public void MoveTo(string destFileName)
{
var prefixFullname = PREFIX + filename;
var prefixFullnameCopy = PREFIX + destFileName;
var fileHandleFrom = ExternalCalls.CreateFile(prefixFullname,
ExternalCalls.ExtFileAccess.GenericRead, ExternalCalls.ExtFileShare.Read, IntPtr.Zero,
ExternalCalls.ECreationDisposition.OpenExisting, 0, IntPtr.Zero);
byte[] buffer;
using (var fileStream = new FileStream(fileHandleFrom, FileAccess.Read))
{
buffer = new byte[fileStream.Length];
fileStream.Read(buffer, 0, buffer.Length);
}
fileHandleFrom.Close();
var fileHandleTo = ExternalCalls.CreateFile(prefixFullnameCopy,
ExternalCalls.ExtFileAccess.GenericWrite, ExternalCalls.ExtFileShare.Write, IntPtr.Zero,
ExternalCalls.ECreationDisposition.CreateAlways, 0, IntPtr.Zero);
using (var fileStream = new FileStream(fileHandleTo, FileAccess.Write))
{
fileStream.Write(buffer, 0, buffer.Length);
}
fileHandleTo.Close();
ExternalCalls.DeleteFile(prefixFullname);
}
public IFileInfo CopyTo(string destFileName, bool overwrite)
{
var prefixFullname = PREFIX + filename;
var prefixFullnameCopy = PREFIX + destFileName;
var fileHandleFrom = ExternalCalls.CreateFile(prefixFullname,
ExternalCalls.ExtFileAccess.GenericRead, ExternalCalls.ExtFileShare.Read, IntPtr.Zero,
ExternalCalls.ECreationDisposition.OpenExisting, 0, IntPtr.Zero);
byte[] buffer;
using (var fileStream = new FileStream(fileHandleFrom, FileAccess.Read))
{
buffer = new byte[fileStream.Length];
fileStream.Read(buffer, 0, buffer.Length);
}
if (!fileHandleFrom.IsClosed)
{
fileHandleFrom.Close();
}
var fileHandleTo = ExternalCalls.CreateFile(prefixFullnameCopy,
ExternalCalls.ExtFileAccess.GenericWrite, ExternalCalls.ExtFileShare.Write, IntPtr.Zero,
ExternalCalls.ECreationDisposition.CreateAlways, 0, IntPtr.Zero);
using (var fileStream = new FileStream(fileHandleTo, FileAccess.Write))
{
fileStream.Write(buffer, 0, buffer.Length);
}
if (!fileHandleTo.IsClosed)
{
fileHandleTo.Close();
}
IFileInfo ifileInfo = new ExtendedFileInfo(destFileName);
return(ifileInfo);
}
public FileStream Open(FileMode fileMode, FileAccess fileAccess)
{
var prefixFullname = PREFIX + filename;
if (fileMode == FileMode.Open)
{
if (fileAccess == FileAccess.Write)
{
fileHandle = ExternalCalls.CreateFile(prefixFullname,
ExternalCalls.ExtFileAccess.GenericWrite, ExternalCalls.ExtFileShare.Write, IntPtr.Zero,
ExternalCalls.ECreationDisposition.OpenExisting, 0, IntPtr.Zero);
return(new FileStream(fileHandle, fileAccess));
}
else
{
fileHandle = ExternalCalls.CreateFile(prefixFullname,
ExternalCalls.ExtFileAccess.GenericRead, ExternalCalls.ExtFileShare.Read, IntPtr.Zero,
ExternalCalls.ECreationDisposition.OpenExisting, 0, IntPtr.Zero);
return(new FileStream(fileHandle, fileAccess));
}
}
else if (fileMode == FileMode.Create)
{
if (fileAccess == FileAccess.Write)
{
fileHandle = ExternalCalls.CreateFile(prefixFullname,
ExternalCalls.ExtFileAccess.GenericWrite, ExternalCalls.ExtFileShare.Write, IntPtr.Zero,
ExternalCalls.ECreationDisposition.CreateAlways, 0, IntPtr.Zero);
return(new FileStream(fileHandle, fileAccess));
}
else
{
fileHandle = ExternalCalls.CreateFile(prefixFullname,
ExternalCalls.ExtFileAccess.GenericRead, ExternalCalls.ExtFileShare.Read, IntPtr.Zero,
ExternalCalls.ECreationDisposition.CreateAlways, 0, IntPtr.Zero);
return(new FileStream(fileHandle, fileAccess));
}
}
else if (fileMode == FileMode.OpenOrCreate)
{
fileHandle = ExternalCalls.CreateFile(prefixFullname,
ExternalCalls.ExtFileAccess.GenericWrite, ExternalCalls.ExtFileShare.Write, IntPtr.Zero,
ExternalCalls.ECreationDisposition.OpenExisting, 0, IntPtr.Zero);
if (fileHandle == null)
{
fileHandle = ExternalCalls.CreateFile(prefixFullname,
ExternalCalls.ExtFileAccess.GenericWrite, ExternalCalls.ExtFileShare.Write, IntPtr.Zero,
ExternalCalls.ECreationDisposition.New, 0, IntPtr.Zero);
}
return(new FileStream(fileHandle, fileAccess));
}
return(null);
}
private void SetAttributes()
{
var prefixFullname = PREFIX + filename;
SafeFileHandle fileHandle = ExternalCalls.CreateFile(prefixFullname,
ExternalCalls.ExtFileAccess.GenericRead, ExternalCalls.ExtFileShare.Read, IntPtr.Zero,
ExternalCalls.ECreationDisposition.OpenExisting, 0, IntPtr.Zero);
if (fileHandle != null && !fileHandle.IsInvalid)
{
using (var fileStream = new FileStream(fileHandle, FileAccess.Read))
{
if (fileStream.Length > 0)
{
exists = true;
}
length = fileStream.Length;
}
name = filename.Split('\\').Last();
extention = filename.Split('.').Last();
IntPtr ptr = fileHandle.DangerousGetHandle();
var ftCreationTime = new FILETIME();
var ftLastAccessTime = new FILETIME();
var ftLastWriteTime = new FILETIME();
ExternalCalls.GetFileTime(ptr, ref ftCreationTime, ref ftLastAccessTime, ref ftLastWriteTime);
var creationTime = DateTime.FromFileTimeUtc((((long)ftCreationTime.dwHighDateTime) << 32) | ((uint)ftCreationTime.dwLowDateTime));
var lastAccessTime = DateTime.FromFileTimeUtc((((long)ftLastAccessTime.dwHighDateTime) << 32) | ((uint)ftLastAccessTime.dwLowDateTime));
var lastWriteTime = DateTime.FromFileTimeUtc((((long)ftLastWriteTime.dwHighDateTime) << 32) | ((uint)ftLastWriteTime.dwLowDateTime));
this.creationTime = creationTime;
if (!fileHandle.IsClosed)
{
fileHandle.Close();
}
if ((ExternalCalls.GetFileAttributes(prefixFullname) & FileAttributes.ReadOnly) == FileAttributes.ReadOnly)
{
this.readOnly = true;
}
}
}