/// <summary>
/// Transfers an option from one
/// </summary>
/// <param name="optionName"></param>
/// <param name="from"></param>
/// <returns></returns>
public Argument TakeOption(string optionName, ArgumentCollection from)
{
if (from.Contains(optionName))
{
this[optionName] = from[optionName].Clone();
return(this[optionName]);
}
return(null);
}
public ArgumentCollection Parse(string[] rawArgs)
{
ArgumentCollection options = AllOptions.CreateDefault();
List <string> restList = options.UnnamedArguments.ToList();
for (int i = 0; i < rawArgs.Length; i++)
{
string arg = rawArgs[i];
optionFindResult optResult = findOption(arg, options);
Argument opt = optResult.FoundOption;
if (opt == null)
{
if (optResult.IsUnknown == false)
{
restList.Add(arg);
}
else
{
options.UnknownsOptions.Add(arg);
}
continue;
}
if (opt.NeedsArgument)
{
if (optResult.InlineArg != null)
{
opt.Values.Add(optResult.InlineArg);
}
else if (i + 1 < rawArgs.Length)
{
opt.Values.Add(rawArgs[++i]);
}
else
{
options.MissingArguments.Add(opt);
continue;
}
}
else
{
if (optResult.InlineArg != null)
{
// Add the value of the inline arg, even if NeedsArgument was not specified
opt.Values.Add(optResult.InlineArg);
}
}
options.Add(opt);
}
options.UnnamedArguments = restList.ToArray();
return(options);
}
optionFindResult findOption(string st, ArgumentCollection options)
{
optionFindResult opt = new optionFindResult {
IsUnknown = false
};
int len = 0;
if (st.StartsWith("--"))
{
len = 2;
}
else if (st.StartsWith("-")) // Removed check for starting with '\'. It breaks installing a pacakge from network drive because it starts with \\.
{
len = 1;
}
if (len == 0)
{
return(opt);
}
st = st.Substring(len);
var idx = st.IndexOf('=');
if (idx > 0)
{
opt.InlineArg = st.Substring(idx + 1);
st = st.Substring(0, idx);
}
opt.FoundOption = options
.Where(o => o.Value.CompareTo(st))
.FirstOrDefault().Value;
if (opt.FoundOption == null)
{
opt.FoundOption = AllOptions
.Where(o => o.Value.CompareTo(st))
.FirstOrDefault().Value;
}
if (opt.FoundOption == null)
{
opt.IsUnknown = true;
}
else
{
opt.FoundOption = opt.FoundOption.Clone();
}
return(opt);
}
public ArgumentCollection CreateDefault()
{
ArgumentCollection opt = new ArgumentCollection {
UnnamedArguments = UnnamedArguments
};
foreach (var key in Keys)
{
if (this[key].Value != null)
{
opt[key] = this[key];
}
}
return(opt);
}
