public static void AssertBufferFilter(int wordLength, bool removing, char[] original, FilterableBuffer primer)
{
var filter = new TextFilter(wordLength, removing, original.Length);
filter.FilterBuffer(original);
CustomAssert.AreEqual(filter, primer);
}
public void Filter(object o)
{
var args = (FiltrationArgs)o;
var temp = m_processes[args.ProcessID];
StreamReader reader = null;
StreamWriter writer = null;
try
{
var targetDriveName = args.To.Split(new char[] { '\\', '/', ':' })[0];
var freeSpace = new DriveInfo(targetDriveName).AvailableFreeSpace;
var fileSize = new FileInfo(args.From).Length;
if (freeSpace < fileSize)
{
throw new Exception("Not enough space for " + args.To);
}
int bufferSize = (int)Math.Min(m_processRAM, fileSize);
reader = new StreamReader(new FileStream(args.From, FileMode.Open, FileAccess.Read), Encoding.UTF8);
writer = new StreamWriter(new FileStream(args.To, FileMode.CreateNew, FileAccess.ReadWrite), Encoding.UTF8);
var filter = new TextFilter(args.Length, args.Removing, bufferSize);
int bytesRead = 0;
while (!reader.EndOfStream)
{
var readBuf = new char[bufferSize];
reader.Read(readBuf, 0, bufferSize);
bytesRead += Encoding.UTF8.GetByteCount(readBuf);
filter.FilterBuffer(readBuf);
writer.Write(filter.Buffer, 0, filter.Size);
int percentage = (int)((double)bytesRead * 100 / fileSize);
temp.Percentage = percentage;
if (percentage >= 100)
{
temp.IsDone = true;
}
lock (m_processesLock)
m_processes[args.ProcessID] = temp;
RaisePropertyChanged("Processes");
}
}
catch (Exception ex)
{
temp.IsAborted = true;
lock (m_processesLock)
m_processes[args.ProcessID] = temp;
RaisePropertyChanged("Processes");
MessageBox.Show(ex.Message);
}
finally
{
if (writer != null)
{
writer.Dispose();
}
if (reader != null)
{
reader.Dispose();
}
}
}
public static void AssertTwoBuffersFilter(int wordLength, bool removing, Tuple <char[], char[]> originals, Tuple <char[], char[]> primers)
{
var filter = new TextFilter(wordLength, removing, originals.Item1.Length);
filter.FilterBuffer(originals.Item1);
CustomAssert.AreEqual(filter.Buffer, primers.Item1);
filter.FilterBuffer(originals.Item2);
CustomAssert.AreEqual(filter.Buffer, primers.Item2);
}
