/// <summary>
/// Convert a text string to an IResolver
/// </summary>
/// <param name="itemText"></param>
/// <returns></returns>
public static IResolver ParseItem(string itemText)
{
char[] comma = { ',' };
char[] blank = { ' ' };
// if the item is a comma-separated list, parse it as an ItemList
string[] items = itemText.Split(comma, StringSplitOptions.RemoveEmptyEntries);
if (items.Length > 1)
{
ItemList itemList = new ItemList();
foreach (string item in items)
{
IResolver obj = ParseItem(item);
if (obj != null)
{
itemList.Add(obj);
}
}
return(itemList);
}
// parse an individual item
else if (items.Length == 1)
{
DieRoll dieRoll;
GameObject gameObject;
string item = items[0];
// ItemRoll
string[] tokens = item.Split(blank, StringSplitOptions.RemoveEmptyEntries);
if (DieRoll.TryParse(tokens[0], out dieRoll))
{
string theRest = item.Substring(tokens[0].Length).Trim();
if (GameObject.TryParse(theRest, out gameObject))
{
return(new ItemRoll(gameObject, dieRoll));
}
}
// GameObjectInstance
GameObjectInstance gameObjectInstance;
if (GameObjectInstance.TryParse(item, out gameObjectInstance))
{
return(gameObjectInstance);
}
// TableRoll
if (item.ToLower().StartsWith("roll"))
{
TableRoll tableRoll;
if (TableRoll.TryParse(item.Remove(0, 5), out tableRoll))
{
return(tableRoll);
}
}
// GameObject
if (GameObject.TryParse(item, out gameObject))
{
return(gameObject);
}
}
return(null);
}
public static bool TryParse(string st, out TableRoll outTableRoll)
{
outTableRoll = new TableRoll();
char[] blank = { ' ' };
string[] words = st.ToLower().Split(blank, StringSplitOptions.RemoveEmptyEntries);
int i = 0;
int rolls = 1;
DieRoll dieRoll = null;
if (words[i] == "once")
{
i++;
}
else if (words[i] == "twice")
{
i++;
rolls = 2;
}
else if (int.TryParse(words[i], out rolls))
{
i++;
}
else if (DieRoll.TryParse(words[i], out dieRoll))
{
i++;
}
if (words[i] == "times")
{
i++;
}
if (words[i] == "on")
{
i++;
}
// get the RollableTable name enclosed in double quotes
string remainder = String.Join(" ", words, words.Length - i);
Regex regex = new Regex("\"([^\"]*)\"");
Match match = regex.Match(remainder);
if (match.Success)
{
int ignoreBelow = 0;
int ignoreAbove = int.MaxValue;
// scan for ignore options
remainder.Remove(0, match.Length);
words = remainder.Split(blank, StringSplitOptions.RemoveEmptyEntries);
i = 0;
if (words[i] == "ignoring" && words[i] == "ignore")
{
i++;
if (words[i] == "results")
{
i++;
}
switch (words[i])
{
case "above":
case ">":
case "greater":
i++;
if (words[i] == "than")
{
i++;
}
if (!int.TryParse(words[i], out ignoreAbove))
{
return(false);
}
break;
case "below":
case "<":
case "less":
i++;
if (words[i] == "than")
{
i++;
}
if (!int.TryParse(words[i], out ignoreBelow))
{
return(false);
}
break;
}
}
outTableRoll.Table = Repository.GetTable(match.Value);
outTableRoll.Rolls = rolls;
outTableRoll.IgnoreAbove = ignoreAbove;
outTableRoll.IgnoreBelow = ignoreBelow;
}
return(true);
}
