diff -r 5f819b90d479 -r 99b265e0d1d0 misc/libphysfs/lzma/CPP/7zip/UI/Common/LoadCodecs.cpp
--- a/misc/libphysfs/lzma/CPP/7zip/UI/Common/LoadCodecs.cpp	Thu Oct 11 23:43:31 2018 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,644 +0,0 @@
-// LoadCodecs.cpp
-
-#include "StdAfx.h"
-
-#include "LoadCodecs.h"
-
-#include "../../../Common/MyCom.h"
-#ifdef NEW_FOLDER_INTERFACE
-#include "../../../Common/StringToInt.h"
-#endif
-#include "../../../Windows/PropVariant.h"
-
-#include "../../ICoder.h"
-#include "../../Common/RegisterArc.h"
-
-#ifdef EXTERNAL_CODECS
-#include "../../../Windows/FileFind.h"
-#include "../../../Windows/DLL.h"
-#ifdef NEW_FOLDER_INTERFACE
-#include "../../../Windows/ResourceString.h"
-static const UINT kIconTypesResId = 100;
-#endif
-
-#ifdef _WIN32
-#include "Windows/Registry.h"
-#endif
-
-using namespace NWindows;
-using namespace NFile;
-
-#ifdef _WIN32
-extern HINSTANCE g_hInstance;
-#endif
-
-static CSysString GetLibraryFolderPrefix()
-{
-  #ifdef _WIN32
-  TCHAR fullPath[MAX_PATH + 1];
-  ::GetModuleFileName(g_hInstance, fullPath, MAX_PATH);
-  CSysString path = fullPath;
-  int pos = path.ReverseFind(TEXT(CHAR_PATH_SEPARATOR));
-  return path.Left(pos + 1);
-  #else
-  return CSysString(); // FIX IT
-  #endif
-}
-
-#define kCodecsFolderName TEXT("Codecs")
-#define kFormatsFolderName TEXT("Formats")
-static TCHAR *kMainDll = TEXT("7z.dll");
-
-#ifdef _WIN32
-static LPCTSTR kRegistryPath = TEXT("Software\\7-zip");
-static LPCTSTR kProgramPathValue = TEXT("Path");
-static bool ReadPathFromRegistry(HKEY baseKey, CSysString &path)
-{
-  NRegistry::CKey key;
-  if(key.Open(baseKey, kRegistryPath, KEY_READ) == ERROR_SUCCESS)
-    if (key.QueryValue(kProgramPathValue, path) == ERROR_SUCCESS)
-    {
-      NName::NormalizeDirPathPrefix(path);
-      return true;
-    }
-  return false;
-}
-
-#endif
-
-CSysString GetBaseFolderPrefixFromRegistry()
-{
-  CSysString moduleFolderPrefix = GetLibraryFolderPrefix();
-  NFind::CFileInfo fileInfo;
-  if (NFind::FindFile(moduleFolderPrefix + kMainDll, fileInfo))
-    if (!fileInfo.IsDirectory())
-      return moduleFolderPrefix;
-  if (NFind::FindFile(moduleFolderPrefix + kCodecsFolderName, fileInfo))
-    if (fileInfo.IsDirectory())
-      return moduleFolderPrefix;
-  if (NFind::FindFile(moduleFolderPrefix + kFormatsFolderName, fileInfo))
-    if (fileInfo.IsDirectory())
-      return moduleFolderPrefix;
-  #ifdef _WIN32
-  CSysString path;
-  if (ReadPathFromRegistry(HKEY_CURRENT_USER, path))
-    return path;
-  if (ReadPathFromRegistry(HKEY_LOCAL_MACHINE, path))
-    return path;
-  #endif
-  return moduleFolderPrefix;
-}
-
-typedef UInt32 (WINAPI *GetNumberOfMethodsFunc)(UInt32 *numMethods);
-typedef UInt32 (WINAPI *GetNumberOfFormatsFunc)(UInt32 *numFormats);
-typedef UInt32 (WINAPI *GetHandlerPropertyFunc)(PROPID propID, PROPVARIANT *value);
-typedef UInt32 (WINAPI *GetHandlerPropertyFunc2)(UInt32 index, PROPID propID, PROPVARIANT *value);
-typedef UInt32 (WINAPI *CreateObjectFunc)(const GUID *clsID, const GUID *iid, void **outObject);
-typedef UInt32 (WINAPI *SetLargePageModeFunc)();
-
-
-static HRESULT GetCoderClass(GetMethodPropertyFunc getMethodProperty, UInt32 index, 
-    PROPID propId, CLSID &clsId, bool &isAssigned)
-{
-  NWindows::NCOM::CPropVariant prop;
-  isAssigned = false;
-  RINOK(getMethodProperty(index, propId, &prop));
-  if (prop.vt == VT_BSTR)
-  {
-    isAssigned = true;
-    clsId = *(const GUID *)prop.bstrVal;
-  }
-  else if (prop.vt != VT_EMPTY)
-    return E_FAIL;
-  return S_OK;
-}
-
-HRESULT CCodecs::LoadCodecs()
-{
-  CCodecLib &lib = Libs.Back();
-  lib.GetMethodProperty = (GetMethodPropertyFunc)lib.Lib.GetProcAddress("GetMethodProperty");
-  if (lib.GetMethodProperty == NULL)
-    return S_OK;
-
-  UInt32 numMethods = 1;
-  GetNumberOfMethodsFunc getNumberOfMethodsFunc = (GetNumberOfMethodsFunc)lib.Lib.GetProcAddress("GetNumberOfMethods");
-  if (getNumberOfMethodsFunc != NULL)
-  {
-    RINOK(getNumberOfMethodsFunc(&numMethods));
-  }
-
-  for(UInt32 i = 0; i < numMethods; i++)
-  {
-    CDllCodecInfo info;
-    info.LibIndex = Libs.Size() - 1;
-    info.CodecIndex = i;
-
-    RINOK(GetCoderClass(lib.GetMethodProperty, i, NMethodPropID::kEncoder, info.Encoder, info.EncoderIsAssigned));
-    RINOK(GetCoderClass(lib.GetMethodProperty, i, NMethodPropID::kDecoder, info.Decoder, info.DecoderIsAssigned));
-
-    Codecs.Add(info);
-  }
-  return S_OK;
-}
-
-static HRESULT ReadProp(
-    GetHandlerPropertyFunc getProp, 
-    GetHandlerPropertyFunc2 getProp2, 
-    UInt32 index, PROPID propID, NCOM::CPropVariant &prop)
-{
-  if (getProp2)
-    return getProp2(index, propID, &prop);;
-  return getProp(propID, &prop);
-}
-
-static HRESULT ReadBoolProp(
-    GetHandlerPropertyFunc getProp, 
-    GetHandlerPropertyFunc2 getProp2, 
-    UInt32 index, PROPID propID, bool &res)
-{
-  NCOM::CPropVariant prop;
-  RINOK(ReadProp(getProp, getProp2, index, propID, prop));
-  if (prop.vt == VT_BOOL)
-    res = VARIANT_BOOLToBool(prop.boolVal);
-  else if (prop.vt != VT_EMPTY)
-    return E_FAIL;
-  return S_OK;
-}
-
-static HRESULT ReadStringProp(
-    GetHandlerPropertyFunc getProp, 
-    GetHandlerPropertyFunc2 getProp2, 
-    UInt32 index, PROPID propID, UString &res)
-{
-  NCOM::CPropVariant prop;
-  RINOK(ReadProp(getProp, getProp2, index, propID, prop));
-  if (prop.vt == VT_BSTR)
-    res = prop.bstrVal;
-  else if (prop.vt != VT_EMPTY)
-    return E_FAIL;
-  return S_OK;
-}
-
-#endif
-
-static const unsigned int kNumArcsMax = 32;
-static unsigned int g_NumArcs = 0;
-static const CArcInfo *g_Arcs[kNumArcsMax]; 
-void RegisterArc(const CArcInfo *arcInfo) 
-{ 
-  if (g_NumArcs < kNumArcsMax)
-    g_Arcs[g_NumArcs++] = arcInfo; 
-}
-
-static void SplitString(const UString &srcString, UStringVector &destStrings)
-{
-  destStrings.Clear();
-  UString s;
-  int len = srcString.Length();
-  if (len == 0)
-    return;
-  for (int i = 0; i < len; i++)
-  {
-    wchar_t c = srcString[i];
-    if (c == L' ')
-    {
-      if (!s.IsEmpty())
-      {
-        destStrings.Add(s);
-        s.Empty();
-      }
-    }
-    else
-      s += c;
-  }
-  if (!s.IsEmpty())
-    destStrings.Add(s);
-}
-
-void CArcInfoEx::AddExts(const wchar_t* ext, const wchar_t* addExt)
-{
-  UStringVector exts, addExts;
-  SplitString(ext, exts);
-  if (addExt != 0)
-    SplitString(addExt, addExts);
-  for (int i = 0; i < exts.Size(); i++)
-  {
-    CArcExtInfo extInfo;
-    extInfo.Ext = exts[i];
-    if (i < addExts.Size())
-    {
-      extInfo.AddExt = addExts[i];
-      if (extInfo.AddExt == L"*")
-        extInfo.AddExt.Empty();
-    }
-    Exts.Add(extInfo);
-  }
-}
-
-#ifdef EXTERNAL_CODECS
-
-HRESULT CCodecs::LoadFormats()
-{
-  const NDLL::CLibrary &lib = Libs.Back().Lib;
-  GetHandlerPropertyFunc getProp = 0;
-  GetHandlerPropertyFunc2 getProp2 = (GetHandlerPropertyFunc2)
-      lib.GetProcAddress("GetHandlerProperty2");
-  if (getProp2 == NULL)
-  {
-    getProp = (GetHandlerPropertyFunc)
-        lib.GetProcAddress("GetHandlerProperty");
-    if (getProp == NULL)
-      return S_OK;
-  }
-
-  UInt32 numFormats = 1;
-  GetNumberOfFormatsFunc getNumberOfFormats = (GetNumberOfFormatsFunc)
-    lib.GetProcAddress("GetNumberOfFormats");
-  if (getNumberOfFormats != NULL)
-  {
-    RINOK(getNumberOfFormats(&numFormats));
-  }
-  if (getProp2 == NULL)
-    numFormats = 1;
-
-  for(UInt32 i = 0; i < numFormats; i++)
-  {
-    CArcInfoEx item;
-    item.LibIndex = Libs.Size() - 1;
-    item.FormatIndex = i;
-
-    RINOK(ReadStringProp(getProp, getProp2, i, NArchive::kName, item.Name));
-
-    NCOM::CPropVariant prop;
-    if (ReadProp(getProp, getProp2, i, NArchive::kClassID, prop) != S_OK)
-      continue;
-    if (prop.vt != VT_BSTR)
-      continue;
-    item.ClassID = *(const GUID *)prop.bstrVal;
-    prop.Clear();
-
-    UString ext, addExt;
-    RINOK(ReadStringProp(getProp, getProp2, i, NArchive::kExtension, ext));
-    RINOK(ReadStringProp(getProp, getProp2, i, NArchive::kAddExtension, addExt));
-    item.AddExts(ext, addExt);
-
-    ReadBoolProp(getProp, getProp2, i, NArchive::kUpdate, item.UpdateEnabled);
-    if (item.UpdateEnabled)
-      ReadBoolProp(getProp, getProp2, i, NArchive::kKeepName, item.KeepName);
-    
-    if (ReadProp(getProp, getProp2, i, NArchive::kStartSignature, prop) == S_OK)
-      if (prop.vt == VT_BSTR)
-      {
-        UINT len = ::SysStringByteLen(prop.bstrVal);
-        item.StartSignature.SetCapacity(len);
-        memmove(item.StartSignature, prop.bstrVal, len);
-      }
-    Formats.Add(item);
-  }
-  return S_OK;
-}
-
-#ifdef NEW_FOLDER_INTERFACE
-void CCodecLib::LoadIcons()
-{
-  UString iconTypes = MyLoadStringW((HMODULE)Lib, kIconTypesResId);
-  UStringVector pairs;
-  SplitString(iconTypes, pairs);
-  for (int i = 0; i < pairs.Size(); i++)
-  {
-    const UString &s = pairs[i];
-    int pos = s.Find(L':');
-    if (pos < 0)
-      continue;
-    CIconPair iconPair;
-    const wchar_t *end;
-    UString num = s.Mid(pos + 1);
-    iconPair.IconIndex = (UInt32)ConvertStringToUInt64(num, &end);
-    if (*end != L'\0')
-      continue;
-    iconPair.Ext = s.Left(pos);
-    IconPairs.Add(iconPair);
-  }
-}
-
-int CCodecLib::FindIconIndex(const UString &ext) const
-{
-  for (int i = 0; i < IconPairs.Size(); i++)
-  {
-    const CIconPair &pair = IconPairs[i];
-    if (ext.CompareNoCase(pair.Ext) == 0)
-      return pair.IconIndex;
-  }
-  return -1;
-}
-#endif
-
-#ifdef _7ZIP_LARGE_PAGES
-extern "C" 
-{
-  extern SIZE_T g_LargePageSize;
-}
-#endif
-
-HRESULT CCodecs::LoadDll(const CSysString &dllPath)
-{
-  {
-    NDLL::CLibrary library;
-    if (!library.LoadEx(dllPath, LOAD_LIBRARY_AS_DATAFILE))
-      return S_OK;
-  }
-  Libs.Add(CCodecLib());
-  CCodecLib &lib = Libs.Back();
-  #ifdef NEW_FOLDER_INTERFACE
-  lib.Path = dllPath;
-  #endif
-  bool used = false;
-  HRESULT res = S_OK;
-  if (lib.Lib.Load(dllPath))
-  {
-    #ifdef NEW_FOLDER_INTERFACE
-    lib.LoadIcons();
-    #endif
-
-    #ifdef _7ZIP_LARGE_PAGES
-    if (g_LargePageSize != 0)
-    {
-      SetLargePageModeFunc setLargePageMode = (SetLargePageModeFunc)lib.Lib.GetProcAddress("SetLargePageMode");
-      if (setLargePageMode != 0)
-        setLargePageMode();
-    }
-    #endif
-
-    lib.CreateObject = (CreateObjectFunc)lib.Lib.GetProcAddress("CreateObject");
-    if (lib.CreateObject != 0)
-    {
-      int startSize = Codecs.Size();
-      res = LoadCodecs();
-      used = (Codecs.Size() != startSize);
-      if (res == S_OK)
-      {
-        startSize = Formats.Size();
-        res = LoadFormats();
-        used = used || (Formats.Size() != startSize);
-      }
-    }
-  }
-  if (!used)
-    Libs.DeleteBack();
-  return res;
-}
-
-HRESULT CCodecs::LoadDllsFromFolder(const CSysString &folderPrefix)
-{
-  NFile::NFind::CEnumerator enumerator(folderPrefix + CSysString(TEXT("*")));
-  NFile::NFind::CFileInfo fileInfo;
-  while (enumerator.Next(fileInfo))
-  {
-    if (fileInfo.IsDirectory())
-      continue;
-    RINOK(LoadDll(folderPrefix + fileInfo.Name));
-  }
-  return S_OK;
-}
-
-#endif
-
-#ifndef _SFX
-static inline void SetBuffer(CByteBuffer &bb, const Byte *data, int size)
-{
-  bb.SetCapacity(size);
-  memmove((Byte *)bb, data, size);
-}
-#endif
-
-HRESULT CCodecs::Load()
-{
-  Formats.Clear();
-  #ifdef EXTERNAL_CODECS
-  Codecs.Clear();
-  #endif
-  for (UInt32 i = 0; i < g_NumArcs; i++)
-  {
-    const CArcInfo &arc = *g_Arcs[i];
-    CArcInfoEx item;
-    item.Name = arc.Name;
-    item.CreateInArchive = arc.CreateInArchive;
-    item.CreateOutArchive = arc.CreateOutArchive;
-    item.AddExts(arc.Ext, arc.AddExt);
-    item.UpdateEnabled = (arc.CreateOutArchive != 0);
-    item.KeepName = arc.KeepName;
-
-    #ifndef _SFX
-    SetBuffer(item.StartSignature, arc.Signature, arc.SignatureSize);
-    #endif
-    Formats.Add(item);
-  }
-  #ifdef EXTERNAL_CODECS
-  const CSysString baseFolder = GetBaseFolderPrefixFromRegistry();
-  RINOK(LoadDll(baseFolder + kMainDll));
-  RINOK(LoadDllsFromFolder(baseFolder + kCodecsFolderName TEXT(STRING_PATH_SEPARATOR)));
-  RINOK(LoadDllsFromFolder(baseFolder + kFormatsFolderName TEXT(STRING_PATH_SEPARATOR)));
-  #endif
-  return S_OK;
-}
-
-int CCodecs::FindFormatForArchiveName(const UString &archivePath) const
-{
-  int slashPos1 = archivePath.ReverseFind(L'\\');
-  int slashPos2 = archivePath.ReverseFind(L'.');
-  int dotPos = archivePath.ReverseFind(L'.');
-  if (dotPos < 0 || dotPos < slashPos1 || dotPos < slashPos2)
-    return -1;
-  UString ext = archivePath.Mid(dotPos + 1);
-  for (int i = 0; i < Formats.Size(); i++)
-  {
-    const CArcInfoEx &arc = Formats[i];
-    if (!arc.UpdateEnabled)
-      continue;
-    // if (arc.FindExtension(ext) >= 0)
-    UString mainExt = arc.GetMainExt();
-    if (!mainExt.IsEmpty() && ext.CompareNoCase(mainExt) == 0)
-      return i;
-  }
-  return -1;
-}
-
-int CCodecs::FindFormatForArchiveType(const UString &arcType) const
-{
-  for (int i = 0; i < Formats.Size(); i++)
-  {
-    const CArcInfoEx &arc = Formats[i];
-    if (!arc.UpdateEnabled)
-      continue;
-    if (arc.Name.CompareNoCase(arcType) == 0)
-      return i;
-  }
-  return -1;
-}
-
-#ifdef EXTERNAL_CODECS
-
-#ifdef EXPORT_CODECS
-extern unsigned int g_NumCodecs;
-STDAPI CreateCoder2(bool encode, UInt32 index, const GUID *iid, void **outObject);
-STDAPI GetMethodProperty(UInt32 codecIndex, PROPID propID, PROPVARIANT *value);
-// STDAPI GetNumberOfMethods(UINT32 *numCodecs);
-#endif
-
-STDMETHODIMP CCodecs::GetNumberOfMethods(UINT32 *numMethods)
-{
-  *numMethods = 
-      #ifdef EXPORT_CODECS
-      g_NumCodecs + 
-      #endif
-      Codecs.Size();
-  return S_OK;
-}
-
-STDMETHODIMP CCodecs::GetProperty(UINT32 index, PROPID propID, PROPVARIANT *value)
-{
-  #ifdef EXPORT_CODECS
-  if (index < g_NumCodecs)
-    return GetMethodProperty(index, propID, value);
-  #endif
-
-  const CDllCodecInfo &ci = Codecs[index 
-      #ifdef EXPORT_CODECS
-      - g_NumCodecs
-      #endif
-      ];
-
-  if (propID == NMethodPropID::kDecoderIsAssigned)
-  {
-    NWindows::NCOM::CPropVariant propVariant;
-    propVariant = ci.DecoderIsAssigned;
-    propVariant.Detach(value);
-    return S_OK;
-  }
-  if (propID == NMethodPropID::kEncoderIsAssigned)
-  {
-    NWindows::NCOM::CPropVariant propVariant;
-    propVariant = ci.EncoderIsAssigned;
-    propVariant.Detach(value);
-    return S_OK;
-  }
-  return Libs[ci.LibIndex].GetMethodProperty(ci.CodecIndex, propID, value);
-}
-
-STDMETHODIMP CCodecs::CreateDecoder(UINT32 index, const GUID *iid, void **coder)
-{
-  #ifdef EXPORT_CODECS
-  if (index < g_NumCodecs)
-    return CreateCoder2(false, index, iid, coder);
-  #endif
-  const CDllCodecInfo &ci = Codecs[index 
-      #ifdef EXPORT_CODECS
-      - g_NumCodecs
-      #endif
-      ];
-  if (ci.DecoderIsAssigned)
-    return Libs[ci.LibIndex].CreateObject(&ci.Decoder, iid, (void **)coder);
-  return S_OK;
-}
-
-STDMETHODIMP CCodecs::CreateEncoder(UINT32 index, const GUID *iid, void **coder)
-{
-  #ifdef EXPORT_CODECS
-  if (index < g_NumCodecs)
-    return CreateCoder2(true, index, iid, coder);
-  #endif
-  const CDllCodecInfo &ci = Codecs[index 
-      #ifdef EXPORT_CODECS
-      - g_NumCodecs
-      #endif
-      ];
-  if (ci.EncoderIsAssigned)
-    return Libs[ci.LibIndex].CreateObject(&ci.Encoder, iid, (void **)coder);
-  return S_OK;
-}
-
-HRESULT CCodecs::CreateCoder(const UString &name, bool encode, CMyComPtr<ICompressCoder> &coder) const
-{ 
-  for (int i = 0; i < Codecs.Size(); i++)
-  {
-    const CDllCodecInfo &codec = Codecs[i];
-    if (encode && !codec.EncoderIsAssigned || !encode && !codec.DecoderIsAssigned)
-      continue;
-    const CCodecLib &lib = Libs[codec.LibIndex];
-    UString res;
-    NWindows::NCOM::CPropVariant prop;
-    RINOK(lib.GetMethodProperty(codec.CodecIndex, NMethodPropID::kName, &prop));
-    if (prop.vt == VT_BSTR)
-      res = prop.bstrVal;
-    else if (prop.vt != VT_EMPTY)
-      continue;
-    if (name.CompareNoCase(res) == 0)
-      return lib.CreateObject(encode ? &codec.Encoder : &codec.Decoder, &IID_ICompressCoder, (void **)&coder);
-  }
-  return CLASS_E_CLASSNOTAVAILABLE;
-}
-
-int CCodecs::GetCodecLibIndex(UInt32 index)
-{
-  #ifdef EXPORT_CODECS
-  if (index < g_NumCodecs)
-    return -1;
-  #endif
-  #ifdef EXTERNAL_CODECS
-  const CDllCodecInfo &ci = Codecs[index 
-      #ifdef EXPORT_CODECS
-      - g_NumCodecs
-      #endif
-      ];
-  return ci.LibIndex;
-  #else
-  return -1;
-  #endif
-}
-
-bool CCodecs::GetCodecEncoderIsAssigned(UInt32 index)
-{
-  #ifdef EXPORT_CODECS
-  if (index < g_NumCodecs)
-  {
-    NWindows::NCOM::CPropVariant prop;
-    if (GetProperty(index, NMethodPropID::kEncoder, &prop) == S_OK)
-      if (prop.vt != VT_EMPTY)
-        return true;
-    return false;
-  }
-  #endif
-  #ifdef EXTERNAL_CODECS
-  const CDllCodecInfo &ci = Codecs[index 
-      #ifdef EXPORT_CODECS
-      - g_NumCodecs
-      #endif
-      ];
-  return ci.EncoderIsAssigned;
-  #else
-  return false;
-  #endif
-}
-
-HRESULT CCodecs::GetCodecId(UInt32 index, UInt64 &id)
-{
-  UString s;
-  NWindows::NCOM::CPropVariant prop;
-  RINOK(GetProperty(index, NMethodPropID::kID, &prop));
-  if (prop.vt != VT_UI8)
-    return E_INVALIDARG;
-  id = prop.uhVal.QuadPart;
-  return S_OK;
-}
-
-UString CCodecs::GetCodecName(UInt32 index)
-{
-  UString s;
-  NWindows::NCOM::CPropVariant prop;
-  if (GetProperty(index, NMethodPropID::kName, &prop) == S_OK)
-    if (prop.vt == VT_BSTR)
-      s = prop.bstrVal;
-  return s;
-}
-
-#endif