private IParser <char, XObject> Content(
Func <IParser <char, XText>, IParser <char, XText> > textSelector,
bool includeComments = true)
{
Contract.Requires(textSelector != null);
Contract.Ensures(Contract.Result <IParser <char, XObject> >() != null);
return(Parser.Defer(() =>
{
#if !SILVERLIGHT || WINDOWS_PHONE
var content = new List <IParser <char, XObject> >(4)
{
element(_ => true, AnyAttribute.NoneOrMore(), Content(textSelector, includeComments).NoneOrMore()),
textSelector(text),
cData
};
if (includeComments)
{
content.Add(comment);
}
#else
var content = new List <IParser <char, XObject> >(4)
{
element(_ => true, AnyAttribute.NoneOrMore(), Content(textSelector, includeComments).NoneOrMore()).Cast <char, XElement, XObject>(),
textSelector(text).Cast <char, XText, XObject>(),
cData.Cast <char, XCData, XObject>()
};
if (includeComments)
{
content.Add(comment.Cast <char, XComment, XObject>());
}
#endif
return content.Any();
}));
}
public static IParser <T?> Nullable <T>(this IParser <T> parser) where T : struct => parser.Cast <T?>();