private static void CancelCurrentStream()
{
if (TTS.getReader().State == SynthesizerState.Speaking)
{
TTS.getReader().SpeakAsyncCancelAll();
TTS.setReader();
}
}
private static void SetServer()
{
try
{
TTS.setReader();
IPAddress localAdd = IPAddress.Parse(SERVER_IP);
TcpListener listener = new TcpListener(localAdd, PORT_NO);
Console.WriteLine(ConfigurationManager.AppSettings["ServerInitalState"]);
listener.Start();
//---incoming client connected---
TcpClient client = listener.AcceptTcpClient();
listener.Stop();
bool isVrbstyChar = false;
bool isPDFMode = false;
bool IsLatexDocument = false;
while (client.Connected)
{
NetworkStream nwStream = client.GetStream();
byte[] buffer = new byte[client.ReceiveBufferSize];
//---read incoming stream---
int bytesRead = 0;
string dataReceived = string.Empty;
try
{
bytesRead = nwStream.Read(buffer, 0, client.ReceiveBufferSize);
}
catch (IOException e)
{
// break;
}
//---convert the data received into a string---
dataReceived = Encoding.ASCII.GetString(buffer, 0, bytesRead);
Console.WriteLine("Recevie Data From Client: " + dataReceived);
if (dataReceived.Length == 1)
{
CancelCurrentStream();
dataReceived = CurserMode.ParseSource(dataReceived);
TTS.Speak(dataReceived);
}
else if (dataReceived.Equals(ConfigurationManager.AppSettings["DataReceived_Next"]) ||
dataReceived.Equals(ConfigurationManager.AppSettings["DataReceived_Stop"]))
{
if (TTS.getReader().State == SynthesizerState.Paused)
{
TTS.getReader().Dispose();
TTS.setReader();
}
else
{
TTS.getReader().SpeakAsyncCancelAll();
}
if (dataReceived.Equals(ConfigurationManager.AppSettings["DataReceived_Next"]))
{
isError = true;
}
dataReceived = string.Empty;
isPDFMode = false;
//isVrbstyChar = false;
isMisSpelled = false;
}
else if (dataReceived.Equals(ConfigurationManager.AppSettings["DataReceived_LatexDcmnt"]))
{
dataReceived = string.Empty;
IsLatexDocument = true;
}
else if (IsLatexDocument)
{
if (dataReceived.ToLower().Contains("\\end{document}") || dataReceived.Equals("\\end{document}"))
{
dataReceived = strAppendLatexDocument + dataReceived;
strAppendLatexDocument = string.Empty;
PdfAccessibilityMode obj = new PdfAccessibilityMode(dataReceived);
obj.ConvertLatexEquationToText();
//---write back the text to the client---
byte[] hey = Encoding.ASCII.GetBytes(PdfAccessibilityMode.LatexDocument);
Console.WriteLine("Sending back Client : " + PdfAccessibilityMode.LatexDocument);
nwStream.Write(hey, 0, hey.Length);
PdfAccessibilityMode.LatexDocument = string.Empty;
dataReceived = "";
IsLatexDocument = false;
nwStream.Flush();
//client.Close();
//Thread.Sleep(5000);
//nwStream.Dispose();
//listener.Stop();
//nwStream.Dispose();
//nwStream.Flush();
//listener.Stop();
//client.Close();
//listener.Start();
}
else
{
strAppendLatexDocument = dataReceived + "\n";
}
}
else if (isPDFMode)
{
PdfMode mathObj = new PdfMode(dataReceived);
mathObj.filterLatexSourceCodeUsingOpenDetex();
dataReceived = "";
isPDFMode = false;
}
else if (dataReceived.Equals(ConfigurationManager.AppSettings["DataReceived_PDFMode"]))
{
CancelCurrentStream();
isPDFMode = true;
dataReceived = string.Empty;
Console.WriteLine(TTSProperties.MSG_PDF_MODE_ENABLED);
}
else if (dataReceived.Equals(ConfigurationManager.AppSettings["DataReceived_Pause"]))
{
TTS.TTS_Pause();
dataReceived = string.Empty;
Console.WriteLine(TTSProperties.MSG_TTS_PAUSED);
}
else if (dataReceived.Equals(ConfigurationManager.AppSettings["DataReceived_Resume"]))
{
TTS.TTS_Resume();
dataReceived = string.Empty;
Console.WriteLine(TTSProperties.MSG_TTS_RESUMED);
}
else if (dataReceived.Equals(ConfigurationManager.AppSettings["DataReceived_WordVrbsty"]))
{
isVrbstyChar = false;
dataReceived = string.Empty;
}
else if (dataReceived.Equals(ConfigurationManager.AppSettings["DataReceived_CharVrbsty"]))
{
isVrbstyChar = true;
dataReceived = string.Empty;
}
else if (dataReceived.Equals(ConfigurationManager.AppSettings["DataReceived_SpecialCmnd"]))
{
CancelCurrentStream();
isSpeicalCommand = true;
dataReceived = string.Empty;
}
else if (dataReceived.Equals(ConfigurationManager.AppSettings["DataReceived_IncreaseSpeed"]))
{
int speed = TTS.getReader().Rate + 1;
TTS.TTS_SetSpeed(speed);
dataReceived = string.Empty;
Console.WriteLine(TTSProperties.MSG_SPEED_INCREASED);
}
else if (dataReceived.Equals(ConfigurationManager.AppSettings["DataReceived_DecreaseSpeed"]))
{
int speed = TTS.getReader().Rate - 1;
TTS.TTS_SetSpeed(speed);
dataReceived = string.Empty;
Console.WriteLine(TTSProperties.MSG_SPEED_DECREASED);
}
else if (CurserMode.IsCurserMode(dataReceived))
{
string editorCmndValue = ConfigurationManager.AppSettings["DataReceived_EditorCmnd"];
if (dataReceived.Contains(editorCmndValue))
{
dataReceived = dataReceived.Contains(editorCmndValue) ? dataReceived.Replace(editorCmndValue, "") : dataReceived;
if (isVrbstyChar)
{
CancelCurrentStream();
//dataReceived = Encoding.Default.GetString(buffer, 0, bytesRead);
TTS.VBRCharModeTTSSpeak(dataReceived);
//isVrbstyChar = false;
continue;
}
}
dataReceived = CurserMode.ParseSource(dataReceived);
CancelCurrentStream();
TTS.Speak(dataReceived);
}
else if (dataReceived.Equals(ConfigurationManager.AppSettings["DataReceived_ChangeVoice"]))
{
isVoiceChange = true;
dataReceived = string.Empty;
}
else if (isVoiceChange)
{
isVoiceChange = false;
TTS.TTS_ChangeVoice(dataReceived);
dataReceived = string.Empty;
Console.WriteLine(TTSProperties.MSG_VOICE_CHANGED);
}
else if (!string.IsNullOrEmpty(dataReceived))
{
LookupTable();
//dataReceived = TextLineParsing(dataReceived);
if (isMisSpelled)
{
dataReceived = "misspelled \r\n" + dataReceived;
isMisSpelled = false;
}
if (isVrbstyChar && !isError && !isSpeicalCommand)
{
CancelCurrentStream();
//dataReceived = Encoding.Default.GetString(buffer, 0, bytesRead);
TTS.VBRCharModeTTSSpeak(dataReceived);
//isVrbstyChar = false;
continue;
}
dataReceived = TextLineParsing(dataReceived);
CancelCurrentStream();
TTS.Speak(dataReceived);
isError = false;
isSpeicalCommand = false;
}
}
}catch (Exception ex)
{
throw ex;
}
}