internal static bool IsValidValue(Type type, string value)
{
if (type == typeof(string))
{
if (value.StartsWith("--")) // can't be long option
{
return(false);
}
if (value.StartsWith("-")) // can't be short option
{
return(CStringUtils.IsNumeric(value)); // but can be a negative number
}
if (value.Equals("&&") || value.Equals("||"))
{
return(false);
}
return(value.Length > 0); // can't be empty
}
if (type == typeof(int))
{
return(CStringUtils.IsInteger(value));
}
if (type == typeof(float))
{
return(CStringUtils.IsNumeric(value));
}
return(false);
}
private static string[] getSuggestions(string commandLine, IList <string> tokens)
{
CIterator <string> iter = new CIterator <string>(tokens);
CCommand cmd = CRegistery.FindCommand(iter.Next());
if (cmd == null)
{
return(EMPTY_SUGGESTIONS); // no command found
}
while (iter.HasNext())
{
string token = iter.Next();
int iterPos = iter.Position; // store position to revert for the case if option skip fails
// first try to parse options
if (token.StartsWith("--")) // long option
{
string optionName = token.Substring(2);
if (SkipOption(iter, cmd, optionName))
{
continue;
}
iter.Position = iterPos;
return(getSuggestedOptions(iter, cmd, optionName, "--"));
}
else if (token.StartsWith("-") && !CStringUtils.IsNumeric(token)) // short option
{
string optionName = token.Substring(1);
if (SkipOption(iter, cmd, optionName))
{
continue;
}
iter.Position = iterPos;
return(getSuggestedOptions(iter, cmd, optionName, "-"));
}
if (iter.HasNext())
{
return(EMPTY_SUGGESTIONS); // TODO: add multiple args suggestion support
}
return(getSuggestedArgs(commandLine, cmd, token));
}
return(getSuggestedArgs(commandLine, cmd, ""));
}
private bool TryParseOption(CIterator <string> iter, string token)
{
if (this.IsIgnoreOptions)
{
return(false);
}
// first, try to parse options
if (token.StartsWith("--"))
{
string optionName = token.Substring(2);
ParseOption(iter, optionName);
return(true);
}
if (token.StartsWith("-") && !CStringUtils.IsNumeric(token))
{
string optionName = token.Substring(1);
ParseOption(iter, optionName);
return(true);
}
return(false);
}