private static void EvaluateQuote(LineEvaluationModel model, char quote)
{
if (!quote.IsQuote())
{
throw new ArgumentException();
}
if (!model.Quotes.ContainsKey(quote))
{
if (!model.HasAnyUnmatchedBrackets())
{
model.HaltProcessing = true;
return;
}
model.Quotes.Add(quote, 1);
return;
}
if (!model.HasAnyUnmatchedBrackets())
{
model.HaltProcessing = true;
return;
}
model.Quotes[quote]++;
}
private static void EvaluateBracket(LineEvaluationModel model, char character)
{
if (!character.IsBracket()) throw new ArgumentException();
var bracketInfo = character.GetBracketInfo();
var isFirstInstance = model.AddBracketIfIsFirstInstance(bracketInfo);
if (!isFirstInstance)
{
model.Brackets[bracketInfo.Type].AmountOpen += bracketInfo.IsOpener ? 1 : 0;
model.Brackets[bracketInfo.Type].AmountClosed += bracketInfo.IsOpener ? 0 : 1;
if (bracketInfo.IsCloser && !model.HasAnyUnmatchedBrackets() && !model.HasUnmatchedQuotes())
{
model.HaltProcessing = true;
}
}
}
public string Evaluate(string substring)
{
var model = new LineEvaluationModel
{
Quotes = new Dictionary <char, int>(),
Brackets = new Dictionary <BracketType, BracketTracker>(),
HaltProcessing = false
};
var sb = new StringBuilder();
foreach (var character in substring)
{
if (character.IsQuote())
{
EvaluateQuote(model, character);
if (model.HaltProcessing)
{
return(sb.ToString());
}
}
if (character.IsBracket())
{
EvaluateBracket(model, character);
if (model.HaltProcessing)
{
sb.Append(character);
return(sb.ToString());
}
}
if (character.IsPotentialTerminator() && !model.HasAnyUnmatchedBrackets())
{
return(sb.ToString());
}
sb.Append(character);
}
throw new UncaughtPatternException();
}
public string Evaluate(string substring)
{
var model = new LineEvaluationModel
{
Quotes = new Dictionary<char, int>(),
Brackets = new Dictionary<BracketType, BracketTracker>(),
HaltProcessing = false
};
var sb = new StringBuilder();
foreach (var character in substring)
{
if (character.IsQuote())
{
EvaluateQuote(model, character);
if (model.HaltProcessing)
{
return sb.ToString();
}
}
if (character.IsBracket())
{
EvaluateBracket(model, character);
if (model.HaltProcessing)
{
sb.Append(character);
return sb.ToString();
}
}
if (character.IsPotentialTerminator() && !model.HasAnyUnmatchedBrackets())
{
return sb.ToString();
}
sb.Append(character);
}
throw new UncaughtPatternException();
}
private static void EvaluateBracket(LineEvaluationModel model, char character)
{
if (!character.IsBracket())
{
throw new ArgumentException();
}
var bracketInfo = character.GetBracketInfo();
var isFirstInstance = model.AddBracketIfIsFirstInstance(bracketInfo);
if (!isFirstInstance)
{
model.Brackets[bracketInfo.Type].AmountOpen += bracketInfo.IsOpener ? 1 : 0;
model.Brackets[bracketInfo.Type].AmountClosed += bracketInfo.IsOpener ? 0 : 1;
if (bracketInfo.IsCloser && !model.HasAnyUnmatchedBrackets() && !model.HasUnmatchedQuotes())
{
model.HaltProcessing = true;
}
}
}
private static void EvaluateQuote(LineEvaluationModel model, char quote)
{
if (!quote.IsQuote()) throw new ArgumentException();
if (!model.Quotes.ContainsKey(quote))
{
if (!model.HasAnyUnmatchedBrackets())
{
model.HaltProcessing = true;
return;
}
model.Quotes.Add(quote, 1);
return;
}
if (!model.HasAnyUnmatchedBrackets())
{
model.HaltProcessing = true;
return;
}
model.Quotes[quote]++;
}