public static RuntimeParameters ParseRuntimeParameters(string command, string input, string output)
{
RuntimeParameters pr = new RuntimeParameters();
if (command.Equals("Compress", StringComparison.InvariantCultureIgnoreCase))
{
pr.Command = RunCommand.Compress;
pr.input = input.TrimStart('\\');
pr.output = output.TrimStart('\\');
// check if input exist
var inputFullPath = !Utils.IsFullPath(pr.input) ? Path.Combine(AppDomain.CurrentDomain.BaseDirectory, pr.input) : pr.input;
if (!File.Exists(inputFullPath))
{
throw new Exception($"File {inputFullPath} not found");
}
}
else if (command.Equals("Decompress", StringComparison.InvariantCultureIgnoreCase))
{
pr.Command = RunCommand.Decompress;
pr.input = input.TrimStart('\\');
pr.output = output.TrimStart('\\');
var outputFullPath = !Utils.IsFullPath(pr.output) ? Path.Combine(AppDomain.CurrentDomain.BaseDirectory, pr.output) : pr.output;
if (File.Exists(outputFullPath))
{
throw new Exception($"File {outputFullPath} already exist");
}
}
else
{
throw new Exception($"Command {command} not recognized");
}
return(pr);
}
// tests
// compress C:\Users\irina\Desktop\CompressionApp\CompressionApp\data\Data.csv data
// decompress C:\Users\irina\Desktop\CompressionApp\CompressionApp\data\data_1.zip data.csv.txt
static void Main(string[] args)
{
RuntimeParameters parameters = null;
int result = 0;
try
{
if (args.Length < 3)
{
throw new Exception("Not enough parameters");
}
parameters = RuntimeParameters.ParseRuntimeParameters(args[0], args[1], args[2]);
}
catch (Exception ex)
{
Console.WriteLine("Error occurred:" + ex.Message);
Console.WriteLine($"Result:{result}");
PrintProgramUsage();
PreventFromClosing();
return;
}
try
{
Compressor compressor = new Compressor(parameters.input, parameters.output);
if (parameters.Command == RunCommand.Compress)
{
result = compressor.Compress();
}
else
{
result = compressor.Decompress();
}
}
catch (Exception ex)
{
Console.WriteLine("Error occurred:" + ex.Message);
Console.WriteLine($"Result:{result}");
PrintProgramUsage();
PreventFromClosing();
return;
}
Console.WriteLine($"Result:{result}");
PreventFromClosing();
}