORITES",
+  "SMSTARTUP",
+  "RECENT",
+  "SENDTO",
+  "",
+  "STARTMENU",
+  "",
+  "MUSIC",
+  "VIDEO",
+  "",
+
+  "DESKTOP",
+  "",
+  "",
+  "NETHOOD",
+  "FONTS",
+  "TEMPLATES",
+  "COMMONSTARTMENU",
+  "COMMONFILES",
+  "COMMON_STARTUP",
+  "COMMON_DESKTOPDIRECTORY",
+  "QUICKLAUNCH",
+  "PRINTHOOD",
+  "LOCALAPPDATA",
+  "ALTSTARTUP",
+  "ALTSTARTUP",
+  "FAVORITES",
+
+  "INTERNET_CACHE",
+  "COOKIES",
+  "HISTORY",
+  "APPDATA",
+  "WINDIR",
+  "SYSDIR",
+  "PROGRAMFILES",
+  "PICTURES",
+  "PROFILE",
+  "",
+  "",
+  "COMMONFILES",
+  "",
+  "TEMPLATES",
+  "DOCUMENTS",
+  "ADMINTOOLS",
+
+  "ADMINTOOLS",
+  "",
+  "",
+  "",
+  "",
+  "MUSIC",
+  "PICTURES",
+  "VIDEO",
+  "RESOURCES",
+  "RESOURCES_LOCALIZED",
+  "",
+  "CDBURN_AREA"
+};
+
+static const int kNumShellStrings = sizeof(kShellStrings) / sizeof(kShellStrings[0]);
+
+/*
+# define CMDLINE 20 // everything before here doesn't have trailing slash removal
+# define INSTDIR 21
+# define OUTDIR 22
+# define EXEDIR 23
+# define LANGUAGE 24
+# define TEMP   25
+# define PLUGINSDIR 26
+# define HWNDPARENT 27
+# define _CLICK 28
+# define _OUTDIR 29
+*/
+
+static const char *kVarStrings[] = 
+{
+  "CMDLINE",
+  "INSTDIR",
+  "OUTDIR",
+  "EXEDIR",
+  "LANGUAGE",
+  "TEMP",
+  "PLUGINSDIR",
+  "HWNDPARENT",
+  "_CLICK",
+  "_OUTDIR"
+};
+
+static const int kNumVarStrings = sizeof(kVarStrings) / sizeof(kVarStrings[0]);
+
+
+static AString UIntToString(UInt32 v)
+{
+  char sz[32];
+  ConvertUInt64ToString(v, sz);
+  return sz;
+}
+
+static AString IntToString(Int32 v)
+{
+  char sz[32];
+  ConvertInt64ToString(v, sz);
+  return sz;
+}
+
+static AString GetVar(UInt32 index)
+{
+  AString res = "$";
+  if (index < 10)
+    res += UIntToString(index);
+  else if (index < 20)
+  {
+    res += "R";
+    res += UIntToString(index - 10);
+  }
+  else if (index < 20 + kNumVarStrings)
+    res += kVarStrings[index - 20];
+  else
+  {
+    res += "[";
+    res += UIntToString(index);
+    res += "]";
+  }
+  return res;
+}
+
+// $0..$9, $INSTDIR, etc are encoded as ASCII bytes starting from this value.
+#define NS_SKIP_CODE  252
+#define NS_VAR_CODE   253
+#define NS_SHELL_CODE 254
+#define NS_LANG_CODE  255
+#define NS_CODES_START NS_SKIP_CODE
+
+// Based on Dave Laundon's simplified process_string
+AString GetNsisString(const AString &s)
+{
+  AString res;
+  for (int i = 0; i < s.Length();)
+  {
+    unsigned char nVarIdx = s[i++];
+    if (nVarIdx > NS_CODES_START && i + 2 <= s.Length())
+    {
+      int nData = s[i++] & 0x7F;
+      unsigned char c1 = s[i++];
+      nData |= (((int)(c1 & 0x7F)) << 7);
+
+      if (nVarIdx == NS_SHELL_CODE)
+      {
+        UInt32 index = c1;
+        bool needPrint = true;
+        res += "$";
+        if (index < kNumShellStrings)
+        {
+          const char *sz = kShellStrings[index];
+          if (sz[0] != 0)
+          {
+            res += sz;
+            needPrint = false;
+          }
+        }
+        if (needPrint)
+        {
+          res += "SHELL[";
+          res += UIntToString(index);
+          res += "]";
+        }
+      }
+      else if (nVarIdx == NS_VAR_CODE)
+        res += GetVar(nData);
+      else if (nVarIdx == NS_LANG_CODE)
+        res += "NS_LANG_CODE";
+    }
+    else if (nVarIdx == NS_SKIP_CODE)
+    {
+      if (i < s.Length())
+        res += s[i++];
+    }
+    else // Normal char
+      res += (char)nVarIdx;
+  }
+  return res;
+}
+
+AString CInArchive::ReadString2(UInt32 pos)
+{
+  return GetNsisString(ReadString(pos));
+}
+
+#define DEL_DIR 1
+#define DEL_RECURSE 2
+#define DEL_REBOOT 4
+// #define DEL_SIMPLE 8
+
+static const int kNumEntryParams = 6;
+
+struct CEntry
+{
+  UInt32 Which;
+  UInt32 Params[kNumEntryParams];
+  AString GetParamsString(int numParams);
+  CEntry()
+  {
+    Which = 0;
+    for (UInt32 j = 0; j < kNumEntryParams; j++)
+      Params[j] = 0;
+  }
+};
+
+AString CEntry::GetParamsString(int numParams)
+{
+  AString s;
+  for (int i = 0; i < numParams; i++)
+  {
+    s += " ";
+    UInt32 v = Params[i];
+    if (v > 0xFFF00000)
+      s += IntToString((Int32)Params[i]);
+    else
+      s += UIntToString(Params[i]);
+  }
+  return s;
+}
+
+HRESULT CInArchive::ReadEntries(const CBlockHeader &bh)
+{
+  _posInData = bh.Offset + GetOffset();
+  AString prefix;
+  for (UInt32 i = 0; i < bh.Num; i++)
+  {
+    CEntry e;
+    e.Which = ReadUInt32();
+    for (UInt32 j = 0; j < kNumEntryParams; j++)
+      e.Params[j] = ReadUInt32();
+    #ifdef NSIS_SCRIPT
+    if (e.Which != EW_PUSHPOP && e.Which < sizeof(kCommandPairs) / sizeof(kCommandPairs[0]))
+    {
+      const CCommandPair &pair = kCommandPairs[e.Which];
+      Script += pair.Name;
+    }
+    #endif
+
+    switch (e.Which)
+    {
+      case EW_CREATEDIR:
+      {
+        prefix.Empty();
+        prefix = ReadString2(e.Params[0]);
+        #ifdef NSIS_SCRIPT
+        Script += " ";
+        Script += prefix;
+        #endif
+        break;
+      }
+
+      case EW_EXTRACTFILE:
+      {
+        CItem item;
+        item.Prefix = prefix;
+        /* UInt32 overwriteFlag = e.Params[0]; */
+        item.Name = ReadString2(e.Params[1]);
+        item.Pos = e.Params[2];
+        item.DateTime.dwLowDateTime = e.Params[3];
+        item.DateTime.dwHighDateTime = e.Params[4];
+        /* UInt32 allowIgnore = e.Params[5]; */
+        if (Items.Size() > 0)
+        {
+          /*
+          if (item.Pos == Items.Back().Pos)
+            continue;
+          */
+        }
+        Items.Add(item);
+        #ifdef NSIS_SCRIPT
+        Script += " ";
+        Script += item.Name;
+        #endif
+        break;
+      }
+
+
+      #ifdef NSIS_SCRIPT
+      case EW_UPDATETEXT:
+      {
+        Script += " ";
+        Script += ReadString2(e.Params[0]);
+        Script += " ";
+        Script += UIntToString(e.Params[1]);
+        break;
+      }
+      case EW_SETFILEATTRIBUTES:
+      {
+        Script += " ";
+        Script += ReadString2(e.Params[0]);
+        Script += " ";
+        Script += UIntToString(e.Params[1]);
+        break;
+      }
+      case EW_IFFILEEXISTS:
+      {
+        Script += " ";
+        Script += ReadString2(e.Params[0]);
+        Script += " ";
+        Script += UIntToString(e.Params[1]);
+        Script += " ";
+        Script += UIntToString(e.Params[2]);
+        break;
+      }
+      case EW_RENAME:
+      {
+        Script += " ";
+        Script += ReadString2(e.Params[0]);
+        Script += " ";
+        Script += ReadString2(e.Params[1]);
+        Script += " ";
+        Script += UIntToString(e.Params[2]);
+        break;
+      }
+      case EW_GETFULLPATHNAME:
+      {
+        Script += " ";
+        Script += ReadString2(e.Params[0]);
+        Script += " ";
+        Script += ReadString2(e.Params[1]);
+        Script += " ";
+        Script += UIntToString(e.Params[2]);
+        break;
+      }
+      case EW_SEARCHPATH:
+      {
+        Script += " ";
+        Script += ReadString2(e.Params[0]);
+        Script += " ";
+        Script += ReadString2(e.Params[1]);
+        break;
+      }
+      case EW_GETTEMPFILENAME:
+      {
+        AString s;
+        Script += " ";
+        Script += ReadString2(e.Params[0]);
+        Script += " ";
+        Script += ReadString2(e.Params[1]);
+        break;
+      }
+
+      case EW_DELETEFILE:
+      {
+        UInt64 flag = e.Params[1];
+        if (flag != 0)
+        {
+          Script += " ";
+          if (flag == DEL_REBOOT)
+            Script += "/REBOOTOK";
+          else
+            Script += UIntToString(e.Params[1]);
+        }
+        Script += " ";
+        Script += ReadString2(e.Params[0]);
+        break;
+      }
+      case EW_RMDIR:
+      {
+        UInt64 flag = e.Params[1];
+        if (flag != 0)
+        {
+          if ((flag & DEL_REBOOT) != 0)
+            Script += " /REBOOTOK";
+          if ((flag & DEL_RECURSE) != 0)
+            Script += " /r";
+        }
+        Script += " ";
+        Script += ReadString2(e.Params[0]);
+        break;
+      }
+      case EW_ASSIGNVAR:
+      {
+        Script += " ";
+        Script += GetVar(e.Params[0]);;
+        Script += " \"";
+        AString maxLen, startOffset;
+        Script += ReadString2(e.Params[1]);
+        Script += "\"";
+        if (e.Params[2] != 0)
+          maxLen = ReadString(e.Params[2]);
+        if (e.Params[3] != 0)
+          startOffset = ReadString(e.Params[3]);
+        if (!maxLen.IsEmpty() || !startOffset.IsEmpty())
+        {
+          Script += " ";
+          if (maxLen.IsEmpty())
+            Script += "\"\"";
+          else
+            Script += maxLen;
+          if (!startOffset.IsEmpty())
+          {
+            Script += " ";
+            Script += startOffset;
+          }
+        }
+        break;
+      }
+      case EW_STRCMP:
+      {
+        Script += " ";
+
+        Script += " \"";
+        Script += ReadString2(e.Params[0]);
+        Script += "\"";
+        
+        Script += " \"";
+        Script += ReadString2(e.Params[1]);
+        Script += "\"";
+
+        for (int j = 2; j < 5; j++)
+        {
+          Script += " ";
+          Script += UIntToString(e.Params[j]);
+        }
+        break;
+      }
+
+      case EW_PUSHPOP:
+      {
+        int isPop = (e.Params[1] != 0);
+        if (isPop)
+        {
+          Script += "Pop";
+          Script += " ";
+          Script += GetVar(e.Params[0]);;
+        }
+        else
+        {
+          int isExch = (e.Params[2] != 0);
+          if (isExch)
+          {
+            Script += "Exch";
+          }
+          else
+          {
+            Script += "Push";
+            Script += " ";
+            Script += ReadString2(e.Params[0]);
+          }
+        }
+        break;
+      }
+
+      /*
+      case EW_SENDMESSAGE:
+      {
+        Script += " ";
+        Script += IntToString(e.Params[0]);
+        Script += " ";
+        Script += GetVar(e.Params[1]);
+        Script += " ";
+        Script += ReadString2(e.Params[2]);
+        Script += " ";
+        Script += UIntToString(e.Params[3]);
+        Script += " ";
+        Script += IntToString(e.Params[4]);
+        Script += " ";
+        Script += UIntToString(e.Params[5]);
+        break;
+      }
+      */
+
+      case EW_REGISTERDLL:
+      {
+        Script += " ";
+        Script += ReadString2(e.Params[0]);
+        Script += " ";
+        Script += ReadString2(e.Params[1]);
+        Script += " ";
+        Script += UIntToString(e.Params[2]);
+        break;
+      }
+
+      case EW_CREATESHORTCUT:
+      {
+        AString s;
+
+        Script += " ";
+        Script += " \"";
+        Script += ReadString2(e.Params[0]);
+        Script += " \"";
+
+        Script += " ";
+        Script += " \"";
+        Script += ReadString2(e.Params[1]);
+        Script += " \"";
+
+        for (int j = 2; j < 5; j++)
+        {
+          Script += " ";
+          Script += UIntToString(e.Params[j]);
+        }
+        break;
+      }
+
+      /*
+      case EW_DELREG:
+      {
+        AString keyName, valueName;
+        keyName = ReadString2(e.Params[1]);
+        bool isValue = (e.Params[2] != -1);
+        if (isValue)
+        {
+          valueName = ReadString2(e.Params[2]);
+          Script += "Key";
+        }
+        else
+          Script += "Value";
+        Script += " ";
+        Script += UIntToString(e.Params[0]);
+        Script += " ";
+        Script += keyName;
+        if (isValue)
+        {
+          Script += " ";
+          Script += valueName;
+        }
+        Script += " ";
+        Script += UIntToString(e.Params[3]);
+        break;
+      }
+      */
+
+      case EW_WRITEUNINSTALLER:
+      {
+        Script += " ";
+        Script += ReadString2(e.Params[0]);
+        for (int j = 1; j < 3; j++)
+        {
+          Script += " ";
+          Script += UIntToString(e.Params[j]);
+        }
+        break;
+      }
+
+      default:
+      {
+        int numParams = kNumEntryParams;
+        if (e.Which < sizeof(kCommandPairs) / sizeof(kCommandPairs[0]))
+        {
+          const CCommandPair &pair = kCommandPairs[e.Which];
+          // Script += pair.Name;
+          numParams = pair.NumParams;
+        }
+        else
+        {
+          Script += "Unknown";
+          Script += UIntToString(e.Which);
+        }
+        Script += e.GetParamsString(numParams);
+      }
+      #endif
+    }
+    #ifdef NSIS_SCRIPT
+    Script += kCrLf;
+    #endif
+  }
+
+  {
+    Items.Sort(CompareItems, 0);
+    int i;
+    for (i = 0; i + 1 < Items.Size();)
+    {
+      if (Items[i].Pos == Items[i + 1].Pos)
+        Items.Delete(i + 1);
+      else
+        i++;
+    }
+    for (i = 0; i + 1 < Items.Size(); i++)
+    {
+      CItem &item = Items[i];
+      item.EstimatedSizeIsDefined = true;
+      item.EstimatedSize = Items[i + 1].Pos - item.Pos - 4;
+    }
+    if (!IsSolid)
+    {
+      for (i = 0; i < Items.Size(); i++)
+      {
+        CItem &item = Items[i];
+        RINOK(_stream->Seek(GetPosOfNonSolidItem(i), STREAM_SEEK_SET, NULL));
+        const UInt32 kSigSize = 4 + 1 + 5;
+        BYTE sig[kSigSize];
+        UInt32 processedSize;
+        RINOK(ReadStream(_stream, sig, kSigSize, &processedSize));
+        if (processedSize < 4)
+          return S_FALSE;
+        UInt32 size = GetUInt32FromMemLE(sig);
+        if ((size & 0x80000000) != 0)
+        {
+          item.IsCompressed = true;
+          // is compressed;
+          size &= ~0x80000000;
+          if (Method == NMethodType::kLZMA)
+          {
+            if (processedSize < 9)
+              return S_FALSE;
+            if (FilterFlag)
+              item.UseFilter = (sig[4] != 0);
+            item.DictionarySize = GetUInt32FromMemLE(sig + 5 + (FilterFlag ? 1 : 0));
+          }
+        }
+        else
+        {
+          item.IsCompressed = false;
+          item.Size = size;
+          item.SizeIsDefined = true;
+        }
+        item.CompressedSize = size;
+        item.CompressedSizeIsDefined = true;
+      }
+    }
+  }
+  return S_OK;
+}
+
+HRESULT CInArchive::Parse()
+{
+  // UInt32 offset = ReadUInt32();
+  // ???? offset == FirstHeader.HeaderLength
+  /* UInt32 ehFlags = */ ReadUInt32();
+  CBlockHeader bhPages, bhSections, bhEntries, bhStrings, bhLangTables, bhCtlColors, bhData;
+  // CBlockHeader bgFont;
+  ReadBlockHeader(bhPages);
+  ReadBlockHeader(bhSections);
+  ReadBlockHeader(bhEntries);
+  ReadBlockHeader(bhStrings);
+  ReadBlockHeader(bhLangTables);
+  ReadBlockHeader(bhCtlColors);
+  // ReadBlockHeader(bgFont);
+  ReadBlockHeader(bhData);
+
+  _stringsPos = bhStrings.Offset;
+
+  return ReadEntries(bhEntries);
+}
+
+static bool IsLZMA(const Byte *p, UInt32 &dictionary)
+{
+  dictionary = GetUInt32FromMemLE(p + 1);
+  return (p[0] == 0x5D && p[1] == 0x00 && p[2] == 0x00 && p[5] == 0x00);
+}
+
+static bool IsLZMA(const Byte *p, UInt32 &dictionary, bool &thereIsFlag)
+{
+  if (IsLZMA(p, dictionary))
+  {
+    thereIsFlag = false;
+    return true;
+  }
+  if (IsLZMA(p + 1, dictionary))
+  {
+    thereIsFlag = true;
+    return true;
+  }
+  return false;
+}
+
+HRESULT CInArchive::Open2()
+{
+  RINOK(_stream->Seek(0, STREAM_SEEK_CUR, &StreamOffset));
+
+  const UInt32 kSigSize = 4 + 1 + 5 + 1; // size, flag, lzma props, lzma first byte
+  BYTE sig[kSigSize];
+  UInt32 processedSize;
+  RINOK(ReadStream(_stream, sig, kSigSize, &processedSize));
+  if (processedSize != kSigSize)
+    return S_FALSE;
+  UInt64 position;
+  RINOK(_stream->Seek(StreamOffset, STREAM_SEEK_SET, &position));
+
+  _headerIsCompressed = true;
+  IsSolid = true;
+  FilterFlag = false;
+
+  UInt32 compressedHeaderSize = GetUInt32FromMemLE(sig);
+  
+  if (compressedHeaderSize == FirstHeader.HeaderLength)
+  {
+    _headerIsCompressed = false;
+    IsSolid = false;
+    Method = NMethodType::kCopy;
+  }
+  else if (IsLZMA(sig, DictionarySize, FilterFlag))
+  {
+    Method = NMethodType::kLZMA;
+  }
+  else if (IsLZMA(sig + 4, DictionarySize, FilterFlag))
+  {
+    IsSolid = false;
+    Method = NMethodType::kLZMA;
+  }
+  else if (sig[3] == 0x80)
+  {
+    IsSolid = false;
+    Method = NMethodType::kDeflate;
+  }
+  else
+  {
+    Method = NMethodType::kDeflate;
+  }
+
+  _posInData = 0;
+  if (!IsSolid)
+  {
+    _headerIsCompressed = ((compressedHeaderSize & 0x80000000) != 0);
+    if (_headerIsCompressed)
+      compressedHeaderSize &= ~0x80000000;
+    _nonSolidStartOffset = compressedHeaderSize;
+    RINOK(_stream->Seek(StreamOffset + 4, STREAM_SEEK_SET, NULL));
+  }
+  UInt32 unpackSize = FirstHeader.HeaderLength;
+  if (_headerIsCompressed)
+  {
+    // unpackSize = (1 << 23);
+    _data.SetCapacity(unpackSize);
+    RINOK(Decoder.Init(_stream, Method, FilterFlag, UseFilter));
+    UInt32 processedSize;
+    RINOK(Decoder.Read(_data, unpackSize, &processedSize));
+    if (processedSize != unpackSize)
+      return S_FALSE;
+    _size = (size_t)processedSize;
+    if (IsSolid)
+    {
+      UInt32 size2 = ReadUInt32();
+      if (size2 < _size)
+        _size = size2;
+    }
+  }
+  else
+  {
+    _data.SetCapacity(unpackSize);
+    _size = (size_t)unpackSize;
+    RINOK(ReadStream(_stream, (Byte *)_data, unpackSize, &processedSize));
+    if (processedSize != unpackSize)
+      return S_FALSE;
+  }
+  return Parse();
+}
+
+/*
+NsisExe = 
+{
+  ExeStub
+  Archive  // must start from 512 * N
+  #ifndef NSIS_CONFIG_CRC_ANAL
+  {
+    Some additional data
+  }
+}
+
+Archive
+{
+  FirstHeader
+  Data
+  #ifdef NSIS_CONFIG_CRC_SUPPORT && FirstHeader.ThereIsCrc()
+  {
+    CRC
+  }
+}
+
+FirstHeader
+{
+  UInt32 Flags;
+  Byte Signature[16];
+  // points to the header+sections+entries+stringtable in the datablock
+  UInt32 HeaderLength;
+  UInt32 ArchiveSize;
+}
+*/
+
+HRESULT CInArchive::Open(IInStream *inStream, const UInt64 *maxCheckStartPosition)
+{
+  Clear();
+  UInt64 pos;
+  RINOK(inStream->Seek(0, STREAM_SEEK_CUR, &pos));
+  RINOK(inStream->Seek(0, STREAM_SEEK_END, &_archiveSize));
+  UInt64 position;
+  RINOK(inStream->Seek(pos, STREAM_SEEK_SET, &position));
+  UInt64 maxSize = (maxCheckStartPosition != 0) ? *maxCheckStartPosition : (1 << 20);
+  const UInt32 kStep = 512;
+  const UInt32 kStartHeaderSize = 4 * 7;
+  Byte buffer[kStep];
+  bool found = false;
+  
+  UInt64 headerPosition = 0;
+  while (position <= maxSize)
+  {
+    UInt32 processedSize;
+    RINOK(ReadStream(inStream, buffer, kStartHeaderSize, &processedSize));
+    if (processedSize != kStartHeaderSize)
+      return S_FALSE;
+    headerPosition = position;
+    position += processedSize;
+    if(memcmp(buffer + 4, kSignature, kSignatureSize) == 0)
+    {
+      found = true;
+      break;
+    }
+    const UInt32 kRem = kStep - kStartHeaderSize;
+    RINOK(ReadStream(inStream, buffer + kStartHeaderSize, kRem, &processedSize));
+    if (processedSize != kRem)
+      return S_FALSE;
+    position += processedSize;
+  }
+  if (!found)
+    return S_FALSE;
+  FirstHeader.Flags = GetUInt32FromMemLE(buffer);
+  FirstHeader.HeaderLength = GetUInt32FromMemLE(buffer + kSignatureSize + 4);
+  FirstHeader.ArchiveSize = GetUInt32FromMemLE(buffer + kSignatureSize + 8);
+  if (_archiveSize - headerPosition < FirstHeader.ArchiveSize)
+    return S_FALSE;
+
+  _stream = inStream;
+  HRESULT res = S_FALSE;
+  try { res = Open2(); }
+  catch(...) { Clear(); res = S_FALSE; }
+  _stream.Release();
+  return res;
+}
+
+void CInArchive::Clear()
+{
+  #ifdef NSIS_SCRIPT
+  Script.Empty();
+  #endif
+  Items.Clear();
+}
+
+}}
diff --git a/CPP/7zip/Archive/Nsis/NsisIn.h b/CPP/7zip/Archive/Nsis/NsisIn.h
new file mode 100755
index 00000000..d75a9e6e
--- /dev/null
+++ b/CPP/7zip/Archive/Nsis/NsisIn.h
@@ -0,0 +1,166 @@
+// Archive/NsisIn.h
+
+#ifndef __ARCHIVE_NSIS_IN_H
+#define __ARCHIVE_NSIS_IN_H
+
+#include "Common/MyCom.h"
+#include "Common/IntToString.h"
+#include "Common/Buffer.h"
+
+#include "../../IStream.h"
+
+#include "NsisDecode.h"
+
+// #define NSIS_SCRIPT
+
+namespace NArchive {
+namespace NNsis {
+
+const int kSignatureSize = 16;
+extern Byte kSignature[kSignatureSize];
+
+const UInt32 kFlagsMask = 0xF;
+namespace NFlags
+{
+  const UInt32 kUninstall = 1;
+  const UInt32 kSilent = 2;
+  const UInt32 kNoCrc = 4;
+  const UInt32 kForceCrc = 8;
+}
+
+struct CFirstHeader
+{
+  UInt32 Flags;
+  UInt32 HeaderLength;
+ 
+  UInt32 ArchiveSize;
+
+  bool ThereIsCrc() const 
+  {
+    if ((Flags & NFlags::kForceCrc ) != 0)
+      return true;
+    return ((Flags & NFlags::kNoCrc) == 0);
+  }
+
+  UInt32 GetDataSize() const { return ArchiveSize - (ThereIsCrc() ? 4 : 0); }
+};
+
+
+struct CBlockHeader
+{
+  UInt32 Offset;
+  UInt32 Num;
+};
+
+struct CItem
+{
+  AString Prefix;
+  AString Name;
+  UInt32 Pos;
+  bool SizeIsDefined;
+  bool CompressedSizeIsDefined;
+  bool EstimatedSizeIsDefined;
+  UInt32 Size;
+  UInt32 CompressedSize;
+  UInt32 EstimatedSize;
+  FILETIME DateTime;
+  UInt32 DictionarySize;
+  bool IsCompressed;
+  bool UseFilter;
+  CItem(): UseFilter(false), SizeIsDefined(false), EstimatedSizeIsDefined(false), 
+    IsCompressed(true), CompressedSizeIsDefined(false), Size(0) {}
+
+  bool IsINSTDIR() const
+  {
+   if (Prefix.Length() < 3)
+     return false;
+   return true;
+  }
+
+  AString GetReducedName() const 
+  {
+    AString prefix = Prefix;
+    if (prefix.Length() > 0)
+      if (prefix[prefix.Length() - 1] != '\\')
+        prefix += '\\';
+    AString s2 = prefix + Name;
+    const int len = 9;
+    if (s2.Left(len).CompareNoCase("$INSTDIR\\") == 0)
+      s2 = s2.Mid(len);
+    return s2;
+  }
+
+};
+
+class CInArchive
+{
+  UInt64 _archiveSize;
+  CMyComPtr<IInStream> _stream;
+
+  Byte ReadByte();
+  UInt32 ReadUInt32();
+  HRESULT Open2();
+  void ReadBlockHeader(CBlockHeader &bh);
+  AString ReadString(UInt32 pos);
+  AString ReadString2(UInt32 pos);
+  HRESULT ReadEntries(const CBlockHeader &bh);
+  HRESULT Parse();
+
+  CByteBuffer _data;
+  UInt64 _size;
+
+  size_t _posInData;
+
+  UInt32 _stringsPos;
+
+
+  bool _headerIsCompressed;
+  UInt32 _nonSolidStartOffset;
+public:
+  HRESULT Open(IInStream *inStream, const UInt64 *maxCheckStartPosition);
+  void Clear();
+
+  UInt64 StreamOffset;
+  CDecoder Decoder;
+  CObjectVector<CItem> Items;
+  bool IsSolid;
+  CFirstHeader FirstHeader;
+  NMethodType::EEnum Method;
+  bool UseFilter;
+  UInt32 DictionarySize;
+  bool FilterFlag;
+
+  #ifdef NSIS_SCRIPT
+  AString Script;
+  #endif
+  UInt32 GetOffset() const { return IsSolid ? 4 : 0; }
+  UInt64 GetDataPos(int index)
+  {
+    const CItem &item = Items[index];
+    return GetOffset() + FirstHeader.HeaderLength + item.Pos;
+  }
+
+  UInt64 GetPosOfSolidItem(int index) const 
+  { 
+    const CItem &item = Items[index];
+    return 4 + FirstHeader.HeaderLength + item.Pos;
+  }
+  
+  UInt64 GetPosOfNonSolidItem(int index) const 
+  { 
+    const CItem &item = Items[index];
+    return StreamOffset + _nonSolidStartOffset + 4  + item.Pos;
+  }
+
+  void Release()
+  {
+    Decoder.Release();
+  }
+
+};
+
+UInt32 GetUInt32FromMemLE(const Byte *p);
+  
+}}
+  
+#endif
diff --git a/CPP/7zip/Archive/Nsis/StdAfx.cpp b/CPP/7zip/Archive/Nsis/StdAfx.cpp
new file mode 100755
index 00000000..d0feea85
--- /dev/null
+++ b/CPP/7zip/Archive/Nsis/StdAfx.cpp
@@ -0,0 +1,3 @@
+// StdAfx.cpp
+
+#include "StdAfx.h"
diff --git a/CPP/7zip/Archive/Nsis/StdAfx.h b/CPP/7zip/Archive/Nsis/StdAfx.h
new file mode 100755
index 00000000..2e4be10b
--- /dev/null
+++ b/CPP/7zip/Archive/Nsis/StdAfx.h
@@ -0,0 +1,9 @@
+// StdAfx.h
+
+#ifndef __STDAFX_H
+#define __STDAFX_H
+
+#include "../../../Common/MyWindows.h"
+#include "../../../Common/NewHandler.h"
+
+#endif
diff --git a/CPP/7zip/Archive/Nsis/makefile b/CPP/7zip/Archive/Nsis/makefile
new file mode 100755
index 00000000..69fcf523
--- /dev/null
+++ b/CPP/7zip/Archive/Nsis/makefile
@@ -0,0 +1,67 @@
+PROG = nsis.dll
+DEF_FILE = ../Archive.def
+CFLAGS = $(CFLAGS) -I ../../../
+LIBS = $(LIBS) oleaut32.lib user32.lib
+
+TAR_OBJS = \
+  $O\DllExports.obj \
+  $O\NsisDecode.obj \
+  $O\NsisHandler.obj \
+  $O\NsisIn.obj \
+
+COMMON_OBJS = \
+  $O\Alloc.obj \
+  $O\IntToString.obj \
+  $O\NewHandler.obj \
+  $O\String.obj \
+  $O\StringConvert.obj \
+  $O\Vector.obj \
+
+WIN_OBJS = \
+  $O\DLL.obj \
+  $O\FileFind.obj \
+  $O\PropVariant.obj \
+
+7ZIP_COMMON_OBJS = \
+  $O\LimitedStreams.obj \
+  $O\ProgressUtils.obj \
+  $O\StreamUtils.obj \
+
+AR_COMMON_OBJS = \
+  $O\CodecsPath.obj \
+  $O\CoderLoader.obj \
+  $O\ItemNameUtils.obj \
+  $O\FilterCoder.obj \
+
+7Z_OBJS = \
+  $O\7zMethodID.obj \
+  $O\7zMethods.obj \
+
+OBJS = \
+  $O\StdAfx.obj \
+  $(TAR_OBJS) \
+  $(COMMON_OBJS) \
+  $(WIN_OBJS) \
+  $(7ZIP_COMMON_OBJS) \
+  $(AR_COMMON_OBJS) \
+  $(7Z_OBJS) \
+  $(COMPRESS_TAR_OBJS) \
+  $O\CopyCoder.obj \
+  $O\resource.res
+
+!include "../../../Build.mak"
+
+$(TAR_OBJS): $(*B).cpp
+	$(COMPL)
+$(COMMON_OBJS): ../../../Common/$(*B).cpp
+	$(COMPL)
+$(WIN_OBJS): ../../../Windows/$(*B).cpp
+	$(COMPL)
+$(7ZIP_COMMON_OBJS): ../../Common/$(*B).cpp
+	$(COMPL)
+$(AR_COMMON_OBJS): ../Common/$(*B).cpp
+	$(COMPL)
+$(7Z_OBJS): ../7z/$(*B).cpp
+	$(COMPL)
+$O\CopyCoder.obj: ../../Compress/Copy/$(*B).cpp
+	$(COMPL)
diff --git a/CPP/7zip/Archive/Nsis/resource.rc b/CPP/7zip/Archive/Nsis/resource.rc
new file mode 100755
index 00000000..487eb4ee
--- /dev/null
+++ b/CPP/7zip/Archive/Nsis/resource.rc
@@ -0,0 +1,3 @@
+#include "../../MyVersionInfo.rc"
+
+MY_VERSION_INFO_DLL("Nsis Plugin", "nsis")