private static void InternalDelete(string fullPath, string userPath, bool recursive)
{
string demandDir = GetDemandDir(fullPath, !recursive);
new FileIOPermission(FileIOPermissionAccess.Write, new string[] { demandDir }, false, false).Demand();
string path = Path.AddLongPathPrefix(fullPath);
Win32Native.WIN32_FILE_ATTRIBUTE_DATA data = new Win32Native.WIN32_FILE_ATTRIBUTE_DATA();
int errorCode = File.FillAttributeInfo(path, ref data, false, true);
switch (errorCode)
{
case 0:
goto Label_0051;
case 2:
errorCode = 3;
break;
}
__Error.WinIOError(errorCode, fullPath);
Label_0051:
if ((data.fileAttributes & 0x400) != 0)
{
recursive = false;
}
DeleteHelper(path, userPath, recursive);
}
// Called from DirectoryInfo as well. FullPath is fully qualified,
// while the user path is used for feedback in exceptions.
internal static void Delete(String fullPath, String userPath, bool recursive)
{
// Do not recursively delete through reparse points. Perhaps in a
// future version we will add a new flag to control this behavior,
// but for now we're much safer if we err on the conservative side.
// This applies to symbolic links and mount points.
Win32Native.WIN32_FILE_ATTRIBUTE_DATA data = new Win32Native.WIN32_FILE_ATTRIBUTE_DATA();
int dataInitialised = File.FillAttributeInfo(fullPath, ref data, false, true);
if (dataInitialised != 0)
{
// Ensure we throw a DirectoryNotFoundException.
if (dataInitialised == Win32Native.ERROR_FILE_NOT_FOUND)
{
dataInitialised = Win32Native.ERROR_PATH_NOT_FOUND;
}
__Error.WinIOError(dataInitialised, fullPath);
}
if (((FileAttributes)data.fileAttributes & FileAttributes.ReparsePoint) != 0)
{
recursive = false;
}
DeleteHelper(fullPath, userPath, recursive, true);
}
internal static long GetLength(string path)
{
string path1 = LongPath.NormalizePath(path);
new FileIOPermission(FileIOPermissionAccess.Read, new string[1] {
path1
}, 0 != 0, 0 != 0).Demand();
string path2 = Path.AddLongPathPrefix(path1);
Win32Native.WIN32_FILE_ATTRIBUTE_DATA fileAttributeData = new Win32Native.WIN32_FILE_ATTRIBUTE_DATA();
// ISSUE: explicit reference operation
// ISSUE: variable of a reference type
Win32Native.WIN32_FILE_ATTRIBUTE_DATA& data = @fileAttributeData;
int num1 = 0;
int num2 = 1;
int errorCode = File.FillAttributeInfo(path2, data, num1 != 0, num2 != 0);
if (errorCode != 0)
{
__Error.WinIOError(errorCode, path);
}
if ((fileAttributeData.fileAttributes & 16) != 0)
{
__Error.WinIOError(2, path);
}
return((long)fileAttributeData.fileSizeHigh << 32 | (long)fileAttributeData.fileSizeLow & (long)uint.MaxValue);
}
// Determine whether path describes an existing directory
// on disk, avoiding security checks.
internal static bool InternalExists(String path, out int lastError)
{
Win32Native.WIN32_FILE_ATTRIBUTE_DATA data = new Win32Native.WIN32_FILE_ATTRIBUTE_DATA();
lastError = File.FillAttributeInfo(path, ref data, false, true);
return((lastError == 0) && (data.fileAttributes != -1) &&
((data.fileAttributes & Win32Native.FILE_ATTRIBUTE_DIRECTORY) != 0));
}
// Determine whether path describes an existing directory
// on disk, avoiding security checks.
internal static bool InternalExists(String path)
{
Win32Native.WIN32_FILE_ATTRIBUTE_DATA data = new Win32Native.WIN32_FILE_ATTRIBUTE_DATA();
int dataInitialised = File.FillAttributeInfo(path, ref data, false);
if (dataInitialised != 0)
{
return(false);
}
return(data.fileAttributes != -1 && (data.fileAttributes & Win32Native.FILE_ATTRIBUTE_DIRECTORY) != 0);
}
public static FileAttributes GetAttributes(string path)
{
string fullPathInternal = Path.GetFullPathInternal(path);
new FileIOPermission(FileIOPermissionAccess.Read, new string[] { fullPathInternal }, false, false).Demand();
Win32Native.WIN32_FILE_ATTRIBUTE_DATA data = new Win32Native.WIN32_FILE_ATTRIBUTE_DATA();
int errorCode = FillAttributeInfo(fullPathInternal, ref data, false, true);
if (errorCode != 0)
{
__Error.WinIOError(errorCode, fullPathInternal);
}
return((FileAttributes)data.fileAttributes);
}
public static DateTime GetLastWriteTimeUtc(string path)
{
string fullPathInternal = Path.GetFullPathInternal(path);
new FileIOPermission(FileIOPermissionAccess.Read, new string[] { fullPathInternal }, false, false).Demand();
Win32Native.WIN32_FILE_ATTRIBUTE_DATA data = new Win32Native.WIN32_FILE_ATTRIBUTE_DATA();
int errorCode = FillAttributeInfo(fullPathInternal, ref data, false, false);
if (errorCode != 0)
{
__Error.WinIOError(errorCode, fullPathInternal);
}
long fileTime = (data.ftLastWriteTimeHigh << 0x20) | data.ftLastWriteTimeLow;
return(DateTime.FromFileTimeUtc(fileTime));
}
internal static DateTimeOffset GetLastWriteTime(string path)
{
string text = LongPath.NormalizePath(path);
FileIOPermission.QuickDemand(FileIOPermissionAccess.Read, text, false, false);
string path2 = Path.AddLongPathPrefix(text);
Win32Native.WIN32_FILE_ATTRIBUTE_DATA win32_FILE_ATTRIBUTE_DATA = default(Win32Native.WIN32_FILE_ATTRIBUTE_DATA);
int num = File.FillAttributeInfo(path2, ref win32_FILE_ATTRIBUTE_DATA, false, false);
if (num != 0)
{
__Error.WinIOError(num, text);
}
DateTime dateTime = DateTime.FromFileTimeUtc(win32_FILE_ATTRIBUTE_DATA.ftLastWriteTime.ToTicks()).ToLocalTime();
return(new DateTimeOffset(dateTime).ToLocalTime());
}
internal static DateTimeOffset GetCreationTime(string path)
{
string str = LongPath.NormalizePath(path);
new FileIOPermission(FileIOPermissionAccess.Read, new string[] { str }, false, false).Demand();
string str2 = Path.AddLongPathPrefix(str);
Win32Native.WIN32_FILE_ATTRIBUTE_DATA data = new Win32Native.WIN32_FILE_ATTRIBUTE_DATA();
int errorCode = File.FillAttributeInfo(str2, ref data, false, false);
if (errorCode != 0)
{
__Error.WinIOError(errorCode, str);
}
long fileTime = (data.ftCreationTimeHigh << 0x20) | data.ftCreationTimeLow;
DateTimeOffset offset = new DateTimeOffset(DateTime.FromFileTimeUtc(fileTime).ToLocalTime());
return(offset.ToLocalTime());
}
internal static long GetLength(string path)
{
string str = LongPath.NormalizePath(path);
new FileIOPermission(FileIOPermissionAccess.Read, new string[] { str }, false, false).Demand();
string str2 = Path.AddLongPathPrefix(str);
Win32Native.WIN32_FILE_ATTRIBUTE_DATA data = new Win32Native.WIN32_FILE_ATTRIBUTE_DATA();
int errorCode = File.FillAttributeInfo(str2, ref data, false, true);
if (errorCode != 0)
{
__Error.WinIOError(errorCode, path);
}
if ((data.fileAttributes & 0x10) != 0)
{
__Error.WinIOError(2, path);
}
return((data.fileSizeHigh << 0x20) | (data.fileSizeLow & ((long)0xffffffffL)));
}
internal static long GetLength(string path)
{
string text = LongPath.NormalizePath(path);
FileIOPermission.QuickDemand(FileIOPermissionAccess.Read, text, false, false);
string path2 = Path.AddLongPathPrefix(text);
Win32Native.WIN32_FILE_ATTRIBUTE_DATA win32_FILE_ATTRIBUTE_DATA = default(Win32Native.WIN32_FILE_ATTRIBUTE_DATA);
int num = File.FillAttributeInfo(path2, ref win32_FILE_ATTRIBUTE_DATA, false, true);
if (num != 0)
{
__Error.WinIOError(num, path);
}
if ((win32_FILE_ATTRIBUTE_DATA.fileAttributes & 16) != 0)
{
__Error.WinIOError(2, path);
}
return((long)win32_FILE_ATTRIBUTE_DATA.fileSizeHigh << 32 | ((long)win32_FILE_ATTRIBUTE_DATA.fileSizeLow & (long)((ulong)-1)));
}
internal static DateTimeOffset GetLastWriteTime(string path)
{
string str = LongPath.NormalizePath(path);
new FileIOPermission(FileIOPermissionAccess.Read, new string[1] {
str
}, 0 != 0, 0 != 0).Demand();
string path1 = Path.AddLongPathPrefix(str);
Win32Native.WIN32_FILE_ATTRIBUTE_DATA fileAttributeData = new Win32Native.WIN32_FILE_ATTRIBUTE_DATA();
// ISSUE: explicit reference operation
// ISSUE: variable of a reference type
Win32Native.WIN32_FILE_ATTRIBUTE_DATA& data = @fileAttributeData;
int num1 = 0;
int num2 = 0;
int errorCode = File.FillAttributeInfo(path1, data, num1 != 0, num2 != 0);
if (errorCode != 0)
{
__Error.WinIOError(errorCode, str);
}
return(new DateTimeOffset(DateTime.FromFileTimeUtc((long)fileAttributeData.ftLastWriteTimeHigh << 32 | (long)fileAttributeData.ftLastWriteTimeLow).ToLocalTime()).ToLocalTime());
}
private static void InternalDelete(string fullPath, string userPath, bool recursive)
{
string demandDir = LongPathDirectory.GetDemandDir(fullPath, !recursive);
FileIOPermission.QuickDemand(FileIOPermissionAccess.Write, demandDir, false, false);
string text = Path.AddLongPathPrefix(fullPath);
Win32Native.WIN32_FILE_ATTRIBUTE_DATA win32_FILE_ATTRIBUTE_DATA = default(Win32Native.WIN32_FILE_ATTRIBUTE_DATA);
int num = File.FillAttributeInfo(text, ref win32_FILE_ATTRIBUTE_DATA, false, true);
if (num != 0)
{
if (num == 2)
{
num = 3;
}
__Error.WinIOError(num, fullPath);
}
if ((win32_FILE_ATTRIBUTE_DATA.fileAttributes & 1024) != 0)
{
recursive = false;
}
LongPathDirectory.DeleteHelper(text, userPath, recursive, true);
}
internal void InitializeFrom(Win32Native.WIN32_FIND_DATA findData)
{
_data = new Win32Native.WIN32_FILE_ATTRIBUTE_DATA();
_data.PopulateFrom(findData);
_dataInitialised = 0;
}
internal static bool InternalExists(string path)
{
Win32Native.WIN32_FILE_ATTRIBUTE_DATA data = new Win32Native.WIN32_FILE_ATTRIBUTE_DATA();
return(((FillAttributeInfo(path, ref data, false, true) == 0) && (data.fileAttributes != -1)) && ((data.fileAttributes & 0x10) == 0));
}
internal static int FillAttributeInfo(string path, ref Win32Native.WIN32_FILE_ATTRIBUTE_DATA data, bool tryagain, bool returnErrorOnNotFound)
{
int num = 0;
if (tryagain)
{
Win32Native.WIN32_FIND_DATA win_find_data = new Win32Native.WIN32_FIND_DATA();
string fileName = path.TrimEnd(new char[] { Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar });
int num2 = Win32Native.SetErrorMode(1);
try
{
bool flag = false;
SafeFindHandle handle = Win32Native.FindFirstFile(fileName, win_find_data);
try
{
if (handle.IsInvalid)
{
flag = true;
num = Marshal.GetLastWin32Error();
if ((((num == 2) || (num == 3)) || (num == 0x15)) && !returnErrorOnNotFound)
{
num = 0;
data.fileAttributes = -1;
}
return(num);
}
}
finally
{
try
{
handle.Close();
}
catch
{
if (!flag)
{
__Error.WinIOError();
}
}
}
}
finally
{
Win32Native.SetErrorMode(num2);
}
data.PopulateFrom(win_find_data);
return(num);
}
bool flag2 = false;
int newMode = Win32Native.SetErrorMode(1);
try
{
flag2 = Win32Native.GetFileAttributesEx(path, 0, ref data);
}
finally
{
Win32Native.SetErrorMode(newMode);
}
if (!flag2)
{
num = Marshal.GetLastWin32Error();
if (((num != 2) && (num != 3)) && (num != 0x15))
{
return(FillAttributeInfo(path, ref data, true, returnErrorOnNotFound));
}
if (!returnErrorOnNotFound)
{
num = 0;
data.fileAttributes = -1;
}
}
return(num);
}
