public static TGroup ContinueWithOptionalGroup <TGroup, T>(this ITokenMatcherItemGroup <TGroup> group, string captureName, Action <TokenMatcherGroup> configuration, Func <TokenMatcherState, T> captureConversion)
{
var g = new TokenMatcherGroup(captureName, captureConversion);
configuration(g);
return(group.AddItem(new TokenMatcherOptional(g)));
}
public static TGroup ContinueWithMany <TGroup, T>(this ITokenMatcherItemGroup <TGroup> group, string captureName, Action <TokenMatcherGroup> configuration, Func <TokenMatcherState, T> captureConversion, int minimum = 1, int maximum = int.MaxValue)
{
var g = new TokenMatcherGroup(captureName, captureConversion);
configuration(g);
return(group.AddItem(new TokenMatcherQuantitizer(g, minimum, maximum)));
}
public static TGroup ContinueWithGroup <TGroup>(this ITokenMatcherItemGroup <TGroup> group, string captureName, Action <TokenMatcherGroup> configuration)
{
var g = new TokenMatcherGroup(captureName, null);
configuration(g);
return(group.AddItem(g));
}
public static TGroup ContinueWithMany <TGroup, T>(
this ITokenMatcherItemGroup <TGroup> group,
string captureName,
Action <TokenMatcherGroup> configuration,
TokenMatcherItemBase separator,
Func <TokenMatcherState, T> captureConversion,
int minimum = 1,
int maximum = int.MaxValue)
where T : class
{
var firstKey = captureName + "." + nameof(TokenMatcherHelper) + "." + nameof(ContinueWithMany) + ".firstCapture";
var fg = new TokenMatcherGroup(firstKey, captureConversion);
configuration(fg);
var ig = new TokenMatcherGroup(captureName, captureConversion);
ig.AddItem(separator);
configuration(ig);
var igq = new TokenMatcherQuantitizer(ig, Math.Max(0, minimum - 1), maximum < int.MaxValue ? maximum - 1 : int.MaxValue);
var g = new TokenMatcherGroup(captureName, (Func <TokenMatcherState, List <T> >)(s =>
{
var f = s.Captures.TryGetValue(firstKey, out var fv) ? fv as T : null;
var l = s.Captures.TryGetValue(captureName, out var lv) ? lv as IEnumerable : null;
if (f == null)
{
return(l.Cast <T>().ToList());
}
if (l != null)
{
var nl = new List <T>()
{
f
};
nl.AddRange(l.Cast <T>());
return(nl);
}
else
{
return(new List <T>(1)
{
f
});
}
}));
g.AddItem(fg).AddItem(igq);
return(group.AddItem(g));
}