private static int ReadDayCodeLine(string line)
{
CheckNullLine(line, "day code");
LoggedException.RaiseIf(line[0] != '-' || line.Length != 6, nameof(PASReader), "Invalid day code format");
return(int.Parse(line.Substring(1, 5)));
}
private ConstructorInfo AddCtor(Type t)
{
Log.Verbose(nameof(ReflectionCache), $"Adding constructor for type '{t.Name}' to cache");
ConstructorInfo result = t.GetConstructor(ctorTypes);
LoggedException.RaiseIf(result == null, $"Cannot find serializable constructor for type: '{t.Name}'");
ctors = ctors.Concat(result);
return(result);
}
/// <summary>
/// Removes an item at the specified index.
/// </summary>
/// <param name="index"> The specified index. </param>
/// <exception cref="LoggedException"> The index was out of range. </exception>
public void RemoveAt(int index)
{
LoggedException.RaiseIf(index >= Count, nameof(ThreadSafeList <T>), "index out of range");
EnterWriteLock();
ShiftLeft(index);
--size;
ExitWriteLock();
}
/// <summary>
/// Inserts an item at the specified index.
/// </summary>
/// <param name="index"> The position of the new item. </param>
/// <param name="item"> The item to be added. </param>
/// <exception cref="LoggedException"> The index was out of range. </exception>
public void Insert(int index, T item)
{
LoggedException.RaiseIf(index >= Count, nameof(ThreadSafeList <T>), "index out of range");
EnterWriteLock();
ShiftRight(index);
data[index] = item;
++size;
ExitWriteLock();
}
/// <summary>
/// Initializes a new instance of the <see cref="StopableThread"/> class.
/// </summary>
/// <param name="init"> The function to call when initialzing the run loop (can be <see langword="null"/>). </param>
/// <param name="term"> The function to call when terminating the run loop (can be <see langword="null"/>). </param>
/// <param name="tick"> The function that handles the thread tick, cannot be <see langword="null"/>. </param>
/// <param name="name"> The name of the thread. </param>
public StopableThread(ThreadStart init, ThreadStart term, ThreadStart tick, string name = null)
{
LoggedException.RaiseIf(tick == null, nameof(StopableThread), "Unable to create thread!", new ArgumentNullException("tick", "tick cannot be null!"));
TickCooldown = 10;
this.init = init;
this.term = term;
this.tick = tick;
Name = name;
nameSet = !string.IsNullOrEmpty(name);
thread = ThreadBuilder.CreateSTA(Run, name);
}
private static RouteStop ReadStopStartLine(string line)
{
CheckNullLine(line, "route start line");
LoggedException.RaiseIf(line[0] != '>' || line[8] != ',' || line.Length != 13, nameof(PASReader), "Invalid route start format");
RouteStop result = new RouteStop {
Id = line.Substring(1, 6)
};
result.SetLeaveFromString(line.Substring(9, 4));
return(result);
}
private static BigRouteStop ReadBigStopLine(string line)
{
CheckNullLine(line, "big route line");
LoggedException.RaiseIf(line[0] != '+' || line[8] != ',' || line.Length != 18, nameof(PASReader), "Invalid big route format");
BigRouteStop result = new BigRouteStop {
Id = line.Substring(1, 6)
};
result.SetLeaveFromString(line.Substring(9, 4));
result.SetArriveFromString(line.Substring(14, 4));
return(result);
}
private static void CheckValidity(string line)
{
CheckNullLine(line, "validity");
LoggedException.RaiseIf(line[0] != '&' || line[9] != '-' || line.Length != 18, nameof(PASReader), "Invalid validity format");
DateTime start = DateTime.ParseExact(line.Substring(1, 8), "ddMMyyyy", CultureInfo.InvariantCulture);
DateTime end = DateTime.ParseExact(line.Substring(10, 8), "ddMMyyyy", CultureInfo.InvariantCulture);
if (start > DateTime.Now)
{
Log.Warning(nameof(PASReader), $"Validty is not yet active ({start})");
}
if (end < DateTime.Now)
{
Log.Warning(nameof(PASReader), $"Validity is no longer active ({end})");
}
}
private static RETRoute ReadRouteLine(string line)
{
CheckNullLine(line, "route");
LoggedException.RaiseIf(line[0] != '#' || line[2] != ',' || line[9] != ',' ||
line[13] != ',' || line[15] != ',' || line.Length != 21, nameof(PASReader), "Invalid route line format");
RETRoute result = new RETRoute
{
CompanyId = int.Parse(line.Substring(3, 5)),
LineNum = int.Parse(line.Substring(10, 2)),
Direction = (Direction)Convert.ToInt32(line[14]),
RouteNum = int.Parse(line.Substring(16, 4))
};
result.SetTypeFromChar(line[1]);
return(result);
}
/// <summary>
/// Reads specified types from a specified file.
/// </summary>
/// <typeparam name="T"> The type attempt to serialize to. </typeparam>
/// <param name="fileName"> A absolute or relative path to the file. </param>
/// <param name="ctor"> A function to user as the types constructor. </param>
/// <returns> A list of serialized objects. </returns>
private static List <T> ReadTypeFromFile <T>(string fileName)
where T : ISerializable, new()
{
fileName = $"{Settings.Default.DataDirectory}{fileName}"; // Get the full path to the file.
List <T> result = new List <T>();
curLine = 0;
LoggedException.RaiseIf(!(fileName.EndsWith(".csv") || fileName.EndsWith(".HLT")), nameof(CSVReader), // Raise an exception if the files isn't a .csv file.
$"Cannot open file with extension {Path.GetExtension(fileName)}, supply .csv file");
try
{
using (StreamReader sr = new StreamReader(fileName)) // Open a read stream to the file.
{
Log.Verbose(nameof(CSVReader), $"Started parsing file: '{Path.GetFileName(fileName)}'");
char[] splitChars = fileName.EndsWith(".csv") ? new char[] { ';' } : new char[] { ',' };
string line;
while ((line = sr.ReadLine()) != null) // Read all lines.
{
++curLine; // Increment the current line.
T cur;
if (DeserializeType(line, splitChars, out cur))
{
result.Add(cur); // Deserialzie a type from the current line.
}
}
Log.Info(nameof(CSVReader), $"File contains {result.Count} readable entries");
}
}
catch (Exception e)
{
Log.Fatal(nameof(CSVReader), new FileLoadException($"An unhandled exception was raised during the processing of file: '{Path.GetFullPath(fileName)}'", e));
}
Log.Verbose(nameof(CSVReader), $"Finished parsing file: '{Path.GetFileName(fileName)}'");
return(result);
}
/// <summary>
/// Gets or sets a value at the specified index.
/// </summary>
/// <param name="index"> The secified index. </param>
/// <returns> The value at the specified index. </returns>
/// <exception cref="LoggedException"> The index was out of range. </exception>
public T this[int index]
{
get
{
LoggedException.RaiseIf(index >= Count, nameof(ThreadSafeList <T>), "index out of range");
EnterReadLock();
T result = data[index];
ExitReadLock();
return(result);
}
set
{
LoggedException.RaiseIf(index >= Count, nameof(ThreadSafeList <T>), "index out of range");
EnterWriteLock();
data[index] = value;
ExitWriteLock();
}
}
internal static void AddLogger(IDisposable sender)
{
LoggedException.RaiseIf(loggerActive, nameof(ConsoleLogger), "A logger is already active!");
loggerActive = true;
loggerDispose += sender.Dispose;
}
/// <summary>
/// Attemps to enter a write lock.
/// </summary>
/// <exception cref="LoggedException"> Method timed out. </exception>
protected void EnterWriteLock()
{
LoggedException.RaiseIf(!locker.TryEnterWriteLock(LockTimeout), nameof(LockableObject), "Unable to enter write lock");
writeActive = true;
}
/// <summary>
/// Attempts to enter a read lock.
/// </summary>
/// <exception cref="LoggedException"> Method timed out. </exception>
protected void EnterReadLock()
{
LoggedException.RaiseIf(!locker.TryEnterReadLock(LockTimeout), nameof(LockableObject), "Unable to enter read lock");
readActive = true;
}
private static void CheckOverflow(string func, int check, int max)
{
LoggedException.RaiseIf(check <1 || check> max, nameof(BitWriter), $"{func} can only write between 1 and {max} bits");
}
private static void CheckFormat(string line)
{
CheckNullLine(line, "format");
LoggedException.RaiseIf(line != "!RETPAS1", nameof(PASReader), "Unknown PAS format");
}
public static List <RETRoute> ReadRoutesFromFile(string fileName)
{
fileName = $"{Settings.Default.DataDirectory}{fileName}";
List <RETRoute> result = new List <RETRoute>();
curLine = 0;
LoggedException.RaiseIf(!fileName.EndsWith(".PAS"), nameof(PASReader),
$"Cannot open file with extension {Path.GetExtension(fileName)}, supply .pas file");
try
{
using (StreamReader sr = new StreamReader(fileName))
{
Log.Verbose(nameof(CSVReader), $"Started parsing file: '{Path.GetFileName(fileName)}'");
RETRoute cur = null;
string line;
while ((line = sr.ReadLine()) != null)
{
++curLine;
try
{
switch (line[0])
{
case ('!'):
CheckFormat(line);
break;
case ('&'):
CheckValidity(line);
break;
case ('#'):
cur = ReadRouteLine(line);
break;
case ('-'):
Log.Debug(nameof(PASReader), "Skipped day code line (Useless)");
ReadDayCodeLine(line);
break;
case ('>'):
if (cur == null)
{
Log.Error(nameof(PASReader), $"Floating stop at line: {curLine} (Ignored)");
}
else if (cur.Stops.Count > 0)
{
Log.Error(nameof(PASReader), $"Second start stop at line: {curLine} (Ignored)");
}
else
{
cur.Stops.Add(ReadStopStartLine(line));
}
break;
case ('.'):
if (cur == null)
{
Log.Error(nameof(PASReader), $"Floating stop at line: {curLine} (Ignored)");
}
else if (cur.Stops.Count < 1)
{
Log.Error(nameof(PASReader), $"Intermediate stop with no start at line: {curLine} (Ignored)");
}
else
{
cur.Stops.Add(ReadStopLine(line));
}
break;
case ('+'):
if (cur == null)
{
Log.Error(nameof(PASReader), $"Floating big stop at line: {curLine} (Ignored)");
}
else if (cur.Stops.Count < 1)
{
Log.Error(nameof(PASReader), $"Big stop with no start at line: {curLine} (Ignored)");
}
else
{
cur.Stops.Add(ReadBigStopLine(line));
}
break;
case ('<'):
if (cur == null)
{
Log.Error(nameof(PASReader), $"Floating stop at line: {curLine} (Ignored)");
}
else if (cur.Stops.Count < 1)
{
Log.Error(nameof(PASReader), $"End stop with no start at line: {curLine} (Ignored)");
}
else
{
cur.Stops.Add(ReadStopEndLine(line));
}
result.Add(cur);
cur = null;
break;
default:
Log.Warning(nameof(PASReader), $"Unknown line type at line: {curLine}");
break;
}
}
catch (Exception e)
{
LoggedException.Raise(nameof(PASReader), $"An unhandled excpetion was raised at line: {curLine}", e);
}
}
Log.Info(nameof(CSVReader), $"File contains {result.Count} readable entries");
}
}
catch (Exception e)
{
Log.Fatal(nameof(CSVReader), new FileLoadException($"An unhandled exception was raised during the processing of file: '{Path.GetFullPath(fileName)}'", e));
}
Log.Verbose(nameof(CSVReader), $"Finished parsing file: '{Path.GetFileName(fileName)}'");
return(result);
}
private void CheckDisposed()
{
LoggedException.RaiseIf(Disposed, nameof(ArrayEnumerator), "Cannot excecute method!", new ObjectDisposedException("ArrayEnumerator"));
}
private static void CheckNullLine(string line, string type)
{
LoggedException.RaiseIf(string.IsNullOrEmpty(line), nameof(PASReader), $"Unable to read {type} line", new NullReferenceException());
}