// Parse arguments -- the main show
public ParseArgumentsResult ParseArguments(string[] args)
{
// keep track of results
ParseArgumentsResult results = new ParseArgumentsResult();
results.Options = this;
// parse arguments
ParseArguments(args, results);
return(results);
}
private void ParseArguments(string[] args, ParseArgumentsResult results)
{
foreach (string arg in args)
{
if (arg.Length == 0)
{
continue;
}
if (arg[0] == '/')
{
// option processing
// find the named option
int index = 1;
while (index < arg.Length)
{
if ((!Char.IsLetter(arg, index)) && (arg[index] != '?'))
{
break;
}
index++;
}
string key = arg.Substring(1, index - 1);
string value = arg.Substring(index);
// invoke the appropriate logic
if (map.ContainsKey(key))
{
Option option = (Option)map[key];
ParseResult result = option.ParseArgument(value);
if (result != ParseResult.Success)
{
results.Errors.Add(arg, result);
}
}
else
{
results.Errors.Add(arg, ParseResult.UnrecognizedOption);
}
}
else if (arg[0] == '@')
{
string responseFile = arg.Substring(1);
List <string> responses = new List <string>();
using (TextReader reader = File.OpenText(responseFile))
{
while (true)
{
string response = reader.ReadLine();
if (response == null)
{
break;
}
responses.Add(response);
}
}
ParseArguments(responses.ToArray(), results);
}
else
{
// non-option processing
results.UnusedArguments.Add(arg);
}
}
// make sure the required arguments were present
foreach (Option option in map.Values)
{
option.processed = true;
if ((option.IsRequired) && (!option.IsPresent))
{
results.Errors.Add(option.Name, ParseResult.MissingOption);
}
}
}