/// <summary>
/// Creates a new instance of DieRoll from its string representation.
/// </summary>
/// <param name="text">A string containing the representation for the roll.</param>
/// <param name="start">The starting position inside text to match the string representation for the roll.</param>
/// <returns>A new instance of DieRoll matching the string representation.</returns>
public static DieRoll FromString(string text, int start)
{
DieRoll roll = null;
if (text != null)
{
try
{
Regex regRoll = new Regex(SingleDieRollRegexString + ExtraDieRollRegexString + ModDieRollRegexString);
Match match = regRoll.Match(text, start);
if (match.Success)
{
roll = new DieRoll();
roll.Count = int.Parse(match.Groups["count"].Value);
roll.Die = int.Parse(match.Groups["die"].Value);
if (roll.Die == 0)
{
throw new FormatException("Invalid Die Roll");
}
if (match.Groups["extra"].Success)
{
roll.ExtraRolls = new List <DieRollElement>();
Regex regExtra = new Regex(SingleDieRollRegexString);
foreach (Match m in regExtra.Matches(match.Groups["extra"].Value))
{
DieRollElement element = new DieRollElement(int.Parse(m.Groups["extraCount"].Value), int.Parse(m.Groups["extraDie"].Value));
if (element.Die == 0)
{
throw new FormatException("Invalid Die Roll");
}
roll.ExtraRolls.Add(element);
}
}
if (match.Groups["mod"].Success)
{
roll.Mod = int.Parse(match.Groups["mod"].Value);
}
}
}
catch (FormatException)
{
roll = null;
}
catch (OverflowException)
{
roll = null;
}
}
return(roll);
}
/// <summary>
/// Compares one object with the DieRollElement.
/// </summary>
/// <param name="obj">The object to be compared.</param>
/// <returns>The object is the same that the DieRollElement.</returns>
public override bool Equals(object obj)
{
if (obj.GetType() != typeof(DieRollElement))
{
return(false);
}
DieRollElement element = (DieRollElement)obj;
return(this.Count == element.Count && this.Die == element.Die);
}
/// <summary>
/// Creates a new instance of DieRoll from its string representation.
/// </summary>
/// <param name="text">A string containing the representation for the roll.</param>
/// <param name="start">The starting position inside text to match the string representation for the roll.</param>
/// <returns>A new instance of DieRoll matching the string representation.</returns>
public static DieRoll FromString(string text, int start)
{
DieRoll roll = null;
if (text != null)
{
try
{
Regex regRoll = new Regex(SingleDieRollRegexString + ExtraDieRollRegexString + ModDieRollRegexString);
Match match = regRoll.Match(text, start);
if (match.Success)
{
roll = new DieRoll();
roll.Count = int.Parse(match.Groups["count"].Value);
roll.Die = int.Parse(match.Groups["die"].Value);
if (roll.Die == 0)
{
throw new FormatException("Invalid Die Roll");
}
if (match.Groups["extra"].Success)
{
roll.ExtraRolls = new List<DieRollElement>();
Regex regExtra = new Regex(SingleDieRollRegexString);
foreach (Match m in regExtra.Matches(match.Groups["extra"].Value))
{
DieRollElement element = new DieRollElement(int.Parse(m.Groups["extraCount"].Value), int.Parse(m.Groups["extraDie"].Value));
if (element.Die == 0)
{
throw new FormatException("Invalid Die Roll");
}
roll.ExtraRolls.Add(element);
}
}
if (match.Groups["mod"].Success)
{
roll.Mod = int.Parse(match.Groups["mod"].Value);
}
}
}
catch (FormatException)
{
roll = null;
}
catch (OverflowException)
{
roll = null;
}
}
return roll;
}
