private static void FileMode(string filename)
{
string line, result;
using (var inputFile = new StreamReader(filename))
using (var outputFile = new StreamWriter(filename + ".out"))
{
Console.WriteLine("Processing file...");
while ((line = inputFile.ReadLine()) != null)
{
if (string.IsNullOrEmpty(line) || string.IsNullOrWhiteSpace(line))
{
// forgive them their sins...
continue;
}
EquationTrasformer equationTrasformer = new EquationTrasformer();
result = equationTrasformer.Transform(line);
outputFile.WriteLine(result);
}
Console.WriteLine("File processing finished");
}
}
private static void UserInputMode()
{
Console.Clear();
Console.CancelKeyPress += new ConsoleCancelEventHandler(CancelHandler);
Console.Title = "Transform equation To canonical form";
Console.ForegroundColor = MessagesColor;
Console.WriteLine("***** Enter a double numbers with dots (\"4.5\", not \"4,5\") *****");
Console.WriteLine("***** Divide operation (\"/\") not supported, as well as any math functions, bit-wise operations etc...*****");
Console.WriteLine("***** Press CTRL+C to exit the program *****");
Console.ForegroundColor = NormalColor;
while (true)
{
Console.WriteLine();
Console.ForegroundColor = MessagesColor;
Console.Write("Enter the equation: ");
Console.ForegroundColor = NormalColor;
string equation = Console.ReadLine();
if (string.IsNullOrEmpty(equation))
{
continue;
}
EquationTrasformer equationTrasformer = new EquationTrasformer();
try
{
string result = equationTrasformer.Transform(equation);
Console.ForegroundColor = ResultColor;
Console.Write("Equation canonical form: ");
Console.Write(result);
Console.WriteLine();
Console.ForegroundColor = NormalColor;
}
catch (Exception)
{
Console.ForegroundColor = ErrorColor;
Console.WriteLine("Enter a valid equation!");
Console.ForegroundColor = NormalColor;
}
}
}