static bool DeleteEmptyFolderAndEmptySubFolders(const FString &path)
{
NFind::CFileInfo fileInfo;
FString pathPrefix = path;
pathPrefix.Add_PathSepar();
{
NFind::CEnumerator enumerator;
enumerator.SetDirPrefix(pathPrefix);
while (enumerator.Next(fileInfo))
{
if (fileInfo.IsDir())
if (!DeleteEmptyFolderAndEmptySubFolders(pathPrefix + fileInfo.Name))
return false;
}
}
/*
// we don't need clear readonly for folders
if (!SetFileAttrib(path, 0))
return false;
*/
return RemoveDir(path);
}
bool CFileInfo::Find(CFSTR path)
{
#ifdef SUPPORT_DEVICE_FILE
if (IsDevicePath(path))
{
ClearBase();
Name = path + 4;
IsDevice = true;
if (NName::IsDrivePath2(path + 4) && path[6] == 0)
{
FChar drive[4] = { path[4], ':', '\\', 0 };
UInt64 clusterSize, totalSize, freeSize;
if (NSystem::MyGetDiskFreeSpace(drive, clusterSize, totalSize, freeSize))
{
Size = totalSize;
return true;
}
}
NIO::CInFile inFile;
// ::OutputDebugStringW(path);
if (!inFile.Open(path))
return false;
// ::OutputDebugStringW(L"---");
if (inFile.SizeDefined)
Size = inFile.Size;
return true;
}
#endif
#if defined(_WIN32) && !defined(UNDER_CE)
int colonPos = FindAltStreamColon(path);
if (colonPos >= 0 && path[(unsigned)colonPos + 1] != 0)
{
UString streamName = fs2us(path + (unsigned)colonPos);
FString filePath = path;
filePath.DeleteFrom(colonPos);
/* we allow both cases:
name:stream
name:stream:$DATA
*/
const unsigned kPostfixSize = 6;
if (streamName.Len() <= kPostfixSize
|| !StringsAreEqualNoCase_Ascii(streamName.RightPtr(kPostfixSize), ":$DATA"))
streamName += L":$DATA";
bool isOk = true;
if (IsDrivePath2(filePath) &&
(colonPos == 2 || colonPos == 3 && filePath[2] == '\\'))
{
// FindFirstFile doesn't work for "c:\" and for "c:" (if current dir is ROOT)
ClearBase();
Name.Empty();
if (colonPos == 2)
Name = filePath;
}
else
isOk = Find(filePath);
if (isOk)
{
Attrib &= ~(FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_REPARSE_POINT);
Size = 0;
CStreamEnumerator enumerator(filePath);
for (;;)
{
CStreamInfo si;
bool found;
if (!enumerator.Next(si, found))
return false;
if (!found)
{
::SetLastError(ERROR_FILE_NOT_FOUND);
return false;
}
if (si.Name.IsEqualTo_NoCase(streamName))
{
// we delete postfix, if alt stream name is not "::$DATA"
if (si.Name.Len() > kPostfixSize + 1)
si.Name.DeleteFrom(si.Name.Len() - kPostfixSize);
Name += us2fs(si.Name);
Size = si.Size;
IsAltStream = true;
return true;
}
}
}
}
#endif
CFindFile finder;
#if defined(_WIN32) && !defined(UNDER_CE)
{
/*
DWORD lastError = GetLastError();
if (lastError == ERROR_FILE_NOT_FOUND
|| lastError == ERROR_BAD_NETPATH // XP64: "\\Server\Share"
|| lastError == ERROR_BAD_NET_NAME // Win7: "\\Server\Share"
|| lastError == ERROR_INVALID_NAME // XP64: "\\?\UNC\Server\Share"
|| lastError == ERROR_BAD_PATHNAME // Win7: "\\?\UNC\Server\Share"
)
*/
unsigned rootSize = 0;
if (IsSuperPath(path))
rootSize = kSuperPathPrefixSize;
if (NName::IsDrivePath(path + rootSize) && path[rootSize + 3] == 0)
{
DWORD attrib = GetFileAttrib(path);
if (attrib != INVALID_FILE_ATTRIBUTES && (attrib & FILE_ATTRIBUTE_DIRECTORY) != 0)
{
ClearBase();
Attrib = attrib;
Name = path + rootSize;
Name.DeleteFrom(2); // we don't need backslash (C:)
return true;
}
}
else if (IS_PATH_SEPAR(path[0]))
if (path[1] == 0)
{
DWORD attrib = GetFileAttrib(path);
if (attrib != INVALID_FILE_ATTRIBUTES && (attrib & FILE_ATTRIBUTE_DIRECTORY) != 0)
{
ClearBase();
Name.Empty();
Attrib = attrib;
return true;
}
}
else
{
const unsigned prefixSize = GetNetworkServerPrefixSize(path);
if (prefixSize > 0 && path[prefixSize] != 0)
{
if (NName::FindSepar(path + prefixSize) < 0)
{
FString s = path;
s.Add_PathSepar();
s += FCHAR_ANY_MASK;
bool isOK = false;
if (finder.FindFirst(s, *this))
{
if (Name == FTEXT("."))
{
Name = path + prefixSize;
return true;
}
isOK = true;
/* if "\\server\share" maps to root folder "d:\", there is no "." item.
But it's possible that there are another items */
}
{
DWORD attrib = GetFileAttrib(path);
if (isOK || attrib != INVALID_FILE_ATTRIBUTES && (attrib & FILE_ATTRIBUTE_DIRECTORY) != 0)
{
ClearBase();
if (attrib != INVALID_FILE_ATTRIBUTES)
Attrib = attrib;
else
SetAsDir();
Name = path + prefixSize;
return true;
}
}
// ::SetLastError(lastError);
}
}
}
}
#endif
return finder.FindFirst(path, *this);
}
DWORD CDirEnumerator::GetNextFile(NFind::CFileInfo &fi, bool &filled, FString &resPath)
{
filled = false;
resPath.Empty();
for (;;)
{
#if defined(_WIN32) && !defined(UNDER_CE)
bool isRootPrefix = (BasePrefix.IsEmpty() || (NName::IsSuperPath(BasePrefix) && BasePrefix[NName::kSuperPathPrefixSize] == 0));
#endif
if (Enumerators.IsEmpty())
{
if (Index >= FilePaths.Size())
return S_OK;
const FString &path = FilePaths[Index++];
int pos = path.ReverseFind_PathSepar();
if (pos >= 0)
resPath.SetFrom(path, pos + 1);
#if defined(_WIN32) && !defined(UNDER_CE)
if (isRootPrefix && path.Len() == 2 && NName::IsDrivePath2(path))
{
// we use "c:" item as directory item
fi.ClearBase();
fi.Name = path;
fi.SetAsDir();
fi.Size = 0;
}
else
#endif
if (!fi.Find(BasePrefix + path))
{
DWORD error = GetNormalizedError();
resPath = path;
return error;
}
break;
}
bool found;
if (Enumerators.Back().Next(fi, found))
{
if (found)
{
resPath = Prefixes.Back();
break;
}
}
else
{
DWORD error = GetNormalizedError();
resPath = Prefixes.Back();
Enumerators.DeleteBack();
Prefixes.DeleteBack();
return error;
}
Enumerators.DeleteBack();
Prefixes.DeleteBack();
}
resPath += fi.Name;
if (EnterToDirs && fi.IsDir())
{
FString s = resPath;
s.Add_PathSepar();
Prefixes.Add(s);
s += FCHAR_ANY_MASK;
Enumerators.Add(NFind::CEnumerator(BasePrefix + s));
}
filled = true;
return S_OK;
}
