static private bool GetParameters(string[] args)
{
Parameters = new StructParameters();
if (args.Length == 0)
{
Usage();
return(false);
}
Parameters.FixEndOfLine = false;
Parameters.FixTab = false;
Parameters.OverWrite = false;
Parameters.InPlace = false;
foreach (var a in args)
{
string arg = a.Trim();
if (arg == "" || arg == "?" || arg == "-?" || arg == "/?" || arg.Equals("--help", StringComparison.InvariantCultureIgnoreCase))
{
Usage();
return(false);
}
if (arg.Length == 2 && (arg.Substring(0, 1) == "/" || arg.Substring(0, 1) == "-"))
{
switch (arg.Substring(1, 1).ToUpper())
{
case "F":
Parameters.OverWrite = true;
break;
case "I":
Parameters.InPlace = true;
break;
case "E":
Parameters.FixEndOfLine = true;
break;
case "T":
Parameters.FixTab = true;
break;
default:
Console.WriteLine($"Unknown switch: {a}\r\n");
return(false);
}
continue;
}
if (Parameters.FileSource != null && Parameters.FileDestination != null)
{
Console.WriteLine("To many files listed\r\n");
return(false);
}
if (Parameters.FileSource != null && Parameters.FileDestination == null)
{
Parameters.FileDestination = arg;
}
if (Parameters.FileSource == null)
{
Parameters.FileSource = arg;
}
}
if (string.IsNullOrEmpty(Parameters.FileSource))
{
Console.WriteLine("Source file not specified\r\n");
return(false);
}
if (!string.IsNullOrEmpty(Parameters.FileDestination) && Parameters.InPlace)
{
Console.WriteLine("When -i is used, do not specify a destination file\r\n");
return(false);
}
if (string.IsNullOrEmpty(Parameters.FileDestination) && !Parameters.InPlace)
{
Console.WriteLine("Destination file was not specified");
return(false);
}
if (!File.Exists(Parameters.FileSource))
{
Console.WriteLine($"The source file {Parameters.FileSource} does not exist.");
return(false);
}
if (Parameters.InPlace)
{
return(true);
}
if (File.Exists(Parameters.FileDestination) && !Parameters.OverWrite)
{
Console.WriteLine("The destination file {Parameters.FileDestination} exists and -f is not specified.");
return(false);
}
return(true);
}
static private bool GetParameters(string[] args)
{
Parameters = new StructParameters();
if (args.Length == 0)
{
Usage();
return(false);
}
Parameters.FixEndOfLine = false;
Parameters.FixTab = false;
Parameters.OverWrite = false;
Parameters.InPlace = false;
Parameters.Verbose = false;
// Walk through each argument, assigning the values to the Parameters Structure
// If the files is a switch, assign, then continue.
// Otherwise the args are in order. First is source, second (if any) is destination.
foreach (var a in args)
{
string arg = a.Trim();
if (arg == "" || arg == "?" || arg == "-?" || arg == "/?" || arg.Equals("--help", StringComparison.InvariantCultureIgnoreCase))
{
Usage();
return(false);
}
if (arg.Length == 2 && (arg.Substring(0, 1) == "/" || arg.Substring(0, 1) == "-"))
{
switch (arg.Substring(1, 1).ToUpper())
{
case "F":
Parameters.OverWrite = true;
break;
case "I":
Parameters.InPlace = true;
break;
case "E":
Parameters.FixEndOfLine = true;
break;
case "T":
Parameters.FixTab = true;
break;
case "V":
Parameters.Verbose = true;
break;
default:
Console.WriteLine($"Unknown switch: {a}\r\n");
return(false);
}
continue;
}
if (Parameters.FileSource != null && Parameters.FileDestination != null)
{
Console.WriteLine("To many files listed\r\n");
return(false);
}
if (Parameters.FileSource != null && Parameters.FileDestination == null)
{
Parameters.FileDestination = arg;
}
if (Parameters.FileSource == null)
{
Parameters.FileSource = arg;
}
}
if (string.IsNullOrEmpty(Parameters.FileSource))
{
Console.WriteLine("Source file not specified\r\n");
return(false);
}
if (!string.IsNullOrEmpty(Parameters.FileDestination) && Parameters.InPlace)
{
Console.WriteLine("When -I is used, do not specify a destination file\r\n");
return(false);
}
if (string.IsNullOrEmpty(Parameters.FileDestination) && !Parameters.InPlace)
{
Console.WriteLine("Destination file was not specified");
return(false);
}
if (!File.Exists(Parameters.FileSource))
{
Console.WriteLine($"The source file {Parameters.FileSource} does not exist.");
return(false);
}
if (Parameters.InPlace)
{
Parameters.FileDestination = Path.GetTempFileName();
return(true);
}
if (File.Exists(Parameters.FileDestination) && !Parameters.OverWrite)
{
Console.WriteLine("The destination file {Parameters.FileDestination} exists and -F is not specified.");
return(false);
}
return(true);
}