private static bool CheckArgumentValidity(Dictionary <string, string> parsedArgs)
{
// check the argument availability
if (!parsedArgs.ContainsKey(Constants.RegexKeyword) && !parsedArgs.ContainsKey(Constants.WildcardKeyword))
{
ExitCode = Constants.ExitCode.RegexKeywordNotFound;
}
else if (!parsedArgs.ContainsKey(Constants.PatternKeyword))
{
ExitCode = Constants.ExitCode.PatternKeywordNotFound;
}
else if ((parsedArgs.ContainsKey(Constants.RegexKeyword) && String.IsNullOrEmpty(parsedArgs[Constants.RegexKeyword])) &&
(parsedArgs.ContainsKey(Constants.WildcardKeyword) && String.IsNullOrEmpty(parsedArgs[Constants.WildcardKeyword])))
{
ExitCode = Constants.ExitCode.RegexValueEmpty;
}
else if (String.IsNullOrEmpty(parsedArgs[Constants.PatternKeyword]))
{
ExitCode = Constants.ExitCode.PatternValueEmpty;
}
if (ExitCode == Constants.ExitCode.RegexKeywordNotFound ||
ExitCode == Constants.ExitCode.PatternKeywordNotFound ||
ExitCode == Constants.ExitCode.RegexValueEmpty ||
ExitCode == Constants.ExitCode.PatternValueEmpty)
{
return(false);
}
else
{
return(true);
}
}
public static int Main(string[] args)
{
ExitCode = Constants.ExitCode.Match;
try
{
// Parse the arguments
var parsedArgs = ParseArguments(args);
// Check the argument validity
if (CheckArgumentValidity(parsedArgs))
{
CheckPatternMatching(parsedArgs);
}
// Display the message into console
Console.WriteLine("Result: " + Constants.InfoMessage[ExitCode]);
}
catch (Exception ex)
{
Console.WriteLine("Exception: " + ex.Message);
ExitCode = Constants.ExitCode.GeneralException;
}
//Environment.Exit((int)ExitCode); // comment this because unit test cannot get exit code
return((int)ExitCode);
}
private static void CheckPatternMatching(Dictionary <string, string> parsedArgs)
{
var regex = parsedArgs.ContainsKey(Constants.RegexKeyword) ? parsedArgs[Constants.RegexKeyword] : String.Empty;
var wildcard = parsedArgs.ContainsKey(Constants.WildcardKeyword) ? parsedArgs[Constants.WildcardKeyword] : String.Empty;
var pattern = parsedArgs[Constants.PatternKeyword];
var ignoreCase = parsedArgs.ContainsKey(Constants.IgnoreCaseKeyword) ?
(parsedArgs[Constants.IgnoreCaseKeyword].Equals("yes") ? true : false)
: false;
// Check if the tester mode is for REGEX or WILDCARD
if (!String.IsNullOrEmpty(regex))
{
// check if regex is valid or not
if (!IsValidRegex(regex))
{
ExitCode = Constants.ExitCode.InvalidRegex;
}
else
{
// check if the pattern match with regex
if (IsRegexMatch(regex, pattern, ignoreCase))
{
ExitCode = Constants.ExitCode.Match;
}
else
{
ExitCode = Constants.ExitCode.NotMatch;
}
}
}
else // Wildcard
{
if (IsWildcardMatch(wildcard, pattern, !ignoreCase))
{
ExitCode = Constants.ExitCode.Match;
}
else
{
ExitCode = Constants.ExitCode.NotMatch;
}
}
}
