public int PutFile(string filename)
{
byte[] txBuf = new byte[516];
int txCount;
string s = System.IO.File.ReadAllText(filename);
System.IO.StringReader sr = new System.IO.StringReader(s);
short blockNumber;
ASCIIEncoding ae = new ASCIIEncoding();
sendTftpPacket(Client.OP_CODE.WRQ, filename, null, -1);//send WRQ
char[] chunk = new char[512];
int dataLength = sr.ReadBlock(chunk, 0, 512);
do
{
txCount = recvTftpPacket(ref txBuf);
OP_CODE op = (OP_CODE)IPAddress.NetworkToHostOrder(BitConverter.ToInt16(txBuf, 0));
System.Diagnostics.Debug.Assert(op == OP_CODE.ACK);
blockNumber = IPAddress.NetworkToHostOrder(BitConverter.ToInt16(txBuf, 2));
//s += new string(ae.GetChars(rxBuf, sizeof(short) * 2, rxCount - 4 >= 4 ? rxCount - 4 : 0));
byte[] data = new byte[dataLength];
int chrCount, byteCount;
bool completed;
ae.GetEncoder().Convert(chunk, 0, dataLength, data, 0, data.Length, true, out chrCount, out byteCount, out completed);
sendTftpPacket(Client.OP_CODE.DATA, string.Empty, data, ++blockNumber);
} while ((dataLength = sr.ReadBlock(chunk, 0, 512)) == 512);
//sendTftpPacket(Client.OP_CODE.ACK, string.Empty, null, blockNumber);//final ACK
return(txCount);
}
public static double[][][] LoadAllText(string textPath)
{
double[][][] dio = new double[2][][];
string input = File.ReadAllText(textPath);
StringReader reader = new StringReader(input);
char[] buffer = new char[(32 + 1) * 32];
int count = 0;
List<double[]> ldi = new List<double[]>();
List<double[]> ldo = new List<double[]>();
while (true)
{
int read = reader.ReadBlock(buffer, 0, buffer.Length);
string label = reader.ReadLine();
if (read < buffer.Length || label == null) break;
double[] d = LoadText(new String(buffer));
double[] o = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
o[int.Parse(label)] = 1;
ldi.Add(d);
ldo.Add(o);
count++;
}
dio[0] = ldi.ToArray();
dio[1] = ldo.ToArray();
return dio;
}
/// <summary>
/// Formats the message string to appear exactly within
/// the defined number of characters in the ApplicationLog
/// class' "fileWidth" parameter.
/// </summary>
/// <param name="message"></param>
/// <returns></returns>
private static string GenerateFormatedString(string message)
{
string formatedText = "";
if (message.Length < fileWidth)
{
formatedText = message.PadRight(fileWidth);
}
else
{
int numCharsRead = -1;
char[] buffer = new char[fileWidth];
using (StringReader reader = new StringReader(message))
{
StringBuilder builder = new StringBuilder();
while (reader.Peek() != (-1))
{
numCharsRead = reader.ReadBlock(buffer, 0, buffer.Length);
if (numCharsRead > 0)
{
builder.Append(buffer, 0, numCharsRead);
builder.Append(Environment.NewLine);
}
}
formatedText = builder.ToString();
}
}
return formatedText;
}
public void Load()
{
string input = Properties.Resources.optdigits_tra;
// Load optdigits dataset into the DataGridView
StringReader reader = new StringReader(input);
Training = new ObservableCollection<Sample>();
Testing = new ObservableCollection<Sample>();
char[] buffer = new char[(32 + 1) * 32]; // 32 chars + \n
int count = 0;
while (true)
{
int read = reader.ReadBlock(buffer, 0, buffer.Length);
string label = reader.ReadLine();
if (read < buffer.Length || label == null)
break;
ObservableCollection<Sample> set =
(count < 1000) ? Training : Testing;
set.Add(extractSample(buffer, label));
count++;
}
if (IsNormalized)
{
double[][] training;
Training.GetInstances(out training);
mean = training.Mean();
dev = training.StandardDeviation();
double[][] testing;
Testing.GetInstances(out testing);
Normalize(training);
Normalize(testing);
}
}
/// Generate source code of the snippet
public string GenerateSourceCode(ScriptContext context,bool embedSourceCode, bool isPublic)
{
StringBuilder sb=new StringBuilder();
sb.Append(
@" {public}class {class} : {base}
{
public override object Execute()
");
sb .Replace("{class}", GetClassName())
.Replace("{public}", isPublic?"public ":"")
.Replace("{ctxclass}", context.Compiler.GetTypeName(context.GetType()))
.Replace("{base}", context.Compiler.GetTypeName(typeof(ExecutableScriptBase)));
sb.AppendLine();
string text = GetTransformedValueStr() ?? string.Empty;
sb.AppendLine("\t\t\t// ---- User code ----- ");
var t = text.Trim();
if (!t.StartsWith("{", StringComparison.Ordinal))
sb.AppendLine("{");
sb.Append(t);
sb.AppendLine();
sb.AppendLine("\t\t\t// ---- End of user code ----- ");
if (!t.StartsWith("{", StringComparison.Ordinal))
sb.AppendLine("\t\t\t;return null;}");
if (Methods!=null)
foreach (IScriptAction c in Methods.Items)
{
sb.AppendLine("");
string par = "",par2="null";
if (c is Sub)
{
par = "params object[] par";
par2 = "par";
}
sb.AppendLine("\tprivate object " + c.Id + "(" + par + ") { return XS.ReturnValue.Unwrap(((" + GetType().FullName + ")c.CallStack.Peek().ScriptAction).ExecuteMember(XS.CallIsolation.Default,\"" + c.Id + "\", " + par2 + "));}");
sb.AppendLine("\tprivate object " + c.Id + "_inline(" + par + ") { return ((" + GetType().FullName + ")c.CallStack.Peek().ScriptAction).ExecuteMember(XS.CallIsolation.None,\"" + c.Id + "\", " + par2 + ");}");
sb.AppendLine("\tprivate object " + c.Id + "<T>(" + par + ") { return XS.Utils.To<T>(XS.ReturnValue.Unwrap(((" + GetType().FullName + ")c.CallStack.Peek().ScriptAction).ExecuteMember(XS.CallIsolation.None,\"" + c.Id + "\", " + par2 + ")));}");
}
if (embedSourceCode)
{
sb.AppendLine("\t\t\tpublic override string GetSourceCode() {");
sb.Append("\t\t\t\treturn ");
sb.Append("@\"");
StringReader reader = new StringReader(Convert.ToBase64String(System.Text.Encoding.UTF8.GetBytes(text)));
char[] buf = new char[80];
int n;
while ((n = reader.ReadBlock(buf, 0, buf.Length)) != 0)
{
sb.Append(buf, 0, n);
if (n == buf.Length)
{
sb.AppendLine();
sb.Append("\t\t\t\t");
}
}
sb.Append("\"");
sb.AppendLine("\t\t\t;}");
}
sb.AppendLine("\t\t}");
return Utils.TransformStr(sb.ToString(), TransformRules.NewLineToCRLF);
}
private void btnLoad_Click(object sender, EventArgs e)
{
lbStatus.Text = "Loading data. This may take a while...";
Application.DoEvents();
// Load optdigits dataset into the DataGridView
StringReader reader = new StringReader(Resources.optdigits_tra);
int trainingStart = 0;
int trainingCount = 500;
int testingStart = 1000;
int testingCount = 500;
dgvAnalysisSource.Rows.Clear();
dgvAnalysisTesting.Rows.Clear();
int c = 0;
while (true)
{
char[] buffer = new char[(32 + 1) * 32]; // 32 chars + \n
int read = reader.ReadBlock(buffer, 0, buffer.Length);
string label = reader.ReadLine();
if (read < buffer.Length || label == null) break;
if (c > trainingStart && c <= trainingStart + trainingCount)
{
Bitmap bitmap = Extract(new String(buffer));
double[] features = Extract(bitmap);
int clabel = Int32.Parse(label);
dgvAnalysisSource.Rows.Add(bitmap, clabel, features);
}
else if (c > testingStart && c <= testingStart + testingCount)
{
Bitmap bitmap = Extract(new String(buffer));
double[] features = Extract(bitmap);
int clabel = Int32.Parse(label);
dgvAnalysisTesting.Rows.Add(bitmap, clabel, null, features);
}
c++;
}
lbStatus.Text = String.Format(
"Dataset loaded. Click Run analysis to start the analysis.",
trainingCount, testingCount);
btnSampleRunAnalysis.Enabled = true;
}
public static void MemoryBufferCopy(string source, string destin)
{
var stringBuilder = new StringBuilder();
string content;
using (var textReader = (TextReader)new StreamReader(new FileStream(source, FileMode.Open))) // TODO: use StreamReader here
{
// TODO: read entire file
content = textReader.ReadToEnd();
}
using (var sourceReader = new StringReader(content)) // TODO: Use StringReader here with content
using (var sourceWriter = new StringWriter(stringBuilder)) // TODO: Use StringWriter here with stringBuilder
{
string line = null;
do
{
line = sourceReader.ReadLine(); // TODO: read line
if (line != null)
{
sourceWriter.WriteLine(line); // TODO: write line
}
} while (line != null);
}
Console.WriteLine("MemoryBufferCopy(): chars in StringBuilder {0}", stringBuilder.Length);
const int blockSize = 1024;
using (var stringReader = new StringReader(stringBuilder.ToString())) // TODO: Use StringReader to read from stringBuilder.
using (var memoryStream = new MemoryStream(blockSize))
using (var streamWriter = new StreamWriter(memoryStream)) // TODO: Compose StreamWriter with memory stream.
using (var destinStream = new FileStream(destin, FileMode.Append)) // TODO: Use file stream.
{
char[] buffer = new char[blockSize];
int bytesRead;
do
{
bytesRead = stringReader.ReadBlock(buffer,0, blockSize); // TODO: Read block from stringReader to buffer.
streamWriter.WriteLine(buffer); // TODO: Write buffer to streamWriter.
//TODO: After implementing everythin check the content of NewTextFile. What's wrong with it, and how this may be fixed?
// TODO: write memoryStream.GetBuffer() content to destination stream.
destinStream.Write(memoryStream.GetBuffer(), 0, blockSize);
}
while (bytesRead == blockSize);
}
}
private void btnLoad_Click(object sender, EventArgs e)
{
Cursor = Cursors.WaitCursor;
Application.DoEvents();
// Load optdigits dataset into the DataGridView
var trainingReader = new StringReader(Properties.Resources.optdigits_tra);
var testingReader = new StringReader(Properties.Resources.optdigits_test);
var trainingCount = 500;
var testingCount = 500;
dgvAnalysisSource.Rows.Clear();
dgvAnalysisTesting.Rows.Clear();
var trainingSet = new List<DigitData>();
//Load training data
for (var i = 0; i < trainingCount;i++ )
{
char[] buffer = new char[(32 + 2) * 32];
int read = trainingReader.ReadBlock(buffer, 0, buffer.Length);
string label = trainingReader.ReadLine();
if (read < buffer.Length || label == null) break;
var bitmap = _dataExtractionService.Extract(new String(buffer));
var features = _dataExtractionService.Extract(bitmap);
var clabel = label;
dgvAnalysisSource.Rows.Add(bitmap, clabel, features);
if (features != null)
trainingSet.Add(new DigitData { Label = label, Feature = features });
}
//Load testing data
for (var i = 0; i < testingCount;i++ )
{
char[] buffer = new char[(32 + 2) * 32];
int read = testingReader.ReadBlock(buffer, 0, buffer.Length);
string label = testingReader.ReadLine();
if (read < buffer.Length || label == null) break;
var bitmap = _dataExtractionService.Extract(new String(buffer));
var features = _dataExtractionService.Extract(bitmap);
var clabel = label;
dgvAnalysisTesting.Rows.Add(bitmap, clabel, null, features);
}
//Assign training set to KNN Service
_kNNService.SetTrainingSet(trainingSet);
Cursor = Cursors.Default;
}
/// <summary>
/// Updates the application.
/// </summary>
public void Update(Action<UpdateStatus, object> callback)
{
callback(UpdateStatus.Starting, null);
diff_match_patch dmf = new diff_match_patch();
WebClient client = new WebClient();
callback(UpdateStatus.RetrievingFileList, null);
string state = client.DownloadString(this.m_UpdateUri + "/initial");
string[] lines = state.Split(new string[] { "\r\n", "\n" }, StringSplitOptions.RemoveEmptyEntries);
callback(UpdateStatus.RetrievedFileList, lines.Length);
int opers = 0;
foreach (string line in lines)
{
Hash hash = Hash.FromString(line.Split(new char[] { ' ' }, 2)[0]);
string file = line.Split(new char[] { ' ' }, 2)[1];
callback(UpdateStatus.DeterminingOperation, file);
// See if file already exists.
if (File.Exists(Path.Combine(this.m_LocalPath, file)) || hash == Hash.Empty)
{
if (hash == Hash.Empty)
{
// Delete the local file if it exists.
if (File.Exists(Path.Combine(this.m_LocalPath, file)))
{
callback(UpdateStatus.DeletionStart, file);
File.Delete(Path.Combine(this.m_LocalPath, file));
callback(UpdateStatus.DeletionFinish, file);
opers++;
}
}
else
{
// Compare hashes, ignore if same.
Hash current = Hash.FromFile(Path.Combine(this.m_LocalPath, file));
if (current == hash)
continue;
// Download patch.
string patchstream;
try
{
patchstream = client.DownloadString(this.m_UpdateUri + "/patch/" + current + "/" + hash + "/" + file);
callback(UpdateStatus.PatchStart, file);
int a = 1;
using (StringReader reader = new StringReader(patchstream))
{
while (true)
{
string header = reader.ReadLine();
if (header == "--- END OF PATCHES ---")
break;
else if (header.StartsWith("--- NEXT PATCH ("))
{
int count = Convert.ToInt32(header.Substring("--- NEXT PATCH (".Length, header.Length - "--- NEXT PATCH () ---".Length));
char[] data = new char[count];
reader.ReadBlock(data, 0, count);
List<Patch> patches = dmf.patch_fromText(new string(data));
string newText;
using (StreamReader stream = new StreamReader(Path.Combine(this.m_LocalPath, file)))
{
newText = (string)dmf.patch_apply(patches, stream.ReadToEnd())[0];
}
using (StreamWriter stream = new StreamWriter(Path.Combine(this.m_LocalPath, file)))
{
stream.Write(newText);
}
callback(UpdateStatus.PatchApplied, a);
a++;
// Read the empty terminator line.
reader.ReadLine();
}
else
throw new DataMisalignedException();
}
}
callback(UpdateStatus.PatchFinish, file);
opers++;
}
catch (WebException)
{
// There's no patch list for this file, redownload.
string[] coms = file.Split('/');
DirectoryInfo di = new DirectoryInfo(this.m_LocalPath);
for (int i = 0; i < coms.Length - 1; i++)
{
DirectoryInfo[] dis = di.GetDirectories(coms[i]);
if (dis.Length == 0)
di = di.CreateSubdirectory(coms[i]);
else
di = dis[0];
}
callback(UpdateStatus.DownloadFreshStart, file);
client.DownloadFile(this.m_UpdateUri + "/file/" + file, Path.Combine(this.m_LocalPath, file));
callback(UpdateStatus.DownloadFreshFinish, file);
opers++;
}
}
}
else
{
// File does not exist, download fresh.
string[] coms = file.Split('/');
DirectoryInfo di = new DirectoryInfo(this.m_LocalPath);
for (int i = 0; i < coms.Length - 1; i++)
{
DirectoryInfo[] dis = di.GetDirectories(coms[i]);
if (dis.Length == 0)
di = di.CreateSubdirectory(coms[i]);
else
di = dis[0];
}
callback(UpdateStatus.DownloadNewStart, file);
client.DownloadFile(this.m_UpdateUri + "/file/" + file, Path.Combine(this.m_LocalPath, file));
callback(UpdateStatus.DownloadNewFinish, file);
opers++;
}
}
callback(UpdateStatus.Complete, opers);
return;
}
public int PutFile(string filename)
{
byte[] txBuf = new byte[516];
int txCount;
string s = System.IO.File.ReadAllText(filename);
System.IO.StringReader sr = new System.IO.StringReader(s);
short blockNumber;
ASCIIEncoding ae = new ASCIIEncoding();
sendTftpPacket(Client.OP_CODE.WRQ, filename, null, -1);//send WRQ
char[] chunk = new char[512];
int dataLength = sr.ReadBlock(chunk,0,512);
do
{
txCount = recvTftpPacket(ref txBuf);
OP_CODE op = (OP_CODE)IPAddress.NetworkToHostOrder(BitConverter.ToInt16(txBuf, 0));
System.Diagnostics.Debug.Assert(op==OP_CODE.ACK);
blockNumber = IPAddress.NetworkToHostOrder(BitConverter.ToInt16(txBuf, 2));
//s += new string(ae.GetChars(rxBuf, sizeof(short) * 2, rxCount - 4 >= 4 ? rxCount - 4 : 0));
byte[] data = new byte[dataLength];
int chrCount,byteCount;
bool completed;
ae.GetEncoder().Convert(chunk,0,dataLength,data,0,data.Length,true,out chrCount,out byteCount,out completed);
sendTftpPacket(Client.OP_CODE.DATA, string.Empty, data, ++blockNumber);
} while ((dataLength=sr.ReadBlock(chunk, 0, 512)) == 512);
//sendTftpPacket(Client.OP_CODE.ACK, string.Empty, null, blockNumber);//final ACK
return txCount;
}
public static string Subsection(string original, int length)
{
if (original == null)
{
throw new ArgumentNullException("original");
}
if (original.Length < length)
{
return original;
}
StringReader reader = null;
StringBuilder builder = null;
try
{
builder = new StringBuilder();
reader = new StringReader(original);
char[] buffer = new char[length];
while (true)
{
int num = reader.ReadBlock(buffer, 0, buffer.Length);
if (num == 0)
{
goto Label_0070;
}
builder.Append(new string(buffer, 0, num));
builder.Append("\r\n");
}
}
finally
{
if (reader != null)
{
try
{
reader.Close();
}
catch
{
}
reader = null;
}
}
Label_0070:
return builder.ToString();
}
public static string CalDAV_FoldLines(string s)
{
StringBuilder sb = new StringBuilder();
using ( TextReader rdr = new StringReader(s) )
{
char[] arr = new char[75];
int n = 0;
while ( (n = rdr.ReadBlock(arr, 0, 75)) > 0 )
{
if ( sb.Length > 0 )
sb.Append("\r\n ");
sb.Append(arr, 0, n);
}
}
return sb.ToString();
}