private void fileSelectButton_Click(object sender, EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog
{
InitialDirectory = Environment.CurrentDirectory,
Filter = "text documents (*.txt)|*.txt"
};
ofd.ShowDialog();
richTextBox1.Clear();
computePrimesButton.Enabled = false;
if (string.IsNullOrWhiteSpace(ofd.FileName) || Path.GetExtension(ofd.FileName) != ".txt") //only take in .txt files
{
MessageBox.Show("Select a valid .txt file");
label1.Text = "No File Selected";
return;
}
_filePath = ofd.FileName;
_numbersString = File.ReadLines(_filePath);
_numbersString = _numbersString.Where(entry => !string.IsNullOrWhiteSpace(entry)); //remove empty entries caused by empty lines
if (_numbersString.Any(entry => !FunctionRepository.CheckStringValue(entry)))
{
MessageBox.Show("All values in .txt file must be integers. Please reference your file for non-integer values");
return;
}
computePrimesButton.Enabled = true;
label1.Text = Path.GetFileName(_filePath);
}
private static void Main(string[] args)
{
IEnumerable <string> numbersString;
if (!args.Any()) //if you run the exe by clicking then you wont have an input
{
//args = new string[] {Environment.CurrentDirectory + "\\test1.txt"};
Console.WriteLine(
"Please drag txt file onto icon or use the command line to specify a target file to run program \nPress Enter To Continue");
Console.ReadLine();
return;
}
if (Path.GetExtension(args[0]) != ".txt") //only work with .txt files
{
Console.WriteLine("Please Select a File With the '.txt' Extension");
return;
}
try //try to read the sepecified file
{
numbersString = File.ReadLines(args[0]);
}
catch (FileNotFoundException)
{
Console.WriteLine("File Not Found. Please Enter a Valid File ");
//Inform the user their file was not found at the specified locaton
return;
}
numbersString = numbersString.Where(entry => !string.IsNullOrWhiteSpace(entry));
//remove empty entries caused by empty lines
if (numbersString.Any(entry => !FunctionRepository.CheckStringValue(entry)))
{
Console.WriteLine(
"All values in .txt file must be integers. Please reference your file for non-integer values \nPress Enter To Continue");
Console.ReadLine();
return;
}
List <int> numbers = numbersString.Select(int.Parse).ToList();
//create list of ints from list of strings from file
foreach (int number in numbers)
{
string productString;
Console.WriteLine(FunctionRepository.BuildOutputString(number, out productString));
}
Console.WriteLine("\nPress Enter To Continue");
Console.ReadLine();
}
public void CheckStringValueTestValidInt()
{
Assert.IsTrue(FunctionRepository.CheckStringValue("1"));
}
public void CheckStringValueTestNumberLargerThanInt32()
{
Assert.IsFalse(FunctionRepository.CheckStringValue("9000000000000000000000000"));
}
public void CheckStringValueTestNonNumericString()
{
Assert.IsFalse(FunctionRepository.CheckStringValue("meh"));
}
public void CheckStringValueTestWhiteSpace()
{
Assert.IsFalse(FunctionRepository.CheckStringValue(" "));
}
public void CheckStringValueTestInvalidInt()
{
Assert.IsFalse(FunctionRepository.CheckStringValue("1.3"));
}
public void CheckStringValueTestNegativeInt()
{
Assert.IsTrue(FunctionRepository.CheckStringValue("-1"));
}