/// <summary>
/// Starts file search (main functionality).
/// </summary>
/// <param name="directoryPath">Path to directory.</param>
/// <param name="fileNamePattern">Valid file name pattern.</param>
/// <param name="allowedCharacters">Allowed characters in file.</param>
private async void StartSearch(string directoryPath, string fileNamePattern, string allowedCharacters)
{
//Initial setup.
searchOperationRunning = true;
counter = 0;
view.SearchResultsTreeView.Nodes.Clear();
view.FilesProccessed = counter.ToString();
configurationSaver.Save(new ConfigurationModel(directoryPath, fileNamePattern, allowedCharacters));
fileSearcher.AllowedCharacters = new HashSet <char>(allowedCharacters.ToCharArray());
fileSearcher.NamePattern = fileNamePattern;
//Main operation
Progress <FileSearchProgressModel> searchProgress = new Progress <FileSearchProgressModel>();
searchProgress.ProgressChanged += ReportSearchProgress;
try
{
searchOperationToken = new PauseOrCancelTokenSource();
await Task.Run(() => fileSearcher.Search(directoryPath, searchProgress, searchOperationToken.Token));
view.CurrentFile = "None";
}
catch (OperationCanceledException)
{
}
catch (ArgumentException)
{
view.CurrentFile = "Directory not found.";
}
//Cleanup
view.StartButtonText = "Start";
searchOperationRunning = false;
timer.Stop();
}
/// <summary>
/// Calculates gcd of two number and time of execution of calculations.
/// </summary>
/// <param name="first">First number.</param>
/// <param name="second">Second number.</param>
/// <returns>Calculated gcd.</returns>
public int Calculate(int first, int second)
{
timeCalculator.Start();
int gcd = this.algorithm.Calculate(first, second);
timeCalculator.Stop();
this.Milliseconds = this.timeCalculator.TimeInMilliseconds;
return(gcd);
}
/// <summary>
/// Calculates gcd and time of algorithm's execution.
/// </summary>
/// <param name="gcdAlgorithm">Gcd algorithm.</param>
/// <param name="first">First number.</param>
/// <param name="second">Second number.</param>
/// <param name="timeCalculator">Util for time calculation.</param>
/// <param name="timeForCalculations">Result time of algorithm's execution.</param>
/// <returns></returns>
public static int CalculateGcdWithTime(this IGcdAlgorithm gcdAlgorithm, int first, int second,
ITimeCalculator timeCalculator, out long timeForCalculations)
{
gcdAlgorithm.CheckOnNull();
timeCalculator.CheckOnNull();
timeCalculator.Start();
int gcd = gcdAlgorithm.Calculate(first, second);
timeCalculator.Stop();
timeForCalculations = timeCalculator.TimeInMilliseconds;
return(gcd);
}