/**
* @brief Scans a project location of file and fills the BBCodeBase.
* @param fileName is path to a directory or a single file.
* @param bbCodeBase clears all entries in this object and adds the new entries.
* @return true on successful scan.
*/
private static bool ScanSingleFile(string fileName, ref BBCodeBase bbCodeBase)
{
try
{
// Open the file as text.
StreamReader sr = File.OpenText(fileName);
// Iterate all lines until the end.
string lineText;
int lineNumber = 0;
while (!sr.EndOfStream)
{
// Read single line.
lineText = sr.ReadLine();
lineNumber++;
// Try to parse the line with descriptor parser. Result is not null if successful.
BBCodeObject bbCode = BBCodeDescriptorParser.Parse(lineText, fileName, lineNumber);
// Add to the database (only if not null).
bbCodeBase.AddBBCode(bbCode);
}
// Close the file.
sr.Close();
// Everything is OK.
return(true);
}
catch { }
// Problem occured.
return(false);
}
/**
* @brief Periodically called serial data receiver and parser.
* @param bbCodeBase BBCode database to process the received data.
* @param maxDataRows data table line number limit.
* @return true if new message received and processed.
*/
public bool GetSerialData(ref BBCodeBase bbCodeBase, int maxDataRows)
{
// Save the time on entry to measure performance.
DateTime timeEntry = DateTime.Now;
// Keep a flag that is true when a new line received.
bool newDataReceived = false;
// Null check for serial port. Then check if there is data ready to be read.
if ((serialPort != null) && (serialPort.IsOpen) && (serialPort.BytesToRead > 0))
{
// Read and append all available data into buffer.
serialData += serialPort.ReadExisting();
// Split the the buffer data into lines.
string[] serialLines = serialData.Split('\n');
// Start dataTable update.
dataTable.BeginLoadData();
// Process all lines except the last element, because it is not completed yet.
for (int i = 0; i < (serialLines.Length - 1); i++)
{
// Process the received line of text.
newDataReceived |= ProcessReceivedLine(serialLines[i], ref bbCodeBase, ref dataTable);
// Remove the old lines to limit the data table size.
DeleteOldLines(ref dataTable, maxDataRows);
}
// Assign the unused (last) element to the buffer.
serialData = serialLines[serialLines.Length - 1];
}
// If new data received and processed successfully.
if (newDataReceived)
{
// Conclude dataTable update.
dataTable.EndLoadData();
// Log the time spent here.
TimeSpan timeSpan = DateTime.Now.Subtract(timeEntry);
Console.WriteLine("GetSerialData time[ms]: " + timeSpan.TotalMilliseconds + " Rows: " + dataTable.Rows.Count);
}
// Return.
return(newDataReceived);
}
/**
* @brief Process the received line of data.
* @param receivedLine the unprocessed line data.
* @param dataTable Data table to fill the received data.
* @param bbCodeBase BBCode database to process the received data.
*/
private bool ProcessReceivedLine(string receivedLine, ref BBCodeBase bbCodeBase, ref DataTable dataTable)
{
// Decode the message.
string decodedMessage = bbCodeBase.GetDecodedMessage(receivedLine);
// Check message length.
if (decodedMessage != "")
{
// Add time.
dataTable.Rows.Add(new object[] { DateTime.Now.ToString("HH:mm:ss.ffffff"), decodedMessage });
// Return true.
return(true);
}
else
{
// Return false.
return(false);
}
}
/**
* @brief Scans a project location of file and fills the BBCodeBase.
* @param projectPath is path to a directory or a single file.
* @param supportedFileExtensions string array of extensions.
* @param bbCodeBase clears all entries in this object and adds the new entries.
* @return true if entries are found.
*/
public static bool Scan(string projectPath, string[] supportedFileExtensions, ref BBCodeBase bbCodeBase)
{
// Create an empty BBCode database.
bbCodeBase = new BBCodeBase();
// Check if the given is a file or directory.
if (File.Exists(projectPath))
{
// Scan single file.
ScanSingleFile(projectPath, ref bbCodeBase);
}
else
{
// Create empty file list.
string[] fileList = { };
// Try to get file names under the selected path.
try
{
fileList = Directory.GetFiles(projectPath, "*.*", SearchOption.AllDirectories);
}
catch { };
// Get the selected path and make sure that its not empty.
if (fileList.Length > 0)
{
// Iterate all files under the selected path.
foreach (string fileName in fileList)
{
// Check the file extension for allowed extensions.
if (File.Exists(fileName) && ((fileList.Length == 1) || supportedFileExtensions.Contains(Path.GetExtension(fileName).TrimStart('.'))))
{
ScanSingleFile(fileName, ref bbCodeBase);
}
}
}
}
// Success if descriptors are found.
return(bbCodeBase.GetCodeCount() > 0);
}